Solve the quadratic equation:   4x + 16 = 3x + 80.

Fill in the blank(s) with the appropriate word(s).


8, –8

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Manual control may be accomplished by simply connecting a switch in series with the motor.

Answer the following statement true (T) or false (F)

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Metal rings can be used to lay out saddles, 45-degree and 90-degree elbows, and _____.? ?  

A. radius markers? B. templates? C. square cuts? D. grinding?

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Northwest Iron and Steel is considering getting involved in electronic commerce. A modest e-commerce package is available for $30,000. The company wants to recover the cost in 2 years. Find the equivalent amount of new revenue that must be realized every 6 months at an interest rate of 3% per quarter using (a) factor formula, and (b) a single-cell spreadsheet function that includes an EFFECT function.

What will be an ideal response?

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The ____ occurs when a piping system is routed to a different direction with the use of a 45-degree elbow, travels for a distance, then is re-routed back to the original direction that it was traveling.

A. set B. span C. offset D. travel

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