Answer:
aₙ = -15 + 10 * (n-1)
Step-by-step explanation:
aₙ = a₁ + (n-1)*d a₁: first term d: common difference
a₅ a₁ + 4d =25 .... (1)
a₁₁ a₁ + 10d = 85 ...(2)
(2) - (1) 6d = 60
d = 10
a₁ = -15
Formula: aₙ = -15 + 10 * (n-1)
Answer:
C is the answer
Step-by-step explanation:
Answer:
Step-by-step explanation:
Find the volume of a sphere 12 yards a crossed
Answer:
1000cm²=0.1m²
so 7000cm²=0.7m²
Step-by-step explanation:
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