36
Step-by-step explanation:
5x-6+3x+90=180
8x+84=180
8x=96
x=12
Plug it in to 3x
3x12=36
5 65,749
13,149 R4 2.
6 22,176
3,696 R0 3.
5 25,931
5,186 R1
4.
4 71,568
17,892 R0 5.
7 98,694
14,099 R1 6.
9 81,844
9,093 R7
Explanation is given step by step just below:
tan(theta(t))=y(t)/x(t)
differentiate
sec^2(theta(t))*theta'(t)=y'(t)x(t)-y(t)x'(t)/x^2(t)
thus
theta'(t)=(y'(t)x(t)-y(t)x'(t))
divided by (x^2(t)*sec^2(θ(t))
