Carlosruelas2824
01.08.2019 •
Mathematics
Dorothy made a skateboard ramp that is 4 feet high and has a base 16 feet long. the angle of elevation of the ramp is approximately (blank)°. a. 3 b. 14 c. 20 d. 25
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Ответ:
Tanx = (4) / (16) = 0.25
Clearing x we have
x = ATAN (0.25)
x = 14
The angle of the ramp is 14 degrees.
Ответ:
Step-by-step explanation:
-18, -13, -8, -3, ...
The common difference:
-13 - (-18) = -13 + 18 = 5
-8 - (-13) = -8 + 13 = 5
-3 - (-8) = -3 + 8 = 5
CORRECT :)
It's an arithmetic sequence.
Next terms:
-3 + 5 = 2
2 + 5 =7
7 + 5 = 12