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Paladinen [302]
3 years ago
14

Look Below and then answer

Mathematics
1 answer:
lana [24]3 years ago
5 0

Answer:

Julia found 5 coins

Step-by-step explanation:

lets take the # of coins julia found as "x"

alice found6

davi found 5

lucas found 6

and carter found 8

remember how to calculate mean( add all numbers and divide by the# of numbers)

so

6+5+6+8+x/5=6 (since there are "5" terms)

so

25+x/5=6

treat this like a linear equation so multiply by 5 on both sides

25+x/5(5)=6(5)

25+x=30

subtract "25 on both sides"

25-25+x=30-25

x=5

hope this helps

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2X+2Y=48<br> 3X+Y=40 <br><br> What is X and Y
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Answer:

x=8

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Step-by-step explanation:

2x+2y=48

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Ther is many ways to solve this, one of them is clearance:

WE CLEAR AN UNLOCKED (X) AND REPLACE IT IN THE OTHER

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x=(40-16)/3

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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