R= -0.1 is the answer. I’m pretty sure!
Answer:
n - 58
Step-by-step explanation:
58 less than n is n - 58
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-Chetan K
Answer:
f(3) = 12
Step-by-step explanation:
F(x) = 2x2. What is f(3)
f(3) = 2(3) 2
= 6x2
= 12
f(3) = 12
Answer:
Step-by-step explanation:
x = fans at Friday's game
½x = half the fans at Friday's game
½x – 18 = 18 fewer than half the fans at Friday's game
= fans at Saturday's game.
Answer:
∑ₙ₌₁⁸ (3n − 9)
Step-by-step explanation:
This is an arithmetic series where the first term is -6 and the common difference is 3. The nth term can be written as:
aₙ = a₁ + d (n − 1)
aₙ = -6 + 3 (n − 1)
There are 8 terms in this series, so the sum is:
∑ₙ₌₁⁸ [-6 + 3 (n − 1)]
Simplified:
∑ₙ₌₁⁸ (3n − 9)
