Write your question here (Keep it simple and clear to get the best answer)

Write Your Question Here (Keep It Simple And Clear To Get The Best Answer)

Answers

Answer 1

let's firstly convert the mixed fractions to improper fractions, then subtract.

[tex]\stackrel{mixed}{9\frac{6}{7}}\implies \cfrac{9\cdot 7+6}{7}\implies \stackrel{improper}{\cfrac{69}{7}}~\hfill \stackrel{mixed}{2\frac{3}{7}} \implies \cfrac{2\cdot 7+3}{7} \implies \stackrel{improper}{\cfrac{17}{7}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{69}{7}~~ - ~~\cfrac{17}{7}\implies \cfrac{69-17}{7}\implies \cfrac{52}{7}\implies 7\frac{3}{7}[/tex]


Related Questions

HELP PLEASE
The tables represent the points earned in each game for a season by two football teams.


Eagles
3 24 14
27 10 13
10 21 24
17 27 7
40 37 55
Falcons
24 24 10
7 30 28
21 6 17
16 35 30
28 24 14


Which team had the best overall record for the season? Determine the best measure of center to compare, and explain your answer.
Eagles; they have a larger median value of 21 points
Falcons; they have a larger median value of 24 points
Eagles; they have a larger mean value of about 22 points
Falcons; they have a larger mean value of about 20.9 points

Answers

The Falcons had the best overall record for the season because they have a larger median value of 24 points.

The data is given as:

Eagles: 3, 7, 10, 10, 13, 14, 17, 21, 24, 24, 27, 27, 37, 40, 55

Falcons: 6, 7, 10, 14, 16, 17, 21, 24, 24, 24, 28, 28, 30, 30, 35

The mean and median values for both data sets:

Eagles: mean = 22, median = 21

Falcons: mean = 21, median = 24

Based on the mean and median values, we can see that the Eagles have a larger mean value of about 22 points while Falcons have a larger median value of 24 points.

Since the mean is affected by outliers and the Falcons have one game where they scored significantly higher than their other games (55 points), the median is a better measure of center to use for this comparison.

Therefore, we can conclude that the Falcons had the best overall record for the season.

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Find the are. Show work pls, and thx.

Answers

Answer:

360.

Step-by-step explanation:

Since 18 and 20 make a right angle and touch together, they are the base and height.

For example,

base = B

height = H

A = B x H

A = 18 x 20

A = 360 ft. squared

TIP: Always make sure your area answer is squared or else your teacher will correct it wrong. ^^

Make sure to round the answer
•thank you if you help :D

Answers

Answer:

Its B!

Step-by-step explanation:

:)

You put $1000 into a savings account with a 8% interest rate compounded monthly. Your friend puts $2000 into a different account that accrues 5% interest compounded monthly. How many years will it take for your account to catch up to your friend's? Round your answer to the nearest tenth of a year

Answers

Using the compound interest formula A = P[tex](1 + r/n)^{(nt)}[/tex] it is deduced that t will take approximately 16.8 years for your account to catch up to your friend's account.

We can use the formula for compound interest to solve this problem:

A = P[tex](1 + r/n)^{(nt)}[/tex]

where:

A = the amount of money at the end of the investment period

P = the principal (initial amount)

r = the annual interest rate (as a decimal)

n = the number of times the interest is compounded per year

t = the time in years

For your account:

P = 1000

r = 0.08/12 = 0.00666667 (monthly interest rate)

n = 12 (compounded monthly)

A = P[tex](1 + r/n)^{(nt)}[/tex] = 1000[tex](1 + 0.00666667/12)^{(12t)}[/tex]

For your friend's account:

P = 2000

r = 0.05/12 = 0.00416667 (monthly interest rate)

n = 12 (compounded monthly)

A = P[tex](1 + r/n)^{(nt)}[/tex] = 2000[tex](1 + 0.00416667/12)^{(12t)}[/tex]

We want to find the time t when the two accounts have the same value:

1000[tex](1 + 0.00666667/12)^{(12t)}[/tex] = 2000[tex](1 + 0.00416667/12)^{(12t)}[/tex]

Dividing both sides by 1000 and simplifying, we get:

[tex](1 + 0.00666667/12)^{(12t)}[/tex] = 2[tex](1 + 0.00416667/12)^{(12t)}[/tex]

[tex](1.00055556)^{(12t)}[/tex] = 2[tex](1.00034722)^{(12t)}[/tex]

Taking the natural logarithm of both sides:

12t × ln(1.00055556) = ln(2) + 12t × ln(1.00034722)

12t = ln(2)/(ln(1.00034722) - ln(1.00055556))

t = 16.8 years (rounded to the nearest tenth of a year)

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in 2012, gallup asked participants if they had exercised more than 30 minutes a day for three days out of the week. suppose that random samples of 100 respondents were selected from both vermont and hawaii. from the survey, vermont had 65.3% who said yes and hawaii had 62.2% who said yes. what is the value of the sample proportion of people from vermont who exercised for at least 30 minutes a day 3 days a week? group of answer choices unknown 0.6375 0.653 0.622

Answers

The value of the sample proportion of people from Vermont who exercised for at least 30 minutes a day, 3 days a week is 0.653.

