emely04100
emely04100
10-06-2020
SAT
contestada
what is cross multiplication helpful is?
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pldrake04
pldrake04
10-06-2020
Cross Multiplication is helpful for when you are using fractions.
Example:
1 4
— x — = ?????
2 2
Sooooo, you must multiply 1 by 2 to get 2. Then, multiply 4 by to 2, to equal 8.
Answer Link
damariamilan
damariamilan
10-06-2020
In mathematics, specifically in elementary arithmetic and elementary algebra, given an equation between two fractions or rational expressions, one can cross-multiply to simplify the equation or determine the value of a variable.
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