Mathematics, 09.02.2021 04:30 lifeisgaming37
A small engineering company has an old machine which produces 30 components per hour and has recently replaced it with a new machine that produces 40 components per hour. Yesterday, both machines were in operation for different periods of time. If 545 components were produced when the total number of hours was 15, determine for how many hours each machine was operating.
Answers: 2
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In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%
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Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}
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Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points
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