3 years ago

How do I solve 3^(2x-1) = 5x using logarithms?

Mathematics

1 answer:

mrs_skeptik [129]3 years ago

7 0

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A- 12.5

Step-by-step explanation:

(I used the formula a.bc X de = f X g = ft of car)

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2 years ago

What is -n+8+n=-8n+8n-8

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-n+8+n=-8n+8n-8
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I need an explanation for this PLEASEE!

SashulF [63]

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4)Y axis :X=0

5)A:2units B:4 units C:7units D:7units

A':2units B':4units C':7units D':7units

6)They are correspondingly the same

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A'(-2;1) B'(-4;4) C'(-7;4) D(-7;1)

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3 years ago

A survey of 102 high school students on the amount of money they spend on prom yields an average of $893. Assuming the populatio

Mnenie [13.5K]

Answer:

Margin of error $=E=[69]$

Step-by-step explanation:

Data provided in the question:

$\bar{x}=\$\ 893$

$\sigma=\$\ 450$

$n=102$

At $88 \%$ confidence level the $z$ is.

$\alpha=1-88 \%=1-0.88=0.12$

$\frac{\alpha}{2}=\frac{0.12}{2}=0.06$

$z_{\frac \alpha 2}=20.06=1.555$

$\text { Margin of error }=E=Z_{\frac \alpha 2} \times \frac{\sigma}{\sqrt{n}}$

$E=1.555 \times \frac{450}{\sqrt{102}}$

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3 years ago