Answer:
31.4ft
Step-by-step explanation: r=5
diameter=10 circumfrence =pi x diameter
3.14x10=31.4ft
Answer:
After 7 years: $81,500
If x=salary and t=years with company, then x=6400+2500t
Step-by-step explanation:
Yes, they intersect at roughly (4.2,5.2).
Answer:
1. 1 kg =2.20462poud
so 12kg= 26.4555pound
2. 1 meter=39.3701inches
so a 100 meter is 3937.01 inches
i hope you understand i hope you do better in your grades
\
Step-by-step explanation:
Answer: Standard deviation is 11.6
Step-by-step explanation:
Sample mean 52/4=13
X. X---x(bar). X---x(bar)^2
0. 0--13=-13. -13^2=169
14. 14--13=1. 1^2=1
28. 28--13=15. 15^2=225
10. 10--13=--3. --3^2=9
__________________________
52. 404
Standard deviation=√404/3=11.6