SOLUTION: I cannot figure out the Pythagorean theorem when there is two variables and one regular number. I need to solve {{{x^2+3x^2=18^2}}}.I have(well I think) already between 5 2/3 and 5
Algebra.Com
Question 123457This question is from textbook College Prepatory Mathematics 1
: I cannot figure out the Pythagorean theorem when there is two variables and one regular number. I need to solve .I have(well I think) already between 5 2/3 and 5.7.
This question is from textbook College Prepatory Mathematics 1
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
solve
:
x^2 and 3x^2 are like terms, just add them together, square 18 to get 324
Divide both sides by 4
x =
x = 9
:
:
Check solution:
9^2 + 3(9^2) =
81 + 3(81) =
81 + 343 = 324, which is 18^2
RELATED QUESTIONS
I cannot figure out the Pythagorean theorem when there is two variables and one regular... (answered by jim_thompson5910)
I cannot find out how to solve for X when there is two sides with variables and one with... (answered by solver91311)
Hi
I cannot under stand how to solve the Pythagorean theorem if:
Leg 1- x
Leg 2-... (answered by Alan3354)
I cannot figure this one out and I have been trying for a while now. I need help please.... (answered by Edwin McCravy)
Please solve x + 1 = 2/3x algrbracially. Please, step by step, I need to see how the... (answered by EMStelley,monika_p,solver91311)
Hello,
I am using the pythagorean theorem to obtain a polynomial equation. This is... (answered by richwmiller)
c=10 and b=3a; use the Pythagorean theorem to find a and b.
I've always been good with (answered by MathLover1)
Using the Pythagorean Theorem and a quadratic equation to find side lengths of a right... (answered by ewatrrr)
A diagonal of a rectangle is 17cm long and forms an angle of 27° with a side of the... (answered by solver91311)