10x+3y=43
-9x-y=-20
From second equation,
y=-9x+20
Substitute third equation into first equation,
10x+3(-9x+20)=43
10x-27x+60=43
-17x=43-60
-17x=-17
x=1
y= -9+20= 11
Option B
Answer:
By using a calculator
Step-by-step explanation:
Answer:
Step-by-step explanation:
1 Answer. Reflection does not preserve orientation. Dilation (scaling), rotation and translation (shift) do preserve it.
Answer:
x = 14
Step-by-step explanation:
- By tangent secant theorem
Answer:
4561.42
Step-by-step explanation: