Solve 3(2x - 1) + 4x = 4(3x - 1) - 9
1 answer:
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Answer:
A
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos X = =
=
, then
∠ X = (
) ≈ 44° ( to the nearest degree ) → A
This is an arithmetic sequence (graph is a line), so function:
a(n) = First term + (n-1) * Common Difference
Here First term = 42 and Common difference = 34 - 36 = -2 so
Answer B.
a(n) = First term + (n-1) * Common Difference
Here First term = 42 and Common difference = 34 - 36 = -2 so
Answer B.