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german
3 years ago
14

What equation is equal to logx36=2 ? A.2x=36 B.x2=36 C.36x=2 D.x2=362

Mathematics
1 answer:
Brut [27]3 years ago
6 0
The answer is B. I hope this helped.

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Rainbow [258]

Answer: z= -2.35

Step-by-step explanation:

When the population variation is know, then we calculate the z-statistic.

Formula to calculate the z-test statistic is given by :-

z=\dfrac{\overline{x}-\mu}{\dfrac{s}{\sqrt{n}}}

where , n= sample size

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\mu = Population mean

\sigma =Population standard deviation.

As per given we have,

n= 270

\mu= 108

\overline{x}=107

\sigma^2=49\\\\\Rightarrow \sigma=\sqrt{49}=7

Then, z-statistic  will be

z=\dfrac{107-108}{\dfrac{7}{\sqrt{270}}}    (Substitute all the values )

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Hence, the value of the test statistic= z= -2.35

4 0
3 years ago
20 POINTS AND WILL MARK BRAINLIEST
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Dan815 says:

548 5/8 are 7th grade = 5/8*548=#nmber of 7th graders in total 3/8th are 8th graders = 3/8 *548=#of 8th graders in total 4/5 of Total 7th graders = 4/5*5/8*548 7/8 of total 8th graders = 7/8*3/8*548

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Answer:

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Step-by-step explanation:

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3 years ago
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