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cross mutipling is to hard how do you solve this problem and how did you get it

2007-09-11 11:16:53 · 11 answers · asked by Anonymous in Science & Mathematics Mathematics

this is the times sign=*

2007-09-11 11:18:11 · update #1

11 answers

You don't cross multiply. You multiply the denominators and you multiply the numerators. So:

y = (2 * -3) / (3 * 1) = -6/3

Reduce to -2

2007-09-11 11:22:35 · answer #1 · answered by cjcourt 4 · 0 0

y=2/3 * -3/1
y = -2
:>:

2007-09-11 18:24:02 · answer #2 · answered by aeiou 7 · 0 0

y= -2 ??

-3 times 2 over 3

2007-09-11 18:24:26 · answer #3 · answered by teaster 3 · 0 0

The answer is - 2, and here's how to get it.

But first, you DON'T "cross-multiply," you CROSS-DIVIDE! :

There's a ' 3 ' in a numerator; and a ' 3 ' in a denominator.
Therefore, those two 3's CANCEL one another.

You're now left with a 2 in a numerator, a 1 in a denominator, and a ' - ' sign. Gather these all together :

The result is - 2.

Live long and prosper.

2007-09-11 18:24:09 · answer #4 · answered by Dr Spock 6 · 0 0

Y=2/3*-3/1
Y=-2

2007-09-11 18:25:26 · answer #5 · answered by franciscomuller15 1 · 0 0

not cross multiplying here. Straight multiplication on numerators and denominatore

y=2*(-3)/3*1 =-6/3 = -2

2007-09-11 18:22:58 · answer #6 · answered by Kenneth H 3 · 1 0

First multiply the two numerators (numbers on top of the fraction) to get the new numerator

2 x -3=-6

Then multiply the two denominators (numbers on bottom) to get the new denominator

3 x 1=3

So your answer is -6/3, which reduces to -2/1 or, most simply, -2.

2007-09-11 18:26:28 · answer #7 · answered by Aquamarina 3 · 0 0

2*-3 = -6
3*1 = 3
therefore y= -6/3 = -2

2007-09-11 18:28:45 · answer #8 · answered by bignose68 4 · 0 0

2 x -3
---------- = -2
3 x1

you just cross out the 3's. on top that would leave you with 2 x -1 & on bottom 1x1 (remember any number divided by itself is 1, careful of the signs though)

2007-09-11 18:25:04 · answer #9 · answered by colormehappy 5 · 0 0

you can first reduce it, cross out the 3's since they cancel, and you're left with (2/1)*(-1/1) which also equals 2 * -1 and answer is -2

2007-09-11 18:21:44 · answer #10 · answered by 8Curious8 3 · 1 0

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