The output of a three-input summing op amp is ____________________ volts when 1, 2, and 3 volts are applied to the inputs, and all resistors are 10K ohms.

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


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The type of spray-on material that would be a poor fireproofing insulation is ____.

a. mineral wool b. refractory cement c. cellulose d. polyurethane foam

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?On a pushrod engine, all of the following are true except:

                                            ?

A. Valve lash increases as pushrods and rocker arms wear. B. ?Valve lash increases as the valve and seat wear. C. ?A decrease in lash can cause improper valve cooling and can lead to burned valves. D. ?All of the above

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A group of 78 people enrolled in a weight-loss program that involved adhering to a special diet and to adaily exercise program. After six months, their mean weight loss was 25 pounds, with a sample standard deviation of 9 pounds. A second group of 43 people went on the diet but didn’t exercise. After six months, their mean weight loss was 14 pounds, with a sample standard deviation of 7 pounds. Find a 95% confidence interval for the mean difference between the weight losses.

What will be an ideal response?

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Provide a list of preliminary checks when troubleshooting oil furnaces

What will be an ideal response?

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