Your favourite pizza place is offering a promotion on their medium and large pizzas. For one day only, you can buy a 3-topping large pizza, that has an approximate volume of 800 cm', for $14.99 or you can buy two 3-topping medium pizzas, that have an approximate volume of 575 cm', for $20.99. Calculate the unit price of each option per cm' and explain which is the better deal.

Answers

Answer 1

The unit price per cm³ for the two medium pizzas is $0.01825/cm³ while the unit price per cm³ for the large pizza is $0.01874/cm³. Even though the large pizza is cheaper, you get more volume for your money by purchasing two medium pizzas.

When it comes to deals, it's important to calculate the unit price to see which one offers a better value. In this case, we need to calculate the unit price of each option per cm³.The volume of the large pizza is approximately 800 cm³ and the price is $14.99. Therefore, the unit price per cm³ is:14.99 ÷ 800 = $0.01874/cm³.

The volume of two medium pizzas is approximately 2 x 575 cm³ = 1150 cm³ and the price is $20.99. Therefore, the unit price per cm³ is:20.99 ÷ 1150 = $0.01825/cm³So, the better deal is to buy two 3-topping medium pizzas for $20.99 because the unit price per cm³ is slightly lower compared to the 3-topping large pizza for $14.99.

The unit price per cm³ for the two medium pizzas is $0.01825/cm³ while the unit price per cm³ for the large pizza is $0.01874/cm³. Even though the large pizza is cheaper, you get more volume for your money by purchasing two medium pizzas.

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Related Questions

Which is the probability of landing on an odd number on spinner 1 AND an even number on spinner 2?



A. 1/6



B. 1/3

Answers

The probability of landing on an odd number on spinner 1 AND an even number on spinner 2 is 1/4, which is less than 1/3. Therefore, the correct option is A. 1/6. The probability of landing on an odd number on spinner 1 AND an even number on spinner 2 is 1/6.

The probability of landing on an odd number on spinner 1 AND an even number on spinner 2 is 1/6. A spinner is a disk or a wheel, which may rotate around a fixed axis and has the number or symbol on it. The spinner will land at a random number, and probability is used to find the likelihood of an event. Probability can be calculated using the formula: Probability = Number of ways of an event to happen / Total number of outcomes

Probability of landing on an odd number on spinner 1 is 1/2. It is because there are three odd numbers and three even numbers on the spinner. Therefore, the total outcomes are six. The probability of landing on an even number on spinner 2 is also 1/2. It is because there are three even numbers and three odd numbers on the spinner. Therefore, the total outcomes are six. Multiplying both the probabilities, the probability of landing on an odd number on spinner 1 AND an even number on spinner 2 = 1/2 x 1/2 = 1/4. Thus, the probability of landing on an odd number on spinner 1 AND an even number on spinner 2 is 1/4, which is less than 1/3. Therefore, the correct option is A. 1/6.

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let ~u and ~v be vectors in three dimensional space. if ~u ×~v = ~0, then ~u = ~0 or ~v = ~0. state if this is true or false. explain why.

Answers

The statement is true because if the cross product of two vectors ~u and ~v in three-dimensional space is equal to the zero vector ~0, then it implies that either ~u or ~v is equal to the zero vector ~0.

The cross product ~u × ~v produces a vector that is perpendicular (orthogonal) to both ~u and ~v. If the resulting cross product is the zero vector ~0, it means that ~u and ~v are either parallel or collinear.

If ~u and ~v are parallel or collinear, it implies that they are scalar multiples of each other. In this case, one of the vectors can be expressed as a scaled version of the other. Consequently, either ~u or ~v can be the zero vector ~0.

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Use Green's Theorem to calculate the work done by the force F on a particle that is moving counterclockwise around the closed path C.
F(x,y) = (e^x -3 y)i + (e^y + 6x)j
C: r = 2 cos theta
The answer is 9 pi. Could you explain why the answer is 9 pi?

Answers

Green's Theorem states that the line integral of a vector field F around a closed path C is equal to the double integral of the curl of F over the region enclosed by C. Mathematically, it can be expressed as:

∮_C F · dr = ∬_R curl(F) · dA

where F is a vector field, C is a closed path, R is the region enclosed by C, dr is a differential element of the path, and dA is a differential element of area.

To use Green's Theorem, we first need to calculate the curl of F:

curl(F) = (∂F_2/∂x - ∂F_1/∂y)k

where k is the unit vector in the z direction.

We have:

F(x,y) = (e^x -3 y)i + (e^y + 6x)j

So,

∂F_2/∂x = 6

∂F_1/∂y = -3

Therefore,

curl(F) = (6 - (-3))k = 9k

Next, we need to parameterize the path C. We are given that C is the circle of radius 2 centered at the origin, which can be parameterized as:

r(θ) = 2cosθ i + 2sinθ j

where θ goes from 0 to 2π.

