12/03/21

Optimization problem

Boston College is building a new running track. It is to be the perimeter of a region obtained byputting two semicircles on the ends of a rectangle. However, the administration decides they’d also... more

12/03/21

probability assignment

A jar contains 6 pennies, 14 nickels,16 dimes, and 4 quarters. If onecoin is chosen at random, findeach probability.P(worth at least 5 cents)

Show that u and v are orthogonal if and only if (||u+v||)^2 = ||u||^2+||v||^2.

Show that u and v are orthogonal if and only if (||u+v||)^2 = ||u||^2+||v||^2.

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