Print your × t Your eBay x 0 Really Sir x a Amazon c X () Therme #1 × , O (1) Wi

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Print your × t Your eBay x 0 Really Sir x a Amazon c X () Therme #1 × , O (1) Winx C ?( D Pearson E r i Chegg Stu ? ¾ M148-Sec X Untitled d/X ? | www.webassign.net/web/Student/Assignment-Responses/submit?dep#1 851 3682#Q5 Need Help?Read It 10. -18.33 points WaneFMAC7 12 2.051. My Notes A postal service will accept packages only if the length plus girth is no more than 60 inches. (See the figure.) Assuming that the front face of the package (as shown in the figure) is square, what is the largest volume package that the postal service will accept? in3 Length Girth Need Help? 11. 018.37 points | Previous Answers WancFMAC7 12 2.057 My As the financial consultant to a classic auto dealership, you estimate that the total value (in dollars) of its collection of 1959 Chevrolets and Fords is given by the formula v 302,000 960t2 (tz 5) where t is the number of years from now. You anticipate a continuous inflation rate of 5% per year, so that the discounted (present) value of an item that will be worth $v in t years' time is P ve-0.05 When would you advise the dealership to sell the vehicles to maximize their discounted value? (Round your answer to one decimal place.) x years from now Need Help L-Read it L watch

Explanation / Answer

10.

Let the length be y and girth =x

4x+y =60

y = 60 -4x

V = x2y =x2(60-4x) = 60x2-4x3

V ' = 120x -12x2

V ' =0

120x -12x2 =0

12x(10 -x) =0

x=0 , x=10 inches

y = 60 - 4(x) = 60-4(10) = 20 inches

Volume = x2y = 102(20) = 2000in3

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