Now, we can apply Green's Theorem:

∮_C F · dr = ∬_R curl(F) · dA

The left-hand side is the line integral of F around C. We have:

F · dr = F(r(θ)) · dr/dθ dθ

= (e^x -3 y)i + (e^y + 6x)j · (-2sinθ i + 2cosθ j) dθ

= -2(e^x - 3y)sinθ + 2(e^y + 6x)cosθ dθ

= -4sinθ cosθ(e^x - 3y) + 4cosθ sinθ(e^y + 6x) dθ

= 2(e^y + 6x) dθ

where we have used x = 2cosθ and y = 2sinθ.

The right-hand side is the double integral of the curl of F over the region enclosed by C. The region R is a circle of radius 2, so we can use polar coordinates:

∬_R curl(F) · dA = ∫_0^(2π) ∫_0^2 9 r dr dθ

= 9π

Therefore, we have:

∮_C F · dr = ∬_R curl(F) · dA = 9π

Thus, the work done by the force F on a particle that is moving counterclockwise around the closed path C is 9π.

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Not everyone pays the same price for


the same model of a car. The figure


illustrates a normal distribution for the


prices paid for a particular model of a


new car. The mean is $21,000 and the


standard deviation is $2000.


Use the 68-95-99. 7 Rule to find what


percentage of buyers paid between


$17,000 and $25,000.

Answers

About 95% of the buyers paid between $17,000 and $25,000 for the particular model of the car.Normal distribution graph for prices paid for a particular model of a new car with mean $21,000 and standard deviation $2000.

We need to find what percentage of buyers paid between $17,000 and $25,000 using the 68-95-99.7 rule.

So, the z-score for $17,000 is

[tex]z=\frac{x-\mu}{\sigma}[/tex]

=[tex]\frac{17,000-21,000}{2,000}[/tex]

=-2

The z-score for $25,000 is

[tex]z=\frac{x-\mu}{\sigma}[/tex]

=[tex]\frac{25,000-21,000}{2,000}[/tex]

=2

Therefore, using the 68-95-99.7 rule, the percentage of buyers paid between $17,000 and $25,000 is within 2 standard deviations of the mean, which is approximately 95% of the total buyers.

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An airplane flies horizontally from east to west at 290 mi/hr relative to the air. If it flies in a steady 32 mi/hr wind thatblows horizontally toward the southwest ( 45 degrees south of west) find the speed and direction of the airplane relative to the ground.
The speed of the airplane is approximately ? mi/hr
simplify answer
The direction is ?

Answers

The direction of the airplane relative to the ground is therefore:

θ ≈ arccos(0.994) ≈ 5.22° south of west.

We can use vector addition to solve the problem. Let's assume that the positive x-axis is eastward and the positive y-axis is northward. Then the velocity of the airplane relative to the air is:

v_airplane = 290i

where i is the unit vector in the x-direction. The velocity of the wind is:

v_wind = -32cos(45°)i - 32sin(45°)j

where j is the unit vector in the y-direction. The negative sign indicates that the wind blows toward the southwest. Now we can add the two velocities to get the velocity of the airplane relative to the ground:

v_ground = v_airplane + v_wind

v_ground = 290i - 32cos(45°)i - 32sin(45°)j

v_ground = (290 - 32cos(45°))i - 32sin(45°)j

v_ground = 245.4i - 22.6j

The speed of the airplane relative to the ground is the magnitude of v_ground:

|v_ground| = sqrt((245.4)^2 + (-22.6)^2) ≈ 246.6 mi/hr

The direction of the airplane relative to the ground is given by the angle between v_ground and the positive x-axis:

θ = arctan(-22.6/245.4) ≈ -5.22°

Note that the negative sign indicates that the direction is slightly south of west. Alternatively, we can use the direction cosine ratios to find the direction:

cos(θ) = v_ground_x/|v_ground| = 245.4/246.6 ≈ 0.994

sin(θ) = -v_ground_y/|v_ground| = -22.6/246.6 ≈ -0.091

The direction of the airplane relative to the ground is therefore:

θ ≈ arccos(0.994) ≈ 5.22° south of west.

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Construct phrase-structure grammars to generate each of these sets. a) {1ⁿ | n ≥ 0} b) {10ⁿ | n ≥ 0} c) {(11)ⁿ | n ≥ 0}

Answers

(a) This grammar starts with the start symbol S and generates a string of 1s by recursively applying the production rule S -> 1S. The production rule S -> ε is used to generate the empty string, which belongs to the language.

a) {1ⁿ | n ≥ 0}

The grammar to generate this set can be constructed as follows:

S -> 1S | ε

b) {10ⁿ | n ≥ 0}

The grammar to generate this set can be constructed as follows:

S -> 1A

A -> 0A | ε

This grammar starts with the start symbol S and generates a string of 1s followed by a string of 0s by applying the production rules S -> 1A and A -> 0A | ε. The production rule A -> ε is used to generate the empty string, which belongs to the language.

c) {(11)ⁿ | n ≥ 0}

The grammar to generate this set can be constructed as follows:

S -> 11S | ε

This grammar starts with the start symbol S and generates a string of 11s by recursively applying the production rule S -> 11S. The production rule S -> ε is used to generate the empty string, which belongs to the language.

