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ehidna [41]
2 years ago
8

A student spends $48 on school supplies at a store where the sales tax is 7%. What's the total cost of the supplies

Mathematics
2 answers:
likoan [24]2 years ago
8 0
51.36 would be the total cost of the supplies.
Allushta [10]2 years ago
6 0
7÷100= .07
07×48= $3.36
3.36 + 48 

The answer is 51.36
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Step-by-step explanation:

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3 years ago
5p coins weigh approximately 3 grams.
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Which is the length of the third slide of the right triangle
irina [24]

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8 0
2 years ago
What’s the answer?and how do you get it
Kay [80]

the solid is made up of 2 regular octagons, 8 sides, joined up by 8 rectangles, one on each side towards the other octagonal face.

from the figure, we can see that the apothem is 5 for the octagons, and since each side is 3 cm long, the perimeter of one octagon is 3*8 = 24.

the standing up sides are simply rectangles of 8x3.

if we can just get the area of all those ten figures, and sum them up, that'd be the area of the solid.

\bf \textit{area of a regular polygon}\\\\ A=\cfrac{1}{2}ap~~ \begin{cases} a=apothem\\ p=perimeter\\[-0.5em] \hrulefill\\ a=5\\ p=24 \end{cases}\implies A=\cfrac{1}{2}(5)(24)\implies \stackrel{\textit{just for one octagon}}{A=60} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \stackrel{\textit{two octagon's area}}{2(60)}~~+~~\stackrel{\textit{eight rectangle's area}}{8(3\cdot 8)}\implies 120+192\implies 312

7 0
3 years ago
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