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AlexFokin [52]
3 years ago
14

Which of the following represents the factored form of f(x) = x3 − 81x? f(x) = x(x − 9)2 f(x) = (x + 9)(x − 9) f(x) = x(x + 9)(x

− 9) f(x) = x(x2 − 9)
Mathematics
2 answers:
Anna [14]3 years ago
4 0

Answer:

f(x) = x(x + 9)(x − 9)

Step-by-step explanation:

svp [43]3 years ago
3 0

Answer: f(x) = x(x+9)(x-9)

Step-by-step explanation:

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Wewaii [24]

Answer: 12

40% = 40/100 = 0.40

"of" means "multiply" in percent word problems like this. Multiply 0.40 with 30 to get 0.40*30 = 12

Optionally, you can solve the equation below for x

part/whole = percent/100

x/30 = 40/100

x/30 = 0.40

x = 0.40*30

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much of those steps follow a similar pattern to what was mentioned earlier.

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sertanlavr [38]

If at the end of the study, the sociologist had a sample of 500 expectant parents and he estimates that there are 6 million expectant parents in the United States then the value of n is 500.

Given that the sample size is 500 and the number of expectant parents be 6 million.

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The value of n is 500. Small n shows the sample size and capital N shows the size of population.

Sample is that part of the population that represents the characteristics of the whole population.

Population is the number of individuals present in the area which a researcher wants to observe.

Hence if at the end of the study, the sociologist had a sample of 500 expectant parents and he estimates that there are 6 million expectant parents in the United States then the value of n is 500.

Learn more about sample at brainly.com/question/24466382

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The probability of the day being chosen as Monday or Saturday or Sunday is 3/7.
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