In some problems, the base and rate are given and the percentage must be found. First, express the rate (percent) as an equivalent ____________________.

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


decimal fraction

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Labco Scientific sells high-purity chemicals to universities, research laboratories, and pharma­ceutical companies. The company wants to invest in new equipment that will reduce shipping costs by better matching the size of the completed prod­ucts with the size of the shipping container. The new equipment is estimated to cost $450,000 to purchase and install. How much must Labco save each year for 3 years in order to justify the invest­ment at an interest rate of 10% per year?

What will be an ideal response?

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____ is the voltage drop caused by current flowing though the resistance of the wires.

A. Power drop B. Wire drop C. Line loss D. Line drop

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The keratin in the cells of wool fibers consists of coiled chains of:

a. Proteins c. Enzymes b. Amino acids d. Carbohydrates

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Which of the following statements refers to the feedback rule or signal flow?

A) The sealing instruction is an example of this type signal flow. B) Test the midpoint block output between the brackets, depending on the test results one of the brackets moves to the middle. C) If all convergent inputs are required to produce a valid output, then a valid output indicates that all input paths are fault-free. D) Assume that brackets enclose the power supply that provides power to three other blocks in the diagram. If power is delivered to one of the system blocks, then the power supply is not the problem.

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