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In Exercises 11 and 12, determine if b is a linear combination of a1, a2, and a3 11. a1 a2 12. a a2 a3

Answers

To determine if a vector b is a linear combination of given vectors a1, a2, and a3, set up the equation b = x * a1 + y * a2 + z * a3 (if a3 is given). Solve the system of equations for x, y, and z (if a3 is given). If there exist values for x, y (and z if a3 is given) that satisfy the equations, then b is a linear combination of a1, a2 (and a3 if given).

To determine if b is a linear combination of a1, a2, and a3 in Exercises 11 and 12, you will need to check if there exist scalars x, y, and z such that:
b = x * a1 + y * a2 + z * a3

For Exercise 11:
1. Write down the given vectors a1, a2, and b.
2. Set up the equation b = x * a1 + y * a2, as there is no a3 mentioned in this exercise.
3. Solve the system of equations for x and y.

For Exercise 12:
1. Write down the given vectors a1, a2, a3, and b.
2. Set up the equation b = x * a1 + y * a2 + z * a3.
3. Solve the system of equations for x, y, and z.

If you can find values for x, y (and z in Exercise 12) that satisfy the equations, then b is a linear combination of a1, a2 (and a3 in Exercise 12). Please provide the specific vectors for each exercise so I can assist you further in solving these problems.

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(07. 04 MC)


An observer (O) is located 660 feet from a tree (T). The observer


notices a hawk (H) flying at a 35° angle of elevation from his line of


sight. How high is the hawk flying over the tree? You must show all


work and calculations to receive full credit. (10 points)

Answers

Height of hawk eye at a distance of 660 feet from tree is 462.1 feet .

Given,

An observer (O) is located 660 feet from a tree (T). The observer

notices a hawk (H) flying at a 35° angle of elevation from his line of sight.

Here,

Let x be the height of the hawk.

The tangent ratio expresses the relationship between the sides of a right triangle depicted above as:

tanФ = opposite side/adjacent side

tan35° = x / 660

x = 660 (tan35° )

x = 462.1 feet .

Thus the height of hawk eye is 462.1 feet .

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based on the models, what is the number of people in the library at t = 4 hours?

Answers

At t = 4 hours, the number of people in the library is determined by the given model.

To find the number of people in the library at t = 4 hours, we need to plug t = 4 into the model equation. Unfortunately, you have not provided the specific model equation. However, I can guide you through the steps to solve it once you have the equation.

1. Write down the model equation.
2. Replace 't' with the given time, which is 4 hours.
3. Perform any necessary calculations (addition, multiplication, etc.) within the equation.
4. Find the resulting value, which represents the number of people in the library at t = 4 hours.

Once you have the model equation, follow these steps to find the number of people in the library at t = 4 hours.

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Find the best point estimate for the ratio of the population variances given the following sample statistics. Round your answer to four decimal places. n1=24 , n2=23, s12=55.094, s22=30.271

Answers

The best point estimate for the ratio of population variances can be calculated using the F-statistic:

F = s1^2 / s2^2

where s1^2 is the sample variance of the first population, and s2^2 is the sample variance of the second population.

Given the sample statistics:

n1 = 24

n2 = 23

s1^2 = 55.094

s2^2 = 30.271

The F-statistic can be calculated as:

F = s1^2 / s2^2 = 55.094 / 30.271 = 1.8187

The point estimate for the ratio of population variances is therefore 1.8187. Rounded to four decimal places, the answer is 1.8187.

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The cost for a business to make greeting cards can be divided into one-time costs (e. G. , a printing machine) and repeated costs (e. G. , ink and paper). Suppose the total cost to make 300 cards is $800, and the total cost to make 550 cards is $1,300. What is the total cost to make 1,000 cards? Round your answer to the nearest dollar

Answers

Based on the given information and using the concept of proportionality, the total cost to make 1,000 cards is approximately $2,667.

To find the total cost to make 1,000 cards, we can use the concept of proportionality. We know that the cost is directly proportional to the number of cards produced.

Let's set up a proportion using the given information:

300 cards -> $800

550 cards -> $1,300

We can set up the proportion as follows:

(300 cards) / ($800) = (1,000 cards) / (x)

Cross-multiplying, we get:

300x = 1,000 * $800

300x = $800,000

Dividing both sides by 300, we find:

x ≈ $2,666.67

Rounding to the nearest dollar, the total cost to make 1,000 cards is approximately $2,667.

