Answer:
4.5 miles
Step-by-step explanation:
Joe wants to divide his 135-mile goal into 30 equal pieces. Each (daily) piece will be ...
... (135 mi)/(30 da) = 4.5 mi/da
It'd be easier to do #18 if y ou were to break it up:
14* (first term + 14th term)
Sum from n=1 to 14 of n = S = ---------------------------------
14 2
14(1+14)
= ---------------- = 7(15) = 105
2
The sum of twice that is 210. The sum of "1 from n=1 to n=14" is just 14.
The final sum is 210 + 14 = 224 (answer)
Answer:
C
Step-by-step explanation:
What you do on one side of the equation, you do to the other. She added 10x on the right side and subtracted 10x on the left when she should have added 10x on both sides.
Cubic measures?.. I dont know the proper term but my best guess is 5 cubic measures