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Liono4ka [1.6K]
3 years ago
9

What is one third of 27 over 48

Mathematics
1 answer:
blsea [12.9K]3 years ago
6 0
27 divided by 3 is 9
48 divided by 3 is 16
9/16
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In his free time, Gary spends 7 hours per week on the Internet and 8 hours per week playing video games. If Gary has five hours
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Answer:

D. 30%?

I'm not 100% sure but I think its D. Sorry if it's wrong.

3 0
3 years ago
In 2015 as part of the General Social Survey, 1289 randomly selected American adults responded to this question:
Radda [10]

Answer:

B (0.312, 0.364)

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 interval 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:

1289 randomly selected American adults responded to this question. This means that n = 1289.

Of the respondents, 436 replied that America is doing about the right amount. This means that \pi = \frac{436}{1289} = 0.3382.

Determine a 95% confidence interval for the proportion of all the registered voters who will vote for the Republican Party. ​

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.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.3382 - 1.96\sqrt{\frac{0.3382*0.6618}{1289}} = 0.312

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.3382 + 1.96\sqrt{\frac{0.3382*0.6618}{1289}} = 0.364

The 95% confidence interval is:

B (0.312, 0.364)

5 0
2 years ago
I NEED HELP CUZ I DONT KNOW HOW TO DO THIS​
mars1129 [50]
Area of rectangle = l*w
Area of triangle = (1/2)*l*w

Based on the figure:

Area of triangles = 2*(1/2)*l*w
= 2*(1/2)*24*14 = 336 cm^2

Area of side rectangles = 2*l*w
= 2*44*25 = 2200 cm^2

Area of bottom rectangle = l*w
= 44*14 = 616 cm^2

To find the total surface area, you would add all of the sides together:

336+2200+616= 3152 cm^2

Don’t be afraid to ask any questions, if you have any :D

3 0
2 years ago
Please provide answers for the WHOLE page. It is only multiplication.
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29. 1.08+.89+.89=2.86 they need 3 dollars
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a truck with a gross weight of 30,000 pounds is parked at a slope of 5 degrees. calculate the force required to keep the truck f
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The force required is 6000

Step-by-step explanation:

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