anonymous
  • anonymous
Find the value of x and y in the diagram below. (okay so I attempted this problem, but I still did not get the correct answer)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
rishavraj
  • rishavraj
its a rectangle for sure..... do u know to get projections???
anonymous
  • anonymous
I don't even know what that means :o @rishavraj

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More answers

anonymous
  • anonymous
What did you do? It's similar to what we did earlier. :)
anonymous
  • anonymous
I did 9(x)= 9 sqrt 2
anonymous
  • anonymous
|dw:1438480912945:dw|
anonymous
  • anonymous
So 9 is the \[a \sqrt{3}\] because it is the opposite of 60 degrees.
anonymous
  • anonymous
So I do 9 sqrt 3?
anonymous
  • anonymous
No. Because 9 is not the a. You need to find the a first.
anonymous
  • anonymous
So you must equal 9 to a square root of 3.
anonymous
  • anonymous
\[\huge 9=a \sqrt{3}\]
anonymous
  • anonymous
Now solve for a.
anonymous
  • anonymous
Oh brothers.. how do I solve for a if it's not a legit numbers? unless 2 is a..
anonymous
  • anonymous
|dw:1438481307802:dw|
anonymous
  • anonymous
ohhh I think I might get it. So y must equal 4.5
anonymous
  • anonymous
Hmmm idk what you're talking about. :D
anonymous
  • anonymous
So a= 9/sq rt of 3 but you still need to rationalize it. You can't have a square root in the denominator.
anonymous
  • anonymous
|dw:1438481444679:dw|
anonymous
  • anonymous
You think you can simplify \[\frac{ 9\sqrt{3} }{ 3 }\]
anonymous
  • anonymous
|dw:1438481621511:dw|
anonymous
  • anonymous
|dw:1438481661467:dw|
anonymous
  • anonymous
After that, you will find 2a or x in your problem. \[3\sqrt{3}\times2=?\]
anonymous
  • anonymous
ohh so I got 6.92820323028
anonymous
  • anonymous
Oh you don't have to find the exact value. Look at your choices.
anonymous
  • anonymous
To multiply this, what is 3 times 2? Then simply put the square root of 3.
triciaal
  • triciaal
|dw:1438481623939:dw|
anonymous
  • anonymous
|dw:1438481942163:dw|
anonymous
  • anonymous
I got 10.3923048454
anonymous
  • anonymous
|dw:1438482010381:dw|
anonymous
  • anonymous
What is 3 times 2?
anonymous
  • anonymous
6
anonymous
  • anonymous
Then add the square root of 3. Then that's it.
anonymous
  • anonymous
|dw:1438482119315:dw|
anonymous
  • anonymous
I give up it's all coming out in decimals :o
anonymous
  • anonymous
That is simply 6 sq root of 3. You don't have to use the calculator.
anonymous
  • anonymous
|dw:1438482340382:dw|
triciaal
  • triciaal
|dw:1438482460151:dw|

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