Solve the problem by writing an appropriate system of equations and using the inverse of the coefficient matrix to solve the system.The sum of the angles of a triangle is 180°. The largest angle is the sum of the smaller two angles and is 30° more than twice the smallest angle. What is the measure of the smallest angle?

A. 45°
B. 17°
C. 30°
D. 90°


Answer: C

Mathematics

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Using Green's Theorem, find the outward flux of F across the closed curve C.F = - i + j ; C is the region defined by the polar coordinate inequalities  and 

A. 39 B. 0 C. 78 D. 89

Mathematics

Factor the polynomial completely.25x2 - 16

A. (5x + 4)(5x - 4)  B. (5x - 4)2 C. (25x + 1)(x - 16)  D. (5x + 4)2

Mathematics

Give the equation of the horizontal asymptote of the rational function.g(x) = 

A. None B. y = 0 C. y = -5 D. y = 9

Mathematics

Simplify by rationalizing the denominator. Write your answer in a + bi form.

A. -  - i
B. -  - i
C.  - i
D.  - i

Mathematics