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Marrrta [24]
1 year ago
10

i don’t know how to divide integers and i have a test tomorrow based on adding subtracting multiplication and division on intege

rs. can someone please help me
Mathematics
1 answer:
ryzh [129]1 year ago
4 0

In order to divide integers, the first thing to check is the sign:

- When dividing two positive integers, the result will be a positive integer.

- When dividing two negative integers, the result will be a positive integer.

- When dividing integers with different signs (one negative and one positive), the result will be a negative integer.

Then, after checking the sign, we need to calculate the value of the division.

Some examples of divisions are:

\frac{24}{8},\frac{-15}{5},\frac{-100}{-10}

In the first division, the result is 3, because we have that 8 * 3 is equal 24.

Also, both numbers are positive, so the result is also a positive number.

In the second division, the result is -3, because 5 * (-3) is equal -15.

The result is negative, because the two numbers have different signs.

In the third division, the result is 10, because -10 * 10 is equal -100.

The result is positive, because both numbers are negative.

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Step-by-step explanation:

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2 years ago
If z=2.5, x=102 and x=100, what is s?
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I believe the problem ask for s which is the standard deviation. We must recall that the formula for z statistic is stated as:

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Where,

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Rewriting the equation in terms of s:

s = (x – x over bar) / z

Substituting the given values into the equation:

s = (102 – 100) / 2.5

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