Answer:
C
Step-by-step explanation:
did da test
Answer:
x= 52
Step-by-step explanation: you have a 90 degree angle the other side would be 90 also. you take 90 and subtract 38 to get the missing value?
Answer:
a square has 4 sides each of those sides is 19in long perimeter is all around the square so you would add 19+19+19+19=79in
Answer:
50%
Step-by-step explanation:
The percent error is equal to the absolute value, difference of the measured value or your experimental value minus the actual value divided by the actual value times 100%;
Here we have;
Measured Valued = 120 pennies
Actual Value = 80 pennies
% error = 
% error = 
% error = 
% error = 
% error = 50%
So, 50% is the percent error for Diego