Mathematics, 24.06.2019 15:10 Scoopaloop

# Solve the system of equations using substitution. y = 4x + 6 y = 2x

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Mathematics, 21.06.2019 16:00

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

Answers: 3

Mathematics, 21.06.2019 19:40

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

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Mathematics, 21.06.2019 21:50

What function has a range {yly< 5}? question on picture above^

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Solve the system of equations using substitution. y = 4x + 6 y = 2x...

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