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tino4ka555 [31]
3 years ago
15

Ethan earns $10 every hour for walking Ms. Barn's two dogs, plus an additional $7

Mathematics
1 answer:
MatroZZZ [7]3 years ago
3 0
H=hour
10h+7=32 would be the best equation. Hope this helps!
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In order to estimate the mean amount of time computer users spend on the internet each​ month, how many computer users must be s
Lyrx [107]

Answer:

832

Step-by-step explanation:

standard deviation =228 minute

error =13 minute given

confidence level =905% =0.90

α=1-0.90=0.1

z_\frac{\alpha }{2}=z_\frac{0.1}{2}=1.645

we know that sample size should be greater than

n\geq \left ( z_\frac{\alpha }{2}\times \frac{\sigma }{E} \right )^2

n\geq \left ( 1.645\times \frac{228}{13} \right )^{2}

n\geq 28.850^2

n\geq 832.3668

n=832

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3 years ago
HELP PLEASE! Which function had the higher average rate of change between the beginning of January and the middle of March? What
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Step-by-step explanation:

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2 years ago
The head of public safety notices that the average driving speed at a particular intersection averages μ = 35 mph with a standar
tangare [24]
The answer is C because its the only one that makes sense when you see what the question is asking you
7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%283%20%5Cfrac%7B2%7D%7B5%7D%20%20-%201%20%5Cfrac%7B3%7D%7B10%7D%20%29%20%5Cdiv%201%20%5Cfrac%
nata0808 [166]

Answer:

\frac{3}{2}

Step-by-step explanation:

[\frac{2}{5}-\frac{3}{10}+(3-1)]\div 1\frac{2}{5}\\\\=(\frac{4}{10}-\frac{3}{10}+2)\div\frac{5+2}{5}\\\\=(\frac{1}{10}+2)\div \frac{7}{5}\\\\=(\frac{2\cdot10+1}{10})\div \frac{7}{5}\\\\=\frac{21}{10}\div \frac{7}{5}\\\\=\frac{21}{10}\times \frac{5}{7}\\\\=\frac{21\cdot5}{10\cdot7}\\\\=\frac{3}{2}

7 0
3 years ago
Please help!!!!!!!!!!!!!!!!!!!1
jok3333 [9.3K]

Answer:

A

Step-by-step explanation:

1/4

8 0
3 years ago
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