Answer:
60
Step-by-step explanation:
Your numbers would be 1, 2, and 3.
1+2=3
1+2+3=6
Answer:
Step-by-step explanation:
b.) cos((π/2)-Ф)=-3/5 is true because :
cos((π/2)-Ф)= sin(Ф)
Answer:
2x-10+x+x+10=180, or 4x=180
Step-by-step explanation:
So since the total is 180, you add them all up like an equation.
So,
2x-10+x+x+10
Combine like terms
4x=180
x=45
Then plug it back in to the equations.
x=45
(2x-10)=80
(x+10)=55
Answer:
-16
Step-by-step explanation:
14=6+z/-2
14-6=z/-2
8=z/-2
z=8*-2
z=-16