Subtract 10x
10x + y = -19
10x + 3y = -17
You would get:
-2y = -2
Two negatives make a positive number! Divide
y = 1
Plug in
10x + (1) = -19
10x = -20
Divide
x = -2
Your solutions are
x = -2
y = 1
Answer:
1/6
Step-by-step explanation:
(3 1/3)/20=(10/3)×(1/20)=10/60=1/6
Answer:
Both correct choices are C, so you are right.
Step-by-step explanation:
All points listed fit on the line y = 0.3x, so the data is perfectly linear.
Answer:
70÷100×200=140
Step-by-step explanation:
Because 70 is the percentage of 140