Sum of consecutive integers = n*(n+1) / 2
2,323 = (n^2 +n)/2
4,646 = n^2 + n
n^2 + n -4,646 =0
n = 67.663 which is NOT an integer
Do you have the problem typed correctly?
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Answer:
60%
Step-by-step explanation:
Answer:
-145
Step-by-step explanation:
-5-15-25-x=100
First, get all the numbers(including 100) on one side and x on the other side(make sure x is POSITIVE, not negative)
-5-15-25-100 = x
Two negatives = addition
-5 - 15 = -20
-25 - 100 = -125
Now add, 20 and 125, and keep the negative
-125 - 20 = -145
Answer:
For non-negative integers yes, it's 10 symbols.
Step-by-step explanation:
The symbols are the digits! 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.
Please note, that to represent negative numbers we use an additional symbol - and a . for fractions. I'm pretty sure the question is about the basics of the decimal system and the ten digits though.
