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Lubov Fominskaja [6]
3 years ago
8

A tutoring agency charges $20 for study materials, plus $40 an hour for tutoring. which function can be used to find the total c

ost T(h) of h hours of tutoring
Mathematics
2 answers:
maksim [4K]3 years ago
8 0

Answer:

t(h)= 40h + 20

Step-by-step explanation:

hope this helps

Brrunno [24]3 years ago
3 0

Answer:

T(h) = 20 + 40h

Step-by-step explanation:

Alright, so let's start off.

No matter how many hours a person gets tutored for, there's always the $20 as a baseline for study materials. So, the $20 MUST be included in our equation, which looks like this for now:

T(h) = 20

Every hour, $40 is added onto the expense.

For example, if a person was tutored for two hours, it would cost them $20 + 2(40) = $100.

This can be signified in the equation as

T(h) = 20 + 40h

And, that's your equation! :)

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Answer:

The equation is y= 0,65 x

If x is the price of the ticket without the coupon, and the theater offers a discount if you have a coupon, then having a coupon means that the price a person ultimately  pays (y) is  the original price (x) minus a 35% of this price: y= x -0.35 x . By association: y= (1-0.35) x and then y= 0.65 x.

The line should be in the first quadrant because the first quadrant allows you to represent a situation in which the dependent variable (y) and the independent variable (x) are both positive. This is the case in this exercise, because both prices, the one without discount (x) and the one with discount (y) are necessary positive (you can not pay a negative price!).

Step-by-step explanation:

The price without discount (or without the coupon) is x.

The price with discount (or with coupon) is y.

y and x are both related: y is a percentage of x, specifically, y is 35% smaller than x. This means that y =0.65 x.

4 0
2 years ago
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x
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