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Vesnalui [34]
3 years ago
9

13 Use the given angle to find the missing angles 109 pleaseee before Monday ​

Mathematics
1 answer:
iogann1982 [59]3 years ago
5 0

Answer:

here

Step-by-step explanation:

hope this helps:)

ITS ABOUT ALTERNATIVE ANGLES

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For problem one 
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8 0
2 years ago
A study has indicated that the sample size necessary to estimate the average electricity use by residential customers of a large
Zanzabum

Answer:

\sigma=547.1125

Step-by-step explanation:

-The margin of error is calculated using the formula:

ME=z_{\alpha/2}\times \frac{\sigma}{\sqrt{n}}\\\\

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ME=z_{\alpha/2}\times \frac{\sigma}{\sqrt{n}}\\\\\\30=1.645\times\frac{\sigma}{\sqrt{900}}\\\\\sigma=\frac{30^2}{1.645}\\\\=547.1125

Hence, the population standard deviation is 547.1125

7 0
3 years ago
Solve for x: 1 over 4 (2x − 14) = 4. 15 15 over 2 9 11
zloy xaker [14]
1/4(2x - 14) = 4....multiply both sides by 4
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x = 30/2
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3 0
2 years ago
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What is the range of the function f(x) = 3x^2 + 6x - 8?
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