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DerKrebs [107]
3 years ago
9

a 76 inch pipe is cut into two pieces One piece is three times the length of the other find the lengh of the shorter piece?

Mathematics
1 answer:
SOVA2 [1]3 years ago
5 0

Answer:

/

Step-by-step explanation:

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0.6x + 3 = 0.1x - 7 what value of x makes the question true
svetlana [45]

Answer:x=-20

Step-by-step explanation:

7 0
3 years ago
A) Write 91 as the product of prime factors.<br> Write the prime factors in ascending order.
amid [387]

Answer:

1 7 13 91 prime factors in ascending order

3 0
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A school has 3400 students. They conduct a random sample of 124 students and find that 38 of them hate the school.
Contact [7]

Answer:

a) We need a sample size of at least 2401.

b) We need a sample size of at least 1936.

Step-by-step explanation:

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

In which

z is the zscore that has a pvalue of .

The margin of error is:

95% confidence level

So , z is the value of Z that has a pvalue of , so .

(a) you are unwilling to predict the proportion value at your school and​

We use , which is when we are going to need the largest sample size.

So we need to find We need a sample size of at least 2401.

(b) you use the results from the surveyed school as a guideline.

Now the same calculation, just with . So

We need a sample size of at least 1936.

5 0
3 years ago
A woman has read manga 20 times in 20 days? how many minutes would that be?
Bad White [126]

Answer:

28800 minutes

Step-by-step explanation:

1 day = 24 hours

20(24) = 480 hours

1 hour = 60 minutes

480(6) = 28800 minutes

3 0
3 years ago
Read 2 more answers
204/306 equivalent ratios
Fantom [35]
You would first find out the greatest common factor of 204 and 306 which is 102

204 divided by 102 which is 2
306 divided by 102 which is 3

So the answer is 2/3

3 0
3 years ago
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