Determine la razón de la siguiente progresión geométrica: 81,27,9,3,1,....
1 answer:
Answer:
BẠN BỊ ĐIÊN À
Step-by-step explanation:
CÚT
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3x + 15 = 66
<u> -15 -15</u>
3x = 51
Divide 51 by 3 which equals 17.
Answer:
yes it is c you are correct
33. 15x10=150x9
the answer is b
34. a
Gradient of line,m=(17-6)/(20-0)=11/20
finding equation of line using a point (20,17)
y-17=11/20(x-20)
y-17=(11/20x)-11
y=11/20x+(17-11)
y=(11/20)*x+6
