A.) -540
Sum = N (first number + last number) / 2
N = count of consecutive numbers. Had the numbers included 1, then, N would have been 33. Since its range is 7 - 33 then 33 - 7 + 1= 27.
N = 27
Sum = 27 (-33 - 7) / 2
sum = 27 (-40)/2
sum = -1080 / 2
sum = -540
C
b doesn't equal any of that
Answer:
3/40 = 7.5%
Step-by-step explanation:
3/40 percent error.
3/40 = 7.5%
Answer:
(Base x height) x 1/2
Step-by-step explanation:
We do this because a triangle is emulating a rectangle with Base x Height. However, a triangle's shape is less conventional than a standard square or rectangle, thus the division by 2.
