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sergey [27]
3 years ago
15

Help please answer question 1 and 2

Mathematics
1 answer:
Semmy [17]3 years ago
7 0

Answer:

here..

Step-by-step explanation:

1. LM, MN. and HF in that order.

1 pt2. L, G, N in that order

2. WX, XY, UV, VS in that order

and 2 pt2. W, X, U, V in that order

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Find the value of x. No calculator needed. Leave the square root as a part of your answer.
aleksklad [387]

Answer:

5/V2=2.5×V2

Step-by-step explanation:

This is an isoscelle right triangle:

x²+x²=5²

2x²=5²

x=5/V2=5×V2/2=2.5×V2

where V2=sqrt(2)

4 0
3 years ago
An insurance company estimates 45 percent of its claims have errors. The insurance company wants to estimate with 99 percent con
nydimaria [60]

Answer:

We need a sample size of at least 657.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

The margin of error is given by:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

45 percent of its claims have errors.

So \pi = 0.45

99% confidence level

So \alpha = 0.01, z is the value of Z that has a pvalue of 1 - \frac{0.01}{2} = 0.995, so Z = 2.575.

What sample size is needed if they wish to be within 5 percent of the actual

This is a sample size of at least n, in which n is found when M = 0.05.

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.05 = 2.575\sqrt{\frac{0.45*0.55}{n}}

0.05\sqrt{n} = 1.28

\sqrt{n} = \frac{1.28}{0.05}

\sqrt{n} = 25.62

\sqrt{n}^{2} = (25.62)^{2}

n = 656.4

We need a sample size of at least 657.

6 0
3 years ago
Distributive property of 6×83
Lostsunrise [7]
498 
you distribute 6 to 83 
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498 

8 0
3 years ago
Read 2 more answers
The sum of the least and greatest of 3 consecutive integers is 110. What are the 3 integers?
sertanlavr [38]

The 3 integers are 54, 55, and 56.

54 + 56 = 110.

⭐ Answered by Hyperrspace (Ace) ⭐

⭐ Brainliest would be appreciated, I'm trying to reach genius! ⭐

⭐ If you have questions, leave a comment, I'm happy to help! ⭐

5 0
3 years ago
Helppppppppppppppppp
kramer
The answer is 2/3 hope this helps
/ = fraction
3 0
4 years ago
Read 2 more answers
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