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Genrish500 [490]
3 years ago
7

PLEASE HELP ASAP! Will give BRAINLIEST! Please answer correctly! No guessing!

Mathematics
2 answers:
Klio2033 [76]3 years ago
6 0

Answer:

c.)

Step-by-step explanation:

i graphed it on my calculator

igomit [66]3 years ago
6 0

Answer:

C

Step-by-step explanation:

When graphed, one of the points is (1, 3)

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A truck travels 52 1/2 miles and uses 2 1/2 gallons of gasoline. What is the fuel rate in miles per gallon?
kumpel [21]

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131 1/2 miles per gallon

Step-by-step explanation:

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1 year ago
Simplify the expression: -2.3f+0.8f - 12-5
MaRussiya [10]

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-1.5f - 17

Step-by-step explanation:

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8 0
2 years ago
HELP PLS (picture below)
jolli1 [7]
The answer is C
5.26x10^3 = 5,260
4 0
3 years ago
Read 2 more answers
In a random sample of 74 women at a company, the mean salary is $39,902 with a standard deviation of $3270 in a random sample of
ValentinkaMS [17]
The correct answer is the first choice, ($1818.30, $5077.70.)

To find this, we first find the z-score based on the confidence level:
Convert 95% to a decimal:  95%=95/100 = 0.95
Subtract from 1:  1-0.95 = 0.05
Divide by 2:  0.05/2 = 0.025
Subtract from 1:  1-0.025 = 0.975

Using a z-table (http://www.z-table.com) we see that this value is associated with a z-score of 1.96.

Next, we identify 
\overline{x_1}=39902; \overline{x_2}=36454; n_1=74; n_2=40; \sigma_1=3270; \sigma_2=4677

Next we find
(\overline{x_1}-\overline{x_2})=(39902-36454) = 3448

Next we find 
\sqrt{\frac{\sigma_1^2}{n_1}+\frac{\sigma_2^2}{n_2}}
\\
\\=\sqrt{\frac{3270^2}{74}+\frac{4677^2}{40}}=\sqrt{\frac{10692900}{74}+\frac{21874329}{40}}
\\
\\=831.479

Next, we multiply this value by z:
1.96(831.479) = 1629.70

The confidence interval is given by
3448\pm1629.70
\\
\\=(3448-1629.70, 3448+1629.70)
\\
\\=(1818.30, 5077.70)
5 0
3 years ago
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