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kykrilka [37]
3 years ago
13

????A - k = w + v, for a

Mathematics
1 answer:
sladkih [1.3K]3 years ago
6 0
A=w+v/-k or A=w+v+k, but I mostly recommend the first one, the -k is divided by both the w and v.
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I need help !!!!!!!!!!!!!!! For 1 and 2
11Alexandr11 [23.1K]

Answer:

#1: 5

#2: \sqrt{40}

Step-by-step explanation:

Inverse of Pythagorean Theorem:  c²-b²=a²

c²   b²      a²

13²- 12² = 25

\sqrt{25} = 5

Pythagorean Theorem: a²+b²=c²

a²    b²     c²

2² + 6² = 40

c = \sqrt{40}

5 0
3 years ago
Find the missing side length.
Anastaziya [24]

Answer:

11 cm

Step-by-step explanation:

16-5 = 11

7 0
3 years ago
Read 2 more answers
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
What’s the answer?????!
stepan [7]

Answer:

0.58×0.90=0.522

Step-by-step explanation:

Im not really sure if it's right

3 0
2 years ago
A store charges $280 for a coat. This price is 40 percent more than the amount it cost the store to buy the coat. At the end-of-
Tasya [4]
So 280=1.4x so 280/1.4 is 200  .7*200 is 140 so $140
7 0
3 years ago
Read 2 more answers
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