3 years ago

What is the answer???????

Mathematics

2 answers:

alexira [117]3 years ago

7 0

*sings* I believe that love is the answer! I believe that love will find a way!

Crank3 years ago

6 0

Y=8x-5, because you put only y by it self.

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kozerog [31]

Answer: n=4

Step-by-step explanation:

$\left(-9\right)-9n=\left(-45\right)$

add 9 to both sides

$-9-9n+9=-45+9$

$-9n=-36$

divide both sides by -9

$n=4$

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3 years ago

uppose germination periods, in days, for grass seed are normally distributed and have a known population standard deviation of 2

natka813 [3]

Answer: 0.701

Step-by-step explanation:

Formula : $EBM =z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}$ , where $\alpha=$ significance level , $\sigma =$ Population standard deviation, n= sample size.

As per given, n= 22

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Critical z- value for 90% confidence level : $z_{\alpha/2}=1.645$

Then,

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kumpel [21]

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