anonymous
  • anonymous
How do you solve this? The plan shows part of a roof on a house. A horizontal beam parallel to the base of the roof connects the roof and the central pillar. What is the unknown measurement on the plan? http://www.clipular.com/c/5193058980200448.png?k=w4SPOFD6juQAXGqjh1HwH8E9_zE
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
@peachpi
anonymous
  • anonymous
@ganeshie8
anonymous
  • anonymous
@aaronq

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More answers

anonymous
  • anonymous
@sleepyhead314
anonymous
  • anonymous
Thank You so FLIPPING much
sleepyhead314
  • sleepyhead314
We are given two similar triangles :) One of the triangles has sides 14 and 8 the other triangle has sides (? + 14) and (8 + 15) do you see what I mean? :)
sleepyhead314
  • sleepyhead314
btw Welcome to OpenStudy ;) sorry that you weren't getting help fast enough .-.
anonymous
  • anonymous
Do I have to subtract the 8 and the 5 to get the (?) And thanks, and its fine lol
sleepyhead314
  • sleepyhead314
One of the triangles has sides 14 and 8 the other triangle has sides (? + 14) and (8 + 15) With these two pieces of information, we can make a ratio thing 14 8 ------------- = --------------- (? + 14) (8 + 15)
sleepyhead314
  • sleepyhead314
sorry, gimma a sec, I'm not sure that was right
anonymous
  • anonymous
Your good. At least your helping :)
sleepyhead314
  • sleepyhead314
it's right, there had been just another way to right it and I got confused xD so 14 8 ------------- = --------------- (? + 14) (8 + 15) can you cross multiply and solve for the "?" :)
anonymous
  • anonymous
Woa, This is confusing. Sorry I'm a slowpoke. I'll figure it out. Thank you for your help :)
sleepyhead314
  • sleepyhead314
No worries ^_^ cross multiplying really is confusing at times :P (I finally figured it out like 3 years after I was supposed to have learned it xD) would you like for me to help break it down more for you? :)
anonymous
  • anonymous
Haha. Thank you so much. Your very helpful and comforting. But yes that would be great
sleepyhead314
  • sleepyhead314
here's how I learned it Have you seen 1 --- x 2 = 1 2 happen before?
anonymous
  • anonymous
Yeah I see it
sleepyhead314
  • sleepyhead314
it is the same idea :) 14 8 ------------- = --------------- (? + 14) (8 + 15) we would multiply both sides by (? + 14) first and get 14 8*(? + 14) ---------- = -------------- (1) (8 + 15) it would cancel out the Denominator on the Left side and stay in the Numerator on the Right side
anonymous
  • anonymous
So for the earlier equation its 112 and 322?
sleepyhead314
  • sleepyhead314
you got it :) 322 = 8*? + 112
anonymous
  • anonymous
So the answer to the question is that? ._.
sleepyhead314
  • sleepyhead314
not quite xD 322 = 8x + 112 let's use the variable "x"? does that look familiar? can you solve for "x"?
anonymous
  • anonymous
x = 1 and 1 times 8 is 8?
sleepyhead314
  • sleepyhead314
hmm?
sleepyhead314
  • sleepyhead314
322 = 8x + 112 -112 -112 subtract 112 from both sides to get "8x" alone ------------------------- 210 = 8x
anonymous
  • anonymous
Oh okay :D
sleepyhead314
  • sleepyhead314
then divide both sides by 8 to get "x" alone 210 = 8x ------ ---- 8 8
anonymous
  • anonymous
26.25 and the 8 gets cancelled out?
sleepyhead314
  • sleepyhead314
exactly :)
anonymous
  • anonymous
Wow :) Thank You so much. You tha realest dawg. Heres some DAP.... Boom!
sleepyhead314
  • sleepyhead314
I'm happy I could help :)
anonymous
  • anonymous
Yes. When no-one else was there you woke up and showed me the way. Your my mathematical savior. Theres a special pace for people like you in heaven.
sleepyhead314
  • sleepyhead314
"woke up" punny considering my name xD lol
sleepyhead314
  • sleepyhead314
I will be on and off throughout the rest of the day, if you need any more help, just tag me ^_^
anonymous
  • anonymous
Thank You sooooo much!
anonymous
  • anonymous
Have a great day :)
sleepyhead314
  • sleepyhead314
you too :)

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