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2 years ago

The product of two numbers is −72. One of the factors is −9, what is the other factor?

Mathematics

2 answers:

frez [133]2 years ago

4 0

The other factor is eight because 9 multiplied by eight is 72 and a negative times a positive is a negative

VikaD [51]2 years ago

4 0

Answer: The other factor is 8.

Step-by-step explanation: Given that the product of two numbers is −72 and one of the factors is −9.

We are to find the other factor.

Let the other factor be represented by f.

Then, according to the given information, we have

$(-9)\times f=-72\\\\\Rightarrow f=\dfrac{-72}{-9}\\\\\Rightarrow f=8.$

Thus, the other factor is 8.

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3 years ago

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vekshin1

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3 years ago

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2 years ago

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2 years ago

A programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimat

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Answer: a. n= 1068

b. n= 164

Step-by-step explanation:

The formula to find the sample size :

$n=p(1-p)(\dfrac{z^{*}}{E})^2$

, where p=prior population proportion , z* = critical z-value and E = Margin of error.

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Given : Confidence level = 95%

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i.e. n= 164.

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3 years ago