Solve the system by elimination   -4x-4y=-12 4x-3y=19

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A: The objective of the question is evaluate the matrices .

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Q: 7. Let A be an invertible matrix. Prove that if A-1 = AT, then det(A) = ±1.

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Q: c)

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Q: 11) f(x) = x+3x3-4x2 - 10x - 4

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Q: Reduce all answers to their lowest terms. 3 1/1×22/12/2 X 13 Ĥ Enter

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Q: 4. For what values of λ is the matrix below singular? Ιλ 9 9 01 924 4 2 LO

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A: Given: The sum of twice a number and 7 is 15. To Find: The number.

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Q: 1. Find the Laplace transform of each function by using the First Shifting Theorem: (a) f(t) = t³ et…

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Q: 9.) The number of bacteria Culture initial سما the is population a increasing according to growth.…

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Q: What amount increased by 180% is $32.56? $18.09 $91.17 $12.45 $11.63 $180.89 4

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Q: it is saying incorrect

A: the solution given is correct . I have solved it in fraction . Hope this will help.

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