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Step2247 [10]
4 years ago
7

if the total value of the coins is 71$ and she has 9 rolls of dimes, how many rolls of nickels does she have?

Mathematics
1 answer:
Zanzabum4 years ago
4 0

Answer:

18 rolls of nickles

Step-by-step explanation:

One roll of dimes would be the same value as 2 rolls of nickles. If she has 9 rolls of dimes, she would have 18 rolls of nickles.

Dont forget to thanks and rate!

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tamaranim1 [39]
X + y = -2
-x        -x
y= -2 -x

2x -3y = -9
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2x +6 +3x = -9
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5x = -15
5x/5 = -15/5
x= -3

y= -2 -x
y= -2 -(-3)
y= -2 +3
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the answer: (-3,1)
6 0
3 years ago
Solve for y: -10x + 8y = 2<br> What is the value of y when x = 7?<br> y<br> =
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Step-by-step explanation:

5 0
3 years ago
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Elodia [21]

Answer:

hopes this helps

Step-by-step explanation:

this is a tricky one here

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second week

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7 0
3 years ago
Read 2 more answers
There were 120 multiple choice questions.a candidate was given 1mark for each correct answercand penalised ¼ mark for every wron
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8 0
4 years ago
Connie made 1 1/3 pounds of trail mix for a hike. is there a way Connie can break up the trail mix into four bags
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