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marta [7]
3 years ago
11

Mr. Black bought 2 magazines for $9.95 each and 1 book for $14.95. If the sales tax is 6%, what is the total cost of Mr. Black's

purchases?
Mathematics
2 answers:
solmaris [256]3 years ago
8 0

The answer is $36.94. You add up the total purchases, multiply them by .06, then add that number to you total purchases.

miss Akunina [59]3 years ago
3 0

Answer:

$36.94

Step-by-step explanation:

Okay, so. This is what we do. There is two magazines and they cost 9.95 each multiply 9.95 times 2

9.95 x 2 = 19.90

Okay, then he buys a book for 14.95 we add 19.9. and 14.95

19.90 + 14.95 = 34.85

Then we have a sales tax of 6% we would multiply 34.85 time 6%

34.85 x 6% = 2.09

Then we would add. 34.85 + 2.09

34.85 + 2.09 = 36.94

Therefore your answer is $36.94

Hope this helps!!!

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Step-by-step explanation:

The question is incomplete. Here is the complete question.

Find the average rate of change of the area of a circle with respect to its radius r as r changes from 3 to each of the following.

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ΔA(r)/Δr = π(r₂²-r₁²)/r₂-r₁

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ΔA(r)/Δr = 0.61π/0.1

ΔA(r)/Δr = 6.1π

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A'(3) = 2π(3)

A'(3) = 6π

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