We have,
Vermont had 65.3% of respondents who said yes to exercising for at least 30 minutes a day, 3 days a week.

To find the sample proportion, you can convert the percentage to a decimal by dividing the percentage by 100.

Step 1:

Convert the percentage to a decimal.
65.3 / 100 = 0.653

Thus,
The value of the sample proportion of people from Vermont who exercised for at least 30 minutes a day, 3 days a week is 0.653.

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The school day is 7 hours long. If recess lasts 1/4 hour, what fraction of the school day does recess make up

Answers

Answer:

recess makes up 1/28 of the school day.

Step-by-step explanation:

Use addition to rewrite the subtraction expression below without changing the digits. Do not solve.
-14 - (-12)

Answers

The value of the given expression is -2.

The given expression is -14-(-12).

Subtraction is the process of taking away a number from another. It is a primary arithmetic operation that is denoted by a subtraction symbol (-) and is the method of calculating the difference between two numbers.

Here, -14+12 (Because -×- = +)

= -2

Therefore, the value of the given expression is -2.

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The number of calls coming in to an office follows a Poisson distribution with mean 5 calls per hour. What is the probability that there will be exactly 7 calls within the next three hours?
a .0.010
b. 0.104
c. 0.090
d.0.071

Answers

The probability of receiving exactly 7 calls in the next three hours is approximately 0.104, which corresponds to answer (b).

To solve this problem, we need to use the Poisson probability formula, which is:

P(X = k) = (e^(-λ) * λ^k) / k!

where X is the number of calls, k is the desired number of calls (7 in this case), λ is the average rate of calls per time period (5 calls per hour), and e is the base of the natural logarithm (approximately 2.71828).

Since we want to know the probability of receiving 7 calls in 3 hours, we need to adjust our λ value accordingly. Since the rate is 5 calls per hour, the average rate for 3 hours would be 5 * 3 = 15 calls.

Now, we can plug these values into the formula:


[tex]P(X = 7) = (e^(-15) * 15^7) / 7![/tex]

P(X = 7) ≈ 0.104

So, the probability of receiving exactly 7 calls in the next three hours is approximately 0.104, which corresponds to answer (b).

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A team of forest rangers notices a fire in the distance at an angle of depression (0) of 15
degrees. If the vertical distance of the observation station above the fire (FS) is 87 feet,
what is the horizontal distance (x) from the station to the fire? Round your answer to
the nearest tenth of a foot.

Answers

The horizontal distance from the observation station to the fire is approximately 290.4 feet.

In this problem, we are given the angle of depression (θ) and the vertical distance (FS) from an observation station to a fire. We need to find the horizontal distance (x) from the station to the fire.

To solve the problem, we can use the trigonometric function tangent, which relates the opposite side to the adjacent side of a right triangle. In this case, the opposite side is the vertical distance FS, and the adjacent side is the horizontal distance x.

We can set up the following equation:

tan(θ) = FS / x

We know that θ = 15 degrees and FS = 87 feet, so we can plug these values into the equation:

tan(15) = 87 / x

Next, we can solve for x by multiplying both sides of the equation by x and dividing both sides by tan(15):

x = 87 / tan(15)

Using a calculator, we can evaluate the expression and get:

x ≈ 290.4 feet

We round our answer to the nearest tenth of a foot, which is why we keep one decimal place.

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The long jump winner jumped 8 1/2 ft. Did the winner jump more than 100in

Answers

Answer:

Step-by-step explanation:

yes, he jumped more then 100 inches

Answer:

The winner did jump more than 100in

Step-by-step explanation:

[tex]8.5ft( \frac{12in}{1ft} ) = 102 \: in[/tex]

the following data set represents the ages of all six grandchildren in a family. find the variance for this data set of ages: 6, 3, 14, 11, 14, 6 round the final answer to one decimal place.

