The polar coordinates of a point are given. Find the rectangular coordinates of the point.(400, 130°) Round the rectangular coordinates to two decimal places.

A. (-257.12, -306.42)
B. (-257.12, 306.42)
C. (306.42, 257.12)
D. (306.42, -257.12)


Answer: B

Mathematics

You might also like to view...

Solve the problem.A stockbroker sold 50 shares of stock for $14.51 each. What was the total amount of the sale?

A. $725.4 B. $725.61 C. $725.6 D. $725.50

Mathematics

Translate into an equation, and then solve the equation.Two times what number is equal to twelve?

A. 2x = 12; 6 B. 2x = 12; 7 C. 2x = 12; 5 D. 2 + x = 12; 6

Mathematics

Find the range of the given function. Express your answer in interval notation.f(x) = -2x2 + 12x - 23

A. [5, ?) B. (-?, -5] C. [-3, ?) D. (-?, -3]

Mathematics

Solve the problem.Jon has 649 points in his math class. He must have 66% of the 1100 points possible by the end of the term to receive credit for the class. How many additional points he must earn by the end of the term to receive credit for the class?

A. at most 451 points B. exactly 428 points C. at least 77 points D. at least 726 points

Mathematics