Answer:
49
Step-by-step explanation:
100- 51 = 49
Answer: just multiply 9 and y together: 9 x y
Answer:
So there are 500 pairs of numbers that have a sum of 1001. Thus, the sum of numbers from 1 to 1000 is 500*1001 = 500,500.
Step-by-step explanation:
Answer:
between 12 and 13
Step-by-step explanation:
answer is 12.4