If 2 equations have the same y-intercept, they are overlapping, which means they have infinite solutions. So there is no way that 2 equations with the same y-intercept will have no solution. Thus your answer is: C)Never.

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3 years ago

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The yearbook committee polled 80 randomly selected students from a class of 320 ninth graders to see if they would be willing to

jek_recluse [69]

Answer:

The margin of error is given below:

$E=z \times \sqrt{\frac{\hat{p}(1-\hat{p}}{n} }$

Where:

$\hat{p}=\frac{26}{80}=0.325$

$\therefore E = z \times \sqrt{\frac{0.325(1-0.325}{80} }$

$=z \times 0.0523659$

Therefore, the option E = z*6% is correct as it closest to the given answer

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3 years ago

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Rearrange the formula V = 2πr/T for r.

Zielflug [23.3K]

$V =\dfrac{2\pi r}{T}\quad|\cdot T\\\\\\TV=2\pi r\quad|:2\pi\\\\\\\boxed{\dfrac{TV}{2\pi}=r}$

Answer D.

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What is -3 (5a + 2 + 3c) simplified?​

What is -3 (5a + 2 + 3c) simplified?