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dusya [7]
3 years ago
10

72 is 25% of students that have a cat, how many total students are there?

Mathematics
1 answer:
Lemur [1.5K]3 years ago
7 0

Answer:

the answer is 288 because 72 would be one fourth or 25% of 288. 72 plus 72 plus 72 plus 72 equals 288 equals 100%

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When combining like terms what is 8m - 10m?
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Answer:

-2m

Step-by-step explanation:

Since the numbers will go below 0 we have to make it in negative numbers

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Alexia runs a dog walking business. She charges a $3.75 base fee for
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What is 4/5 x 1 1/6=
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PIT_PIT [208]

Answer:

42.69% of information is acquired by the student in two weeks.

Step-by-step explanation:

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p = (100 -a)e^{-bt} + a

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a = 18\\b = 0.6

p tells us about the percentage of acquired knowledge that a person retains after t weeks.

We have to find the percentage of knowledge acquired in two week.

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5 0
3 years ago
Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 20. Find the prob
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Answer:

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It is given that, it is normal distribution with mean 100 and SD as 20.

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z=\frac{x-mean}{SD}

For this problem,

x= 136

Plug in this value into the formula

z-score=\frac{136-100}{20}

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Now, use z-score table to find the probability

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So, Randomly selected adult has an IQ less than 136 is 0.9641

3 0
3 years ago
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