Mathematics, 14.10.2019 22:10 dest8860
Solve this system using matrices:
x1 − x2 + x3 = 6
2x1 − x2 + x3 = 5
3x1 + x2 + 3x3 = −20
x1 = x2 = x3 =
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Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form: science fiction books to history books 2. write the ratios as fractions: dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.
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Solve this system using matrices:
x1 − x2 + x3 = 6
2x1 − x2 + x3 = 5
<...
x1 − x2 + x3 = 6
2x1 − x2 + x3 = 5
<...
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