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eimsori [14]
3 years ago
13

Solve the following proportions using the multiplication property of equality. 2/3=h/50

Mathematics
2 answers:
qwelly [4]3 years ago
6 0

Answer:

100/3 = h

Step-by-step explanation:

andriy [413]3 years ago
4 0

Answer:

100/3 = h

Step-by-step explanation:

2/3 = h/50

Multiply each side by 50 to isolate h

50 *2/3 = h/50*50

100/3 = h

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Can someone help me understant this proof?​
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Read 2 more answers
Your local school board wants to determine the proportion of people who plan on voting for the school levy in the upcoming elect
monitta

Answer:

The p-value for the one-sided Hypothesis test described in this example is 0.3121.

Step-by-step explanation:

Test the hypothesis that more than 50% of people plan on voting for the levy.

At the null hypothesis, we test that the proportion is 50%, that is:

H_0: p = 0.5

At the alternate hypothesis, we test if this proportion is above 50%, that is:

H_a: p > 0.5

The test statistic is:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

In which X is the sample mean, \mu is the value tested at the null hypothesis, \sigma is the standard deviation and n is the size of the sample.

0.5 is tested at the null hypothesis:

This means that \mu = 0.5, \sigma = \sqrt{0.5*0.5} = 0.5

Of these 150 respondents, 78 people say they plan on voting for the levy.

This means that n = 150, X = \frac{78}{150} = 0.52

Value of the test statistic:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

z = \frac{0.52 - 0.5}{\frac{0.5}{\sqrt{150}}}

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Pvalue of the test:

The pvalue of the test is the probability of finding a proportion above 0.52, which is 1 subtracted by the pvalue of z = 0.49.

Looking at the z-table, z = 0.49 has a pvalue of 0.6879.

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Answer:

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2. 13/2 = w/5 because for every 13 cups of water, there is two cups of cleaner, so for w (unknown amount of water) there would be 5 cups of concontrated cleaner.

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Answer:

I'll have both

Step-by-step explanation:

so anyway I started blasting

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