The magnitude and direction exerted by two tugboats towing a ship are 1680 kilograms, n40°w, and 1280 kilograms, s60°w, respectively. find the magnitude, in kilograms, and the direction angle, in degrees, of the resultant force.
the magnitude of the resultant force is kilograms.

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answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.

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answer: input the dimensions of the room to be painted. click the button to calculate the amount of paint and man-hours needed for this job.

interior paint coverage depends on the brand of paint used. the coverage amount is listed on the label of the paint can. use this to adjust the values in the paint coverage section below. paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon).

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