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Degger [83]
3 years ago
11

A square playground has sides that each measure 120 feet in length.

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
5 0

Answer:

120/5

24 inches.

Step-by-step explanation:

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The sum of two numbers is 24.The difference of their square is 144.what are the two numbers?​
dimulka [17.4K]

Answer:

9 and 16

Step-by-step explanation:

let the two numbers are X and Y

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4 0
3 years ago
A film distribution manager calculates that 4% of the films released are flops. If the manager is correct, what is the probabili
Anit [1.1K]

Answer:

9.34%

Step-by-step explanation:

p = 4%, or 0.04

n = Sample size = 667

u = Expected value = n * p = 667 * 0.04 = 26.68

SD = Standard deviation = \sqrt{np(1-p)}  =\sqrt{667*0.04*(1-0.04)} = 5.06

Now, the question is if the manager is correct, what is the probability that the proportion of flops in a sample of 667 released films would be greater than 5%?

This statement implies that the p-vlaue of Z when X = 5% * 667 = 33.35

Since,

Z = (X - u) / SD

We have;

Z = (33.35 - 26.68) / 5.06

Z = 1.32

From the Z-table, the p-value of 1.32 is 0.9066

1 - 0.9066 = 0.0934, or 9.34%

Therefore, the probability that the proportion of flops in a sample of 667 released films would be greater than 5% is 9.34%.

6 0
3 years ago
What is the solution of -6x+15=-3
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The answer to your problem is x=3
7 0
3 years ago
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Rex puts $5,000 in a savings account with a simple
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Answer:

Rex earns $250 in interest after 2 years.

Step-by-step explanation:

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atroni [7]

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2

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1+1=2

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3 years ago
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