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montanolumpuy
22.12.2020 •
Mathematics
Solve the system of equations using substitution.
y = −2x + 1
4x + 2y = −1
(0, −3)
(−3, 0)
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Ответ:
Pita has 12 coins in her bag there are three 1 pound coins and nine 50p coins she takes 3 coins out of the bag at random, work out the probability she takes out exactly £2.50