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Blizzard [7]
2 years ago
13

The Teddy Bear Parade makes teddy bears. Their monthly fixed costs are $550. It costs $25 to make each bear and they sell for $5

0 each.
10. To make a profit of $750, how many teddy bears must be sold?

65

52

45

38

61
Mathematics
1 answer:
ki77a [65]2 years ago
4 0

Answer:

52

Hope I helped

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It is an identity, proved below.

Step-by-step explanation:

I assume you want to prove the identity. There are several ways to prove the identity but here I will prove using one of method.

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\displaystyle \large{1+\frac{1}{(\frac{\sin x}{\cos x})^2}=\frac{1}{\sin^2x}}\\\displaystyle \large{1+\frac{1}{\frac{\sin^2x}{\cos^2x}}=\frac{1}{\sin^2x}}\\\displaystyle \large{1+\frac{\cos^2x}{\sin^2x}=\frac{1}{\sin^2x}}

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Another identity:

\displaystyle \large{\sin^2x+\cos^2x=1}

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