Mathematics, 27.02.2021 02:10 animationfusion
Tuesday
1. Joel is trying to find the slope of a line containing the
points (3,5) and (2,1). He knows that the slope is the
difference between the x and y coordinates of the two
points and so he solves 3 - 2 = 1 and 5 - 1 = 4. He then
1
concludes that the slope of the line is . Identify Joel's
4
mistake and solve the problem correctly.
Answers: 2
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If y varies directly as x2 and y=6 when x=6, find the constant of variation.
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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.
Answers: 3
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What is the difference between the equations of a vertical and a horizontal line?
Answers: 2
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Two sides of a right triangle measure 2 units and 4 units. what is the area of the square that shares a side with the third side of the triangle?
Answers: 2
Tuesday
1. Joel is trying to find the slope of a line containing the
points (3,5) and (2,1)....
points (3,5) and (2,1)....
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