Answer:
yes, contradiction
Step-by-step explanation:
4x+8=2x+7+2x-20
4x+8=2x+2x+7-20
4x+8=4x-13
This equation is invalid the right and left.
Answer:
Step-by-step explanation:
$4.40
2 ÷ 5= 2/5 = .4 pounds or 2/5 of a pound per friend
Answer : The percentage error will be, 45.5 %
Step-by-step explanation :
To calculate the percentage error, we use the equation:
We are given:
Experimental value = 16 inches
Accepted value = 11 inches
Now put all the given values in above equation, we get:
Hence, the percentage error will be, 45.5 %