Need help with algebra, me, i beg you

  • Thread starter Thread starter i-love-physics
  • Start date Start date
  • Tags Tags
    Algebra
AI Thread Summary
The discussion revolves around seeking help with algebra, specifically quadratic equations and solving for variables. The user struggles with transforming the equation L/2 = x + 60 into a quadratic form and seeks clarification on the variables involved. For the second equation, -33.34 + L = 0.8334 x L, the solution involves rearranging and factoring to isolate L. The response provides a method to solve for L by subtracting L from both sides and simplifying. Overall, the thread emphasizes the need for guidance in understanding algebraic concepts and solving equations.
i-love-physics
Messages
31
Reaction score
0
need help with algebra, please help me, i beg you

hey guys

I have a exam on monday on maths and i am having trouble with quadradic equations.

the 2 questions i am having trouble with are as follows:

L/2 = x +60 how do i turn this into a quadradic equation??

i know the formula for quadradic equations but i can't put 2 and 2 together and i would greatly appreciated if someone could just show me how to do it.


also another question is


-33.34 + L = 0.8334 x L


how do i find out what L is?
 
Mathematics news on Phys.org
For the first, what is L and x? Because it's not a quadratic equation.

for the second
-33.34 + L = 0.8334 x L

Assuming x is multiplication, subtract L from both sides.

-33.34 = .8334*L - L = L*(.8334 - 1) (by factoring L)

So divide both sides by .8334-1 yields your answer
 
Office_Shredder said:
For the first, what is L and x? Because it's not a quadratic equation.

for the second



-33.34 + L = 0.8334 x L

Assuming x is multiplication, subtract L from both sides.

-33.34 = .8334*L - L = L*(.8334 - 1) (by factoring L)

So divide both sides by .8334-1 yields your answer


thank you kind sir.
 
Fermat's Last Theorem has long been one of the most famous mathematical problems, and is now one of the most famous theorems. It simply states that the equation $$ a^n+b^n=c^n $$ has no solutions with positive integers if ##n>2.## It was named after Pierre de Fermat (1607-1665). The problem itself stems from the book Arithmetica by Diophantus of Alexandria. It gained popularity because Fermat noted in his copy "Cubum autem in duos cubos, aut quadratoquadratum in duos quadratoquadratos, et...
Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. In Dirac’s Principles of Quantum Mechanics published in 1930 he introduced a “convenient notation” he referred to as a “delta function” which he treated as a continuum analog to the discrete Kronecker delta. The Kronecker delta is simply the indexed components of the identity operator in matrix algebra Source: https://www.physicsforums.com/insights/what-exactly-is-diracs-delta-function/ by...
Thread 'Imaginary Pythagorus'
I posted this in the Lame Math thread, but it's got me thinking. Is there any validity to this? Or is it really just a mathematical trick? Naively, I see that i2 + plus 12 does equal zero2. But does this have a meaning? I know one can treat the imaginary number line as just another axis like the reals, but does that mean this does represent a triangle in the complex plane with a hypotenuse of length zero? Ibix offered a rendering of the diagram using what I assume is matrix* notation...

Similar threads

Back
Top