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3 years ago

PLS HELP URGENT!!! . . . . . . .

Mathematics

2 answers:

erastova [34]3 years ago

8 0

Answer:

Step-by-step explanation:

Nimfa-mama [501]3 years ago

3 0

Answer: D is the correct answer

Step-by-step explanation:

I learned this last year and got a 100 on the subject

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Explain your steps to solve 3x +4/+2 = 29.

bulgar [2K]

Answer:

X=18

Step-by-step explanation:

3x+4/2 = 29

Multiply both sides by 2 :

2(3x+4)/2 = 29*2

Simplify :

3x+4= 58

Subtract 4 from both sides :

3x + 4 - 4 = 58 - 4

Simplify :

3x = 54

Divide both sides by 3:

3x / 3 = 54 /3

Simplify :

X = 18

Hope it Helps :) !!!!

5 0

4 years ago

Am I right???help asap!

Nady [450]

Answer:

yes you are

Step-by-step explanation:

7 0

3 years ago

What is the length of the hypotenuse of the right triangle ABC in the figure

Vikki [24]

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4 0

4 years ago

Peggy constructed the 95 percent confidence interval (4.8,5.2) to estimate the slope of a regression model for a set of bivariat

butalik [34]

Answer:

B. Quincy's claim is correct.

Step-by-step explanation:

Margin of error of a confidence interval:

The margin of error of a confidence interval has the following format:

$M = z\frac{s}{\sqrt{n}}$

In which z is related to the confidence level, s is the standard error and n is the size of the sample.

From this interval, we have that the margin of error and the sample size are inversely proportional, that is, if we increase the sample size, the margin of error decreases, and so does the width of the confidence interval.

Peggy claims that the width of the confidence interval will increase if a sample size of 30 is used, all other things remaining the same.

Peggy is wrong, as the increase of the sample size results on the decrease of the margin of error, and a decrease of the width.

Quincy claims that the width of the confidence interval will decrease if a sample size of 30 is used.

Margin of error decreases, and so does the width of the interval, thus, Quincy's claim is correct, and the correct answer is given by option b.

6 0

3 years ago

PLEASE HELP ME ASAP

tatiyna

Answer:

1. 100

2. 20

Step-by-step explanation:

1. 1 Light Bulb = 1%

1%+99%=100%

2. 100 divided by 5

Hope this helped! Have a lovely day!

5 0

3 years ago