shaleiah
  • shaleiah
How do I solve this?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
mathstudent55
  • mathstudent55
Start by drawing a figure. Draw a rectangle that is wider than high. Draw a diagonal.
shaleiah
  • shaleiah
|dw:1449683731535:dw|
mathstudent55
  • mathstudent55
Great. Now we look at it as if the length really were 16 in. and the height 9 in. Let's label it. |dw:1449683787154:dw|

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More answers

mathstudent55
  • mathstudent55
If the TV had width 16 in. and height 9 in., what would the diagonal be?
mathstudent55
  • mathstudent55
Are you familiar with the Pythagorean theorem?
shaleiah
  • shaleiah
Yes, \[16^2+9^2\]
shaleiah
  • shaleiah
256+81=337
mathstudent55
  • mathstudent55
Correct. What is that equal to?
shaleiah
  • shaleiah
\[\sqrt{337}=18.35755\]
mathstudent55
  • mathstudent55
Great. Let's add that to our figure too. |dw:1449684141919:dw|
mathstudent55
  • mathstudent55
Ok. A TV 16 in. by 9 in. has a diagonal 18.37 in. Now you can do a proportion. If a diagonal of 18.36 in. has a height of 9 in., a diagonal of 50 in. has a height of x. Use a proportion to find x.
shaleiah
  • shaleiah
Alright, |dw:1449684384802:dw|
shaleiah
  • shaleiah
50 is x
shaleiah
  • shaleiah
@AloneS
AloneS
  • AloneS
yes??
shaleiah
  • shaleiah
Did I solve this properly ? is 50 x?
AloneS
  • AloneS
umm..sorry dude..i'm not sure :/
mathstudent55
  • mathstudent55
No, you didn't finish solving.
mathstudent55
  • mathstudent55
|dw:1449685638917:dw|
mathstudent55
  • mathstudent55
What is 450/18.36 ?
shaleiah
  • shaleiah
24.50
mathstudent55
  • mathstudent55
Correct.
mathstudent55
  • mathstudent55
Why did you remove the problem? It is good to keep the problem because the solution may be helpful to other people.
mathstudent55
  • mathstudent55
Didn't the problem state to find the answer to the nearest tenth? Of course, I can't see it any more, so I'm not sure. If so, then it should be 24.5 in., not 24.50 in.

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