Homework Help: 9th grade

Posted by danny on Sunday, February 22, 2009 at 8:33pm.

My question is on Distributive Property, I need help on the following questions.

1. 3(u+v)
2. 4(2+5s)+3
3. 1(a+2j+12k)
4. 15(ab+3c)
5. 2(a+2b)+3(2a-b)
6. 3(e-4f-ef)

Thanks

9th grade math - Ms. Sue, Sunday, February 22, 2009 at 8:34pm
Help needed.
9th grade - Chopsticks, Sunday, February 22, 2009 at 8:38pm
well just distribute the number outside the paratheses to the stuff inside it.

1.3u + 3v
2.8+20s+3=22+20s
add like terms

you try it from here
9th grade - Chopsticks, Sunday, February 22, 2009 at 8:39pm
oh sorry its

8+20s+3=11+20s

silly me
9th grade - Bella, Sunday, February 22, 2009 at 8:45pm
like chopsticks said..multiply what's outside of the parenthesis with everything insidefor example

3. 1j + 2j + 12k
[ 1 j is just j ] add like terms
3j + 12k

4. 15ab + 45c

by the way, you're suppose to learn this stuff way before 9th grade..how are you learning it rite now?
9th grade - danny, Sunday, February 22, 2009 at 8:46pm
thanks guys. dunno lol
9th grade - Bella, Sunday, February 22, 2009 at 8:47pm
=] well hope you understand it.. try the other two and post it later to see if you got em:)
9th grade - danny, Sunday, February 22, 2009 at 8:49pm
ok guys I want to know if I got number 6 right.
6. 3(e-4f-ef) answer: 3e-12f-3ef
9th grade - Bella, Sunday, February 22, 2009 at 8:50pm
thats right! good job =]

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