question 5

MAT200Exam1 - Saved to my Mac Q ~ Search in Document Home Insert Design Layout References Mailings Review View L Share ~ AaBbCcDdEe AaBbCcDdEe AaBbCcDc AaBbCcDdE AaBb( AaBbCcDdEc Aa BbCcDdEe AaBbCcDdEe Paste B I U abe X2 X? A A Normal No Spacing Heading 1 Heading 2 Title Subtitle Subtle Emph Emphasis Styles Pane - Z 4)- Show that the given matrices are inverses of each other. w 5)- Average gas prices.in Omaha on January .4, 2010. were as follows: Regular- $3.03 per gallon:-Midgrade-$3.14 per. gallon.Premium -$3.24.per gallon. Suppose a company made gasoline purchases for cars based at 3.different. stores as given in the matrix .C, ....1 C=.....Store.A...900....... .350......2259 . .. .. ... Store .B...750........500......1509 ... ......Store. .C...1050......730........-7591 [3.03 Let A= [3.03 3.14 3.24] and B= 3.14 a) What are the dimensions of A and B? Interpret A and.B? 1 3.24 b) Which matrix .product .AC.or .CB.will give the gasoline costs for each store? .c).Find the gasoline costs for each store. 1 6).Two metals, X and .Y are extracted from 2.types of ore, P and.Q. One hundred pounds of ore.P.yield .3 ounces of.X and. 5 ounces of Y, and . 100.pounds of ore Q.yields.4 ounces of.X and .2.5.ounces of.Y. How many pounds of ores.P and .Q will. be required .to produce.72 ounces of.X and .95.ounces of Y?.9 Page 1 of 1 257 words English (United States) Focus 225%