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a_sh-v [17]
3 years ago
12

ANSWER ASAP

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
6 0

Answer:

12.5 pi or 39.26990

Step-by-step explanation:

First we can find the radius, which is half the diameter, 5 feet. To find the area of a semi-circle we would find the area of the circle and then divide by 2:

\frac{\pi r^2}{2}

We can substitute what we have:

\frac{25\pi }{2}

This gives us:

12.5 pi or 39.26990(Not sure what format you need it in)

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Mr. Sanchez 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. Sanch
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now find the sales tax

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add the purchases and the sales tax to get the total amount

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3 years ago
I just need some quick help with this. Distributive properties aren't my best section.
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In this case u can’t use the distributive property. U just multiple whats in the parenthesis (39•5)=195 and that’s ur answer.
Let’s say if the problem said 5(2+1) u can’t use the distributive property bc u have to do what’s in the parentheses first. 5(3)=15
But If u had a problem like 2(4x+6) then u can use the distributive property. This is bc u can’t add 4x+6 bc they aren’t like terms. So u multiple the 2 by 4x which is 8x and the 2 by 6 which is 12 then ur answer would be : 8x+12
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