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Marizza181 [45]
3 years ago
7

Dennis has 80 nickels and dimes that equal up to $6.60 how many of each coin did he have

Mathematics
1 answer:
Tasya [4]3 years ago
4 0

Answer:

im really confused soryy that i cant help

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Which expression illustrates the associative property of addition?
qwelly [4]

Answer:

(3 + 19) - 12 = 3 + (19 - 12).

Step-by-step explanation:

The parentheses have migrated to the right  whereas the order of the numbers and operations has stayed the same.

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IM PUTTING THIS FOR 30 POINTS PLEASE ANSWER
Alex Ar [27]

Answer:

Jacks scores 130 points

Jill scores 75 points

Step-by-step explanation:

J=Jacks score

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2K-20+K=205

So, we can do 3K-20=205

                            +20  +20

                                (cancel it out)

and we are left with 3K=225 which is K=75, so we do do 205-75=130(which is jacks score). To prove this we can do 75x2=150-20=130

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