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EastWind [94]
2 years ago
10

I hope u can help me​

Mathematics
2 answers:
loris [4]2 years ago
8 0

Answer:

it's 831.74

Step-by-step explanation:

enot [183]2 years ago
3 0

Answer:

A≈6163.05

Step-by-step explanation:

the formula is A=2πrh+2πr2

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A factory that manufactures screws is performing a quality control experiment. Each object should have a length of no more than
-BARSIC- [3]

Answer:

a) Null Hypothesis: length of each screw is less than 14 centimeters

b) Alternate Hypothesis: length of each screw is equal to or greater than 14 centimeters

Step-by-step explanation:

Complete question

A factory that manufactures screws is performing a quality control experiment. Each object should have a length of no more than 14 centimeters. The factory believes that the length of the screws exceeds this value and measures the length of screws. The sample mean screw length was centimeters. The population standard deviation is known to be centimeters.

1. What is the null hypothesis?

2. What is the alternative hypothesis?

Solution :

The null hypothesis is basically the problem statement that needs to be tested.

Alternate hypothesis is opposite of that of null hypothesis

a) Null Hypothesis: length of each screw is less than 14 centimeters

b) Alternate Hypothesis: length of each screw is equal to or greater than 14 centimeters

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Question 7 of 7 (1 point) Question Attempt 3 of 3
Neporo4naja [7]

Answer:

To divide, use / instead of \.

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Step-by-step explanation:

example

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2 years ago
What is the common difference between the elements of the arithmetic sequence below?
daser333 [38]
-4.5 might be the answer im not very sure but yeah
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Hey there !

Check the attachment.
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