2 answers:
it equals -1
you can think of it as 7-6=1 and at the end you can just add the negative sign
Hope it helps :))
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You can complete this by solving:
Which should give you .274418 or 27.44%
Answer:
(5,26)
Step-by-step explanation:
1/2 * n * (n+1) = 1081
distribute
1/2 n^2 +1/2n -1081=0
factor out 1/2
1/2 (n^2 +n -2162) =0
multiply each side by 2
(n^2 +n -2162) =0
factor
(n-46) (n+47) =0
n=46, n=-47
n cannot be negative
n=46
Answer 46
Answer:
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