Mathematics, 02.04.2020 08:19 katiepotter
The first four terms of an arithmetic sequence are 2,a-b, 2a+b+7 and a - 3b, where a and b are constants. Find a and b
Answers: 2
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Select the lengths in centimeters that would form a right triangle
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Mathematics, 21.06.2019 20:50
There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?
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Mathematics, 21.06.2019 22:00
Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0
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The first four terms of an arithmetic sequence are 2,a-b, 2a+b+7 and a - 3b, where a and b are const...
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