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Lesechka [4]
2 years ago
15

How is the process of dividing integers similar to the process of multiplying integers

Mathematics
2 answers:
Alenkasestr [34]2 years ago
6 0

Answer:

⇒When you divide an integer A by an Integer B, following are the Possibilities

  1.\rightarrow \frac{A}{B}=+ \text{Integer}\\\\2.\rightarrow \frac{-A}{-B}=+ \text{Integer}\\\\3.\rightarrow \frac{-A}{B}=- \text{Integer}\\\\4.\rightarrow \frac{A}{-B}=-\text{Integer}

⇒When you multiply an integer A by an Integer B, following are the Possibilities

 A × B=+ Integer

A × -B= -Integer

-A × -B=+Integer

-A × B= - Integer

There is same rule between Divison and Multiplication, that is when you Multiply or divide two same kind of Integers ,kind means sign behind the integer ,it yields the same result.

GaryK [48]2 years ago
5 0
<span>When you multiply two integers with different signs, the result is always negative. Just multiply the absolute values and make the answer negative. When you divide two integers with the same sign, the result is always positive.</span>
Guest
1 year ago
Thanks
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4.05 – 4 = 0.05

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2 years ago
Leslie has 8pencils. She has 9 fewer pencils than Michelle. How many pencils does Michelle have?
sammy [17]

Answer:

<u>Michelle has 17 pencils</u>

Step-by-step explanation:

Number of pencils Leslie has = 8 (She has 9 fewer pencils than Michelle)

Number of pencils Michelle has = 9 more than Leslie

How many pencils does Michelle have?

If Leslie has 8 and she has 9 fewer than Michelle, then:

Michelle has 9 more than Leslie

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Sharon is decreasing the size of a diagram of a leaf that is 30 centimeters long by 10 centimeters wide if the reduced diagram i
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4 0
2 years ago
In 1990, the mean duration of long-distance telephone calls originating in one town was 7.2 minutes. A long-distance telephone c
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Answer:

We know that In 1990, the mean duration of long-distance telephone calls originating in one town was 7.2 minutes. And we want to test if the mean duration of long-distance phone calls has changed from the 1990 mean of 7.2 minutes (alternative hypothesis) and the complement rule would represent the null hypothesis.

The correct system of hypothesis are:

Null hypothesis: \mu =7.2

Alternative hypothesis: \mu \neq 7.2

So then the best option for this case would be:

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Step-by-step explanation:

We know that In 1990, the mean duration of long-distance telephone calls originating in one town was 7.2 minutes. And we want to test if the mean duration of long-distance phone calls has changed from the 1990 mean of 7.2 minutes (alternative hypothesis) and the complement rule would represent the null hypothesis.

The correct system of hypothesis are:

Null hypothesis: \mu =7.2

Alternative hypothesis: \mu \neq 7.2

So then the best option for this case would be:

H0: μ = 7.2 minutes Ha: μ ≠ 7.2 minutes

And in order to test the hypothesis we can use a one sample t test or z test depending if we know the population deviation or not

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2 years ago
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