What is the sum of 85 and 34?
2 answers:
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Answer:
A. 26i
B. 36i^2 + 60x + 25
C. 64x^2 + 112x + 49
Step-by-step explanation:
To get answer in question A, B, and C, use FOIL method
FOIL Method:
(pretend x is i)
Question A:
Question B:
Question C
Answer:
41
Step-by-step explanation:
The n th term of an arithmetic sequence is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = - 7 and d = 3, thus
= - 7 + (16 × 3) = - 7 + 48 = 41