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# Let a = x ^ 2 + 4 rewrite the following equation in terms of a and set it equal to zero. (x ^ 2 + 4) ^ 2 + 32 = 12x ^ 2 + 48   ### Another question on Mathematics Mathematics, 03.02.2019 03:59
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. Mathematics, 02.02.2019 22:07
Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle? Mathematics, 02.02.2019 02:00
Two of the vertices of a rectangle are(1,-6) and(-8,-6).if the rectangle has a perimeter of 26 units,what are the coordinates Mathematics, 01.02.2019 22:38
Which graph of a hyperbola represents the equation 16x^2-y^2=16
Let a = x ^ 2 + 4 rewrite the following equation in terms of a and set it equal to zero. (x ^ 2 + 4)...
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