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Nana76 [90]
3 years ago
15

In simplest form

Mathematics
2 answers:
ElenaW [278]3 years ago
8 0

Answer:

1. C

2. B

3. B

4. C

5. A

Step-by-step explanation:

1. 2/5 times 3/7 equals 6/35 and cannot be simplified

2. 9/10 times 5/7 equals 45/70 or 9/14

3. 1/3 times 1/2 equals 1/6

4. 3/4 times 1/2 equals 3/8

5. 2/3 of 7/8 equals 7/12

laila [671]3 years ago
6 0
1) C
2) B
3) B
4) A
5) A
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Answer:

h\:=\:\:\frac{-\pi \:kr\:+\:S}{\pi \:r}

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Given the expression

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S=\pi \:r\left(h+k\right)\:

Flip the equation

\pi r\left(h+k\right)\:=\:S

Apply distributive law:  a\left(b+c\right)=ab+ac

\pi hr+\pi kr=S      

Add -πkr to both sides

\pi hr+\pi kr+\left(-\pi kr\right)=S+\left(-\pi kr\right)

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Divide both sides by πr

\pi hr\:/\:\pi r\:=\:\:\frac{-\pi \:kr\:+\:S}{\pi \:r}

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