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bezimeni [28]
3 years ago
14

Log base 8 of 8 ^x+1

Mathematics
1 answer:
____ [38]3 years ago
6 0

Answer:

x + 1

Step-by-step explanation:

log(x) is the inverse function of an exponent. "log base 8 of xyz" means "what number do I have to raise 8 to, to get xyz". In this case, it means, "what number do I have to raise 8 to, to get x + 1". That's simple, it's just x + 1!

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Answer: z =2.39

Step-by-step explanation:

Given :

H_0: p \leq0.23\\\\ H_a: p > 0.23

A random sample of 136 households found that 43 consisted of one person.

i.e. Sample size : n= 136

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Test statistic for proportion :-

z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

\Rightarrow z=\dfrac{0.3162-0.23}{\sqrt{\dfrac{0.23(1-0.23)}{136}}}\\\\\Rightarrow\ z=\dfrac{0.0862}{\sqrt{0.00130220588235}}\\\\\Rightarrow\ z=\dfrac{0.0862}{0.0360860898734}\\\\=2.38873206552\approx2.39

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5 0
3 years ago
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Afina-wow [57]
Good question

It seems that it needs to solve for "h"

Right....


<span>A=bh/2      *2
2A = bh      </span>÷b
2A/b = h

h=\frac{2A}{b}


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Gre4nikov [31]
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vampirchik [111]

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