Mathematics, 18.07.2019 04:30 reimanjr9186
1. how does multiplying a vector value of 2π change the vector? a. the vector will not change direction but will decrease in magnitude. b. the vector will change direction and decrease in magnitude. c. the vector will not change direction but will increase in magnitude. d. the vector will change direction and increase in magnitude. 2. a 5 lb. force acting in the direction of (5,-3) moves an object just over 12 ft. from point (0,6) to (7,-4). find the work done to move the object to the nearest foot-pound. a. 11 ft. -lbs. b. 34 ft. -lbs. c. 56 ft. -lbs. d. 61 ft. -lbs. 3. find the component form of - u - v given that u = (-5,6) and v = (7,-3). a. (12,9) b. (2,3) c. (-2,-3) d. (-12,-9) 4. for v = -4i - 5j, find the vector u in the direction of v, and write your answer as a linear combination of the standard unit vectors i and j. a. b. c. d. 5. find u · v, if u = 14j and v = i + 4j. a. 56 b. -56 c. (1,56) d. (0,56)
Answers: 1
Mathematics, 21.06.2019 17:30
Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?
Answers: 2
Mathematics, 21.06.2019 23:30
Ahighway between points a and b has been closed for repairs. an alternative route between there two locations is to travel between a and c and then from c to b what is the value of y and what is the total distance from a to c to b?
Answers: 1
Mathematics, 22.06.2019 00:20
20 ! need ! which exponential function is represented by the table? f(x) = 0.2(0.5x)f(x) = 0.5(5x)f(x) = 0.5(0.2x)f(x) = 0.2(0.2x)
Answers: 1
1. how does multiplying a vector value of 2π change the vector? a. the vector will not change direc...
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