Mathematics, 21.01.2021 22:00 brapmaster764
A university professor fails 20% of his students in the final. After the final, he polls the students and asks
how many of them studied more than 3 hours for it. Of those who passed the final, 72% said that they
studied for it. Of those who failed the final, 31% said they studied for it. Make a tree diagram for this
problem and then answer the following questions.
Answers: 1
Mathematics, 21.06.2019 17:00
The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)
Answers: 1
Mathematics, 21.06.2019 17:00
Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis
Answers: 2
Mathematics, 21.06.2019 17:30
Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?
Answers: 3
Mathematics, 21.06.2019 23:50
The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.
Answers: 3
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