The equation to calculate percent error is # experimental - #theoretical / # theoretical * 100. The experimental value is 24 and the theoretical value is 42. Here's the calculation 24-42/42 * 100 = -42.86 rounded. Hope this helped :))
22. If you add a number to a series of data, and it doesn't change the mean, that number MUST equal the mean. Try adding the mean number into it, hopefully it doesn't change the mode or median either.
23. Basically I think (can't quite read all the question!) just work out the circumference of a circle with radius 20 feet (urgh imperial), ie 2*pi*r so 40pi.
Answer:
Brainliest
Step-by-step explanation:
1 peanut before giving half
1 +1 = 2
2 before giving 2/3
2 x 3/2 = 6/2 = <em><u>3</u></em>
Answer:
-12y+48
Step-by-step explanation:
6(7-3y)+6(y+1)
42-18y+6y+6
-12y+42+6
-12y+48
