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
3 1/3 x 2 3/5 = 8 2/3
step-by-step explanation:
just multiply the first number by the second number to get your answer.
Answer from: Quest
529 and 531
step-by-step explanation:
Another question on Mathematics
Mathematics, 21.06.2019 14:30
Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?
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Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. what could you find the answer?
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