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Mice21 [21]
3 years ago
14

What relationship do the ratios of sin x° and cos y° share?

Mathematics
1 answer:
puteri [66]3 years ago
8 0

Answer:

The ratios are both identical (3/5 and 3/5).

Step-by-step explanation:

sin x° is equivalent to O/H, or the opposite/hypotenuse sides of the triangle. Therefore:

sin x° = 3/5.

cos y° is equivalent to A/H, or the adjacent/hypotenuse sides of the triangle.

cos y° = 3/5.

\frac{3}{5} =\frac{3}{5}

The ratios are identical.

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Answer:

1. Null hypotheses: p=0.49

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Step-by-step explanation:

1.

We have to writer the hypotheses for testing the proportion has increased from 49%. So, the population proportion that is to be tested is 0.49.

As we already know that the null hypotheses always contain equality so,

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Here, x=77 and n=135. So,

p=77/135=0.5704 or 57.04%

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