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madam [21]
3 years ago
8

One exterior angle of a regular polygon measures 30 degrees. How many sides does the polygon have?

Mathematics
1 answer:
wolverine [178]3 years ago
5 0
360/30 = 12 sides. the exterior angles of ANY polygon has a sum of 360 degrees
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Please help me answer the question 9 though 10
olchik [2.2K]

Answer:

9) slope of AC = slope of FH

Equation of the line is y = - x + 5

10) Area = 320

Step-by-step explanation:

For 9, the only thing similar IS the slope of the hypotenuse because the triangles are along the same line. Unless they're asking for the equation of the line, then that's just using the point slope equation which is:

y = - x + 5

For 10, just multiply 4 and 5 by 4 to get 16 and 20. Then multiply 16 and 20 to get 320.

8 0
2 years ago
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Bogdan [553]
The answer is C. I hope this helps you.
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A new sidewalk will be 6 feet wide, 260 feet long, and filled to a depth of inches (0.75 foot) with concrete. How many cubic yar
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Alik [6]

Answer:

D. The work shown above is correct, and y^5\sqrt[4]{y^3} may not be simplified further.

Step-by-step explanation:

If you add all the exponents of y in first line then we get

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Which is same as the exponent in original problem.

So first line is good.

Since it is 4th root so each y^4 will turn into y when it moves out of the radical so final answer is correct.

Hence correct choice is "D. The work shown above is correct, and y^5\sqrt[4]{y^3} may not be simplified further." is the correct answer.

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