scienceteen8
  • scienceteen8
PLZ help questions down below
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
scienceteen8
  • scienceteen8
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scienceteen8
  • scienceteen8
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FortyTheRapper
  • FortyTheRapper
For number 13.) you would have to get n by itself. How would you?

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scienceteen8
  • scienceteen8
would i first add the mixed number frations and then add n+5?
FortyTheRapper
  • FortyTheRapper
Not exactly, you wouldn't add them. In order to get n by itself, you would have to move 5 3/7 to the other side of the equal sign by way of subtraction
scienceteen8
  • scienceteen8
and that would make it 1 3/7
FortyTheRapper
  • FortyTheRapper
Exactly! Since you subtracted the whole numbers and then the mixed numbers
scienceteen8
  • scienceteen8
ok
FortyTheRapper
  • FortyTheRapper
Ill do one more with you, but then I have to go somewhere, sorry Which one seems the most confusing on your list?
scienceteen8
  • scienceteen8
thats ok and number 15
FortyTheRapper
  • FortyTheRapper
So we have two different denominators, one of them is 5 and one of them is 10. What we need to do is first, make them both the same. In most cases you see if the smaller number can be multiplied by a whole number to get the larger one Can 5 be multiplied by a whole number to get 10? If so 5 times what is 10?
scienceteen8
  • scienceteen8
5*2
FortyTheRapper
  • FortyTheRapper
Correct! Now since the fraction was in terms of 5, we have to do the same to numerator So 5* 2 was 10, which makes 2 (The numerator) * 2 = 4, right? That gives us x+3(4/10) = 4(7/10) Now we wanna do what we did in the last step and move the 3(4/10) to the other side by way of subtraction
scienceteen8
  • scienceteen8
1 3/10 ?
FortyTheRapper
  • FortyTheRapper
Yes, good work!
scienceteen8
  • scienceteen8
ok thank you for the help
FortyTheRapper
  • FortyTheRapper
Anytime!

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