Mathematics, 04.11.2020 06:00 jaylabazemore
PLEASE HELP
Given that y varies inversely with the square of x, and that y=20 when x=1/2
(i) find an equation connecting x and y (worth 4 marks)
(ii) determine the value of x when y=1/2 (worth 2 marks)
Answers: 2
Mathematics, 21.06.2019 13:00
Solve the system by the elimination method. 3x - 2y - 7 = 0 5x + y - 3 = 0 to eliminate y, the lcm is 2. which of the following is the resulting equations? 1.3x - 2y - 7 = 0 5x + y - 3 = 0 2.3x - 2y - 7 = 0 -10x - 2y + 6 = 0 3.3x - 2y - 7 = 0 10x + 2y - 6 = 0
Answers: 1
Mathematics, 21.06.2019 19:30
Which inequality has a dashed boundary line when graphed ?
Answers: 2
Mathematics, 21.06.2019 23:00
Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.
Answers: 2
PLEASE HELP
Given that y varies inversely with the square of x, and that y=20 when x=1/2
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