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inn [45]
3 years ago
6

PLEASE HELP

Mathematics
2 answers:
Kipish [7]3 years ago
4 0

Answer:

5.2 ft

Step-by-step explanation:

\cos 30 \degree =  \frac{6}{length \: of \: platform}  \\  \\  \frac{ \sqrt{3} }{2} =  \frac{6}{length \: of \: platform}  \\  \\ length \: of \: platform  = \frac{2 \times 6}{ \sqrt{3} }  \\  \\ length \: of \: platform  = \frac{12\sqrt{3} }{ 3}  \\  \\ length \: of \: platform  =4 \sqrt{3}  \\  \\ length \: of \: platform  =4 \times 1.732 \\  \\  length \: of \: platform = 5.228 \\  \\ length \: of \: platform  = 5.2 \: ft

UkoKoshka [18]3 years ago
3 0

Answer:

really easy its 180

Step-by-step explanation:

because you multiply 30 times 6 u get 180

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Find the arc length of the partial circle.
Kay [80]

Answer:

12.42 units

Step by step explanation:

Given,

length of the radius = 2 units

Therefore, arc length of the complete circle = 2 × 3.14 × 2 units = 12.56 units

Therefore, arc length of the partial circle = 3/4 × 12.56 units

= 12.42 units

3 0
3 years ago
What is the length of the unknown leg in the right triangle?<br> 22<br> 32<br> 104<br> 194
Rus_ich [418]

Answer:

Your answer would be B.

Step-by-step explanation:

a^2 + 9^2 = 113^2

Solve exponents.

A^2 + 81 = 113

Subtract 81 from each side.

A^2 = 32.

Square root each side.

A = 32

Hope this helps & good luck!

Feel free to message me if you need more help! :)

7 0
3 years ago
Evaluate 3a for a = 5
zhannawk [14.2K]

Answer:

Hello There!!

Step-by-step explanation:

The answer is 15 as 3a=3×a so 3×5=15.

hope this helps,have a great day!!

~Pinky~

7 0
2 years ago
Plz help me!!!
alexira [117]

Answer:

i guess the correct answer is A. 2

6 0
3 years ago
I’m confused on this one
lukranit [14]

A to F = 7, because 19 - 12 = 7. B to F is the diameter of circle A, and A to F is the radius, so since diameter is two times the radius, you do 7 * 2 = 14.

5 0
3 years ago
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