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jek_recluse [69]
3 years ago
10

CAN SOMEONE PLEASE HELP ME WITH THIS I DONT UNDERSTAND IT

Mathematics
1 answer:
il63 [147K]3 years ago
5 0

Answer:

Step-by-step explanation:

I think b =25

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Find the slope of the line through the pair of points. (-14, -2) and (7,7)
seraphim [82]

Answer:

3/7

Step-by-step explanation:

Use Y2-Y1/X2-X1

So, 7+2/7+14=9/21

9/21 can be simplified so divide both by 3 which leaves you with 3/7

5 0
4 years ago
The ordered pairs (1.3) and (3.7) lie on the line the slope of that line is
murzikaleks [220]

Answer:

Slope is 2.

Step-by-step explanation:

Slope is \frac{7-3}{3-1}=\frac{4}{2}  =2

4 0
3 years ago
In a survey of sleeping habits, 8400 adults were selected randomly and contacted by telephone. Based on a medical association's
Andreas93 [3]

Answer:

d. None of the above.

Step-by-step explanation:

<em>a. By the law of large numbers, it would again be 46%. </em>

FALSE. This proportion (46%) is a sample statistic, that can or can not be repeated in another sample.

<em>b. By the law of large numbers, the smaller (second) survey will certainly produce a sample proportion farther from the true population proportion than the larger (first) survey. </em>

FALSE. Smaller samples will produce wider confidence intervals for the estimation of the population proportion, but larger samples does not necessarily gives us better point estimations of the true proportion. A small sample can be closer to the true proportion than a large sample, although is less probable.

<em>c. The proportion computed from the sample of 5000 people would be more accurate because smaller samples tend to be more homogeneous than larger samples. </em>

FALSE. There is no evidence to claim that smaller samples are more homogeneous.

<em>d. None of the above.</em> TRUE

6 0
3 years ago
6. Jesse has 25 coins in his pocket, some are quarters, and some are dimes. If he has a
OLEGan [10]

Answer:

17 Quarters, 8 Dimes.

Step-by-step explanation:

17 x .25 = 4.25

8 x .10 = .80

4.25 + .80 = 5.05

5 0
4 years ago
Who can help me ?????
klio [65]
The answer should be 3.
8 0
4 years ago
Read 2 more answers
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