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Tpy6a [65]
3 years ago
9

A graph has time (hours) on the x-axis and Total costs (dollars) on the y-axis. Points are at (4, 52), (5, 60), (6, 68) and (7,

76). The graph shows the charges of an instructor. The instructor charges an initial fee and then an hourly rate for private lessons. Determine the instructor's hourly charge from the graph. What is the hourly charge? $1.00 $4.00 $7.00 $8.00
Mathematics
2 answers:
Goryan [66]3 years ago
8 0

Answer:

$8.00

Step-by-step explanation:

60-52=8

5-4=1

8/1=8

tatuchka [14]3 years ago
5 0

Answer:

$8.00

Step-by-step explanation:

.

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The bottom of a rectangular swimming pool has an area of 150 square meters and a perimeter of 50 meters. What are the dimensions
AysviL [449]

The  dimensions of the pool is 15m by10m

<h3>Area and perimeter of rectangle</h3>

A pool is rectangular in nature. If a rectangular swimming pool has an area of 150 square meters and a perimeter of 50 meters, then;

lw = 150

2(l+w) = 50

l + w = 25

where

l is the length

w is the width

From the equation 3

l = 25 - w

Substitute into 1

(25-w)w = 150
25w-w² = 150
w²-25w+150 = 0
w²-10w-15w+150 = 0

Factor

w(w-10)-15(w-10) = 0

w = 10 and 15

l = 150/10 = 15

Hence the  dimensions of the pool is 15m by10m

Learn more on dimension here: brainly.com/question/26740257

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1 year ago
The radius of a semicircle is 3 centimeters. What is the semicircle's diameter?​
Aliun [14]

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3 years ago
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A baker charges $30 for each batch of cupcakes she makes. She adds $0.09 for each frosting flower. Write an expression to repres
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Answer:

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