Mathematics, 23.01.2020 04:31 tristansanders0126
1) a container full of water weighs 15.5 lbs. when 1⁄4 of the water is poured out, the container now weighs 12 1⁄2 lbs. how much does the container weigh when empty?
2) on the farm, rather than use money, they exchange animals. the exchanges are are
follows:
4 bunnies = 3 chickens
5 chickens = 2 pigs
3 pigs = 2 donkeys
how many bunnies would you have to trade for a donkey?
3) when 144 is divided by n, there is a remainder of 11. when 220 is divided by n, there is also a remainder of 11. what is the value of n?
4) albert einstein is experimenting with two unusual clocks which both have 24-hour
displays. one clock goes at twice the normal speed. the other clock goes backwards, but at the normal speed. both clocks show the correct time at 13: 00.
at what time do the displays on the clocks next agree?
5) the mean, median and mode of five numbers are all the same. if four of the numbers
are 7, 7, 5 and 7, what must the fifth number be?
Answers: 2
Mathematics, 21.06.2019 18:40
A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days
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Mathematics, 21.06.2019 20:30
Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.
Answers: 1
Mathematics, 22.06.2019 01:30
Triangle abc was translated 2 untits to the right and 3 units down. write the algebraic rule that describes the translation that was applied to triangle abc to create triangle a'b'c'.
Answers: 2
1) a container full of water weighs 15.5 lbs. when 1⁄4 of the water is poured out, the container now...
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