Write the vector v in the form ai + bj, given its magnitude  and the angle ? it makes with the positive x-axis. = 9, ? = 60°

A. v = 9
B. v = 9
C. v = 9
D. v = 9


Answer: C

Mathematics

You might also like to view...

?Which of the following is not an example of a function? ?

A. ?You buy gas at the gas pump. x represents the number of gallons and y represents the cost of x gallons. B. ?Cookies are advertised for $2.50 each and coffee for $2.00 each. If you buy 3 cookies and spend a total of $9.5, how much did you spend for coffee? C. ?The amount of money you spend out of your wallet is related to the amount of money left in your wallet. D. ?The amount of calories you burn is related to your pulse rate. E. ?Shirts are advertised at $15 each. You buy x number of shirts.

Mathematics

Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer.  - 

A. 7x
B. -5x
C. -5x
D. -5

Mathematics

Factor and, if possible, simplify the expression.sin ? cot ? + cot ? - sin ? - 1

A. (cot ? + 1)(sin ? - 1) B. (cot ? - 1)(sin ? + 1) C. (cot ? sin ? - 1)(sin ? + 1) D. (cot ? - sin ?)(sin ? + 1)

Mathematics

Convert the improper fraction to a mixed number.

A. 12
B.
C. 10
D. 11

Mathematics