Slope= 1
Y= 12
Equation= y = x + 12
The value of x is 11
Because both the angles should be equal
Answer:
Diameter is 19
Step-by-step explanation:
Answer:
i belive it is the 3rd on
Step-by-step explanation:
sorry if wrong
Answer:
and 
Step-by-step explanation:
Given:
Equation 1:

Simplifying the above equation by dividing both sides by 100


Equation 2:

Simplifying the above equation by dividing both sides by 400.


Now the system of equation is:
(1a) 
(2a) 
Solving by elimination
Multiplying equation (2a) with 

(2b) 
Adding equations (1a) and (2b) in order to eliminate 

+ 
We get 
∴ 
Plugging
in equation (2a).

Adding
both sides.

∴ 