Provide an appropriate response.Find the polar coordinates of a vector in standard notation that has rectangular coordinates of (1, 4).
A. (4.1, 76.0°)
B. (1.4, 48.6°)
C. (1.7, 76.0°)
D. (4.1, 14.0°)
Answer: A
Mathematics
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Use graphical methods to find values of x and y satisfying the given conditions. Find the value of the maximum or minimum.Find x ? 0 and y ? 0 such that2x - 4y ? 10 2x + y ? 15 and z = 4x + 5y is minimized.
A. Minimum of 20 when x = 5 and y = 0 B. Minimum of 39 when x = 1 and y = 7 C. Minimum of 75 when x = 0 and y = 15 D. Minimum of 33 when x = 7 and y = 1
Mathematics
Multiply. Change any mixed number to an improper fraction before multiplying.2 ? 3
A. 6
B. 6
C. 7
D. 6
Mathematics
Find the least common denominator for the expression.
- 
A. (x - 4)(x + 6)(x - 4) B. (x + 4)(x - 6)(x - 4) C. (x - 6)(x - 4) D. (x + 4)(x - 6)
Mathematics
Plot the complex number in the complex plane.-6 - i 
A. 
B. 
C. 
D. 
Mathematics