anonymous
  • anonymous
Please Help: Translate the following phrases into algebraic expressions. Explain, in complete sentences, the difference between the two. (3 points) twice the sum of x and y the sum of twice x and y I know that it is: 2(x+y) and 2x+y, But I don't get how to explain the difference between the two.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
ok lets concentrate on the 1st one. Read it as two parts-"twice the...(something)" & "..sum of x & y
anonymous
  • anonymous
sum of x&y= x+y
anonymous
  • anonymous
Okay

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anonymous
  • anonymous
sum of x&y= x+y. So, twice the sum of x&y= 2(x+y). Get it?
anonymous
  • anonymous
ok, the second one now. Three parts-"the sum of" , "twice x" & "y". twice x= 2x. Therefore, the sum of twice x & y is... 2x+y.
anonymous
  • anonymous
do you get it?
anonymous
  • anonymous
Yeah I think. But how would I explain the differences between the two exactly?
anonymous
  • anonymous
how you should answer these questions: as you read "the sum of", you ask yourself "ok, the sum of what?" then, you read further & go "oh twice x is nothing but 2x" & you write 2x down. You go on & read "and y" & you think "ok the sum of 2x & y -- that is 2x+y. So the answer is 2x+y."
anonymous
  • anonymous
Sorry, I stepped away from my computer for a minute... I think I get it
anonymous
  • anonymous
that's ok. ok great
anonymous
  • anonymous
thanks
anonymous
  • anonymous
For?
anonymous
  • anonymous
medal
anonymous
  • anonymous
Oh anytime! :)
anonymous
  • anonymous
lol

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