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2 years ago

9

Mr. Johnson has a piece of pipe 5 1/3 feet long. He decides to cut it into 3 equal pieces to use in making a railing for his por

ch. How long should he cut each piece?

2 answers:

Aliun [14]2 years ago

7 0

Answer:

1 7/9

Step-by-step explanation:

Hope this helps. Pls give brainliest.

serious [3.7K]2 years ago

3 0

Answer: 1.78 repeating

Step-by-step explanation:

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An electric sale gives a reading equal to the true weight plus a random error that isnormally distributed with mean 0 and standa

Pepsi [2]

Answer:

a) 95% confidence interval estimate of the true weight is (3.026, 3.274)

b) 99% confidence interval estimate of the true weight is (2.944, 3.356)

Step-by-step explanation:

Confidence Interval can be calculated using M±ME where

M is the mean of five successive weightings (3.150)

ME is the margin of error from the mean

And margin of error (ME) can be calculated using the formula

ME= $\frac{t*s}{\sqrt{N} }$ where

t is the corresponding statistic in the given confidence level and degrees of freedom(t-score)

s is the standard deviation of the random error (0.1)

N is the sample size (5)

Using the numbers 95% confidence interval estimate of the true weight is:

3.150± $\frac{2.776*0.1}{\sqrt{5} }$ ≈3.150±0.124

And 99% confidence interval estimate of the true weight is:

3.150± $\frac{4.604*0.1}{\sqrt{5} }$ ≈3.150±0.206

3 0

3 years ago

Guys, please help me with this question.

Elodia [21]

Answer:

2

Step-by-step explanation:

We are asked to perform the subtraction

x² + xy - 3y² - (5x² - xy + y²) ← distribute the parenthesis by - 1

= x² + xy - 3y² - 5x² + xy - y² ← collect like terms

= (x² - 5x²) + (xy + xy) + (- 3y² - y² )

= - 4x² + 2xy - 4y²

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3 years ago

The cost of a ticket to the soccer game is 6$. There are y Number of people in a group that want to go to the game. Which of the

erastovalidia [21]

If each ticket cost six dollars and there is y amount of people it would be six for every person.
your answer would be (C)6y

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3 years ago

A store sell 5 bundle of firewood for $ 40 .which equation could be used to find the total cost c if a customer wants to buy 3 b

dimaraw [331]

that firewood be expensive tho

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3 years ago

Bryce is making a model building. He raises the walls of the building by 2 centimeters, five times.

photoshop1234 [79]

Answer:

10 cm!

I think...it's really basic math so...maybe?

7 0

3 years ago

Read 2 more answers