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Juliette [100K]
3 years ago
15

State 7m to 250cm as a ratio in its lowest terms

Mathematics
1 answer:
madam [21]3 years ago
3 0
First you have to convert the numbers to the same units.  Either m to cm or cm to m.
To go from meters to centimeters you multiply the number by 100.
7*100=700cm
Now you have 700cm/250cm.  This needs simplified
I divided each number by 50 to get 14 and 5
14cm/5cm or 14cm:5cm
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X-3=10 does anyone know this
vovikov84 [41]

Answer:

Are you trying to solve for x?

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just kick the 3 to the other side, so a negative 3 would become a positive 3:

x= 10 + 3

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5 0
3 years ago
In a random sample of fivefive microwave​ ovens, the mean repair cost was ​$75.0075.00 and the standard deviation was ​$13.0013.
Radda [10]
<h2>Answer with explanation:</h2>

As per given , we have

Sample size : n= 5

Degree pf freedom = : df= 5-1=4

\mu=\$75.00

\sigma=\$13.00

Significance level for 90% confidence = \alpha=1-0.90=0.1

Using t-value table , t-critical value for 90% confidence:

t_{\alpha/2, df}=t_{0.05, 4}=2.132.

Margin of error of \mu: E=t_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}\\\\(2.132)\dfrac{13}{\sqrt{5}}=12.3949720129\approx12.39

Interpretation : The repair cost will be within $12.39 of the real population mean value \mu 90% of the time.

7 0
3 years ago
Dan made 8 out of 10 free throws. What is the experimental probability that he will not make his next free throw? What is the th
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Answer:

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You are multiplying 975 by 0.034
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