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slega [8]
3 years ago
6

Need help as soon as possible

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
7 0

Answer:

CosC = \frac{3}{5}

Step-by-step explanation:

Cos C = \frac{Adjacent}{Hypotenuse}

<em>Where Adjacent = 24 , Hyp = 40</em>

Cos C = \frac{24}{40}

<u><em>In simplest form</em></u>

CosC = \frac{3}{5}

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A sample has a sample proportion of 0.3. which sample size will produce the
jasenka [17]

The sample size of 36 will produce the widest 95% confidence interval when estimating the population parameter option (b) is correct.

<h3>What are population and sample?</h3>

It is described as a collection of data with the same entity that is linked to a problem. The sample is a subset of the population, yet it is still a part of it.

We have:

A sample has a sample proportion of 0.3.

Level of confidence = 95%

At the same confidence level, the larger the sample size, the narrower the confidence interval.

As we have a 95% confidence interval the sample size should be lower.

The sample size from the option = 36 (lower value)

Thus, the sample size of 36 will produce the widest 95% confidence interval when estimating the population parameter option (b) is correct.

Learn more about the population and sample here:

brainly.com/question/9295991

#SPJ1

7 0
1 year ago
Please answer a and b, I will give brainliest!!!!!
aniked [119]

Answer:

b

Step-by-step explanation:

because it passes the vertical line test and A does not if you look at x = 1 there are 2 points along that point (1,3) (1,-1)

5 0
2 years ago
Exactly 120 tickets were sold for a concert. The tickets cost $12 each for adults, $10 each for seniors, and $6 each for childre
Gemiola [76]
A=adult tickets
c=chlderenticekts
s=sinior tickets

a=c

a+c+s=120
2a+s=120

total made is 1100
12a+6c+10s=1100
sub
a=c
12a+6a+10s=1100
add
18a+10s=1100

multiply first equation by -9 and add to other equation

-18a-9s=-1080
18a+10s=1100 +
0a+s=20

s=20
20 senior tickets were sold

answer is B
5 0
3 years ago
If MO = 7x - 4, and NO = 6x, what is the length of line MN?
Gennadij [26K]

Answer:

13x-4

Step-by-step explanation:

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3 years ago
Trey is buying a computer on sale. The original
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Divide it and get yo answer
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3 years ago
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