dayb4203 dayb4203

01-03-2018
Mathematics

contestada

If a+b=5 and a-b=3 find the value of a^2-b^2

Respuesta :

googlegoogle2 googlegoogle2

01-03-2018

A = 4. B = 1. The b’s cancel each other out. Then you have 2a = 8. Divide 8 by 2 and get 4. That’s a=4. Then put a back into either problem. So 4+_=5. B=1. 16-1=15. 15 is the answer

Answer Link

Otras preguntas

John Calvin believed in the idea of ________ meaning that God determined one’s salvation before birth. a) predestination b) theocracy c) reincarnation d) indul

Please Answer !! Suppose that G(x) =F(x)-4. Which statement best compares the graph of g(x) with the graph of f(x) ?A. The graph of g(x) is the graph F(x) shift

Find the indicated dot product. r = <9, -7, -8>, v = <3, 4, 7>, w = <6, -9, 7> v ⋅ w

What is the value of y so that the line segment with endpoints A(−3, y) and B(6, −4) is parallel to the line segment with endpoints C(−7, 6) and D(−1, 4)? y =

help me please thanks

Why is the nirtogen cycle important to the ecosystem??

how much is 1413 days in years?

What is the direction of the electric field at a point directly below a negative charge?

what is made out of salt

This is a process where a parent cell divides into four sex cells with half the chromosomes.