Mathematics, 31.05.2021 20:20 sammybrain
Find the sum of the first 21 terms of the arithmetic sequence given by the formula an = n + 5
63
273
320
336
Answers: 1
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What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)
Answers: 2
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Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.
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Dawn is selling her mp3 player for 3 4 of the original price. the original price for the mp3 player was $40. how much is she selling her mp3 player for?
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Find the sum of the first 21 terms of the arithmetic sequence given by the formula an = n + 5
63
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