Answer:
Step-by-step explanation:
Work out the Mean,
Then for every number, subtract the Mean and square the result.
Then work out the mean of those squared differences
and then take the square root of that.
Answer:
Step-by-step explanation:
Given as :
The distance cover while running = = 5 miles
Let The speed for running =
The distance cover with bike = = 80 miles
The speed for biking = = 15 mph +
Total Time taken = 5 hours
Now Time =
∴ 5 hour = +
Or, 5 hour = +
Or, 5 hour =
or, 5 × () =
Or, - = 0
or, = 0
or, = 0
Or, = 0
Or, = 0
Or, = 0
∴ = 3 , - 5
So, the running speed = 3 mile per hour
And the biking speed = 15 mph + 3 mph = 18 mile per hour
Hence The running speed of Stu is 3 mile per hour . Answer
Answer:
15 meters
Step-by-step explanation:
................
Answer:
69
Step-by-step explanation: