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Zolol [24]
3 years ago
15

Use the table shown in the image! 1. Which equation expresses “y” in terms of “x”? A. y=17x B. y=25x C. x=51y D. x=85y 2. What i

s the charge for renting a machine for 3.5 hours? A. $51.50 B. $59.50 C. $65.50 D. $86.50
Please include all work!

Mathematics
2 answers:
34kurt3 years ago
5 0
2. $59.50 I think im not sure
levacccp [35]3 years ago
3 0

Answer:  1. A. y=17x

2.  $59.50

Step-by-step explanation:

1. In the table , it can be seen that as x increases y increases with the proportionality constant k = \dfrac{y}{x}=\dfrac{51}{3}=\dfrac{85}{5}=\dfrac{119}{7}=17,.

Equation of direct variation between  x and y : y=kx

Put k= 17 , we get

y=17x , which is the required equation.

So correct option is "A".

2. To find : The charge for renting a machine for 3.5 hours.

Put x= 3.5 in above equation , we get

y=17(3.5)=59.5

Hence, the  charge for renting a machine for 3.5 hours is $59.50.

So correct option is "B".

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