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Inessa [10]
3 years ago
6

I NEED HELP PLEASE 15 POINTS

Mathematics
1 answer:
ra1l [238]3 years ago
8 0

Answer:

20°

Step-by-step explanation:

∡EFJ = 70°

∡JFK = 90°

So, ∡KFG = 180 - ∡JFK - ∡EFJ = 180 - 90 - 70 = 20°

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In the upcoming election for governor, the most recent poll, based on 900 respondents, predicts that the incumbent will be reele
Paul [167]

Answer:

.0166

Step-by-step explanation:

Central Limit Theorem for proportions:

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean \mu = p and standard deviation \sigma_{p} = \sqrt{\frac{p(1-p)}{n}}

In this question:

n = 900, p = 0.55

What is σρˆ?

The standard deviation of the sample proportion, which is:

\sigma_{p} = \sqrt{\frac{0.55*0.45}{900}} = 0.0166

4 0
3 years ago
Please help!!! ill give brainliest
yawa3891 [41]

Answer:

Step-by-step explanation:

divide the number then add on

7 0
3 years ago
Read 2 more answers
PLEASE HELP I WILL MAKE BRAINLIST
Misha Larkins [42]

Answer: 11%

Step-by-step explanation: What I did is i added 21 8 and 2 together and subtracted them by the amount of students which is 28. Then with that number/ 3 I divided by 28 which gave me the percentage .10714. I then rounded and ended with 11%. Im pretty sure this is the right answer if anyone thinks they know im wrong please say

4 0
3 years ago
Read 2 more answers
3. A scuba diver was exploring a reef 32.12 m below sea level. The diver ascended to the surface at a rate of 8.8 m/min.
vekshin1
A. d=rt d is 32.12 and your rate is 8.8 so the answer for A is 32.12=8.8t
B. The word ascend means to go up
C. Just divide 32.12 by 8.8
8 0
3 years ago
Read 2 more answers
Which is greater 3/8 0r 0.385?
vlada-n [284]
3/8 beacuse you would change that to a mix number
7 0
3 years ago
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