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Serjik [45]
3 years ago
6

Solve S = 2tr(h + r) for h.

Mathematics
1 answer:
Ivanshal [37]3 years ago
4 0

Answer:

7h

Step-by-step explanation:

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3 years ago
How many pounds of a 23% zinc alloy must be mixed with a 42% zinc alloy to make 516 pounds of a 37.25% zinc alloy?
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Answer:

(A)129 Pounds

Step-by-step explanation:

Let x be the number of 23% zink alloy

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0.23x+0.42(516-x)=0.3725*516

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Colect like terms

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