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Mademuasel [1]
3 years ago
8

Amanda works a Monday through Friday work week at the rate of $11.50 per hour. She takes a 1-hour lunch break. If she clocks in

each day at 8:45 am and leaves at 5:15 pm, what is her total pay for the week?
Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
3 0

Answer: $603.75  per week

Explanation: 11.50 / 60 minutes = 0.19166666666

                      0.19166666666  x 450 minutes = 86.249999997

                      86.249999997  x 7 days = 603.749999979

                      If you round 603.749999979  to  the nearest hundredth, you        

                      get 603.75.

                      Therefore, Amanda made $603.75 that week.

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A basketball player stands near the middle of the court and throws the ball toward the basket.
kompoz [17]

Answer:

A function to represent the height of the ball in terms of its distance from the player's hands is y=\frac{-1}{54}(x-18)^2+12

Step-by-step explanation:

General equation of parabola in vertex form y= a(x-h)^2+k

y represents the height

x represents horizontal distance

(h,k) is the coordinates of vertex of parabola

We are given that The  ball travels to a maximum height of 12 feet when it is a horizontal distance of 18 feet from the player's hands.

So,(h,k)=(18,12)

Substitute the value in equation

y=a(x-18)^2+12  ---1

The ball leaves the player's hands at a height of 6 feet above the ground and the distance at this time is 0

So, y = 6

So,6=a(0-18)^2+12

6=324a+12

-6=324a

\frac{-6}{324}=a

\frac{-1}{54}=a

Substitute the value in 1

So,y=\frac{-1}{54}(x-18)^2+12

Hence a function to represent the height of the ball in terms of its distance from the player's hands is y=\frac{-1}{54}(x-18)^2+12

8 0
3 years ago
100 decreased by a<br> number k equals 44
Arte-miy333 [17]

Answer:

56

Step-by-step explanation:

3 0
3 years ago
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How to solve a polynomial function
jolli1 [7]
1. A polynomial function is a function that can be written in the form f(x)=anxn +an−1xn−1 +an−2xn−2 +...+a2x2 +a1x+a0, where each a0, a1, etc. represents a real number, and where n is a natural number Here are the steps required for Solving Polynomials by Factoring:

Step 1: Write the equation in the correct form. To be in the correct form, you must remove all parentheses from each side of the equation by distributing, combine all like terms, and finally set the equation equal to zero with the terms written in descending order.
Step 2: Use a factoring strategies to factor the problem.
Step 3: Use the Zero Product Property and set each factor containing a variable equal to zero.
Step 4: Solve each factor that was set equal to zero by getting the x on one side and the answer on the other side.
Example 1 – Solve: 3x3 = 12x

Step 1: Write the equation in the correct form. In this case, we need to set the equation equal to zero with the terms written in descending order.
Step 1
Step 2: Use a factoring strategies to factor the problem.
Step 2
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Step 3
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Step 4
Example 2 – Solve: x3 + 5x2 = 9x + 45

Step 1: Write the equation in the correct form. In this case, we need to set the equation equal to zero with the terms written in descending order.
Step 1
Step 2: Use a factoring strategies to factor the problem.
Step 2
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Step 3
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Example 3 – Solve: 6x3 – 16x = 4x2

Step 1: Write the equation in the correct form. In this case, we need to set the equation equal to zero with the terms written in descending order.
Step 1
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Example 4 – Solve: 3x2(3x + 4) = 12x(x + 3)

Step 1: Write the equation in the correct form. In this case, we need to remove all parentheses by distributing and set the equation equal to zero with the terms written in descending order.
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7 0
3 years ago
In Exercises 5-8, find the perimeter and area of the polygon with the given vertices.
castortr0y [4]

Check the picture below.

as  we can see in the picture, the lengths for YZ and ZX are very straight, let's get the side YX

~~~~~~~~~~~~\textit{distance between 2 points} \\\\ Y(\stackrel{x_1}{0}~,~\stackrel{y_1}{-2})\qquad X(\stackrel{x_2}{2}~,~\stackrel{y_2}{4})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ YX=\sqrt{[2 - 0]^2 + [4 - (-2)]^2}\implies YX=\sqrt{2^2+(4+2)^2} \\\\\\ YX=\sqrt{4+6^2}\implies YX=\sqrt{40} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{\Large Perimeter}}{2~~+~~6~~+~~\sqrt{40}~~\approx~~14.32} ~\hfill \stackrel{\textit{\Large Area}}{\cfrac{1}{2}(2)(6)\implies 6}

4 0
2 years ago
F( x) = 3 x + 2 and g( x) = 2 x + 5. Find f ∘ g(5)<br><br> Please show your work
kolbaska11 [484]

Answer:

f ∘ g(5) = 47

Step-by-step explanation:

We are given the following functions:

f(x) = 3x + 2, g(x) = 2x + 5

Composite function:

The problem asks their composite function at x = 5. So

f \circ g = f(g(x)) = f(2x + 5) = 3(2x + 5) + 2 = 6x + 15 + 2 = 6x + 17

f(g(5)) = 6(5) + 17 = 30 + 17 = 47

We have that f ∘ g(5) = 47

4 0
3 years ago
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