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compute the value of the following. (assume n is an integer.) n 3 , for n ≥ 3

Answers

For any integer value of n greater than or equal to 3, the value of n³ represents the volume of a cube with side length n.

To compute the value of n for n ≥ 3, we need to understand the concept of exponentiation. In mathematics, when a number is raised to the power of another number, it means multiplying the number by itself for the specified number of times.

In this case, we are considering n³, which means n raised to the power of 3. This implies multiplying n by itself three times. Therefore, for any integer value of n greater than or equal to 3, we can calculate n³ as follows:

n³ = n × n × n

For example, if n = 3, then n³ = 3 × 3 × 3 = 27. Similarly, if n = 4, then n³ = 4 × 4 × 4 = 64.

In general, the value of n^3 will be the result of multiplying n by itself three times. This can be visualized as a cube with side length n, where the volume of the cube is given by n³.

Therefore, for any integer value of n greater than or equal to 3, the value of n³ represents the volume of a cube with side length n.

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Evaluate the indefinite integral as an infinite series. Give the first 3 non-zero terms only. Integral_+... x cos(x^5)dx = integral (+...)dx = C+

Answers

The first three non-zero terms of the series are (x²/2) - (x⁴/8) + (x⁶/72).

To evaluate the indefinite integral of x times the fifth power of cosine (∫x(cos⁵x)dx) as an infinite series, we can make use of the power series expansion of cosine function:

cos(x) = 1 - (x²/2!) + (x⁴/4!) - (x⁶/6!) + ...

To incorporate the x term in our integral, we can multiply each term of the series by x:

x(cos(x)) = x - (x³/2!) + (x⁵/4!) - (x⁷/6!) + ...

Now, let's integrate each term of the series term by term. The integral of x with respect to x is x²/2. Integrating the remaining terms will involve multiplying by the reciprocal of the power:

∫x dx = x²/2

∫(x³/2!) dx = x⁴/8

∫(x⁵/4!) dx = x⁶/72

Therefore, the indefinite integral of x times the fifth power of cosine can be expressed as an infinite series:

∫x(cos⁵x)dx = ∫x dx - ∫(x³/2!) dx + ∫(x⁵/4!) dx - ...

Simplifying the first three terms, we obtain:

∫x(cos⁵x)dx ≈ (x²/2) - (x⁴/8) + (x⁶/72) + ...

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Complete Question:

Evaluate the indefinite integral as an infinite series.

Give the first 3 non-zero terms only.

∫x (cos ⁵ x) dx

use the ratio test to determine whether the series is convergent or divergent. [infinity] cos(n/5) n! n = 1 identify an.

Answers

Using the ratio test, we can determine the convergence of the series:

lim{n→∞} |(a_{n+1})/(a_n)| = lim{n→∞} |cos((n+1)/5)/(n+1)| * |n!/(cos(n/5) * (n-1)!)|

Note that the factor of n! in the denominator cancels with the (n+1)! in the numerator of the (n+1)-th term. Also, since the cosine function is bounded between -1 and 1, we have:

|cos((n+1)/5)| <= 1

Thus, we can bound the ratio as:

lim{n→∞} |(a_{n+1})/(a_n)| <= lim{n→∞} |1/(n+1)|

Using the limit comparison test with the series 1/n, which is a well-known divergent series, we can conclude that the given series is also divergent.

To identify the terms (a_n), note that the given series has the general form:

∑(n=1 to infinity) (a_n)

where,

a_n = cos(n/5) / n!

is the nth term of the series.

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What was the HoChi Minh Trail?
A) a series of overland paths and roads used by the South Vietnamese to move troops
B) a system of waterways connecting the Gulf of Tonkin to the Gulf of Thailand
C) a series of underground facilities housing American troops and weapons
D) a system of passages used to send supplies and troops from North Vietnam to the South

Answers

Minh Trail a series of overland paths and roads used by the South Vietnamese to move troops. Thus, option (a) is correct.

It served as a network of paths for pedestrian and bicycle traffic as well as truck routes, and it supplied troops and supplies to the North Vietnamese forces battling in South Vietnam.

A 16,000-kilometer (9,940-mile) network of tracks, roads, and trails made up the actual trail. During the Vietnam War, the Minh Trail served as the main supply route for the North Vietnamese forces that invaded and entered South Vietnam, Cambodia, and Laos.

As a result, the significance of the Minh Trail are the aforementioned. Therefore, option (a) is correct.

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Answer:

Your answer should be D

Step-by-step explanation:

I got it correct on edge 2023

Hope this helps!

An electronics store has 28 permanent employees who work all year. The store also hires some temporary employees to work during the busy holiday shopping season.

Answers

An electronics store has 28 permanent employees who work all year. The store also hires some temporary employees to work during the busy holiday shopping season. The terms associated with this question are permanent employees and temporary employees.

