Solve by elimination.-6x + 4y = -2-30x + 20y = -10

A. (-8, 12)
B. No solution
C. Infinite number of solutions
D. (12, -8)


Answer: C

Mathematics

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What will be an ideal response?

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Provide an appropriate response.For x2 + xy + yz + z2 = 6, the partial derivative  evaluated at x = 1, y = 2, z = 1 is

A. - 
B. -1
C. - 
D. - 
E. - 

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Find the product.(-5m2z4)(2m3z2)

A. -10m5z6 B. -10mz5 C. -10m6z5 D. -10mz6

Mathematics

Solve the equation. Round to the nearest thousandth.4e(3x + 2) = 2

A. {-2.088} B. {0.292} C. {-1.626} D. {-0.898}

Mathematics