Mathematics, 02.02.2021 03:10 danyratilladc
Which of the equations are true identities? A. n(n –2)(n + 2) = n³ – 4n B. (x + 1)² – 2x + y² = x² + y² + 1 Choose 1 Only A Only B Both A and B Neither A nor B
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Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.
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Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.
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Which of the equations are true identities? A. n(n –2)(n + 2) = n³ – 4n B. (x + 1)² – 2x + y² = x² +...
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