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kirza4 [7]
3 years ago
9

The final cost of a book store purchase with a $5 coupon in a state that charges 8% sales tax is given by the expression 1.08(x-

5). The variable x represents the amount of the purchase before the sales tax and the coupon is applied. What does (x-5) represent?
A)the rate at which the total cost increases
B) the total charge after tax
C) the cost before applying the coupon
D) the total charge before applying sales tax
Mathematics
1 answer:
Phoenix [80]3 years ago
7 0

We are given an expression : 1.08(x-5).

Given that sales tax = 8%

And a discount coupon = $5.

The variable x represents the amount of the purchase before the sales tax and the coupon is applied.

So, the cost after applying coupon of $5 in original cost $x would be (x-5).

<h3>Therefore,  (x-5) represent D) the total charge before applying sales tax.</h3>
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The probability that a point chosen at random lies in the shaded region is 0.28

<h3>Calculating the area of a shaded region and probability</h3>

From the question, we are to find the probability that a point chosen at random lies in the shaded region.

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The probability that a point chosen at random lies in the shaded region = Area of the triangle / Area of the circle

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