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prisoha [69]
3 years ago
11

Mayla wrote a survey question in the newspaper about changing the school colors. 90% of those who responded in an e-mail said th

ey should be changed. She concluded that 90% of the student body wants the color to be changed. Is this conclusion valid. Explain
Mathematics
1 answer:
sukhopar [10]3 years ago
7 0

Answer: my way

Step-by-step explanation:

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Well 6 times 8 is 48 so

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What is the solution set of the quadratic equation 8x2 +2x +1 =0?
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\displaystyle\\
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x_{12}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}=\frac{-2\pm \sqrt{2^2-4\cdot 8 \cdot 1}}{2\cdot 8}=\\\\
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x_1 =   \boxed{-\frac{1}{8}+  \frac{\sqrt{7}}{8}i}\\\\
x_2 =   \boxed{-\frac{1}{8}-  \frac{\sqrt{7}}{8}i}\\\\
x_1,~x_2~\in \mathbb{C}



4 0
3 years ago
What expression is equivalent to 4 to the power of 4 times 4 to the power of -9
zvonat [6]

Answer:

idk this stuff yet

Step-by-step explanation:

4 0
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its 0 anyways lol

Step-by-step explanation:


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