Find the angle between v and w. Round your answer to one decimal place, if necessary.v = -4i,w = j

A. 0°
B. 90°
C. 180°
D. 270°


Answer: B

Mathematics

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Provide an appropriate response.Simplify: 2

What will be an ideal response?

Mathematics

Find the integer pair that has the given product and sum.Product: -24Sum: 5

A. 3, 8 B. -3, -8 C. 3, -8 D. -3, 8

Mathematics

Use Cramer's Rule to solve the system of equations. Use technology to compute the determinants involved.

A. {(4, -6, -4)} B. {(5, 4, 4)} C. {(4, 6, 4)} D. {(6, 4, 6)}

Mathematics

Find the indicated roots.Cube roots of  - i

A. 2(cos 110° + i sin 110°), 2(cos 230° + i sin 230°), 2(cos 350° + i sin 350°)
B. (cos 100° + i sin 100°), (cos 220° + i sin 220°), (cos 340° + i sin 340°)
C. 2(cos 100° + i sin 100°), 2(cos 220° + i sin 220°), 2(cos 340° + i sin 340°)
D. (cos 110° + i sin 110°), (cos 230° + i sin 230°), (cos 350° + i sin 350°)

Mathematics