Answers

this is a answer, thanks

The variance for this data set of ages is 18.0 (rounded to one decimal place). The variance for this data set can be found using the formula: Variance = (Σ(x - μ)²) / n



Where Σ represents the sum of, x represents the individual ages in the data set, μ represents the mean of the data set, and n represents the total number of ages.

To find the mean (μ), we first need to add up all the ages and divide by the total number of ages:

(6 + 3 + 14 + 11 + 14 + 6) / 6 = 54 / 6 = 9

So the mean age of the grandchildren is 9.

Next, we need to calculate the sum of each age minus the mean, squared:

(6 - 9)² + (3 - 9)² + (14 - 9)² + (11 - 9)² + (14 - 9)² + (6 - 9)² = 9 + 36 + 25 + 4 + 25 + 9 = 108

Finally, we divide this sum by the total number of ages (6) to get the variance:

Variance = 108 / 6 = 18

Rounding to one decimal place, the variance for this data set is 18.0.

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Rewrite the expression using the properties of exponents.

Answers

The expression using the properties of exponents will be  [tex]3( x^{2/3} y z ^{4/3})[/tex]

Noted that Exponentiation(the process of raising some number to some power) have some basic rules as:

[tex]^n\sqrt{a} = a^{1/n} \\\\(ab)^c = a^c \times b^c\\\\a^b = a^b \implies b= c \[/tex]

We are given that the expression as;

[tex]\sqrt[3]{27 x^2 y^3 z ^4} \\\\[/tex]

Solving the expression by the Exponentiation property;

[tex]\sqrt[3]{27 x^2 y^3 z ^4}[/tex]

[tex]3( x^{2/3} y z ^{4/3})[/tex]

Thus, the answer will be [tex]3( x^{2/3} y z ^{4/3})[/tex]

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Please hurry!
What are the domain and range of f(x)?

Answers

The domain and the range of f(x) are given as follows:

Domain: (-∞, 4).Range: [0, ∞).

What are the domain and range of a function?

The domain of a function is the set that contains all possible input values of the function, that is, all the values assumed by the independent variable x in the function.The range of a function is the set that contains all possible output values of the function, that is, all the values assumed by the dependent variable y in the function.

Hence the domain and the range for the graphed function are given as follows:

Domain: (-∞, 4). -> values of x, open circle at x = 4.Range: [0, ∞) -> values of y, closed circle at y = 0.

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Have you ever experienced someone who displayed poor sportsmanship? How did you handle it? Explain. If you have never experienced poor sportsmanship, describe how you might handle it if you ever were put in a situation where someone was being a poor sport.

Answers

Answer:

Firstly, it is essential to remain calm and composed. Reacting with anger or frustration can escalate the situation and make it worse. Instead, try to approach the person and speak to them calmly and respectfully. Explain how their behavior is affecting others and the overall atmosphere of the game or event.

If the person continues to display poor sportsmanship despite your attempts to communicate with them, it may be necessary to involve a coach, referee, or authority figure who can address the situation more effectively. It's important to remember that poor sportsmanship not only ruins the game for others but also reflects poorly on the individual displaying it.

In some cases, it may be best to simply ignore the behavior and focus on the game or event. As difficult as it may be, sometimes the best course of action is to rise above the negativity and continue playing with good sportsmanship. This can set a positive example for others and show that poor sportsmanship will not be tolerated.

Overall, it's important to handle poor sportsmanship with maturity, respect, and a focus on creating a positive and enjoyable experience for everyone involved.

The radius of a cylindrical water tank is 6.5 ft, and its height is 10 ft. What is the volume of the tank?

Answers

Answer: 1327.3 feet cubed[tex]V=\pi\cdot r^2\cdot h\\V=\pi\cdot(6.5)^2\cdot10\\V=\pi\cdot 42.25\cdot10\\V=422.5\pi ft^3\\or\\V\approx 1327.3 ft^3[/tex]

Step-by-step explanation:

Volume of a cylinder:

Answer it’s v= 13.273

find the missing side length assume that all intersecting sides meet at right angles be sure to include the correct unit in your answer

Answers

The addition is one of the four fundamental mathematical operations. The length of the missing side length is 6ft.

Since,

The addition is one of the four fundamental mathematical operations, the others being subtraction, multiplication, and division. When two whole numbers are added together, the total quantity or sum of those values is obtained.

In the given diagram, the line AB, CD, and EF are parallel to each other, therefore, we can write the length of AB as,

Length of AB = Length of EF - Length of CD

                     = 13ft - 7ft

                     = 6ft

Hence, the length of the missing side length is 6ft.

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someone, please help! giving brainliest and 100 points!
box and whisker method.

Answers

The five-number summary is (7, 9, 13, 21.5, 24).

A five-number summary is a set of statistics that describes a data set. It consists of the minimum, first quartile, median, third quartile, and maximum of the data12. A box plot is a graphical display of the five-number summary using a number line and a rectangular box13.

To find the five-number summary and make a box plot for your data set, you need to follow these steps:

Arrange the data in ascending order: 7, 8, 10, 10, 13, 16, 19, 23, 24

Find the minimum and maximum values: Minimum = 7, Maximum = 24

Find the median (the middle value) of the data: Median = 13

Find the first quartile (the median of the lower half of the data): First quartile = 9

Find the third quartile (the median of the upper half of the data): Third quartile = 21.5

Therefore, by the number line the answer will be (7, 9, 13, 21.5, 24).

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Test the series for convergence or divergence. Part 1: Divergence Test Identify the corresponding positive terms: bn = n110/(n^21+2)^(1/2) Evaluate the limit: lim bn = 0 00 Since lim bn is equal to 0 , then the Divergence Test tells us nothing Part 2: Alternating Series Test Test for Convergence Compute the derivative: bn = (200119-n-30)/2(n^21+ Since bn is eventually always <0 4 , the sequence is eventually monotone . So the Alternating Series Test tells us the series converges dn Absolute vs. Conditional

Answers

Absolute convergence refers to the convergence of a series regardless of the order in which its terms are added, while conditional convergence refers to convergence only when the terms are added in a specific order. In this case, we have shown that the series converges, but we cannot determine whether it converges absolutely or conditionally without further analysis.

To test the series for convergence or divergence, we will use the Divergence Test and the Alternating Series Test. We will break it down into steps.

Given series: ∑((-1)^n * n^110) / (n^21 + 2)^(1/2)

Part 1: Divergence Test
The given question is about testing a series for convergence or divergence using different methods. In part 1, we are asked to use the Divergence Test to determine whether the series converges or diverges. To apply this test, we need to identify the corresponding positive terms, which in this case are given as bn = n110/(n^21+2)^(1/2). Then, we need to evaluate the limit of this sequence as n approaches infinity, which is lim bn = 0 as the denominator grows faster than the numerator. Since the limit is equal to 0, the Divergence Test does not provide any conclusive results.

In part 2, we are asked to use the Alternating Series Test to test for convergence. For this, we need to compute the derivative of the given sequence, which is given as bn = (200119-n-30)/2(n^21+. The derivative is eventually always less than zero, indicating that the sequence is eventually monotone. Therefore, the Alternating Series Test tells us that the series converges.

Step 1: Identify the corresponding positive terms:
bn = n^110 / (n^21 + 2)^(1/2)

Step 2: Evaluate the limit:
lim (n→∞) bn = lim (n→∞) (n^110 / (n^21 + 2)^(1/2))

The limit is equal to 0, so the Divergence Test does not provide any information on the convergence or divergence of the series.

Part 2: Alternating Series Test

Step 3: Test for Convergence
Since the series is an alternating series with positive terms bn, we need to check if the sequence of positive terms is decreasing and if its limit is 0.

Step 4: Check if the sequence is decreasing
Since the derivative of bn with respect to n is negative for all n > 4, the sequence is eventually monotone (decreasing).

Step 5: Check if the limit of the sequence is 0
We already found the limit of the sequence in Step 2, which is 0.

Since both conditions of the Alternating Series Test are satisfied, the series converges.
Finally, we can distinguish between absolute and conditional convergence. Absolute convergence refers to the convergence of a series regardless of the order in which its terms are added, while conditional convergence refers to convergence only when the terms are added in a specific order. In this case, we have shown that the series converges, but we cannot determine whether it converges absolutely or conditionally without further analysis.
In conclusion, the given series converges conditionally according to the Alternating Series Test.

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4) Answer ALL parts of the question. Show your calculations. To make a profit on a given day a car dealership needs to sell at least 4 cars. From experience they know that 70% of those who enter the dealership on a Friday will buy a car. Assume that there is sampling with replacement (so when a car is sold it is replaced), that each car is identical, and that all trials are independent and have the same probability of success. a. Under what conditions can you estimate the Hypergeometric Distribution with the Binomial Distribution? 5 marks b. If 4 customers enter the dealership on Friday, what is the probability that the dealership will make a profit? 7 Marks

Answers

The probability that the dealership will make a profit if 4 customers enter on Friday is approximately 24.01%.

a. You can estimate the Hypergeometric Distribution with the Binomial Distribution under the following conditions:
1. The sample size (n) is relatively small compared to the population size (N).
2. The probabilities of success (p) and failure (q) remain approximately constant throughout the sampling process.

