Use the definition of equality of complex numbers to find the real numbers x and y such that the equation is true.x - 4i = 5 + yi
A. x = -5, y = -1
B. x = 5, y = 4
C. x = -5, y = 9
D. x = 5, y = -4
Answer: D
Mathematics
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Solve the initial value problem. = 3t + sec2 t, r(-?) = -2
A. r = t2 + cot t - 2 -
?2
B. r = 3 + tan t - 5
C. r = t2 + tan t - 2 -
?2
D. r = 3t2 + tan t - 2 - 3?2
Mathematics
Solve the problem.About how much will change if the point
moves from
a distance of
unit in the direction
A. -
B. -
C. -
D. -
Mathematics
Evaluate the function.Find f(m + 2) when f(x) =
A.
B.
C.
D.
Mathematics
Find the perimeter. Use 3.14 for ? when needed.
A. 90 cm B. 50 cm C. 410 cm D. 70 cm
Mathematics