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Alenkinab [10]
3 years ago
8

If the perimeter of a square is 18.48 cm, how long is one side of the square?

Mathematics
1 answer:
Andrew [12]3 years ago
6 0
One side is 4.62 cm long
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Expanded notation 13.62
sergeinik [125]

Answer:

thirteen point six two

3 0
3 years ago
A growth-mindset researcher plans to take an SRS of 200 teenagers from the population of teenagers in North America to see what
Sonbull [250]

Answer:

The mean of the sampling distribution of p is 0.75 and the standard deviation is 0.0306.

Step-by-step explanation:

Central Limit Theorem:

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean \mu = p and standard deviation s = \sqrt{\frac{p(1-p)}{n}}

75% of teenagers in North America are pursuing a goal they have set for themselves.

This means that p = 0.75

Sample of 200.

This means that n = 200.

What are the mean and standard deviation of the sampling distribution of p?

By the Central Limit Theorem

Mean \mu = p = 0.75

Standard deviation s = \sqrt{\frac{0.75*0.25}{200}} = 0.0306

The mean of the sampling distribution of p is 0.75 and the standard deviation is 0.0306.

4 0
3 years ago
How do you square a scale factor?<br> DONT COPY OFF GOOGLLE
Alinara [238K]

you have to find the scale factor by its length

how to : scale factor = dimension of the new shape ÷ dimension of the original shape

but if it is scaled then do

scale factor = larger figure dimensions ÷ smaller figure dimensions

3 0
2 years ago
3r + 7 = -8 what does r =
jekas [21]

Answer: R = -5

Step-by-step explanation: 3r + 7= -8 is turned into 3(-5) + 7= 8.                                             -15 + 7=8

4 0
2 years ago
SOLVE THE EQUATION 2X - 4 = 16​
vladimir1956 [14]

Answer:

x = 10

<u></u>

Step-by-step explanation:

2x - 4 = 16             try to get x on the left side, and the integers on the right

You then get:

2x = 20

Now, divide by 2 on both sides

2x/2 = 20/2

<u>x = 10</u>

5 0
3 years ago
Read 2 more answers
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