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xxTIMURxx [149]
2 years ago
10

36 cups equals how many gallons

Mathematics
2 answers:
kondor19780726 [428]2 years ago
8 0

Answer:

2.25 gallons

Step-by-step explanation:

ggggdhdhdhdhdjd its right

salantis [7]2 years ago
3 0

Answer:

2.25 gallons

Step-by-step explanation:

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What is static equilibrium?
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Equilibrium acquired in which the object or body does not change the state of rest under the influence of several forces acting on it.
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3 years ago
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The least number to be added to 89 to make it a perfect square is ______.
Neko [114]

Answer: 11

Step-by-step explanation:

The closest square to 89 is 100.

so you have to add 11 to get 100

6 0
3 years ago
Fill in the boxes to complete the addition. 3/5+1/4
Fynjy0 [20]

Answer:

3/5 + 1/4 = 17/20

Step-by-step explanation:

  • \frac{3}{5} + \frac{1}{4}
  • LCM is 20
  • \frac{12}{20} + \frac{5}{20}
  • \frac{17}{20}
7 0
2 years ago
Which is greater -2 or -2/3
Semmy [17]

Answer:

-2/3

Step-by-step explanation:

-2/3 is greater because it is closer to 0/positive than -2.

5 0
3 years ago
In the past, 21% of all homes with a stay-at-home parent, the father is the stay-at-home parent. An independent research firm ha
Afina-wow [57]

Answer:

A sample size of 79 is needed.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

\pi = 0.21

The margin of error is:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.  

What sample size is needed if the research firm's goal is to estimate the current proportion of homes with a stay-at-home parent in which the father is the stay-at-home parent with a margin of error of 0.09?

A sample size of n is needed.

n is found when M = 0.09. So

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.09 = 1.96\sqrt{\frac{0.21*0.79}{n}}

0.09\sqrt{n} = 1.96\sqrt{0.21*0.79}

\sqrt{n} = \frac{1.96\sqrt{0.21*0.79}}{0.09}

(\sqrt{n})^{2} = (\frac{1.96\sqrt{0.21*0.79}}{0.09})^{2}

n = 78.68

Rounding up to the nearest whole number.

A sample size of 79 is needed.

4 0
3 years ago
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