Mathematics, 28.03.2020 20:39 pacetys
Determine weather the equation represents a direct variation if it does find the constant of variation
0.7x-1.4y=0
A. Not direct variation
B. Direct variation, constant variation is 1/2
C. Direct variation, constant variation is 2
D. Direct variation constant variation is -2
Answers: 2
Mathematics, 21.06.2019 20:30
Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i
Answers: 1
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: 3
Determine weather the equation represents a direct variation if it does find the constant of variati...
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