What are permanent employees?Permanent employees are workers who are on a company's payroll and work there regularly. These employees enjoy numerous benefits, such as health insurance, sick leave, and a retirement package. A full-time permanent employee is a person who works full-time and is not expected to terminate his or her employment. This classification of employees is referred to as "regular employment."What are temporary employees?Temporary employees are hired for a limited period of time, usually for a specific project or peak season. They don't have the same benefits as permanent employees, but they are still entitled to minimum wage, social security, and other employment benefits. Temporary employees are employed by companies on a temporary basis to meet the company's immediate needs.

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Which functions are not linear? select all that apply.
a. y = x/5
b. y = 5-x2
c. -3x +2y =4
d. y =3x2 + 1
e. y= -5x -2
f. y = x3

Answers

The functions that are not linear among the given options are b. y = 5-x^2, d. y = 3x^2 + 1, and f. y = x^3.

A linear function is a function where the variables have an exponent of 1 and do not include terms involving exponents greater than 1. Let's examine each given function:

a. y = x/5: This function is linear because the variable x has an exponent of 1.

b. y = 5-x^2: This function is not linear because the variable x has an exponent of 2, indicating a quadratic term.

c. -3x + 2y = 4: This equation represents a linear equation in standard form, and it can be rewritten as y = (3/2)x + 2/3. Thus, it is a linear function.

d. y = 3x^2 + 1: This function is not linear because the variable x has an exponent of 2, indicating a quadratic term.

e. y = -5x - 2: This function is linear because the variables x and y have exponents of 1.

f. y = x^3: This function is not linear because the variable x has an exponent of 3, indicating a cubic term.

In conclusion, the functions that are not linear among the given options are b. y = 5-x^2, d. y = 3x^2 + 1, and f. y = x^3.

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Let A = {4, 5, 6} and B = {6, 7, 8}, and let S be the "divides" relation from A to B. That is, for every ordered pair (x, y) ∈ A ✕ B, x S y ⇔ x | y. Which ordered pairs are in S and which are in S−1? (Enter your answers in set-roster notation. ) S = S−1 =

Answers

The relation S, defined as the "divides" relation from set A to set B, consists of ordered pairs where the first element divides the second element.

Given set A = {4, 5, 6} and set B = {6, 7, 8}, we can determine the ordered pairs in the relation S by checking which elements in A divide the elements in B.

For S, the ordered pairs (x, y) ∈ A ✕ B where x divides y are:

S = {(4, 8), (5, 5), (6, 6), (6, 8)}

To find the ordered pairs in S−1, we need to consider the pairs where the second element divides the first element:

S−1 = {(8, 4), (5, 5), (6, 6), (8, 6)}

Therefore, S = {(4, 8), (5, 5), (6, 6), (6, 8)} and S−1 = {(8, 4), (5, 5), (6, 6), (8, 6)}. These sets represent the ordered pairs in the relation S and S−1, respectively, based on the "divides" relation from set A to set B.

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The function LaTeX: f\left(x\right)=2x^2+x+5f ( x ) = 2 x 2 + x + 5 represents the number of jars of pickles, y in tens of jars, Denise expects to sell x weeks after launching her online store. What is the average rate of change over the interval 1 ≤ x ≤ 2? Group of answer choices

Answers

The average rate of change of f(x) over the interval [1, 2] is 17

We are given a function LaTeX: f\left(x\right)=2x^2+x+5f(x)=2x2+x+5 that represents the number of jars of pickles, y in tens of jars, Denise expects to sell x weeks after launching her online store.

We are asked to find the average rate of change over the interval 1 ≤ x ≤ 2.

To find the average rate of change of a function over an interval, we use the formula;

Average Rate of Change = (f(b)-f(a))/{b-a}, f(b) and f(a) are the values of the function at the endpoints of the interval (a, b).

The interval is 1 ≤ x ≤ 2 which implies that a = 1 and b = 2,

Substituting these values into the formula gives;

Average Rate of Change= {f(2)-f(1)}/{2-1} = (2(2)²+2+5) - (2(1)²+1+5)/{1}

=17/1 = 17

Therefore, the average rate of change over the interval 1 ≤ x ≤ 2 is 17.

Therefore, the average rate of change of f(x) over the interval [1, 2] is 17.

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You win a well-known national sweepstakes. Your award is $100 a day for the rest of your life! You put the money in a bank where it earns interest at a rate directly proportional to the amount M which is in the dM account. So, =100+ KM where k is the growth constant dt m a.) Solve the DEQ (in terms of t and k) given that at t=0 days, there is no money in the account. dM 100 KM dt AM | 10/100+ KM)= t. 100+ KM = (k M= Cekt - 100 100-KM = fe at - K b.) Suppose you invest the money at 5% APR. So k=. Solve the DEQ completely. 365 c.) How much money will you have at the end of one year? d.) Assuming you live for 75 more years how much will you take to the grave with you if you never spent it? e.) How long will it take you to become a millionaire? f.) How long will it take you to become a billionaire?

