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VMariaS [17]
3 years ago
8

How can factors help you find a common denominater? PLEASE HELP!!!!!!!!!

Mathematics
1 answer:
Gekata [30.6K]3 years ago
8 0
They can help you find a common denominator by the bottoms of each fraction if the top ones don't have the same denominator.
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Challenger Elementary School has 800 students. Every Wednesday, 12 percent of the students stay after school for Chess Club.
DENIUS [597]
Let's set up a proportion.

\frac{x}{800}  \frac{12}{100}

Then solve for x:
12 x 800 = 9600
9600/100 = 96

96 is 12% of the 800 students. :)

Hope this helped! If you have anymore questions or don't understand, please comment or DM me. :)
8 0
3 years ago
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Sandra needs 6 pieces of rope, each measuring 8 inches in length. She is going to cut the 6 pieces from a rope that is 84 inches
Ket [755]
R = 84- (6*8)
remaining rope is 36 inches
7 0
3 years ago
Plz help please and thank you
Ivanshal [37]

Answer:

(5,-3)

Step-by-step explanation:

9x+2y=39

6x+13y=-9

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117x+26y=507

12x+26y=-18

----------------------

105x=525

x=5

Substitution

9(5)+2y=39

45+2y=39

2y=-6

y=-3

4 0
3 years ago
Answer two questions about Equations A and B: A.5x=20 \ B.x=4 ​ 1) How can we get Equation B from Equation A? Choose 1 answer: (
romanna [79]

Answer:

Multiply/divide both sides by the same non-zero constant

Step-by-step explanation:

5x = 20

Divide each side by 5

5x/5 = 20/5

x = 4

3 0
3 years ago
Can someone help plz?????
Keith_Richards [23]

Answer:

B

Step-by-step explanation:

-2-(-4) = -2 + 4

B shows subtracting 2 to the left then adding 4 to the right.

6 0
3 years ago
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