The best way to solve is by elimination. First, write the equations in standard form. 12x-y=18 13x-y=18 Multiple the bottom equation by -1 12x-y=18 -13x+y=-18 Add. -x=0 x=0 Plug into other equation 12(0)-y=18 0-y=18 -y=18 y=-18 Your answer is B. (0,-18)
Answer from: Quest
answer:
what is your question that you ask
step-by-step explanation:
Answer from: Quest
If gravity is one third on mars then weight also one third on mars
Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.
Use the given information to determine the exact trig value. cot theta = -square root of 5 / 2 , pi/2 < theta < pi, tan theta a.) - square root of 5 / 5 c.) - 2 square root of 5 / 5 b.) - square root of 5 / 2 d.) the answer isn't d, it was incorrect