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kumpel [21]
2 years ago
9

a commonly accepted angle of elevation for a safe, accessible wheelchair ramp is 4.4 degrees. The public library's main door is

0.9 m above street level. what will be the run of this ramp
Mathematics
1 answer:
inna [77]2 years ago
7 0

Answer:

11.7 m

Step-by-step explanation:

x = 0.9/tan4.4 = 11.69654

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kozerog [31]
I believe the answer is C. If you were to plug in 1 for t, you would get h=22. Thus, the max height is 22 feet, and the time it took to get there was 1 second.
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3 years ago
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Robin is 11 years old. Her mother, Gwen, is 2 years more than 3 times Robins age. How old is Gwen?
Julli [10]

Answer:

35

Step-by-step explanation:

11 × 3 = 33

+ 2 = 35

Robin is 11 (11)

Gwen is 2 years (+2) more than 3 times (×3) Robins age

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3 years ago
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The radius of a circle is 15. Using π, which equation expresses the ratio of the circumference to the diameter of a circle?
Kobotan [32]

Answer:

The equation which expresses the ratio of the circumference to the diameter of a circle is  \frac{C}{30}=\pi ⇒ D

Step-by-step explanation:

π is the ratio between the circumference of the circle and the length of its diameter

\frac{C}{d}=\pi , where

  • C is the circumference of the circle
  • d is the diameter of the circle

∵ The circumference of the circle is C

∵ The radius of the circle is 15 units

∴ r = 15 units

- Find the diameter of the circle

∵ The diameter of the circle d = 2 r

∴ d = 2(15) = 30 units

∴ The diameter of the circle is 30 units

∵ \frac{C}{d}=\pi

∵ d = 30 units

∴ \frac{C}{30}=\pi

The equation which expresses the ratio of the circumference to the diameter of a circle is  \frac{C}{30}=\pi

6 0
3 years ago
What can 12 and 7 go into
grandymaker [24]
The only possibility would be 1
5 0
3 years ago
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Marianna [84]

Answer:

B

Step-by-step explanation:

The answer is B as this is a simple ration question.

All you need to do is convert the question into ration fraction form:

24/60 =x/1990

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Do cross multiply on both sides and you will get 47760=60x.

x= 796.

Thus, you get your answer.

8 0
2 years ago
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