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raketka [301]
3 years ago
8

EASY POINTS! WILL GIVE BRAINLIEST!

Mathematics
1 answer:
viktelen [127]3 years ago
4 0

The brackets containing 7 have moved. That is, 7 is associated with something different on the left and right sides of the equation. The property that lets you do that is ...

... associative property

_____

Either way you evaluate the equation, it comes out

... 3 + 3 = 10 - 4

... 6 = 6

The appropriate choice is ...

... 6 . . . . . the second selection

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Do you know has three times as many dimes as quarters the dollar amount of her dimes and quarters is $6.05 how many quarters doe
vesna_86 [32]

The number of quarters she have 11.

<h3>What is a system of equations?</h3>

A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

Let consider y = quarters; x = dimes

We know that there are 3 times as many dimes as quarters. So we can state that x = 3y.

Then, we say that 25y + 10x = 605

(Value of coin * amount of coins)

Then we substitute x=3y into the equation, yielding:

25y + 10(3y) = 605

25y + 30y = 605

55y = 605

605/55 = 11 = y

Therefore, the number of quarters she have 11.

Learn more about equations here;

brainly.com/question/10413253

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5 0
1 year ago
A library has 9,000 books. During renovations, the library wants to pack them into boxes that hold 10 books each. How many boxes
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Answer: 900 boxes

Step-by-step explanation: When you take 9,000 and divide it by the number of books in a box(10) you get 900

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3 years ago
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Can you repost this with a picture please ?
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