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erastova [34]
3 years ago
7

Marta is solving the equation S = 2πrh + 2πr^2 for h. Which should be the result?

Mathematics
2 answers:
stiks02 [169]3 years ago
8 0

Answer:

Lette answer is A

Step-by-step explanation:

olga_2 [115]3 years ago
7 0

Answer:

h = \frac{S}{2πr} - r


Step-by-step explanation:

The question requires you to make h the subject of the formula.

S = 2πrh + 2πr²

subtract 2πr² on both sides.

S - 2πr² = 2πrh - 2πr² -  2πr²

S - 2πr² = 2πrh

Dividing both sides by  2πr

(S -  2πr²)/2πr =  2πrh/ 2πr

h = \frac{S}{2πr} - r


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