Mathematics, 22.05.2020 00:57 joeduf
Solve this system of equations algebraically: y + x = 19 – x2 x + y = 80 1. Isolate one variable in the system of equations. y = –x2 – x + 19 y = –x + 80 2. Use substitution to create a one-variable equation. –x + 80 = –x2 – x + 19 3. Solve to determine the unknown variable in the equation. The system has real number solution(s).
Answers: 1
Mathematics, 21.06.2019 21:30, theoretical0315
Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$
Answers: 1
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