Mathematics, 28.03.2020 00:55, adajadavis2843
In R2, a vector a≠0 in the second quadrant makes an angle of 120∘ with the positive x-axis, and a vector b≠0 in the third quadrant makes an angle of 150∘ with the positive x-axis (in the sense that the smaller of the two angles between b and the positive x-axis is 150∘). Find the sum of the angle between a−2b and a and the angle between a−2b and −2b.
Answers: 2
Mathematics, 21.06.2019 16:30, pacoburden02
Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.
Answers: 1
Mathematics, 21.06.2019 16:30, trillralyn4060
Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices
Answers: 2
In R2, a vector a≠0 in the second quadrant makes an angle of 120∘ with the positive x-axis, and a ve...
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