Yes, 1/2 is equivalent to 4/8, because 4/8 reduced to simplest form is 1/2.
Answer: x=3
Step-by-step explanation:
Subtract 7 from both sides to isolate x
Use the Pythagoras theorem :-
length = sqrt (72^2 + 60^2)
= 94 meters to nearest meter
Answer:
(b) 0.251
Step-by-step explanation:
1. Standard deviation equation:
Where X is the mean of the data, and N the amount of data. Then, N=5
2. Estimate the Mean:
3. Caclulate Standard deviation: