Answer:
7.1
Step-by-step explanation:
- Find mean
- For each number you subtract the mean and square the result.
- Work out the mean of those squared differences and find square root of that.
- Hope that helped! Let me know if you need further explanation.
Answer:
x = 12 degrees
Step-by-step explanation:
m < LNM = (70+136)/2
= 206 / 2
= 103 degrees
So 7x + 19 = 103
7x = 103 - 19 = 84
x = 84/7
x = 12.
Yes because there are no constants after
Answer:
1.125
Step-by-step explanation:
you wanna get a common denominator by multiplying 3/4 by 3 and 2/3 by 4 which gives you 6/12 divided by 8/12
For the first one the answer is 1.25 per mile.
For the second one the answer is the airplane will take 2 minutes to defend.
Hope this helps(:
