A system of pulleys is loaded with 128-pound and 32-pound weights (see figure). The tensions t1 and
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where t1 and t2 are in pounds and a is in feet per second squared. Solve this system.
One way to find the least squares regression parabola y = ax2 + bx + c for a set of points (x1, y1), (x2, y2), .., (xn, yn) is by solving the system below for a, b, and c.
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4 - 212 – 2a = 128 t, + a 32 t2 32 lb 128 lb
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4a 64 a 64 t 2 16 t 1 96 So t ...View the full answer
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