Which of the following expressions is equivalent to -9?

1 answer:

6 0

B because there is only one negative and -63 divided by 7 equals -9. If it were -7 divided by 63 that would give you an answer in decimal form.

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A Ladder that is 32 ft long leans against a building. The angle of elevation of the ladder is 70 degrees. To the nearest tenth o

kolezko [41]

See the picture attached to better understand the problem

we know that
in the right triangle ABC
sin 70°=opposite side angle 70°/hypotenuse

in this problem
opposite side angle 70°=AB
hypotenuse=AC----> 32 ft
sin 70°=AB/32------> AB=32*sin 70°-----> AB=30.07 ----> AB=30.1 ft

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Step-by-step explanation:

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Dmitry [639]

Answer:

Step-by-step explanation:

You would have to do the distributive property and thats how you get your answer.

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How do I solve #21-26?

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I'll give you the answers I'm good at these.
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21 explained
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(but use 20)
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