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Tamiku [17]
3 years ago
9

Find the measure of each side indicated. Round to the nearest tenth. Picture included below.

Mathematics
1 answer:
skad [1K]3 years ago
4 0

Step-by-step explanation:

Use the sine and cosine trig functions

21) cos(52)=13/x

x=13/cos(52)

x=21.1

22) sin(75)=6/x

x=6/sin(75)

x=6.2

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In 2006,the General Social Survey (which is conducted uses a method similar to simple random sampling) included a question that
mars1129 [50]

Answer:

Assumptions are not met. Can not make confidence interval.

Step-by-step explanation:

In the General Social Survey, sample size is 1514.

The proportion of those who see themselves social is \frac{470}{1514} ≈ 0.31

To give an 95% confidence interval, we should be able to calculate margin of error of the sample mean, which is given by the formula

M±z*\frac{s}{\sqrt{N} }  where M is the mean of the sample (in the General Social Survey it is 0.31), z is z-score for the 95% confidence level(approx. 1.94), s is the standard deviation of the sample, N is the size of the sample(in this example it is 1514).

Since we don't know the standard deviation of the sample, we cannot give a confidence interval.

8 0
3 years ago
Can you please help me?
eduard

Answer:

sorry can't help didn't understand

3 0
3 years ago
A water container has 19.5 litres of water in it. A cup holds 210 ml of water. At most 92 cups can be filled completely from the
coldgirl [10]

Step-by-step explanation:

Given

A container has 19.5 liters of water

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So, the number of requires to hold this much water

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92.85 implies 92 full cups and 1 cup which is partially filled. Hence, almost 92 cups can be filled completely.

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alukav5142 [94]
The answer is C 1/2 hope this helps :)
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