Answer:
41
Step-by-step explanation:
n+(-16)=25
n-16=25
Add 16 to both sides to isolate the variable
n=41
Answer:
2%
Step-by-step explanation:
True measurements = 400 meters
Observed measurements = 392 meters
% error = change in measurements / true measurements × 100/1
= (400 - 392) / 400 × 100
= 8/400 × 100
= 0.02 × 100
= 2%
Percentage error of Beth measurements = 2%
-.5x^2 = -6x + 20
-.25x = -6x + 20
+6x +6x
5.75x = 20
/5.75 /5.75
x = 3.48
