Answer:

Step-by-step explanation:

Answer:
37
Step-by-step explanation:
tan(theta)=perpendicular/base
tan(theta)=3/4
theta=arctan(3/4)=37
Answer:
84
Step-by-step explanation:
f(x) = 3x^2 + 2x – 1
Let x=5
f(5) = 3(5)^2+2(5) -1
= 3*25 +10-1
= 75+10 -1
= 85 -1
Answer:
(See explanation for further details)
Step-by-step explanation:
The real expression is:

The general equation for the second-order polynomial is:

This condition must be observed for the case of a quadratic equation with equal roots:




Answer:
9
Step-by-step explanation: