ο Δ Δ Δ Δ 2
A
52. Last month, 200 people each donated between 2 and 5
food items to the Downtown Food Bank, according to the
information in the bar graph below.
Which of the
following statements about the mean, median, and mode
of the data must be true?
F.
G.
H.
1.
K.
Number of Donors
100
80
60
40
20
0
2 3
4 5
Number of Food Items Donated
The mean number of food items donated is equal
to the median number of food items donated.
The mode number of food items donated is equal
to the median number of food items donated.
The median number of food items donated is
greater than the mode number of food items
donated.
The mode number of food items donated is greater
than the median number of food items donated.
The mean number of food items donated is greater
than the median number of food items donated.

Answer:

3c(d^2+4d+4)

Step-by-step explanation:

common factor is 3 and c

The rectangle is formed by connecting the points (-4, 4), (5, 4), (-4, -4), and (5, -4).

The length of the rectangle is the distance between the points (-4, 4) and (5, 4), which is 5 - (-4) = 9 units.

The width of the rectangle is the distance between the points (-4, 4) and (-4, -4), which is 4 - (-4) = 8 units.

Therefore, the area of the rectangle is:

Area = Length x Width = 9 x 8 = 72 square units.

So, the area of the rectangle shown is 72 square units. Therefore, the answer is 72 square units.

Answer:

Step-by-step explanation:

Write the formula for the nth term of the sequence as a function: f(n)=n(n+7).

So now our goal is to compute f(11). To do that, we substitute x=11 in our function, meaning that the 11th term of the sequence = 11*18, which equals 198.

The measure of angle K in the inscribed quadrilateral DUCKDUCKD is equal to the central angle of the circle OOO. This central angle is 360 degrees divided by the number of sides of the quadrilateral, which is 4, so the measure of angle K is 90 degrees.

The measure of angle K in the inscribed quadrilateral DUCKDUCKD is equal to the central angle of the circle OOO. The central angle is the angle formed by two radii inside the circle. When a shape is inscribed in a circle, each of the angles of the shape has the same measure as the central angle of the circle. In this case, the quadrilateral has four sides, so the measure of the central angle is 360 degrees divided by the number of sides of the quadrilateral, which is 4. Therefore, the measure of angle K is 90 degrees. This is true for all inscribed shapes; the measure of each angle is equal to the measure of the central angle of the circle. This is because when a shape is inscribed in a circle, each of its angles touches two radii of the circle. Therefore, the measure of each angle is equal to the measure of the central angle of the circle.

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complete question

Quadrilateral DUCKDUCKD, U, C, K is inscribed in circle OOO. What is the measure of angle K∠Kangle, K? ^circ ∘ degrees

Answer: In a parallelogram, opposite angles are equal, so we can set up the following equation:

3x + 10 = 180 - (4x + 10)

Simplifying and solving for x, we get:

3x + 10 = 170 - 4x

7x = 160

x = 20

Now we can substitute x = 20 into the expressions for the angles to find their values:

3x + 10 = 70 degrees

4x + 10 = 90 degrees

Since opposite angles in a parallelogram are equal, the other two angles must also be equal to these values. Therefore, the internal angles of the parallelogram are:

70 degrees, 70 degrees, 110 degrees, 110 degrees

Step-by-step explanation:

the tax estimated to be collected by the government during the financial year 2020/21 is 666.9 billion rands.

why it is and what is a financial year?

The tax estimated to be collected by the government during the financial year 2020/21 is not explicitly given in the table. However, the total revenue collected by the government during the financial year 2020/21 is given, which is:

666.9 billion rands

Therefore, the tax estimated to be collected by the government during the financial year 2020/21 is 666.9 billion rands.

A financial year (also known as fiscal year) is a period of 12 months that a company or government uses for financial reporting and accounting purposes. It does not necessarily correspond to the calendar year, which is a period of 12 months starting on January 1st and ending on December 31st.

The financial year is important because it helps organizations to keep track of their financial performance over a consistent period of time, which facilitates comparison of financial results from year to year. The financial year is often chosen to align with a company's operational cycle, which may be seasonal or have other considerations that affect the timing of revenues and expenses.

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To create a function from these points, we need to find an equation that passes through all four points. There are several ways to do this, but one common method is to use linear regression to fit a line to the data.

Here's a mathematical approach to creating a function using four ordered pairs, finding its inverse, and ensuring that the inverse is also a function: Let's assume we have four ordered pairs: (a, b), (c, d), (e, f), and (g, h). We can use the formula for a line, y = mx + b, where m is the slope and b is the y-intercept, to create the function. To find m and b, we can use the following formulas: m = (nΣ(xy) - ΣxΣy) / (nΣ(x^2) - (Σx)^2)

b = (Σy - mΣx) / n where n is the number of points, Σ denotes the sum of the values, and x and y represent the coordinates of the points. Substituting the coordinates of the four points into these formulas, we can find the equation of the line that passes through them. Once we have the equation, we can define our function as f(x) = mx + b. To find the inverse of the function, we can solve for x in terms of y. Starting with the equation y = mx + b, we can isolate x on one side: y - b = mx

x = (y - b) / m

Now we have an expression for x in terms of y, which defines the inverse of the function. We can define the inverse function as g(y) = (y - b) / m. To ensure that the inverse is also a function, we need to check that for each y in the range of the function, there is only one corresponding x value. In other words, we need to check that the function is one-to-one.

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Therefore, 150 is the largest integer that is a factor of both 1450 and 2400.

Prime factorization is the process of breaking down a positive integer into its prime factors, which are prime numbers that can divide the integer without a remainder. Every positive integer can be written as a product of prime numbers in a unique way, called its prime factorization.  Prime factorization is important in many mathematical applications, such as finding the greatest common divisor and least common multiple of two or more integers, simplifying fractions, and solving problems related to divisibility, prime numbers, and modular arithmetic.

Here,

To find the largest integer that is a factor of both 1450 and 2400, we need to first express both numbers in terms of their common prime factors and then find the product of the common prime factors raised to their lowest exponent.

The prime factorization of 1450 is 2 × 5² × 29.

The prime factorization of 2400 is 2⁴ × 3 × 5².

To find the common factors of these two numbers, we need to look for the prime factors that appear in both factorizations. These common prime factors are 2, 5², and 3.

To find the largest integer that is a factor of both 1450 and 2400, we need to multiply these common prime factors raised to their lowest exponent:

2 × 5² × 3 = 150

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a. The possible zeros of the polynomial function are ±1, ±2, ±5, ±10, ±25, ±50

b. x = -1 is a zero of f(x)

c. The remaining zeros of the polynomial function is -1, (3 + i√103) / 2, (3 - i√103) / 2

To find all possible zeros of the polynomial function f(x), we can use the Rational Root Theorem, which states that if a polynomial function with integer coefficients has a rational zero of the form p/q, where p and q are integers and q ≠ 0, then p must be a factor of the constant term and q must be a factor of the leading coefficient.

The constant term of f(x) is 50, which has the factors ±1, ±2, ±5, ±10, ±25, ±50. The leading coefficient of f(x) is 1, which has the factors ±1. So the possible rational zeros of f(x) are:

±1, ±2, ±5, ±10, ±25, ±50

b. We can use synthetic division to test each of the possible rational zeros and find an actual zero. Let's start by testing x = 1:

  | 1  -2  -25  50

1  |    1   -1  -26  24

  |______________

  1  -1  -26  24

The remainder is 24, which means that x = 1 is not a zero of f(x).

Let's try x = -1:

  | 1  -2  -25  50

-1 | 1 -3 28 -78

|______________

1 -3 28 -78

The remainder is -78, which means that x = -1 is a zero of f(x).

c. We can use the quotient from part (b), which is x^2 - 3x + 28, to find the remaining zeros of the polynomial function f(x). To do this, we can use the quadratic formula:

x = (-b ± √(b^2 - 4ac)) / 2a

where a = 1, b = -3, and c = 28. Plugging in these values, we get:

x = (3 ± √(-103)) / 2

Since the discriminant is negative, there are no real solutions. However, there are two complex solutions:

x = (3 ± i√103) / 2

So the zeros of f(x) are:

x = -1, (3 + i√103) / 2, (3 - i√103) / 2

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The 99% confidence interval for the average length (in inches) of all six-month-old boys is 27.74 in. to 27.98 in. The correct answer is E

This is calculated using the average length (27.6 in.) and standard deviation (0.28 in.) recorded by the pediatrician. To calculate the confidence interval, you need to calculate the margin of error. The margin of error is found using the following formula:

ME = (Critical Value) x (Standard Deviation/√Sample Size)

For a 99% confidence interval, the critical value is 2.58. Therefore, the margin of error for this sample is (2.58) x (0.28/√50) = 0.24 in. This means that the 99% confidence interval for the average length of all six-month-old boys is 27.6 in. ± 0.24 in., or 27.74 in. to 27.98 in. The correct answer is E

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The job will take 5 hours time for a crew of 5 people.

Inverse variation means that as one value increases, the other decreases. In this example, as the number of people on the crew increases, the amount of time it takes to complete the job decreases. To solve this problem, we must first find the rate of change. We can do this by dividing 8 hours (the amount of time it took the crew of 3 people) by 3 people, which gives us a rate of 2.67 hours per person. Then, to find the time for the crew of 5 people, we can multiply the rate of change (2.67 hours per person) by the number of people on the crew (5). This gives us a total of 13.35 hours, which can be rounded to 5 hours time.

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The area is covered with 1.4 gallons of water per square foot, approximately 5388.9 gallons of water were used.

We use the formula for the area of a circle: A = πr².

The radius can be determined by dividing the diameter, which is 70 feet, by 2. Therefore, r = 35 feet.

To find the area of the circle, substitute the value of r into the formula for the area of a circle: A = πr².
A = πr²
A = π(35)²
A = 3.14 × 1225
A = 3842.5 square feet
We know that this area is covered with 1.4 gallons of water per square foot, so we can multiply the area of the circle by 1.4 to get the total gallons of water used:

Total gallons of water used = A * 1.4
1.4 × 3842.5 ⇒ 5,379.5 gallons.

Therefore, the total gallons of water used is 5,379.5 gallons.

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We can see here that the equivalent expressions are:

B. [tex](\frac{st}{x} )^{3} (\frac{xt^{2} }{s} )[/tex]

C. [tex](\frac{st^{4} x}{x^{7}t^{-2} } ) (\frac{sx^{7} }{tx^{3} } )[/tex]

An expression is a combination of values, variables, operators, and function calls that are evaluated to produce a result. Expressions can be simple or complex, and they can be used in various parts of a program to perform calculations, comparisons, assignments, and other operations.

We see here that the selected expressions are actually equivalent to [tex]\frac{s^{2}t^{5} }{x^{2} }[/tex].

Thus,  [tex](\frac{st}{x} )^{3} (\frac{xt^{2} }{s} )[/tex] =  [tex]\frac{s^{2}t^{5} }{x^{2} }[/tex]

and  [tex](\frac{st^{4} x}{x^{7}t^{-2} } ) (\frac{sx^{7} }{tx^{3} } )[/tex] =  [tex]\frac{s^{2}t^{5} }{x^{2} }[/tex]

When the selected expressions are simplified and broken down they actually give us the given expression.

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We have ,

Cost of jacket , (F) = $48.10 

Saving per day, (A)  = $1.85 

We have to find the no. of days(n) of saving to have the sufficient amount for jacket. 
We know , 

A × n = F 

=> n = F/A 

=> n = $48.10/$1.85 

=> n = 26  

It will take 26 days for Caden to have enough money for the jacket. 

If the distance between the tracks is 5m , then the train ride on track 2 is 15.7 m farther than track 1.

Let the distance traveled on Track 1 be = "d₁" and

Let the distance traveled on Track 2 be = "d₂",

We know that the distance from Track 1 to the center is 30 m,

So, the radius of Track 1 is 30 m.

Therefore, the distance traveled on Track 1 is the circumference of a circle with radius 30 m, which is:

⇒ d₁ = 2×π×r1 = 2×π×30 = 60π ,

The distance between the track1 and track2 is 5m ,

So, the radius of Track 2 is = 30 + 5 = 35 m,

So, the distance traveled on Track 2 beyond Track 1 is the difference between the circumference of the two circle with radius 35 m and the circumference of a circle with radius 30 m, which is:

⇒ 35π - 30π = 5π

The distance traveled on Track 2 beyond Track 1 plus the distance traveled on Track 1 gives the total distance traveled on Track 2:

⇒ d₂ = d₁ + 5π = 60π + 5π = 65π

So, the train ride on Track 2 is farther than Track 1 by:

⇒ d₂ - d₁ = 65π - 60π = 5π

⇒ 5π = 5×3.14 = 15.7m .

Therefore, the train ride on Track 2 is 15.7 meters farther than Track 1.

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The equatiοn we wοuld use tο find the distance between the twο pοints is d = √((x₂ - x₁)² + (y₂ - y₁)² ) = √((2 - (-4))²  + (y₂ - y₁)² ) = √(6²  + (y₂ - y₁)² ) = √36 + (y₂ - y₁)² )

Tο find the distance between twο pοints οn a number line οr in a cοοrdinate plane, we use the distance fοrmula. The distance fοrmula is given by:

d = √((x2 - x1)²  + (y2 - y1)² )

where (x1, y1) and (x2, y2) are the cοοrdinates οf the twο pοints.

Nοne οf the οptiοns prοvided represents the distance fοrmula in its entirety. Hοwever, we can use οptiοn B as the first part οf the distance fοrmula, since it represents the absοlute value οf the difference between the x-cοοrdinates οf the twο pοints:

|2 - (-4)|

Simplifying this expressiοn gives:

|2 + 4|

|6|

Therefοre, the equatiοn we wοuld use tο find the distance between the twο pοints is:

d = √((x2 - x1)² + (y2 - y1)²) = √((2 - (-4))² + (y2 - y1)²) = √(6² + (y2 - y1)²) = √36 + (y2 - y1)²)

We still need tο determine the y-cοοrdinates οf the twο pοintstοο cοmplete the distance fοrmula.

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As a result, 140140140 tamales would be left as Claudio began with 300300300 and distributed samples to 160160160 passersby.

An expression in mathematics is made up of different numbers, variables, and mathematical operations like addition, subtraction, multiplication, division, and exponentiation. Expressions can be simple or complicated and can express a wide range of mathematical connections and concepts. Expressions can be evaluated to get a numerical result or to be simplified using mathematical principles and rules. For instance, the equation "2 + 3" can be evaluated to get the value "5", whereas the expression "2x + 3y - 4z" can be made easier by fusing comparable terms to produce a more straightforward expression, such as "2x - z + 3y."

given

The quantity of tamales left if Claudio began with 300300300 and distributed samples to 160160160 passersby would be:

300300300 - 160160160 = 140140140

As a result, 140140140 tamales would be left as Claudio began with 300300300 and distributed samples to 160160160 passersby.

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As per the given triangle, the length of AB rounded to 3 significant figures is 10.7 units.

We are given a triangle ABC with a right angle at A, i.e., CAB = 90°. Let AC be the side opposite to the right angle, and let AB be the hypotenuse. We are also given that ABC = 57° and AC = 9.2.

Using the trigonometric function, we can relate the angles and sides of a right-angled triangle. In particular, we can use the sine function to relate the angle opposite to a side and the hypotenuse. Thus, we have:

sin(ABC) = AC/AB

Substituting the given values, we get:

sin(57°) = 9.2/AB

Now, we can solve for AB by multiplying both sides by AB and dividing by sin(57°):

AB = 9.2/sin(57°)

Using a calculator, we get:

AB ≈ 10.692

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The first four terms of the sequence a(n) = 3n + 2 when evaluated are 5, 8, 11 and 14

A sequence can be arithmetic or geometric or neither

The definition of the function is given as

a(n) = 3n + 2

The above definitions imply that we simply add 2 to the previous term to get the current term

So, we have

a(1) = 3 * 1 + 2

a(1) = 5

Next. we have

a(2) = 3 * 2 + 2

a(2) = 8

Also, we have

a(3) = 3 * 3 + 2

a(3) = 11

Lastly, we have

a(4) = 3 * 4 + 2

Evaluate the equation

a(4) = 14

Hence, the first four terms are 5, 8, 11 and 14

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Answer:

-27V + 4

Step-by-step explanation:

i think

The answer of the given question based on the interest rate the answer is  the premium paid for each subsequent year would be ¢840

A premium rate is price per unit of insurance coverage for specific risk that an insurer charges its policyholders. It is typically expressed as  percentage of  total insured value of  policy.

To calculate the premium paid for subsequent years, we need to know what the premium rate is for those years. The premium rate may change from year to year depending on various factors such as the age of the car, the driver's record, etc.

Assuming the premium rate remains constant at 8% of the insured value for all subsequent years, we can calculate the premium paid for each year as follows:

First year: 8% of ¢10,500 = ¢840

Second year: 8% of ¢10,500 = ¢840

Third year: 8% of ¢10,500 = ¢840

And so on...

So the premium paid for each subsequent year would be ¢840 if the premium rate remains constant at 8% of the insured value.

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Answer:

x=2

Step-by-step explanation:

Answer:

x=2

Step-by-step explanation:

The number of ways by using the generating functions and Binomial theorem is

There are various methods to solve the given question. Here's one way to solve it. To distribute 12 identical cookies to 4 distinct children such that all cookies are distributed and each child may receive 0, 1, 2, 3, or 4 cookies, we can use generating functions.

Let's assume that the generating function for the number of ways of distributing the 12 identical cookies to the 4 distinct children is given by:

(1 + x + x₂ + x₃ + x₄)⁴

We need to find the coefficient of x12 in the above equation. Using the Binomial theorem, the above equation can be expanded as:

(1 + x + x₂ + x₃ + x₄)⁴ ⇒ (1 + x + x₂ + x₃ + x₄)(1 + x + x₂  + x₃ + x₄)(1 + x + x₂ + x₃ + x₄)(1 + x + x₂  + x₃ + x₄)

After multiplying the above equation, we need to find the coefficient of x₁₂. The answer to the given question is as follows:

The coefficient of x₁₂ ⇒ 715 ways

Therefore, there are 715 ways to distribute the 12 identical cookies to 4 distinct children such that all cookies are distributed and each child may receive 0, 1, 2, 3, or 4 cookies.

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C(g) = 10 + 15g

C'(g) = 80

The monthly charges of Company C for using 2 Gigabyte of data usage.

Step-by-step explanation:

The cell phone plan from Company C costs $10 per month, plus $15 per gigabyte for data used. The plan from Company D costs $80 per month, with unlimited data.

Now, the monthly cost in Company C for using g gigabyte of data will be  

C(g) = 10 + 15g ........ (1)

Again, the monthly cost in Company D for using g gigabyte of data will be  

C'(g) = 80 ......... (2)

Now, from equation (1), the statement C(2) = 10 + 15 × 2 = 40, means that monthly charges of Company C for using 2 Gigabyte of data usage. (Answer)

Answer:

Step-by-step explanation:

If the value of the house has increased by 63%, it is still worth 100% of the $349,634 it was originally, but now we are adding 63% to that 100% to find the new value. Thus, 349634(1.63) = $569,903.42.  The 1.63 is 163% as a decimal, just in case.

The scale factor of the dilation of the vertices of the cone when dilated is 4.5

The area of a circle is proportional to the square of its radius. Since the base of the cone is a circle

The ratio of the areas of the base of the dilated cone to the original cone is equal to the square of the scale factor.

Let the scale factor be k. Then, we have:

(area of dilated cone's base) / (area of original cone's base) = k²

(729π) / (36π) = k²

k² = 20.25

Taking the positive square root of both sides we get:

k = 4.5

Therefore, the scale factor of the dilation is 4.5.

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Answer:

a,c,d

Step-by-step explanation:

Robert is currently 10 years old. Given that five years ago Sharon was twice as old as Robert was then, we can set up the following equation: y + 5 = 2(y)

We are given the information that Sharon is five years older than Robert, and five years ago Sharon was twice as old as Robert was then. This means we can create a system of equations to solve for Robert's age.

Let x = Robert's current age

Let y = Robert's age five years ago

Given that Sharon is five years older than Robert, we can set up the following equation:

x + 5 = Sharon's current age

Given that five years ago Sharon was twice as old as Robert was then, we can set up the following equation:

y + 5 = 2(y)

Solving the first equation for x, we get x = Sharon's current age - 5. Substituting this into the second equation, we get:

y + 5 = 2(Sharon's current age - 5)

Solving this equation for y, we get y = (Sharon's current age - 5)/2.

Since Sharon is five years older than Robert, Sharon's current age is x + 5. Substituting this into our equation for y, we get:

y = (x + 5 - 5)/2

Simplifying this equation, we get y = x/2. This means that Robert's age five years ago was half of his current age.

Since we know that Robert is currently 10 years old, Robert's age five years ago was 5. Therefore, Robert is currently 10 years old.

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Yes, the triangles ∆AOR and ∆EOD are similar. By Angle-Angle similarity rule, triangle AOR is similar to triangle EOD.

See the above figure, it consists two triangles say ∆AOR and ∆EOD. Now, we check whether both of triangles are similar or not. Similar triangles are are the triangles that have corresponding sides in ratio to each other and corresponding angles equal to each other. It's time to check the similarity property in ∆AOR and ∆EOD.

In ∆AOR, measure of angle R = 105°

In ∆EOD, measure of angle D = 35°

measure of angle DOE = 40°

Sum of interior angles of triangle = 180°

so, measure of angle E = 180° - 35° - 40°

= 105°

Now, in ∆AOR and ∆EOD,

Measure of angle R = measure of angle E = 105° ( since equal angles)

Measure of angle AOR = measure of angle EOD ( corresponding angles)

Thus, two angles of triangle EOD are congruent or equal to the corresponding angles of another triangle, AOR. So, by Angle-Angle ( AA) congruence rule, ∆AOR is similar to the ∆EOD.

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Complete question:

See the above figure, Are the triangles similar? If yes, write a similarity statement and explain how you know they are similar.