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WILL MAKR BRAINLIEST!!!! ANSWER THIS- https://brainly.com/question/17433324 WHAT IS THE SQUARE ROOT OF 25??!?!!?!

Answers

Answer 1

Answer:

Answer:

The square root of 25 is 5.

Step-by-step explanation:

You can check your work by doing 5 squared!

:) Hopefully this helps

I already answered your other question!

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-7/3 x = 7 solve for x

Answers

Answer:

x= -3

Step-by-step explanation:

From a random sample of 41 teens, it is found that on average they spend 43.1 hours each week online with a population standard deviation of 5.91 hours. What is the 90% confidence interval for the amount of time they spend online each week?

Answers

Answer:

Step-by-step explanation:

We want to determine a 90% confidence interval for the mean amount of time that teens spend online each week.

Number of sample, n = 41

Mean, u = 43.1 hours

Standard deviation, s = 5.91 hours

For a confidence level of 90%, the corresponding z value is 1.645. This is determined from the normal distribution table.

We will apply the formula

Confidence interval

= mean +/- z ×standard deviation/√n

It becomes

43.1 ± 1.645 × 5.91/√41

= 43.1 ± 1.645 × 0.923

= 43.1 ± 1.52

The lower end of the confidence interval is 43.1 - 1.52 =41.58

The upper end of the confidence interval is 43.1 + 1.52 =44.62

Therefore, with 90% confidence interval, the mean amount of time that teens spend online each week is between 41.58 and 44.62

What is the solution of | x + 5 | > 7

Answers

Step-by-step explanation:

inequality form would be x<-12 or >2

I hope this helps

Answer:

Step-by-step explanation:

(x+5)>7

x+5>7

x>7-5

x>2

How is the number 35.012 written in words?

Answers

thirty-five and twelve thousandths

thirty five point zero twelve

Rachel is recording the temperature at her school every morning this week. On Monday, the temperature was 5°C. Part A: On Wednesday, Rachel calculated that the temperature was 13 degrees colder than Monday. What temperature did Rachel record on Wednesday? Part B: On Friday, Rachel calculated that the temperature was 4 degrees warmer than Wednesday. What temperature did Rachel record on Friday?