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    Mathematics - Finite Mathematics

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    I am trying to work these problems not quite sure of how to work them.

    Find the equation of the line shown ...

    A bank loaned $15,000, some at an annual rate of 16% and some at an annual rate of 10%. If the income from these loans was $1800, how much was loaned at 10%?

    Write the augmented matrix of the system ...

    2x1 -3x2 + x3 = 0 x1 - x2 - 2x3 = -2 -5x1 + x2 = -4

    (Please see the attached file)

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    https://brainmass.com/math/discrete-math/mathematics-solving-finite-mathematics-problem-219033

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    (1) The line has an x- intercept of 2 and a y- intercept of -3. Its equation is x/2 + y/-3 = 1

    -3x + ...

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