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docker41 [41]
3 years ago
10

A) single step Equation 1) X + 7 = 9

Mathematics
1 answer:
pshichka [43]3 years ago
6 0
X=2
subtract 7 from both sides
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What is 591/9120 plz answer corretly
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Step-by-step explanation:

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If 12 less than 4 times a number is 8, the number is 5. Write a different sentance where the unknown number is also 5.
anastassius [24]
Two times a number minus 4 is six. (2*5-4=6)
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4 years ago
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I need help figuring out the steps to do this question
krok68 [10]

6x-18                                  14x+38

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3 0
3 years ago
jar contains 51 coins which are either quarters or nickels. total value of jar is 5.15. how many of each type of coin do they ha
docker41 [41]
I believe there are 20 quarters and 3 nickels.....

Total value of the jar is $5.15.....

Quarters are worth 25 cents
And nickels are worth 5 cents.

First you know that there are 4 quarters in a dollar.
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So five dollars ($5.00) is 20 quarters.
And you still have 15 cents left.

Because quarters are 25 cents the rest are nickels.

Nickels are worth 5 cents so you'd do 5 x 3 = 15.

15 cents!

Add all this together and get $5.15.

So your answer is 

There are 20 quarters and 3 nickels in the jar.

 
8 0
3 years ago
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