2) 6x + 5y = -7 2x - 4y = -8 Sol: 10 10 10

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A:

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A: Answer

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Q: letter b

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Q: 14. X 30° 16 y

A:

Q: When the equation 5.74x? + 3.30æ – 1.44 = 0 is solved, the two values of the unknown a are and

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Q: 60° 30

A: Explanation of the solution is given below...

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A: Given Difference equation is:    yn+2+6yn+1+9yn=2n, y0=0, y1=0 ⇒(E2+6E+9)yn=2nA.E  : E2+6E+9=0…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.