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konstantin123 [22]
3 years ago
12

Y=2x+8 Find y, if x is 2

Mathematics
1 answer:
Marysya12 [62]3 years ago
5 0
First simplify the equation with the given information. 2(2) = 4, so the equation is now y = 4+8. Simplify further. 4+8 = 12, so y = 12.
Hope that helped you.
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The formula to change F to C is F equal 9/5 C + 32. If the temperature is 21.5 C what is it in F?
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Answer:

F=70.7

Step-by-step explanation:

This is a simple substitution problem.

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  2. They give you C, so substitute it into the problem, which would give you F=\frac{9}{5}\left(21.5\right)+32.
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4 0
3 years ago
Suppose we take repeated random samples of 50 college students from the same population and determine a 95% confidence interval
zzz [600]

Answer:

B. The intervals are centered around the sample mean GPA.

D. 95% of the intervals will contain the population mean in the long run.

Step-by-step explanation:

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Depends on two things: The sample mean and the margin of error.

Lower end: Sample mean - margin of error

Upper end: Sample mean + margin of error

This means that the intervals are centered around the sample mean.

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x% of the intervals will contain the population mean in the long run.

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B. The intervals are centered around the sample mean GPA.

D. 95% of the intervals will contain the population mean in the long run.

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3 years ago
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