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QveST [7]
3 years ago
13

HELPPPP PLEASEEEEeeeeee

Mathematics
1 answer:
SpyIntel [72]3 years ago
5 0
The answer is D because...
(4)^-2 is...
1/16
(1/16)×2 is...
2/16 or 1/8

Hope this helps!
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The height (in inches) of adult men in the United States is believed to be Normally distributed with mean μ . The average height
Jlenok [28]

Answer: a. 69.72 ± 1.37

Step-by-step explanation:

We want to determine a 90% confidence interval for the mean height (in inches) of adult men in the United States.

Number of sample, n = 25

Mean, u = 69.72 inches

Standard deviation, s = 4.15

For a confidence level of 90%, the corresponding z value is 1.645. This is determined from the normal distribution table.

We will apply the formula

Confidence interval

= mean ± z × standard deviation/√n

It becomes

69.72 ± 1.645 × 4.15/√25

= 69.72 ± 1.645 × 0.83

= 69.72 ± 1.37

The lower end of the confidence interval is 69.72 - 1.37 = 68.35

The upper end of the confidence interval is 69.72 + 1.37 = 71.09

5 0
3 years ago
Express it in slope-intercept form.
zmey [24]
Here is the answer hope this helps

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Answer:

Step-by-step explanation:

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3 years ago
A cyclist rides her bike at a speed of 10 kilometers per hour. What is this speed in miles per hour? How many miles will the cyc
SashulF [63]
6.25 miles per hour
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What is the slope of the line passing through the points (1, –5) and (4, 1)?
Naddik [55]
The slope is a 2
here the stpes 
6/3 got 2
y2-ya
x2-x1
then you get 6/3 devide ad that you slope

3 0
3 years ago
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