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Inga [223]
3 years ago
9

The tax rate as a percent, r, charged on an item can be determined using the formula – 1 = r, where c is the final cost of the i

tem and p is the price of the item before tax. Louise rewrites the equation to solve for the final cost of the item: c = p(1 + ). What is the final cost of a $40 item after an 8% tax is applied?

Mathematics
2 answers:
Vladimir [108]3 years ago
5 0
Sent a picture of the solution to the problem (s).

klio [65]3 years ago
4 0

Answer:$43.20

Step-by-step explanation:

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Answer:

The tax amount is 15.17$

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Step-by-step explanation:

First we subtract the cost from the selling price.

137.17 - 122 = 15.17

We have found the tax amount, now for the tax rate.

If tax rate is x, then

122 * x = 137.17

Divide both sides by 122 to get

x = 137.17/122 = 1.124, or .124.

Then convert into percentage by moving the decimal to the right 2 times.

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Hope this helps you

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Step-by-step explanation:

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2 years ago
Find the range of the following piecewise function.
mash [69]

Answer:

\huge\boxed{[-5;\ -2)\ \cup\ [3;\ 13)}

Step-by-step explanation:

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Substitute x =0and x = 5:

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Range of this piece is [3; 13)

Therefore the range of the following piecewise function is:

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Look at the picture.

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