anonymous
  • anonymous
steps to solve for x
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
|dw:1351740959275:dw|
anonymous
  • anonymous
a^2 + b^2 = c^2 where c is the length of the hypotenuse.
anonymous
  • anonymous
what do i put for a and b

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anonymous
  • anonymous
Do you know what a hypotenuse is?
anonymous
  • anonymous
x the longest side
anonymous
  • anonymous
Yes, that's right. Of the two remaining sides, it doesn't matter which one you call "a" or "b", just as long as neither is the hypotenuse because the hypotenuse is "c", or in your diagram, "x". So, you could change the formula to a^2 + b^2 = x^2 because it is understood that that is x. Once you add together the squares of "a" and "b", you THEN take the square root to get x.
anonymous
  • anonymous
can you please show me so i can use it as an example
anonymous
  • anonymous
Ok, but you will fill in the "a" and the "b". You are looking for steps as indicated in your problem. x^2 = a^2 + b^2, so x = sqrt(a^2 + b^2). As for actual steps: 1) square "a" and "b" separately, 2) add the resulting values to get one number, 3) take the square root of that number and then you have "x".
anonymous
  • anonymous
i don't understand like that i need this as an examlpe
anonymous
  • anonymous
What's "a" and what's "b"? They are in your diagram.
anonymous
  • anonymous
7 and 32
anonymous
  • anonymous
Good. So, x^2 = a^2 + b^2 becomes x^2 = 7^2 + 32^2. Now, square 7 and 32 separately and get two numbers, one for each. Add them to get one number. Take square root of that one number and you get "x".
anonymous
  • anonymous
i got 6.2 which i dont think is right
anonymous
  • anonymous
Your post came before I posted, so first go back to my last post.
anonymous
  • anonymous
1075
anonymous
  • anonymous
It's 1073, not 1075, but you were close. 1073 is x^2, so you take the square root of 1073 to get x.
anonymous
  • anonymous
3.71 13.21 5.94 8.25
anonymous
  • anonymous
|dw:1351732095243:dw|Is your diagram supposed to look like this?
anonymous
  • anonymous
no the 32 is a degree
anonymous
  • anonymous
use sin sin(32) = 7/x
anonymous
  • anonymous
That changes everything. sin 32 = 7/x. x = 7 / sin 32.
anonymous
  • anonymous
whats the final answeR?
anonymous
  • anonymous
just gave it. look for the "x ="
anonymous
  • anonymous
what???
anonymous
  • anonymous
x = 7 / sin 32.
anonymous
  • anonymous
thats not a answer choice
anonymous
  • anonymous
then do the sin 32 and use the number
anonymous
  • anonymous
I did the sine and found that the answer is one that is listed.
anonymous
  • anonymous
can you determine sin 32?
anonymous
  • anonymous
13.21?
anonymous
  • anonymous
That was for the student to get the answer, surdawi.

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