Mathematics, 30.11.2020 05:40 ebookhardt917
alice and bob take turns to write numbers on a blackboard Alice starts by writing an integral a between 100 and 100 inclusive on the board. On each of Bob's turns he writes twice the number Alice wrote last. On each of Alice subsequent turns she writes the number 45 less than the number Bob wrote last. At some point the number a is written on the board for the second time. Find the possible value of a
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What is the missing constant term in the perfect square that starts with x^2 -20x
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Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).
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Mathematics, 21.06.2019 18:50
The first few steps in solving the quadratic equation 9x2 + 49x = 22 ? 5x by completing the square are shown. 9x2 + 49x = 22 ? 5x 9x2 + 54x = 22 9(x2 + 6x) = 22 which is the best step to do next to solve the equation by completing the square? 9(x2 + 6x + 3) = 25 9(x2 + 6x + 3) = 49 9(x2 + 6x + 9) = 31 9(x2 + 6x + 9) = 103
Answers: 3
Mathematics, 21.06.2019 20:00
1: 4 if the wew 35 surfboards at the beach how many were short boards?
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alice and bob take turns to write numbers on a blackboard Alice starts by writing an integral a betw...
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