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3 years ago

Help me please!!!!!

Mathematics

2 answers:

g100num [7]3 years ago

7 0

It would be answer choice A (10^5) because there are 5 10s in the problem

STatiana [176]3 years ago

4 0

10^5 it's 5 10's being multipled

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How to solve. 0.05x+0.02x=4.9

vitfil [10]

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3 years ago

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10+6b+8b simplified

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10+16b

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4 years ago

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3 years ago

What is the slope-intercept of 5x-y=-36

Mars2501 [29]

Answer:

y=36+5x

Step-by-step explanation:

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4 years ago

The U.S. Energy Information Administration (US EIA) reported that the average price for a gallon of regular gasoline is $2.94. T

Galina-37 [17]

Answer:

The answer is "16, 43, and 96".

Step-by-step explanation:

Given:

$\sigma = 0.20\\\\c = 95\% = 0.95\\\\\therefore \alpha = 1- c = 1- 0.95 = 0.05\\\\\therefore \frac{\alpha}{2} = 0.025\\\\$

Using Z table:

$\therefore Z_{\frac{\alpha}{2}} = 1.96\\\\$

For point a:

$E = 0.10\\\\n=(\frac{Z_{\frac{\alpha}{2} \times \sigma}}{E})^2$

$= (\frac{(1.96\times 0.20)}{0.10})^2\\\\= 15.3664 \approx 16$

so, The Sample size (n) = 16

For point b:

$E = 0.06\\\\n=(\frac{Z_{\frac{\alpha}{2} \times \sigma}}{E})^2$

$= (\frac{(1.96\times 0.20)}{0.06})^2\\\\= 42.6844444444\approx 43$

For point c:

$E = 0.04\\\\n=(\frac{Z_{\frac{\alpha}{2} \times \sigma}}{E})^2$

$= (\frac{(1.96\times 0.20)}{0.04})^2\\\\= 96.04\approx 96$

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3 years ago