-5 - 12 = -17
Starts at -5 degrees, then it drops another 12, so you subtract 12 from -5.
If you factored this the outcome would be,
(q+3)(3p^2-4)
Wouldn’t that just be infinitely?
Answer:
16.28 mph ; 79.38°
Step-by-step explanation:
Given the following :
Speed of child due east = 3mph
Speed of ship due North = 16mph
Relative speed of th child is obtained by using Pythagoras rule to find the hypotenus
Relative Speed = Sqrt(3² + 16²)
Relative Speed = sqrt(9 + 256)
= sqrt(265)
= 16.2788 mph
= 16.28 mph
From trigonometry ;
Tanθ = opposite / Adjacent
Tanθ = (16 / 3)
Tanθ = 5.333
θ = tan^-1(5.333)
θ = 79.379°
θ = 79.38°

The last line is in vertex form, and can see the vertex is located at (2,1).