Why does cross multiplication work / why cross multiplication works need asap! thank you :)

2 answers:

6 0

Cross multiply only when you need to determine if one fraction is greater than another, or if you are trying to find a missing numerator or denominator in equivalent fractions.

Tatiana [17]3 years ago

6 0

The slope is three and parallel lines have equal slopes

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1.7 In the following diagram, angle 7 equals 61°.

gladu [14]

1.7) < 7 and < 8 form a linear pair....which means, when added, they equal 180 degrees. So if < 7 = 61, then < 8 = (180 - 61) = 119 <=

1.8) angles that are supplementary will add up to 180. So if one of the angles is 38, then the other one is (180 - 38) = 142 <==

1.9) < 3 = < 5 (vertical angles are congruent)
1.10) < 2 = < 8 (vertical angles are congruent)
1.11) < 7 = < 1 (vertical angles)
1.12) < 6 = < 4 (vertical angles)

7 0

3 years ago

Read 2 more answers

Solve |x|>5 A. {-5,5} B. { x|-5 < x < 5 } C. { x|x < -5 or x > 5}

Marizza181 [45]

Solve |×|> 5

×>5 or ×<-5

C.{×<-5 or ×> 5}

8 0

3 years ago

Y = 3/4x -5/8 the denominator is not the same so what do I do

Step2247 [10]

what is the problem? it might help to see it

5 0