Question

Feel free to help.

Translate the following phrases into algebraic expressions. Explain, in complete sentences, the difference between the two.

1. twice the sum of x and y
2. the sum of twice x and y

Answer 1

Already a response of here:

2(x+y)
. 2x+y
If we write the sum in parenthesis, it affects all thing in parenthesis. If we do not use parenthesis, the question is as it is."

CITE: http://openstudy.com/study#/updates/4fa3c430e4b029e9dc3450f4

Answer 2

are those the right answers?

Answer 3

Yes, they are the answers.
http://www.purplemath.com/modules/translat.htm
Translating word problems into algebraic expressions can be troublesome, if you are not aware of the common phrases or "keywords," such as the "sum" or "twice."

Answer 4

C. Create your own example of a mathematical phrase you might hear in the real world and provide the translation for it. Be sure to identify what part of the phrase is represented by your variable.

Answer 5

Tell me if this algebraic expressions is correct:

Becky's age is half of Andrea's.
\[\frac{ 1 }{ 2 }a=b\]

Answer 6

yes.

Answer 7

lol
I was kidding.

Answer 8

If you are now 17-years-old, how old should Becky be?

Answer 9

8.

Answer 10

im 16 btw ;)

Answer 11

but if it was 17 then it would be 8.5

Answer 12

so is the algebraic expression correct or not?

Answer 13

it is.

Answer 14

k, you can use it as an example.. change it a little bit

Answer 15

okay. thanks.