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8090 [49]
3 years ago
11

The mean for a set of 5 numbers is 24. Four of the numbers 18,30,24, and 27. What is the fifth number?

Mathematics
1 answer:
ioda3 years ago
5 0

Answer:

21 it is the fifth number

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Which system of equations is represented by the matrix below? 1 5 11 4 -6-3 A. y + 5x = 11 4y - 6x = -3 B. X+ 5y = 11 4x - 6y =
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Answer: Choice B

x+5y = 11\\4x-6y = -3

=====================================

Explanation:

The given matrix is

\left[\begin{array}{cc|c}1&5&11\\4&-6&-3\end{array}\right]

The numbers to the right of the vertical bar represent the values on the right hand side of each equation in the final answer.

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Can someone help geometry is confusing
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<LMP and <NMP are supplementary angles so sum = 180

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(-16x + 13) + ( - 20x + 23) = 180

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<NMP = - 20x + 23 = - 20(-4)  + 23 = 103

Answer

<LMP  = 77°

<NMP  = 103°

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3 years ago
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