Answers

a. M can be solve as M = (Ce^(kt) - 100)/K

b. The DEQ will be M = (Ce^(0.05t) - 100)/0.05

c.  You will have $3,881.84 at the end of one year

d. If you live for 75 more years, you will take $13,816,540.58 to the grave with you if you never spent it

e. It will take approximately 36.23 years to become a millionaire.

f. It will take approximately 72.46 years to become a billionaire.

a) The differential equation representing the growth of the account is:

dM/dt = KM + 100

Separating the variables, we have:

dM/(KM + 100) = dt

Integrating both sides, we get:

ln(KM + 100) = kt + C

where C is the constant of integration.

Taking the exponential of both sides, we obtain:

KM + 100 = Ce^(kt)

Solving for M, we get:

M = (Ce^(kt) - 100)/K

b) Substituting k = 0.05 into the equation found in part a), we get:

M = (Ce^(0.05t) - 100)/0.05

c) To find how much money we will have at the end of one year, we can substitute t = 365 (days) into the equation found in part b):

M = (Ce^(0.05(365)) - 100)/0.05 = $3,881.84

d) Assuming we live for 75 more years, the amount of money we will take to the grave with us if we never spent it is found by substituting t = 75*365 into the equation found in part b):

M = (Ce^(0.05(75*365)) - 100)/0.05 = $13,816,540.58

e) To become a millionaire, we need to solve the equation:

1,000,000 = (Ce^(0.05t) - 100)/0.05

Multiplying both sides by 0.05 and adding 100, we get:

C e^(0.05t) = 1,050,000

Taking the natural logarithm of both sides, we obtain:

ln(C) + 0.05t = ln(1,050,000)

Solving for t, we get:

t = (ln(1,050,000) - ln(C))/0.05

We still need to find C. Substituting t = 0 and M = 0 into the equation found in part b), we get:

0 = (Ce^(0) - 100)/0.05

Solving for C, we get:

C = 5,000

Substituting this value of C into the equation for t, we get:

t = (ln(1,050,000) - ln(5,000))/0.05 ≈ 36.23 years

So it will take approximately 36.23 years to become a millionaire.

f) To become a billionaire, we need to solve the equation:

1,000,000,000 = (Ce^(0.05t) - 100)/0.05

Following the same steps as in part e), we obtain:

t = (ln(1,050,000,000) - ln(C))/0.05

Using the value of C found in part e), we get:

t = (ln(1,050,000,000) - ln(5,000))/0.05 ≈ 72.46 years

So it will take approximately 72.46 years to become a billionaire.

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(§7.6) solve the following ivp with the laplace transform. y′′ − 6y′ + 9y = e^3t u (t −3) { y(0) = 0 y′(0) = 0

Answers

Therefore, the solution of the given IVP using Laplace transform is: y(t) = -e^(3t) + t e^(3t) + (t^2/2) e^(3t) u(t-3)

Taking the Laplace transform of both sides of the differential equation, we have:

L[y''(t)] - 6L[y'(t)] + 9L[y(t)] = L[e^(3t)u(t-3)]

Using the derivative property of the Laplace transform, we have:

s^2 Y(s) - s y(0) - y'(0) - 6[s Y(s) - y(0)] + 9Y(s) = e^(3t) / (s - 3)

Substituting y(0) = 0 and y'(0) = 0, we get:

s^2 Y(s) - 6s Y(s) + 9Y(s) = e^(3t) / (s - 3)

Simplifying, we get:

Y(s) = [e^(3t) / (s - 3)] / (s - 3)^2

Using partial fraction decomposition, we can write:

Y(s) = -1/(s-3) + 1/(s-3)^2 + 1/(s-3)^3

Taking the inverse Laplace transform of both sides, we get:

y(t) = -e^(3t) + t e^(3t) + (t^2/2) e^(3t) u(t-3)

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I have a reed, I know not its length. I broke from it one cubit, and it fit 60 times along the length of my field. I restored to the reed what I had broken off, and it fit 30 times along the width of my field. The area of my field is 525 square nindas. What was the original length of the reed?

Answers

The original length of the reed is 45.

Given: A reed was broken off a cubit. This reed fitted 60 times along the length of the field. After restoring what was broken off, it fitted 30 times along the width. The area of the field is 525 square nindas

To find: Original length of the reedIn order to solve the problem,

let’s first define the reed length as x. It means the length broken from the reed is x-1. We know that after the broken reed is restored it fits 30 times in the width of the field.

It means;The width of the field = (x-1)/30Next, we know that before breaking the reed it fit 60 times in the length of the field. After breaking and restoring, its length is unchanged and now it fits x times in the length of the field.

Therefore;The length of the field = x/(60/ (x-1))= x (x-1) /60

Now, we can use the formula of the area of the field to calculate the original length of the reed.

