Mathematics, 19.11.2019 13:31 nnaomii
Mr. cook has a class of 18 students. he can spend $17 on each student to buy math supplies for the year. he first buys all of his students calculators, which costs a total of $155.88. after buying the calculators, how much does he have left to spend on each student?
Answers: 2
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What properties allow transformation to be used as a problem solving tool
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What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?
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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: 3
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