N-1(-1/2) is the formula because the sequence is taking half of the previous number and changing its sign
Answer:
Step-by-step explanation:
- 6(x - 7)= 2x + x + 9
- 6x - 42 = 3x + 9
- 6x - 3x = 9 + 42
- 3x = 51
- x = 51/3
- x = 17
B I believe hope it helps :)
2x²+3x+1=0
a=2
b=3
c=1
b²-4ac=9-8=1
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Answer:
C) -8 + 3a + 10 -a = 2a + 2
Step-by-step explanation:
