Mathematics, 16.03.2020 20:09 kaylaamberd
A plane is flying horizontally at an altitude of 21000 feet with a ground speed of 875 feet per second. the plane passes directly over an observation tower at sea level. a spectator in the observation tower looks straight up to see it flying over but then lowers their gaze to follow the plane. at what rate is the angle of elevation of the spectator's line of sight changing 8 seconds after the plane has passed overhead?
Answers: 2
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
Mathematics, 21.06.2019 21:30, Kizmit1423
How does reflecting or rotating a figure change the interior angles of the figure?
Answers: 2
A plane is flying horizontally at an altitude of 21000 feet with a ground speed of 875 feet per seco...
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