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2 years ago

What is 7 divided by 2/3

Mathematics

1 answer:

soldier1979 [14.2K]2 years ago

3 0

Answer:

10.5

Step-by-step explanation:

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Please help! thank you!

anyanavicka [17]

Answer:

B. r=7.5

yan po ang correct answer

7 0

2 years ago

Its in the link belowwwww its 8th grade math.. tysvm

Alexandra [31]

Answer:

Step-by-step explanation:

5 0

3 years ago

If a box has a surface area of 680 and the length and width are 10. What is the height?

Molodets [167]

10x10=100

680/100=6.8

10x10x6.8=680

the answer is 6.8

8 0

3 years ago

Last year, 50% of MNM. Inc. employees were female. It is believed that there has been a reduction in the percentage of females i

Serhud [2]

Answer:

We conclude that there has been a significant reduction in the proportion of females.

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 400

p = 50% = 0.5

Alpha, α = 0.05

Number of women, x = 118

First, we design the null and the alternate hypothesis

$H_{0}: p = 0.50\\H_A: p < 0.50$

This is a one-tailed test.

Formula:

$\hat{p} = \dfrac{x}{n} = \dfrac{118}{400} = 0.45$

$z = \dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}$

Putting the values, we get,

$z = \displaystyle\frac{0.45-0.50}{\sqrt{\frac{0.50(1-0.50)}{400}}} = -2$

Now, we calculate the critical value.

Now, $z_{critical} \text{ at 0.05 level of significance } = -1.645$

Since the calculated z-statistic is less than the critical value, we fail to accept the null hypothesis and reject it. We accept the alternate hypothesis.

Thus, there has been a significant reduction in the proportion of females.

3 0

3 years ago

What can you conclude from a box plot where the length of the left box and whisker is the same as the length of the right box an

Norma-Jean [14]

Answer/Step-by-step explanation:

The length of the boxes and whiskers of a box plot tells us more about the spread the data being represented is and as well as the shape of the spread.

Invariably, if the length of the left box and left whiskers is of the same length as the right box and right whiskers, this implies that the distribution of the data point is close to being symmetric, or approximately symmetrical.

4 0

3 years ago