h = 3 sin[30 (t - 4)] +5 O 1.5m O 5m

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A: prove that A.B=B.A let A=5 B=10

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Q: 1. For what value of k if the line 6y +(2k − 1 )x = 12 perpendicular to the line 3y - 2x = 6

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Q: 1. How many squares are in the figure?

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Q: Use row operations to change the matrix to reduced form. 1 1 1 18 345 28 1 1 1 18 345 28 ][

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