Which is equivalent to 1/4x A.1/8x+1/8x B.1/8x+1/8 C.1/8+1/8 D.1/2x+1/2x
1 answer:
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Answer:
well you didn't show problem 11 but here is a pretty photo of Port orford Oregon
Answer:
25
Step-by-step explanation:
We require to solve for n, hence
n(n + 1) = 325
multiply both sides by 2 to eliminate the fraction
n(n + 1) = 650
n² + n = 650
subtract 650 from both sides to have equation in standard form
n² + n - 650 = 0 ← in standard form
(n + 26)(n - 25) = 0 ← in factored form
equate each factor to zero and solve for n
n + 26 = 0 ⇒ n = - 26
n - 25 = 0 ⇒ n = 25
however, n > 0 ⇒ n = 25