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Do you say multiply by or multiply with?
Multiply by is the usual form. Multiply 3 by 4 to get 12.
If there are several numbers being multiplied then multiply .... together may be used... multiply 3, 4 and 5 together to get 60.
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When you multiply fractions how do you cross multiply?
take 1/2 anad x/17. you would times the #s that are diagnol then divide by the # left.
1 x
_ _
2 17 1x17=17
17/2=8.5
so x=8.5
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Why do you multiply?
Because when you multiply, you essentially are just adding X by itself Y times.
Example: X=3 Y=2 3+3 = 3*2 = 6 Example: X=3 Y=7 3+3+3+3+3+3+3 = 3*7 = 21
You Understand?
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How do you do a multiply?
I'm not sure how they teach multiplying today, but when I was in school, it began with memorizing. We had to memorize the 'times tables' that had all of the numbers from zero to ten times all of the...
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How do you multiply out?
there is no such thing as multiply out...is only multiply out brackets... :)