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hannaboo53
19.02.2020 •
Mathematics
A woman bought a coat for $99.95 and some gloves for $7.95. If the sales tax was 7%, how much did the purchase cost her? (Round your answer to the nearest cent.)
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Ответ:
$115.5
Step-by-step explanation:
The woman bought a coat for $99.95 and some gloves for $7.95. This means that the total amount of money that the woman would have paid for the coat without tax is
99. 95 + 7.95 = $107.9
If the sales tax was 7%, then the amount paid as sales tax would be
7/100 × 107.9 = 0.07 × 107.9 = $7.553
Therefore, the amount that she would pay to purchase the coat and the gloves is
107.9 + 7.553 = 115.453
= $115.5 rounded up to the nearest cent.
Ответ:
Hey there!!
Given :
g(x) = ax² + 24
and
g(4) = 8
g(4) = a(4)² +24
g(4) = 16a + 24
8 = 16a + 24
-16 = 16a
a = -1
The constant is -1.
g(-4) =?
g(-4) = -1(-4)² + 24
g(-4) = -16 + 24
g(-4) = 8
The answer is (A)
Hope it helps!