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brilliants [131]
3 years ago
7

Why and when do we cross multiply in algebra?

Mathematics
2 answers:
Nataly [62]3 years ago
4 0

Answer:

You cross multiply to solve for a variable. You cross multiply when given a proportion.

FromTheMoon [43]3 years ago
3 0

Answer:

To solve Fractions also.

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at a certain library, an average of 5,000 people visit each month. in july, there was a 15% decrease in the number of people who
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5,000x.15=750

5000-750=4250=#of visitors in july

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3 years ago
At an animal shelter,there are 15 dogs,12 cats 3 snakes, and 5 parakeets what percent of the number of cats is the number of sna
12345 [234]
Hi there, just do 15/12*100% and that would equal 125%
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3 years ago
Calculate the measure of arc AC if the measure of arc CD is 170 degrees and arc AB is 80 and AB||CD.
CaHeK987 [17]

Answer:

  AC = 55°

Step-by-step explanation:

In this geometry, arcs AC and BD have the same measure. The sum of the parts of arc CD will total the measure of CD.

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The measure of arc AC is 55°.

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3 years ago
Estimate 18.50 x 2.6
marysya [2.9K]

Answer:

57

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
Help please. No links
alekssr [168]

Answer:

C

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The question is asking which one is equal to the absolut value of 12. The absolute value of -12 equals 12, so it is the same as the absolute value of 12.

3 0
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