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Genrish500 [490]
4 years ago
10

Solve for m. 1/3m = 12-m

Mathematics
2 answers:
jenyasd209 [6]4 years ago
7 0

Answer:

The value of m is 9.

Step-by-step explanation:

Consider the provided equation.  

\frac{1}{3}m = 12-m

Solve the equation for m.

Multiply both the sides by 3.

\frac{1}{3}m\times 3 = 3(12-m)

m= 36-3m

Add 3m to the both side.

m+3m= 36-3m+3m

4m= 36

Divide both the sides by 4.

\frac{4m}{4}=\frac{36}{4}

m=9

Hence the value of m is 9.

pantera1 [17]4 years ago
4 0
<span>1/3m = 12-m
1/3m+m=</span>12
2m=12/(1/3)
2m=36
m=18
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Answer:

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Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

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This is the pvalue of Z when X = 220 subtracted by the pvalue of Z when X = 170.

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