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guajiro [1.7K]
3 years ago
8

Please hurry

Mathematics
2 answers:
weqwewe [10]3 years ago
8 0

Answer:

option 2

Step-by-step explanation:

A = 2πrh + 2πr²

A = 2πr ( h + r)

2πr ( h + r) = A

h+r=\frac{A}{2\pi r}\\\\h=\frac{A}{2\pi r}-r

NNADVOKAT [17]3 years ago
4 0

Answer:

(A/2πr)  -r =h

Step-by-step explanation:

A=2πrh +2πr^2

Subtract 2 pi r^2 from each side

A-2πrh=2πrh-2πr^2 +2πr^2

A-2πr^2= 2πrh

Divide each side by 2πr

A/2πr-2πr^2 /2πr = 2πrh/2πr

(A/2πr)  -r =h

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diamong [38]

Answer:

1. 14 = 2 + 12

2. 16 = 4 + 12

3. 18 = 6 + 12

4. 20 = 8 + 12

Step-by-step explanation:

Super easy. All you do is replace the numbers in your table with the corresponding letter. In this case we have a table of s and f.

Example for row two: f = s + 12. Replace s with 4 ( 4 is from your s column so you would replace it with that) then solve and plug in your answer (When you solve your answer, it will go under f column).16 = 4 + 12 . f = 16, s = 4.

Formula = f = s + 12.

1. 14 = 2 + 12

2. 16 = 4 + 12

3. 18 = 6 + 12

4. 20 = 8 + 12

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