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Liula [17]
4 years ago
11

The cost of renting roller blades is $4 plus $3.50 for each hour that the roller blades are rented. Write an expression to repre

sent the cost in dollars of renting roller blades for h hours?
Mathematics
1 answer:
Pavel [41]4 years ago
3 0

Answer:

The expression is equal to 3.50h+4

Step-by-step explanation:

Let

x ----> the number of hours that the roller blades are rented

y ----> the cost of renting roller blades in dollars

we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

m is the slope or unit rate of the linear equation

b is the y-intercept or initial value of the linear equation

In this problem we have

The slope is equal to

m=\$3.50\ per\ hour

The y-intercept is equal to

b=\$4 ----> value of y when the value of x is equal to zero

substitute

y=3.50x+4

For x=h hours

substitute

y=3.50h+4

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