Mathematics, 04.03.2021 04:30 molly7654
The perimeter of a rectangle is 18 cm. If its length is 5 cm, find its breadth.β
Answers: 1
Mathematics, 21.06.2019 14:30
In trapezoid efgh, mβ hef=(4x2+16)β and mβ gfe=(5x2+12)β. find the value of x so that efgh is isosceles.
Answers: 1
Mathematics, 21.06.2019 19:20
Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?
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Mathematics, 21.06.2019 20:50
An automobile assembly line operation has a scheduled mean completion time, ΞΌ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.
Answers: 3
Mathematics, 21.06.2019 21:10
If f(x) = 6x β 4, what is f(x) when x = 8? a2 b16 c44 d52
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The perimeter of a rectangle is 18 cm. If its length is 5 cm, find its breadth.β...
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