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bearhunter [10]
3 years ago
14

Estimate how many 12-inch rulers will be about the same length as a sheet of paper.

Mathematics
2 answers:
Pani-rosa [81]3 years ago
6 0
One or maybe a little less
lina2011 [118]3 years ago
5 0

Answer: About 1 ruler.

Step-by-step explanation:

By placing a ruler upon a piece of regular paper, it looks to be only a little longer (perhaps an inch longer). Therefore, I can say that only 1 ruler is needed to be about the length of a sheet of paper.

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A person can see the top of a building at an angle of 65°. The person is standing 50 ft away from
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Answer:

  (b)  112.2 ft

Step-by-step explanation:

The relevant trig relation is ...

  Tan = Opposite/Adjacent

For the given geometry, this becomes ...

  tan(65°) = (height above eye level)/(50 ft)

Then we have ...

  (height above eye level) = (50 ft)tan(65°) = 107.2 ft

Adding the height of eye level will give us the height of the building.

  building height = (eye level height) + (height above eye level)

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  building height = 112.2 ft

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Alekssandra [29.7K]

Answer:

Step-by-step explanation:

The square root of 36 is 6!

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const2013 [10]

Answer:

(x-4) (x-3) (x+3)

Step-by-step explanation:

x^3 - 4x^2 - 9x + 36

Make 2 groups

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We can factor out x^2 from the first group and -9 from the second group

x^2 (x-4)    - 9(x-4)

Now factor out (x-4)

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This may be an answer choice but we can still factor

(x^2 -9) is the difference of squares

(x^2-9) = (x-3) (x+3)

Replacing this

(x-4) (x-3) (x+3)

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