Mathematics, 02.12.2021 21:10 webbjalia04
Determine k∈r for which the system x1 3kx3=1kx1−x2−x3−kx4=−1−x1 kx3 (2−k)x4=0−2kx1 (4k−2k2)x3 (1 k)x4=2 has (i) a unique solution, (ii) infinitely many solutions, (iii) no solution.
Answers: 3
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Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6 m−6 6m
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Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field
Answers: 2
Determine k∈r for which the system x1 3kx3=1kx1−x2−x3−kx4=−1−x1 kx3 (2−k)x4=0−2kx1 (4k−2k2)x3 (1 k)x...
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