Area of the field= length x widthx

(x-1) /60 × (x-1)/30

= 525 2(x-1)2

= 525 × 60x²- 2x -1785

= 0(x-45)(x+39)=0

x= 45 (as x cannot be negative)

Therefore, the original length of the reed is 45. Hence, the answer in 100 words is: The original length of the reed was 45. The width of the field is given as (x-1)/30 and the length of the field is x (x-1) /60, which is obtained by breaking and restoring the reed.

Using the area formula of the field (length × width), we get x= 45.

Thus, the original length of the reed is 45. This is how the original length of the reed can be calculated by solving the given problem.

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A forest covers 49000 acres. A survey finds that 0. 8​% of the forest is​ old-growth trees. How many acres of​ old-growth trees are​ there?

Answers

There are 392 acres of old-growth trees.

What is the total area?

The area is the region bounded by the shape of an object. The space covered by the figure or any two-dimensional geometric shape. The surface area of a solid object is a measure of the total area that the surface of the object occupies.

Here, we have

The total area of the forest is 49,000 acres.

0.8% of 49,000 is (0.008)(49,000) = 392 acres.

Therefore, there are 392 acres of old-growth trees.

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2/x+4 = 3^x + 1



the approximate solution to the given equation after three iterations of successive approximations is when x is about.



answer choices are


-39/16


-35/-6


-37/16


-33/16



pls help :,)

Answers

After three iterations of successive approximations, the approximate solution to the given equation is when x is about -37/16.

To find the approximate solution to the equation 2/x + 4 = [tex]3^{x}[/tex] + 1, we can use an iterative method such as the Newton-Raphson method. Starting with an initial guess, we can refine the estimate through successive iterations. After three iterations, we find that x is approximately -37/16.

The Newton-Raphson method involves rearranging the equation into the form f(x) = 0, where f(x) = 2/x + 4 - [tex]3^{x}[/tex] - 1. Then, the iterative formula is given by:

x[n+1] = x[n] - f(x[n]) / f'(x[n])

By plugging in the initial guess into the formula and repeating the process three times, we arrive at an approximate solution of x ≈ -37/16.

It is important to note that the solution is an approximation and may not be exact. However, after three iterations, the closest option to the obtained approximate solution is -37/16, which indicates that -37/16 is the approximate solution to the given equation.

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Write sec290 (where the angle is measured in degrees) in terms of the secant of a positive acute angle.

Answers

1/cos290 (in the fourth quadrant)  in terms of the secant of a positive acute angle.

To write sec290 in terms of the secant of a positive acute angle, we need to find an equivalent angle that is between 0 and 90 degrees. We can do this by subtracting 360 degrees (one full revolution) from 290 degrees, which gives us:

290 - 360 = -70

Now we have an equivalent angle of -70 degrees, which is not a positive acute angle. However, we know that the secant function is positive in the first and fourth quadrants, so we can find an angle in one of those quadrants that has the same secant value as -70 degrees.

Let's consider the fourth quadrant, where angles are between 270 and 360 degrees. We can find an angle in this quadrant that has the same secant value as -70 degrees by taking the reciprocal of the secant function, which gives us:

sec(-70) = 1/cos(-70) = 1/cos(360-70) = 1/cos290

So sec290 (where the angle is measured in degrees) can be written in terms of the secant of a positive acute angle as:

sec290 = 1/cos(290) = sec(-70) = 1/cos290 (in the fourth quadrant)

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The difference of the two numbers is 18. The sum is 84 what is the larger number? what is the smaller number

Answers

The larger number is 51, and the smaller number is 33.

Let's represent the larger number as 'x' and the smaller number as 'y.' According to the given information, the difference between the two numbers is 18. Mathematically, this can be expressed as x - y = 18.

The sum of the two numbers is given as 84, which can be expressed as x + y = 84. Now we have a system of two equations:

Equation 1: x - y = 18

Equation 2: x + y = 84

To solve this system of equations, we can use a method called elimination. Adding Equation 1 and Equation 2 eliminates the 'y' variable, resulting in 2x = 102. Dividing both sides of the equation by 2 gives us x = 51.

Substituting the value of x back into Equation 2, we can find the value of y. Plugging in x = 51, we have 51 + y = 84. Solving for y, we find y = 33.

Therefore, the larger number is 51, and the smaller number is 33.

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The table shows the location of different animals compared to sea level. Determine if each statement is true or false.



1: The distance between the fish and


the dolphin is |–3812 – (–8414)| = 4534 feet. True or false?



2: The distance between the shark


and the dolphin is |–145 – 8414| = 22934 feet. T or F



3: The distance between the fish and


the bird is |1834 – (–3812)| = 5714 feet. T or F



4: The distance between the shark


and the bird is |1834 – 145| = 12634 feet. T or F

Answers

1. False   2. False    3. False

4. The distance between the shark and the bird is |1834 – 145| = 12634 feet.  False

To determine the truth value of each statement, we need to calculate the absolute differences between the given coordinates.

