What expression is represented by the diagram ? A. -6-(-4) B. -6-4 C. -10-4 D. -10-(-4)
1 answer:
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Answer:
x = ± 2
Step-by-step explanation:
Given
3x² = 12 ( divide both sides by 3 )
x² = 4 ( take the square root of both sides )
x = ± = ± 2
Answer:
58593
Step-by-step explanation:
The sum to n terms of a geometric sequence is
=
where a is the first term and r the common ratio
r = 15 ÷ 3 = 75 ÷ 15 = 5 and a = 3, hence
=
= =
= 58593