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Levart [38]
2 years ago
8

A girl spent $39 and has 3/4 of the original amount left how much money did she originally have

Mathematics
1 answer:
Dvinal [7]2 years ago
3 0
Ok so divide 39 by 4 which is 9.75 then mulitiply that by 3 to get your answer of $29.25
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Helga [31]

Answer:

absolute vlaue inequality: |x-3| > 9; solved: x<-6 and x>12

Step-by-step explanation:

I’m going to start this off by saying I learned all this right now by just searching up how to solve an absolute inequality equation and watching one video, so this might not be an accurate explanation. (I’m pretty sure the answer’s right though)

So an absolute value inequality must be written like this:  

| x - a | *inequality* b

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|x - 3| *inequality* 9

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So now we're at:

|x - 3| > 9

To solve the equation, you just need to subtract 9(b) from 3(a) and add 9(a) to 3(b) to get -6 and 12. Since x must be more than 9 units away, you would get:

x<-6 and x>12

Hope this is helpful!

6 0
3 years ago
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