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ryzh [129]
3 years ago
5

Find the area of an 11-gon with side length 5 inches.

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
5 0

Answer:

234.141

Step-by-step explanation:

The formula is \frac{11}{4}  *(s)^2*cot(\frac{\pi }{11}). If you substitute 5 in, you get \frac{275}{4} *cot(\pi /11) or 234.141

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A quadrilateral WXYZ contains wxy where measure of wxy=92 degrees. Once rotated 270° about the origin and translated 2 units up,
Marianna [84]

Answer:

C. 92 degrees

Step-by-step explanation:

Given that the \angle{wxy}=92° which is one of the angles of the quadrilateral WXYZ

The quadrilateral is first rotated by 270° about the origin and then translated 2 units up, the new position of the quadrilateral is W'X'Y'Z'.

The shape of the quadrilateral is remained unchanged due to rotation and translation, so all the angles of the final quadrilateral W'X'Y'Z' is the same as the angles of the given quadrilateral WXYZ.

So,\angle{w'x'y'}= \angle{wxy}

By using the given value,

\angle{w'x'y'}= 92°

Hence, option (C) is correct.

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3 years ago
Suppose three marksmen shoot at a target. The ith marksman fires ni times, hitting the target each time with probability Pi, ind
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Answer:

Distribution is NOT binomial.

Step-by-step explanation:

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In this case, the distribution would only be binomial if Pi was the same for every "ith" marksman.

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