Mathematics, 20.01.2020 17:31 aaamanda99
Two hourglasses are turned over at the exact same time. the first hourglass contains 300 grams of sand in the upper bulb and sand flows down into the lower bulb at a rate of 5 grams per minute. the second hourglass contains 200 grams of sand in the upper bulb and sand flows down into the lower bulb at a rate of 2 grams per minute. determine the approximate number of minutes it takes for the amount of sand in the top bulbs of the hourglasses to be equal.
Answers: 3
Mathematics, 21.06.2019 18:30
Three times the sum of a number and seven is negative thirty-six. what is the number?
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Mathematics, 22.06.2019 01:00
Pentagon abcde is dilated according to the rule do,3(x,y) to create the image pentagon a'b'c'd'e', which is shown on the graph. what are the coordinates of point a of the pre-image? a) (-1, 1)b) (-1, 2)c) (-9, 6)d) (-9, 18)
Answers: 3
Two hourglasses are turned over at the exact same time. the first hourglass contains 300 grams of sa...
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