Q: When do you use cross multiplication?

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Cross multiplication IS the correct term!

Cross reduction does exist. We use it when we want to make large multiplication fractions simpler =)

Cross multiplication is when you multiply the denominator of a fraction by the numerator of another fraction. Before you cross multiply you want to see if you can simply the fractions.

Maths!

What is the inherent meaning and justification of cross-multiplication as it applies to solving an inequality

Subtraction, division, cross multiplication of vectors, multiplication of matrices, etc.

2.80 is 2.80: you do not need to ise proportions or anything to "find" it!

The answer will depend on the detailed nature of the question.

The answer to a multiplication question is called the "Product".

yes...to know if it is equal use cross multiplication..if the answer is the same as the product of the denominetor to the numerator,it is equal

How do you use division to solve a multiplication equation?Answer this question…

x/6=7/12

20%. To get to this answer I used the cross multiplication property.

We had to take a multiplication test today.

Yes it is. If you use cross multiplication, 3/4 equals 6, while 1/2 equals 4.

cross multiplication results in same number

Yes they use multiplication and division to measure geometry

Blue background with a white 'multiplication' cross. It's known as the St Andrews Cross or the Saltire.

You can use it at any time.

in school, i used multiplication in my planner,a print out or a calculator to help me know it

All the properties of multiplication may be used with money.

There are two red crosses on the Union Flag. The 'plus' cross is from the English flag and the 'multiplication' crass is from the Ulster flag.

you can use it

like for or we use + and for 'and' we use multiplication

Because you need to use inverse operations and the opposite of multiplication is division.

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