Zadanie 3b
Find the x-coordinate of B.
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Znaleziono 971 zadań
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A geometric sequence begins with 80 and has fourth term 121.67. Let Sₙ be the sum of its first n terms. Find the least positive integer n for which Sₙ>12000.
A differentiable function satisfies f′(x) = 10x/(x2 + 4) for real x and f(2)=1. Find f(x).
A collection of unprocessed archival files shrinks according to N(t) = 24000ekt, k<0, where t is the number of years after 1 January 2017. By 1 January 2023,14% of the initial files had been processed. Estimate the number remaining on 1 January 2036.
Find P(A∩B) if the events are independent.
Find the smallest possible value of P(A∩B).
Find the largest possible value of P(A∩B), with a justification.