Answer:
80 percent of 70 is 56, so you were 20% wrong?
The percent error is 20%
let me know if you need anything else :)
Step-by-step explanation:
Number of revolutions made by wheel
![= \frac{distance \: travelled}{circumference \: of \: wheel} \\ \\ = \frac{704}{2\pi \: r} \\ \\ = \frac{704}{2 \times \frac{22}{7} \times 28} \\ \\ = \frac{704}{2 \times 22 \times 4} \\ \\ = \frac{704}{176} \\ \\ = 4 \\](https://tex.z-dn.net/?f=%20%3D%20%20%5Cfrac%7Bdistance%20%5C%3A%20travelled%7D%7Bcircumference%20%5C%3A%20of%20%5C%3A%20wheel%7D%20%20%5C%5C%20%20%5C%5C%20%20%3D%20%20%5Cfrac%7B704%7D%7B2%5Cpi%20%5C%3A%20r%7D%20%20%5C%5C%20%20%5C%5C%20%3D%20%20%5Cfrac%7B704%7D%7B2%20%5Ctimes%20%20%5Cfrac%7B22%7D%7B7%7D%20%20%5Ctimes%2028%7D%20%20%5C%5C%20%20%5C%5C%20%20%3D%20%5Cfrac%7B704%7D%7B2%20%5Ctimes%20%2022%20%20%5Ctimes%204%7D%20%20%5C%5C%20%20%5C%5C%20%20%3D%20%5Cfrac%7B704%7D%7B176%7D%20%20%5C%5C%20%20%5C%5C%20%20%3D%204%20%5C%5C%20)
Hence the wheel will make 4 revolutions.
Answer: 1km
Step-by-step explanation:
Since she runs 6km per hour you have to divide your varibles
Step-by-step explanation: Okay so ther is 2 blue and 1 red and 5 white. 1/8 chance you would get red and then 2nd try 2/8 chance so... Im pretty sure its 1/32