In this case, since we're assuming sampling with replacement, identical cars, and independent trials with constant probability, it's appropriate to use the Binomial Distribution.

b. To calculate the probability that the dealership will make a profit if 4 customers enter on Friday, we can use the Binomial Distribution formula:

P(X = k) = (nCk) * (p^k) * (q^(n-k))

Where:
- P(X = k) is the probability of exactly k successes (cars sold)
- nCk is the number of combinations of n items taken k at a time
- p is the probability of success (car sold)
- q is the probability of failure (car not sold)
- n is the number of trials (customers)
- k is the number of successes (cars sold)

Here, n = 4, p = 0.70, and q = 1 - p = 0.30. We need to find the probability of selling at least 4 cars (k ≥ 4) to make a profit:

P(X ≥ 4) = P(X = 4)
P(X = 4) = (4C4) * (0.70^4) * (0.30^0)
P(X = 4) = 1 * (0.2401) * (1)
P(X = 4) = 0.2401

Therefore, the probability that the dealership will make a profit if 4 customers enter on Friday is approximately 24.01%.

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An inequality is shown.


27
7
n

4
3

Select all the values of n that make the inequality true

Group of answer choices


2
5


2
9


3
2

1

Answers

Answer:

The only value of n that makes the inequality true is 5.

Explanation:

To solve the inequality, we need to isolate n on one side of the inequality symbol. First, we can multiply both sides by 7/3 to get:

n > (4/3) × 27/7

Simplifying, we get:

n > 4

So any value of n greater than 4 would make the inequality true. Among the given choices, only 5 is greater than 4, so it is the only value that satisfies the inequality.

a brown dog crossed with a yellow dog produced 12 brown offspring. a second brown individual was obtained. when the yellow dog was crossed with this animal, six brown and six yellow offspring were born. which of the following best explains the results of the second cross?

Answers

The second cross can be explained by the presence of a dominant brown gene and a recessive yellow gene.

The first brown dog was likely homozygous dominant for the brown gene, while the yellow dog was likely homozygous recessive for the yellow gene. The 12 brown offspring from their cross inherited one dominant brown gene from each parent. The second brown individual may have been heterozygous for the brown gene, meaning it carried one dominant brown gene and one recessive yellow gene. When this animal was crossed with the yellow dog, the six brown offspring inherited the dominant brown gene, while the six yellow offspring inherited the recessive yellow gene from both parents. Therefore, the results of the second cross support the idea of Mendelian inheritance and the presence of dominant and recessive genes.
Based on the information provided, the best explanation for the results of the second cross is that the brown dog is heterozygous (Bb) for the coat color gene, and the yellow dog is homozygous recessive (bb). In the second cross, the heterozygous brown dog (Bb) mated with the yellow dog (bb), resulting in a 1:1 ratio of brown (Bb) and yellow (bb) offspring. This is consistent with Mendelian inheritance, where a dominant allele (B) is responsible for the brown coat and a recessive allele (b) is responsible for the yellow coat.

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[amc10a.2007.15] four circles of radius $1$ are each tangent to two sides of a square and externally tangent to a circle of radius $2$, as shown. what is the area of the square?

Answers

The area of the square is $x^2 = (2\sqrt{3})^2 = \boxed{12}$. To solve this problem, we need to use the fact that the centers of the smaller circles form a squarewith sidee lengths equal to the sum of the radii of the smaller circles and the radius of the larger circle. Let's call this side length $x$.



We know that each of the smaller circles is tangent to two sides of the square. This means that the distance from the center of each smaller circle to a corner of the square is equal to the radius of the circle. Since the radius of each circle is 1, this distance is also 1.

If we draw the diagonal of the square, we can see that it passes through the center of the larger circle. This diagonal has length $x\sqrt{2}$. We also know that the radius of the larger circle is 2.

Using the Pythagorean theorem, we can set up the equation $x^2 + x^2 = (x\sqrt{2})^2 - 4^2$. Simplifying this equation gives us $x^2 = 12$, so $x = 2\sqrt{3}$.

Therefore, the area of the square is $x^2 = (2\sqrt{3})^2 = \boxed{12}$.