1: The distance between the fish and the dolphin is |–3812 – (–8414)| = |3812 + 8414| = 12226 feet.

Since the calculated distance is 12226 feet, the statement "The distance between the fish and the dolphin is 4534 feet" is false.

2: The distance between the shark and the dolphin is |–145 – 8414| = |-145 - 8414| = 8559 feet.

Since the calculated distance is 8559 feet, the statement "The distance between the shark and the dolphin is 22934 feet" is false.

3: The distance between the fish and the bird is |1834 – (–3812)| = |1834 + 3812| = 5646 feet.

Since the calculated distance is 5646 feet, the statement "The distance between the fish and the bird is 5714 feet" is false.

4: The distance between the shark and the bird is |1834 – 145| = |1834 - 145| = 1689 feet.

Since the calculated distance is 1689 feet, the statement "The distance between the shark and the bird is 12634 feet" is false.

Therefore:

False

False

False

False

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Kim Barney pays a $290. 00 annual premium for an insurance plan with a $500 deductible. The company pays 80% of the remaining expense. If Kim had $2,500. 00 in medical expenses, calculate the following

Answers

Kim Barney's insurance plan has a $290.00 annual premium and a $500 deductible. The insurance company covers 80% of the remaining medical expenses after the deductible is met.

To calculate the amount Kim would pay out of pocket, we need to consider the deductible and the insurance company's coverage. The deductible is the initial amount Kim must pay before the insurance coverage kicks in. In this case, Kim's deductible is $500.00.

After paying the deductible, Kim's remaining expenses amount to $2,500.00 - $500.00 = $2,000.00. The insurance company covers 80% of this remaining expense, which is equal to 0.80 * $2,000.00 = $1,600.00.

Therefore, Kim would be responsible for paying the remaining 20% of the expense, which is equal to 0.20 * $2,000.00 = $400.00.

In summary, Kim would pay a total of $500.00 (deductible) + $400.00 (20% of the remaining expense) = $900.00 out of pocket for $2,500.00 in medical expenses.

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find the indefinite integral. (use c for the constant of integration.) 3 tan(5x) sec2(5x) dx

Answers

The indefinite integral of

[tex]3 tan(5x) sec^2(5x) dx ~is~ (3/10) tan^2(5x) + (3/20) tan^4(5x) + C[/tex],

where C is the constant of integration.

We have,

To find the indefinite integral of 3 tan (5x) sec²(5x) dx, we can use the substitution method.

Let's substitute u = 5x, then du = 5 dx. Rearranging, we have dx = du/5.

Now, we can rewrite the integral as ∫ 3 tan (u) sec²(u) (du/5).

Using the trigonometric identity sec²(u) = 1 + tan²(u), we can simplify the integral to ∫ (3/5) tan(u) (1 + tan²(u)) du.

Next, we can use another substitution, let's say v = tan(u), then

dv = sec²(u) du.

Substituting these values, our integral becomes ∫ (3/5) v (1 + v²) dv.

Expanding the integrand, we have ∫ (3/5) (v + v³) dv.

Integrating term by term, we get (3/5) (v²/2 + [tex]v^4[/tex]/4) + C, where C is the constant of integration.

Substituting back v = tan(u), we have (3/5) (tan²(u)/2 + [tex]tan^4[/tex](u)/4) + C.

Finally, substituting u = 5x, the integral becomes (3/5) (tan²(5x)/2 + [tex]tan^4[/tex](5x)/4) + C.

Simplifying further, we have [tex](3/10) tan^2(5x) + (3/20) tan^4(5x) + C.[/tex]

Therefore,

The indefinite integral of [tex]3 tan(5x) sec^2(5x) dx ~is~ (3/10) tan^2(5x) + (3/20) tan^4(5x) + C[/tex], where C is the constant of integration.

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Ms. Redmon gave her theater students an assignment to memorize a dramatic monologue to present to the rest of the class. The graph shows the times, rounded to the nearest half minute, of the first 10 monologues presented

Answers

Ms. Redmon gave her theater students an assignment to memorize a dramatic monologue to present to the rest of the class. The graph shows the times, rounded to the nearest half minute, of the first 10 monologues presented.

The assignment requires the students to memorize a dramatic monologue to present to the rest of the class. Based on the graph, the content loaded for the first ten presentations can be determined. The graph contains the timings of the first 10 monologues presented. From the graph, the lowest time recorded was 2 minutes while the highest was 3 minutes and 30 seconds.

The graph showed that the first student took the longest time while the sixth student took the shortest time to present. Ms. Redmon asked the students to memorize a dramatic monologue, with a requirement of 130 words. It is, therefore, possible for the students to finish the presentation within the allotted time by managing the word count in their dramatic monologue.

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