anonymous
  • anonymous
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Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
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anonymous
  • anonymous
@Luigi0210
Luigi0210
  • Luigi0210
Multiply by the radical in the first one.

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More answers

Luigi0210
  • Luigi0210
\[\frac{ 2 }{ \sqrt{5} }*\frac{ \sqrt{5} }{ \sqrt{5} }=\frac{ 2\sqrt{5} }{ \sqrt{25} }=..?\]
anonymous
  • anonymous
@Luigi0210 i think i got it! a?
Luigi0210
  • Luigi0210
nope :/
anonymous
  • anonymous
@Luigi0210 ughh! D
Luigi0210
  • Luigi0210
There you go :P
anonymous
  • anonymous
@Luigi0210 woo! & as for 5...
Luigi0210
  • Luigi0210
Ha, well for that one we need to find factors.. so what numbers multiply to 112?
anonymous
  • anonymous
@Luigi0210 1,2,4,7,8,14,16,28,56 and 112??
Luigi0210
  • Luigi0210
^_^' Let's numb it down.. what multiplies with 7 to give you 112?
anonymous
  • anonymous
@Luis_Rivera 16?
anonymous
  • anonymous
@Luigi0210
anonymous
  • anonymous
@Luigi0210 A?
Luigi0210
  • Luigi0210
There you go again with Luis D: and correct, so now we can rewrite it as \[-11\sqrt{7*16}\] Now, what is the square root of 16?
anonymous
  • anonymous
sorry! & is the answer A?
anonymous
  • anonymous
@Luigi0210
Luigi0210
  • Luigi0210
Haha, I'm just messing with you :) and correct again
anonymous
  • anonymous
@Luigi0210 thanks! can you check my answer for 8 & help with 7?
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anonymous
  • anonymous
is 7 B?
Luigi0210
  • Luigi0210
Open a new question cause I gtg.. I'll brb later sorry bud. Ask for loser66 and say I sent him to help :P
anonymous
  • anonymous
@luig
Luigi0210
  • Luigi0210
And for the first you multiply by the conjugate. the second is a triangle problem
Luigi0210
  • Luigi0210
actually nvm I got a few more mins
anonymous
  • anonymous
@Luigi0210 is the first answer B, & the second C?
anonymous
  • anonymous
Hang on. I can help with number 8 if you need it?
Luigi0210
  • Luigi0210
you are correct on the first on
Luigi0210
  • Luigi0210
*one
anonymous
  • anonymous
@Luigi0210 so is the second B? & @DoYourHomework sure!
Luigi0210
  • Luigi0210
Ha, if you're playing the guessing game then are god
Luigi0210
  • Luigi0210
*good darn typing errors -_-
anonymous
  • anonymous
|dw:1370144789860:dw|
anonymous
  • anonymous
We are trying to find d.
anonymous
  • anonymous
lol :) @Luigi0210 @DoYourHomework is it b?
Luigi0210
  • Luigi0210
What @DoYourHomework is showing is correct.
anonymous
  • anonymous
Use pythagorean \[d = \sqrt((5l)^2+l^2)\] \[d=\sqrt(26l^2) = \sqrt(l^2)\sqrt(26) = lsqrt(26)\]
anonymous
  • anonymous
OH
anonymous
  • anonymous
Got it? Haha :D
Luigi0210
  • Luigi0210
|dw:1370144928469:dw|
Luigi0210
  • Luigi0210
@DoYourHomework thanks for catching my mistake
anonymous
  • anonymous
I didn't see one haha, but np.
Luigi0210
  • Luigi0210
I accidentally multiplied the two at first instead of adding them
Luigi0210
  • Luigi0210
And there you go Effy, your problems are solved :D

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