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A typical starting dose is 10 mg After the medication has been fully taken once daily metabolized, it is eliminated continuously from the body at a rate of approximately 2.3% per hour. Steady-state concentrations are achieved within 7-10 days of administration. Time Amount Remaining from New Dose Total Amount in the (days) Previous Doses (mg) Added (mg) Blood Stream (mg) 0 NA 10 10 1 5.76 10 15.76 2 9.07 10 19.08 3 10.99 10 20.99 4. Fill in the table, displaying how Lexapro accumulates in the body over the course of ten days. 10 points 4 12.08 10 22.08 5 12.72 10 22.72 6 13.08 10 23.08 7 13.30 10 23.30 8 00 13.42 10 23.42 9 15.49 10 23.49 10 13.53 10 23.53 Let's examine what is happening... Time (days) 0 Total Amount in Blood Stream (mg) 10 15.76 1 5. Run logistic regression on your completed data table to find a model for the total amount of Lexapro in the blood stream as a function of time in days, P(t). Logistic Regression Calculator. 15 points 2 3 4 5 6 7 00 8 9 10 9

Answers

In this case, we want to predict the total amount of Lexapro in the bloodstream (continuous outcome) based on the time in days (continuous predictor). The output will give us the equation for the model:
[tex]P(t) = \frac{11.834}{e^{-0.621(4-2.94)} }[/tex]

To fill in the table, we use the given information that the medication is eliminated from the body at a rate of approximately 2.3% per hour. This means that after one hour, 97.7% of the medication remains in the body. We can use this information to calculate the amount remaining from the previous dose and the total amount in the bloodstream for each day.

Time (days) | Amount Remaining from Previous Doses (mg) | New Dose Added (mg) | Total Amount in Blood Stream (mg)
0          | NA                                      | 10                  | 10
1          | 5.76                                    | 10                  | 15.76
2          | 9.07                                    | 10                  | 19.07
3          | 10.99                                   | 10                  | 20.99
4          | 12.08                                   | 10                  | 22.08
5          | 12.72                                   | 10                  | 22.72
6          | 13.08                                   | 10                  | 23.08
7          | 13.30                                   | 10                  | 23.30
8          | 13.42                                   | 10                  | 23.42
9          | 13.49                                   | 10                  | 23.49
10         | 13.53                                   | 10                  | 23.53

For example, on day 1, the amount remaining from the previous dose is 10 x 0.977 = 9.77 mg, and the total amount in the bloodstream is

9.77 + 10 = 19.77 mg.

On day 2, the amount remaining from the previous dose is

19.77 x 0.977 = 19.30 mg, and the total amount in the bloodstream is 19.30 + 10 = 29.30 mg.

We continue this process each day to fill in the table.

To find a model for the total amount of Lexapro in the bloodstream as a function of time in days, we can use logistic regression. Logistic regression is a statistical method used to analyze data with a binary outcome (i.e. 0 or 1), but it can also be used for continuous outcomes by transforming the data.

In this case, we want to predict the total amount of Lexapro in the bloodstream (continuous outcome) based on the time in days (continuous predictor). We can use a logistic regression calculator to find the model. The output will give us the equation for the model:
[tex]P(t) = \frac{11.834}{e^{-0.621(4-2.94)} }[/tex]

where P(t) is the predicted total amount of Lexapro in the bloodstream at time t in days. This model suggests that the total amount of Lexapro in the bloodstream increases over time but at a decreasing rate. The model can be used to make predictions about the total amount of Lexapro in the bloodstream at different time points.

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use the ratio test or the root test to determine if the following series converges absolutely or diverges. 6k^4 k

Answers

The limit is equal to 1, so the Ratio Test is inconclusive. Further tests would be required to determine if the series converges absolutely or diverges.

To use the ratio test, we take the limit of the absolute value of the ratio of the (k+1)th term to the kth term:

lim as k approaches infinity of |(6(k+1)^4)/(6k^4)|

Simplifying this expression, we get:

lim as k approaches infinity of |(k+1)^4/k^4|

Using L'Hopital's rule, we can evaluate this limit:

lim as k approaches infinity of |4(k+1)^3/4k^3|

lim as k approaches infinity of |(k+1)/k|^3

Since the limit is less than 1, by the ratio test, the series converges absolutely.

