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bixtya [17]
3 years ago
6

A=7.5 B=30 C=15 square of 2 D= 15

Mathematics
1 answer:
Inessa [10]3 years ago
5 0

I think the awnser is B=30

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Suppose that the ages of members in a large billiards league have a known standard deviation of σ = 12 σ=12sigma, equals, 12 yea
asambeis [7]

Answer:

n\geq 23

Step-by-step explanation:

-For a known standard deviation, the sample size for a desired margin of error is calculated using the formula:

n\geq (\frac{z\sigma}{ME})^2

Where:

  • \sigma is the standard deviation
  • ME is the desired margin of error.

We substitute our given values to calculate the sample size:

n\geq (\frac{z\sigma}{ME})^2\\\\\geq (\frac{1.96\times 12}{5})^2\\\\\geq 22.13\approx23

Hence, the smallest desired sample size is 23

3 0
3 years ago
The diagram shows the repairs performed on two types of cars compare the car types using the medium in the mean
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3 years ago
Gavin drank 3/4 of a liter of orange juice from from a container, which was 3/8 of the orange that was originally in the contain
kow [346]

Answer:

2 liters of orange juice

Step-by-step explanation:

We know that Gaby drank 3/4 liters of juice

3/4 liters is the same as saying 0.75 liters

3/4 = 0.75

if 0.75 is 3/8 of the container we just have to divide it by 3 and multiply it by 8 and so we will get the liters of the container

(0.75/3) * 8 =

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then initially in the container there were 2 liters of orange juice

3 0
3 years ago
Jack bought a motorbike. The original price was $1,300, but he got a discount of 20%. What was the discounted price of the bike?
Vesnalui [34]

Answer:

I believe it's $1,040.

Step-by-step explanation:

So, the original price is $1,300. If we subtract $1,300 by 20% the result should be $1,040.

Therefore, the discounted of the price would be $1,040.

4 0
3 years ago
Rewrite the equation without absolute value, thanks!
34kurt

Since x - 3 < 0 for -2 < x < 3, |x-3| = -(x-3)

Since x + 2 > 0 for -2 < x < 3, |x+2| = x+2

Since x - 5 < 0 for -2 < x < 3, |x-5| = -(x-5).

So y = -(x-3) + (x+2) -(-(x-5)) = 3 - x + x + 2 + x - 5 = x.

y = x, if -2 < x < 3.

4 0
3 years ago
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