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Lisa [10]
3 years ago
7

It is 2021. What year is it 20 years before the next year that is a perfect square?

Mathematics
1 answer:
miv72 [106K]3 years ago
6 0

Answer:

2002

Step-by-step explanation:

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Identify the property shown .<br><br> 50+0=50
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The identity property is shown
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3 years ago
$4 is what percent of $50 ?
dmitriy555 [2]

Answer

Find out the $4 is what percent of $50 .

To prove

By using the percentage formula

Percentage = \frac{Part\ value\times100}{Total\ value}

As given in the question

Part value = $4

Total value = $50

Put all the values in the percentage formula as mentioned above.

Percentage = \frac{4\times100}{50}

solving the above

Percentage = \frac{400}{50}

Percentage = 8%

Therefore $4 is 8% of $50 .



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3 years ago
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3 years ago
Assume a binomial probability distribution with n=55 and π=0.34 . Compute the following: (Round all your z values to 2 decimal p
Aleks04 [339]

Answer: 0.8588

Step-by-step explanation:

Assume a binomial probability distribution with n = 40 and (symbol looks like a pie sign) = 0.55.  

Compute the following: (Round the value for standard deviation and intermediate calculations to 2 decimal places and your final answer to 4 decimal places.)  

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std = sqrt(npq) = sqrt(22*0.45) = 3.1464

--------------------------------------------------  

The probability that X is 25 or greater.

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------------------------------------------------------  

The probability that X is between 15 and 25, inclusive.

P(15<= x <=25) = binomcdf(40,0.55,25)-binomcdf(40,0.55,14) = 0.8588

7 0
4 years ago
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