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3 years ago

5

19. Martin wants to buy a new CD player. The

1 answer:

Alex777 [14]3 years ago

6 0

Answer:

$131.25

Step-by-step explanation:

175×0.25=43.75

175-43.75=131.25

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Nata [24]

Answer:

a) $\cos(70\degree)$

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Step-by-step explanation:

Recall that the sine and cosine are completed functions.

This means that: $\sin(x)=\cos(90-x)$

$\sin(20\degree)=\cos(90-20)$

$\sin(20\degree)=\cos(70\degree)$

Recall that: sine ratio is opposite/hypotenuse

$\sin 58=\frac{|PQ|}{15}$

This implies that:

$|PQ|=15\sin 58$

$|PQ|=15(0.848)$

$|PQ|=12.72$

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Genrish500 [490]

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2 years ago

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yawa3891 [41]

Answer:

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Step-by-step explanation:

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3 years ago

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