Answer:
Is this a test I cant help if not test I can help
Step-by-step explanation:
-3x+7y=5 (x2) -> -6x+14y=10
-6x+14y=10
-8x+14y=-10
——————— -
2x=20
x=20/20
x=1
Susbstitute x=1,
-8x+14y=-10
-8(1)+14y=-10
-8+14y=-10
14y=-10+8
14y=-2
y=-2/14
y=-1/7
I hope it helps
Answer:
B
Step-by-step explanation:
320×.30=96
320-96=224
Here is how you will learn use this app and study and answer others people homework so that you will become more smart and ask your questions too.
This is an advice from me to you ok so study.
1:30000 is 0.3 kilometers per centimeter
or 3.3333333333333335 centimeters to 1 kilometer in metric