Mathematics, 04.11.2020 18:00 smiley0326
Jamie and Jason want to exchange secrets (terrible secrets) from across a crowded whispering gallery. Recall that a whispering gallery is a room which, in cross section, is half of an ellipse. If the room is 15 feet high at the center and 60 feet wide at the floor, how far from the outer wall should each of them stand so that they will be positioned at the foci of the ellipse
Answers: 1
Mathematics, 21.06.2019 18:00, 22justinmcminn
Darian wants to build a regulation size pool table that is 9 feet in length. he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table
Answers: 1
Mathematics, 21.06.2019 20:30, kuddlebugsmommy
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
Jamie and Jason want to exchange secrets (terrible secrets) from across a crowded whispering gallery...
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