Mathematics, 09.09.2021 16:40 raam360
The given rates are in hours per gallon. If we rewrite them in terms of gallons per hour, we have ...
... Jenny + Penny = 1/2 . . . . gallon per hour
... Penny + Lenny = 3/5 . . . gallon per hour
... Jenny + Penny + Lenny = 1 . . . gallon per hour
Subtracting the 2nd equation from the last, we have ...
... (Jenny +Penny +Lenny) -(Penny +Lenny) = (1) -(3/5)
... Jenny = 2/5 . . . . gallon per hour
It will take Jenny 5/2 = 2.5 hours to eat a gallon of ice cream by herself.
Answers: 2
Mathematics, 21.06.2019 17:20
Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?
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Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
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Mathematics, 21.06.2019 21:20
Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)
Answers: 3
The given rates are in hours per gallon. If we rewrite them in terms of gallons per hour, we have .....
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