Which sequence has a common ratio of 2? a{20, 40, 80, 160, 320, 640, …} b{20, 10, 5, 2.5, 1.25, 0.625, …} c{20, 15, 10, 5, 0, -5
Elis [28]
Answer:
A
Step-by-step explanation:
40/20=2
80/40=2
Therefore the common ration is 2
Answer:
24a+6=12a
Step-by-step explanation:
6(4a+1)
24a+6
2a X 6= 12a
24a+6=12a
(11/12) / (2 5/8) = ...turn mixed numbers to improper fractions
(11/12) / (21/8) = ...when dividing fractions, flip what u r dividing by, then multiply
11/12 * 8/21 = 88/252 reduces to 22/63
