9 Required informationNOTE This is a multi-part question Once an answer is submitted, you will be unable to return to this part.Let A= (a, b, cj, B- (x, v, and C= (0.1.Identity Bx B BMultiple Choice(x, X ), (K, K. (x. y, M, Ix, y. . x y. K . .y X. w. M)(IK, K M. (x X M. (K. y. . (K.V.. Y. K. M. . x . Ly y. M. V w)IA. K A). (X, X M, (x. y (x Y. . v. x, ). (V. X M. (y. Y. X. .V )

Here we have to find B*B*B. Where B ={x.y}

Required information NOTE This is a multi-part question Once an answer is submitted, you will be unable to return to this part Let A (a, b, . B-(x y, and C= (0. 1) Identity 8x8 B Multiple Choice O K, xM. (x x y xy. . (xY. nx M. y, K . y y, M. . Y. M x M. K x , (x y . ix y. . G.y. M .y M. V M) B x . (K. x. y. W. (Ky. . Lv. X. . (v x M. (y. y. . . . v)

Required information NOTE This is a multi-part question Once an answer is submitted, you will be unable to return to this part Let A (a, b, . B-(x y, and C= (0. 1) Identity 8x8 B Multiple Choice O K, xM. (x x y xy. . (xY. nx M. y, K . y y, M. . Y. M x M. K x , (x y . ix y. . G.y. M .y M. V M) B x . (K. x. y. W. (Ky. . Lv. X. . (v x M. (y. y. . . . v)

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter6: Matrices And Determinants

Section6.1: Matrices And Systems Of Linear Equations

Problem 74E: Traffic Flow A section of a city’s street network is shown in the figure. The arrows indicate...

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A Precocious Child and Her Blocks A child has 64 blocks that are 1-inch cubes. She wants to arrange the blocks into a solid rectangle h blocks long and w blocks wide. There is a relationship between h and w that is determined by the restriction that all 64 blocks must go into the rectangle. A rectangle h blocks long and w blocks wide uses a total of h X w blocks. Thus, hw = 64. Applying some elementary algebra, we get the relationship that we need: w=64h(2.3) Use a formula to express the perimeter P in terms of h and w. Using Equation 2.3, find a formula that expresses the perimeter P in terms of the height only. How should the child arrange the blocks if she wants the perimeter to be the smallest possible? Do parts b and c again, this time assuming that the child has 60 blocks rather than 64 blocks. In this situation, the relationship between h and w is w = 60/h. Note: Be careful when you do part c. The child will not cut the blocks into pieces
Traffic Flow A section of a city’s street network is shown in the figure. The arrows indicate one-way streets, and the numbers show how many cars enter or leave this section of the city via the indicated street in a certain one-hour period. The variables x, y, z, and w represent the number of cars that travel along the portions of First, Second, Avocado, and Birch Streets during this period. Find x, y, z, and w, assuming that none of the cars stop or park on any of the streets shown.
APPLICATIONS Traffic FlowA section of a citys street network is shown in the figure. The arrows indicate one-way streets, and the numbers show how many cars enter or leave this section of the city via the indicated street in a certain one-hour period. The variables x, y, z, and w represent the number of cars that travel along the portions of First, Second, Avocado, and Birch Streets during this period. Find x, y, z, and w, assuming that none of the cars stop or park on any of the streets shown.
pH of Wine If the pH of a wine is too high, say, 4.0 or above, the wine becomes unstable and has a flat taste. a A certain California red wine has a pH of 3.2, and a certain Italian white wine has a pH of 2.9. Find the corresponding hydrogen ion concentrations of the two wines. b Which wine has the lower hydrogen ion concentration?