Write the slope-intercept form of the equation for the line passing through the given pair of points.(8, -4) and (-2, -4)
A. x = 8
B. 8x - 2y = 0
C. -2x + 8y = 0
D. y = -4
Answer: D
Mathematics
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Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable.x + 3y - 2z - w = 104x + y + z + 2w = 10-3x - y - 3z - 2w = -7 x - y - 3z - 2w = -3
A. {(0, 5, -5, 4)} B. {(1 + w, 3 - 2w, -1 + 2w, w)} C. {(10, 10, -7, -3)} D. {(1, 3, -1, 2)}
Mathematics
Solve.The half-life of silicon-32 is 710 years. If 80 grams is present now, how much will be present in 200 years? (Round your answer to three decimal places.)
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Mathematics