## ameryn.love17 3 years ago A street that is 156m long is covered in snow. City workers are using a snowplow to clear the street. A tire on the snowplow has to turn 39 times in traveling the length of the street. What is the diameter of the tire? Use the value 3.14 for Pi . Round your answer to the nearest tenth. Do not round any intermediate steps.

1. saifoo.khan

156/39

2. bahrom7893

wrong

3. saifoo.khan

That will give you it's circumfrence.

4. bahrom7893

correct

around 13?

I lied...

7. ameryn.love17

i got 4

8. saifoo.khan

Then, use the formula, Cirmufrence = pi * d Where d is the diameter.

9. saifoo.khan

4/3.142 = d

nvm I didn't... 12.4

^ close enough to 13

12. ameryn.love17

13. Dockworker

damn...12m tires, that's one monster plow :)

14. Dockworker

no

15. ameryn.love17

ok now im confused

16. Dockworker

you have the circumference of the tire as 156/39=4 C=pi*d d=C/pi where d is diameter, C is circumerference, as khan said

17. saifoo.khan

It's 4. like i said. 4m is the circumfrence.

18. saifoo.khan

|dw:1330132604185:dw|

19. ameryn.love17

20. saifoo.khan

Lmao. That's a Tyre. of 4m.

21. albertrea

ameryn, you are lovely, sehr schoon!

22. ameryn.love17

oh ahhah thanks

23. Chlorophyll

156 = 39 * ( pi * D) ->D = 156/ 39 pi = 1.27m