4 years ago

Use a calculator to evaluate cot π/5.

1 answer:

7 0

Pi divided by five is roughly .63. I say "roughly" because pi is infinitely long so it's impossible to get an exact answer, but a common pi length would be 3.14159.

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Find mEC. 5x - 27) (2x - 5) D

UNO [17]

Answer:

Arc EC = 58°

Step-by-step explanation:

First, find the value of x.

m<D = ½(arc EC) => Inscribed Angles Theorem

Substitute

2x - 5 = ½(5x - 27)

Multiply both sides by 2

2(2x - 5) = 5x - 27

4x - 10 = 5x - 27

Collect like terms

4x - 5x = 10 - 27

-x = -17

Divide both sides by -1

x = 17

Find arc EC:

Arc EC = 5x - 27

Plug in the value of x

Arc EC = 5(17) - 27 = 85 - 27

Arc EC = 58°

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3 years ago

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ahrayia [7]

6 x 11= 66
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67/6 = 11
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Answer: x=13

Step-by-step explanation:

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SVETLANKA909090 [29]

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Which statement is true about the rectangles shown? They have the same area and perimeter. They have the same perimeter but diff

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Answer:

They have the same perimeter but different areas.

Step-by-step explanation:

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But 7+7+4+4 is 22 and 9+9+2+2 is also 22

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