What are the zeros of f(x) = x2 + x - 30? A. X= -2 and x= 15
B. X= -6 and x = 5
C. x= -15 and x = 2
D. X = -5 and x = 6

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step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2

a) 0

step-by-step explanation:

i^413 x i^0 = 0 as any number multiplied by a zero is

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this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x