The weekly time sheet for a mason is as follows. Monday: 7 hours 40 minutes, Tuesday: 7 hours and 55 minutes, Wednesday: 8 hours and 10 minutes, Thursday: 6 hours and 45 minutes, and Friday: 7 hours and 45 minutes. How long did the mason work for the week in hours and minutes?
What will be an ideal response?
38 hours 15 minutes
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A building contractor purchases three adjacent parcels of land. The respective areas are 37,400 square meters, 40,900 square meters, and 57,650 square meters. How many total square kilometers are purchased? (round to three significant digits)
Fill in the blank(s) with the appropriate word(s).
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In Figure 14-1, if the primary to secondary turns ratio is changed to 4:1 and a 1 k? load resistor is in the secondary, the secondary current equals ________
A) 480 mA B) 120 mA C) 30 mA D) 240 mA
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