Mathematics, 09.07.2019 11:00, JellalFernandes
4x + 4y + 2z = 8 x - y -z = 0 4y - 2z = -15 x = 2, y = -2, z = 4; (2, -2,4) is (2,-2,4) a solution of the system of equations? yes or no?
Answers: 1
Mathematics, 22.06.2019 02:00, embersongracie
Asix-sided die of unknown bias is rolled 20 times, and the number 3 comes up 6 times. in the next three rounds (the die is rolled 20 times in each round), the number 3 comes up 6 times, 5 times, and 7 times. the experimental probability of rolling a 3 is 10 %, which is approximately % more than its theoretical probability. (round off your answers to the nearest integer.)
Answers: 1
Mathematics, 22.06.2019 03:30, ayoismeisjjjjuan
At the bulk food store, stacy bought 7 lbs of nuts. she used 8 ounces of nuts in a recipe and then put the rest of the nuts into small bags to use for snacks. if each small bag contains 4 ounces of nuts, how many small bags of nuts did stacy make? a, 26 b,24 c,19 d,15. show work first one , to you first user, okie welp
Answers: 1
4x + 4y + 2z = 8 x - y -z = 0 4y - 2z = -15 x = 2, y = -2, z = 4; (2, -2,4) is (2,-2,4) a solution...
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