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Matched Problem 3 Estimate the age of the bone in Example 3 (to the nearest 100 years) if 50% of the original amount of carbon-14 is present.
EXAMPLE 3 Archaeology A human bone fragment was found at an archaeological site in Africa. If 10% of the original amount of radioactive carbon-14 was present, estimate the age of the bone (to the nearest 100 years).
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Chapter 5 Solutions
Pearson eText for Calculus for Business, Economics, Life Sciences, and Social Sciences, Brief Version -- Instant Access (Pearson+)
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- Please help with 18 c) with as much detail. Thanksarrow_forwardPage of 2 ZOOM + 1) a) Answer the following questions by circling TRUE or FALSE (No explanation or work required). [1 0 0 i) A = 0 2 6 is invertible. (TRUE FALSE) LO -4-12] ii) We can use the transpose of the cofactor matrix to find the inverse of a matrix. (TRUE FALSE) = iii) If A 2, and A is a 5x5 square matrix, |2A] = 64. (TRUE FALSE) iv) Every vector space must contain two trivial subspaces. (TRUE FALSE) v) The set of all integers with standard operations is a vector space. (TRUE FALSE) b) Write v as a linear combination of the vectors in the set S, if possible, where v=(1,-4), and S={(1,2),(1,-1)}. 2) a) Solve the following system of linear equations using Cramer's Rule and check the correctness of your answer. 4xyz 1 2x + 2y + 3z = 10 5x-2y-2z = -1 b) Find the adjoint of the following matrix A. Then use the adjoint to find the inverse of A if possible, and check the correctness of your answer. A = c) Determine whether the following points are collinear. Why or why not? If not,…arrow_forwardA boat's value over time, x, is given as the function f(x) = 400(b)x. Graph the boat's value decreasing at a rate of 25% per year?arrow_forward
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