Alternatively, we can use the root test, which involves taking the kth root of the absolute value of the kth term:

lim as k approaches infinity of |(6k^4 k)^(1/k)|

Simplifying this expression, we get:

lim as k approaches infinity of |6^(1/k) * k^(4+1/k)|

The exponent 4+1/k approaches 4 as k approaches infinity, so we can ignore the 1/k term. Taking the limit of just the k^(4) term, we get:

lim as k approaches infinity of |6^(1/k) * k^4|^(1/k)

Using the fact that lim as k approaches infinity of 6^(1/k) = 1 and lim as k approaches infinity of k^(4/k) = 1, we get:

lim as k approaches infinity of |6^(1/k) * k^4|^(1/k) = 1

Since the limit is less than 1, by the root test, the series converges absolutely.
To determine if the given series converges absolutely or diverges, we can use the Ratio Test. The series is given as:

Σ(6k^4 * k) for k = 1 to ∞

First, let's simplify the series:

Σ(6k^5) for k = 1 to ∞

For the Ratio Test, we need to compute the limit as k goes to infinity of the ratio of consecutive terms:

lim (k → ∞) (|a_(k+1)| / |a_k|)

For our series, a_k = 6(k+1)^5 and a_(k+1) = 6k^5. So we have:

lim (k → ∞) (|6(k+1)^5| / |6k^5|)

We can simplify by canceling the common factor of 6:

lim (k → ∞) ((k+1)^5 / k^5)

Now, let's take the limit:

lim (k → ∞) (1 + 1/k)^5 / 1 = 1^5 / 1 = 1

For the Ratio Test, if the limit is less than 1, the series converges absolutely; if it is equal to 1, the test is inconclusive; if it is greater than 1, the series diverges.

In this case, the limit is equal to 1, so the Ratio Test is inconclusive. Further tests would be required to determine if the series converges absolutely or diverges.

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Find the volume of the triangular prism. 2. 4 cm
3. 6 cm
6 cm

Answers

The volume of the triangular prism will be 25.92 cubic cm.

Given that:

Base, b = 2.4 cm

Height, h = 3.6 cm

Length, L = 6 cm

The volume of the triangular prism is given as,

V = 1/2 x b x h x L

The volume of the triangular prism is calculated as,

V = 1/2 x 2.4 x 3.6 x 6

V = 2.4 x 3.6 x 3

V = 25.92 cubic cm

The volume of the triangular prism will be 25.92 cubic cm.

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Help me pls
Identify the vertex and axis of symmetry of each. Then sketch the graph.

Answers

The vertex and axis of symmetry of each function are as follows:

15. (2, -4)

16. -½x + ½

17. (-4, 3)

18. (-5, 2)

19. (-5, -3)

20. (-2, -1)

How did we get the values?

15. f(x) = -3 (x - 2)² - 4

Rewrite the function

f(x)=-3x²+12x-16 Identify the coefficients

a=-3, b=12

Substitute the coefficients into the expression

X = — ¹²/2 x (-3) Solve the equation

X = 2

Evaluate the function for x = 2

f(x) = -3 (x-2)² - 4, x=2

Calculate the function value

f(2) = -4

The vertex is at (2, -4)

16. f(x) = - ¼x (x - 1)² + 4

Take the derivative

f'(x) = ᵈ/dx (-¼x x (x-1)² + 4)

Calculate

f'(x) = ᵈ/dx (— (x-1)²/4 + 4)

Use differentiation rules

f'(x) = ᵈ/dx ( (x-1)²/4) + ᵈ/dx (4)

Differentiate

f¹(x) = - ¼ x 2 (x - 1) + 0

Simplify

f'(x) = -½x + ½

17. f ( x ) = ¼ × (x + 4)² +3

Rewrite the function

f(x) = ¼x² + ⁸/₄x + ¹⁶/₄ + 3

Identify the coefficients

a= ¼, b = ⁸/₄

Substitute the coefficients into the expression

X = — (⁸/₄)/2 x ¼

Solve the equation

X= -4

Evaluate the function for x = -4

f ( x ) = ¼ × (x + 4)² +3, x = -4

f(-4) = 3

The vertex is at (-4, 3)

18. f (x) = ¼ × (x + 5)² + 2

Rewrite the function

f(x) = ¼x² + ¹⁰/₄x + ³¾

Identify the coefficients

a = ¼, b = ¹⁰/₄

Substitute the coefficients into the expression

x = (¹⁰/₄)/2 x ¼

Solve the equation

X= -5

Evaluate the function for x = -5

f (x) = ¼ × (x + 5)² + 2, x = -5

Calculate the function

f(-5) = 2

The vertex is at (-5, 2)

19. f(x) = -2(x+5)² - 3

Rewrite the function

f(x) = -2x² - 20x - 53

Identify the coefficients

a = -2, b = -20

Substitute the coefficients into the expression

X = — ²⁰/2 x (-2)

Solve the equation

X= -5

Evaluate the function for x = -5

f(x) = -2(x+5)² - 3, x = -5

Calculate

f (-5) = -3

The vertex is at (-5, -3)

