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sashaice [31]
3 years ago
11

What value of X makes the equation true? 12x-15=16-3x

Mathematics
1 answer:
gogolik [260]3 years ago
4 0
X= 2 1/15 or 31/15.
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3 years ago
Find the value of x so that the function has the givin value<br><br> n(x)=2x+7, n(x)=17
Sunny_sXe [5.5K]

Answer: x=5

Step-by-step explanation:

Substitute 17 for n(x)

17=2x+7

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10=2x

Divide each side by 2 to get the x by itself

x=5

6 0
2 years ago
what is the volume of is a rectangular prism that is 14 inches long, 7 inches wide, and 10 inches high?
igomit [66]

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Step-by-step explanation:

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7 0
2 years ago
Which of the following estimates at a 95% confidence level most likely comes from a small sample?
dusya [7]
<span>The <u>correct answer</u> is:

A) 60% ± 18%.

Explanation:

In a confidence interval, the margin of error is given by z*(</span>σ/√n<span>), where </span>σ<span> is the standard deviation and n is the sample size.

First we <u>find the value of z</u>:

We want a 95% confidence level; 95% = 95/100 = 0.95.

To find the z-score, we first subtract this from 1:
1-0.95 = 0.05.

Divide by 2:
0.05/2 = 0.025.

Subtract from 1 again:
1-0.025 = 0.975.

Using a z-table, we find this value in the middle of the table. The z-score that is associated with this value is 1.96.

Back to our formula for margin of error, we have 1.96(</span>σ<span>/</span>√n<span>). The larger n, the sample size, is, the larger its square root is. When we divide by a larger number, our answer is smaller; this gives us a smaller margin of error.

This means that if we had a small sample size, we would divide by a smaller number, making our margin of error larger. The largest margin of error we have in this question is 18%, so this is our correct answer.</span>
7 0
3 years ago
12 over 65.4 = 24 over x (12/65.4=24/x) What is x?
Tpy6a [65]
The answer is 130.8 hope it helps
7 0
3 years ago
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