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trapecia [35]
2 years ago
14

(Idk what's wrong wiv me today.. :p cant even do my lil yr 1 sisters hw..)

Mathematics
2 answers:
Ann [662]2 years ago
4 0
3 tens
that means the tens place is a 3
2nd degit is below 8 so can be 7,6,5,4,3,2,1,0
even, means it ends with 8,6,4,2,0
th enumber could be
30,32,34,36

Katen [24]2 years ago
3 0
Well, 3 tens means 30 something, and the second digit is below eight & even, so I would say 6, so your number is probably 36. ;)
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Example:

-5 + (-6) = -11

Adding Numbers with Different Signs

If the numbers that you are adding have different (opposite) signs, then SUBTRACT the numbers and take the sign of the number with the largest absolute value.

Examples:

-6 + 5= -1

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Subtracting Integers

When subtracting integers, I use one main rule and that is to rewrite the subtracting problem as an addition problem. Then use the addition rules.

When you subtract, you are really adding the opposite, so I use theKeep-Change-Change rule.

The Keep-Change-Change rule means:

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Change the minus sign to a plus sign.

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Example:

12 - (-5) =

12 + 5 = 17

Multiplying and Dividing Integers

The great thing about multiplying and dividing integers is that there is two rules and they apply to both multiplication and division!

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If the signs are different, then then answer is negative.

6 0
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8 0
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