20. f(x) = (x + 2)² - 1

Rewrite the function

f(x)= x² +;4x + 3

Identify the coefficients

a = 1, b = 4

Substitute the coefficients into the expression

x = — ⁴/2 x 1

Solve the equation

X = - 2

Evaluate the function for x= -2

f(x) = (x+2)² - 1, x = -2

Calculate the function value

f(-2) = -1

The vertex is at (-2, -1)

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Prove that there exist prime numbers with arbitrarily many 0's in its digits. (Hint: use Dirichlet's theorem on arithmetic progressions)

Answers

Dirichlet's theorem on arithmetic progressions states that for any two coprime positive integers a and d, there are infinitely many prime numbers of the form a + nd, where n is a non-negative integer. We can use this theorem to prove that there exist prime numbers with arbitrarily many 0's in its digits.

Let's consider the arithmetic progression 10^k, 10^k + 1, 10^k + 2, ..., 10^k + 9. This progression consists of all the positive integers with k+1 digits that end in a non-zero digit. Note that 10^k and 10^k + 1 are coprime, as are 10^k and 10^k + 2, and so on, up to 10^k and 10^k + 9. By Dirichlet's theorem, there are infinitely many primes of the form 10^k + nd, where n is a non-negative integer and d is any one of the 10 numbers 1, 2, ..., 9. Since 10^k has k+1 digits, we can choose k to be any positive integer, and thus there exist prime numbers with arbitrarily many 0's in its digits. For example, if we choose k = 1000, then there exist infinitely many prime numbers with at least 1000 zeros in its digits, since there are infinitely many primes of the form 10^1000 + nd, where d is any one of the 10 digits 1, 2, ..., 9.

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Which equation represents the graph? a graph of a line that passes through the points 0 comma negative 2 and 3 comma negative 1 y = −3x + 6 y equals negative one third times x plus 6 y equals one third times x minus 2 y = 3x − 2

Answers

The correct equation which represents the graph is,

⇒ y = 1/3x - 2

We know that;

The equation of line in point-slope form passing through the points

(x₁ , y₁) and (x₂, y₂) with slope m is defined as;

⇒ y - y₁ = m (x - x₁)

Where, m = (y₂ - y₁) / (x₂ - x₁)

Given that;

Two points on the line are (3, -1) and (0, -2).

Now,

Since, The equation of line passes through the points (3, -1) and (0, -2).

So, We need to find the slope of the line.

Hence, Slope of the line is,

m = (y₂ - y₁) / (x₂ - x₁)

m = (- 2 - (-1)) / (0 - 3)

m = - 1 / -3

m = 1/3

Thus, The equation of line with slope 1/3 is,

⇒ y - (-1)= 1/3 (x - 3)

⇒ y + 1 = 1/3x - 1

⇒ y = 1/3x - 2

Therefore, The equation of line passes through the points ((3, -1) and

(0, -2).will be;

⇒ y = 1/3x - 2

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4. Marcelo installed solar panels on his roof. The panels produce 1,450 watt-
hours when exposed to 5 hours of sunshine. Use the table to determine
how long it will take the panels to produce 2,320 watts-hours at this rate.
Show how the values in each row are determined using arrows and
multiplication. Use however many rows you need to show your work. Then
complete the statement.
Hours
It will take
5
Electricity Produced
(watts-hours)
1450
hours to produce 2,320 watts-hours.

Answers

Answer: 8 hours

Step-by-step explanation:

You can create an algebraic equality equation to solve for the amount of hours required to produce 2320 watts of power.

The equation would look something like this:

[tex]\frac{5}{1450}=\frac{x}{2320}[/tex]

Answer:

It will take 8 hours

Step-by-step explanation:

[tex]\frac{1450}{5}[/tex] = [tex]\frac{2320}{x}[/tex]

1450 x 1.6 = 2320

5 x 1.6 = 8

Helping in the name of Jesus.

draw the image of the following figure after a dilation centered at the origin with a scale factor of 3/5

Answers

The coordinate of the triangle after the dilation is (3, 3), (6, 3), (3, 6)

What would the coordinate after dilation

From the question, we have the following parameters that can be used in our computation:

(5, 5), (10,5), (5, 10)

Scale factor = 3/5

The coordinate of the triangle after the dilation is calculated as

Image' = triangle * Scale factor

Substitute the known values in the above equation, so, we have the following representation

(5, 5), (10,5), (5, 10) * 3/5

Evaluate

(3, 3), (6, 3), (3, 6)

Hence, the image is (3, 3), (6, 3), (3, 6) and it is attached

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