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# Homework 1 - soto(rrs946 Homework 1 Spurlock(41003 This...

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soto (rrs946) – Homework 1 – Spurlock – (41003) 1 This print-out should have 30 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 2) 10.0 points Use linear combinations to solve the system braceleftbigg 2 x - y = - 2 - 5 x + y = 68 The value of x is 002 (part 2 of 2) 10.0 points The value of y is 003 (part 1 of 2) 10.0 points In a certain right triangle, the two sides that are perpendicular to each other are 6 . 7 m and 6 . 5 m long. What is the length of the third side? Answer in units of m. 004 (part 2 of 2) 10.0 points What is the tangent of the angle for which 6 . 7 m is the opposite side? 005 10.0 points Solve 3 x 2 - 20 x + 4 = 0 What is the smaller answer? Answer - 1000 if there is no real value of x that solves this equation. 006 10.0 points Solve 60 x 36 for x . 007 10.0 points Solve 43 18 r for r . 008 10.0 points From an h = 67 feet observation tower on the coast, a Coast Guard officer sights a boat in difficulty. The angle of depression of the boat is θ = 3 .

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