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3 years ago

2m + 7m + 3m = 72 whats the answer step by step

Mathematics

2 answers:

gregori [183]3 years ago

6 0

Answer:

m = 6

Step-by-step explanation:

2 m + 7 m + 3 m = 72

12 m = 72

$\sf \small\: m \: = \frac{72}{12} \\$

m = 6

Hence, your answer is 6.

Korolek [52]3 years ago

5 0

Answer:

m = 6

Step-by-step explanation:

First, add like terms:

2m + 7m + 3m = 72

12m = 72

Divide each side by 12:

m = 6

So, the answer is m = 6

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3 years ago

Read 2 more answers

A poll asked the question, "What do you think is the most important problem facing this country today?" Twenty percent of the re

kiruha [24]

Answer: (16%, 24%)

Step-by-step explanation:

The confidence interval for proportion is given by :-

$p\pm E$

Given : Significance level : $\alpha=1-0.95=0.05$

The proportion of the respondents answered "crime and violence." : p=0.20

Margin of sampling error : $E=\pm0.04$

Now, the 95% confidence interval for the proportion of the population that would respond "crime and violence" to the question asked by the pollsters is given by :-

$0.20\pm 0.04\\\\=0.20-0.04,\ 0.20+0.04\approx(0.16,0.24)$

In percentage, $(16\%,24\%)$

Hence, the 95% confidence interval for the percentage of the population that would respond "crime and violence" to the question asked by the pollsters =(16%, 24%)

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4 years ago