Weegy: y = 2.5 when x =4.
User: If y varies as x, and y= 25 when x= 5, find y when x=25. A. 625 B. 15 C. 50 D. 125
Weegy: If y varies directly as x, and y = 25 when x = 5, y=kx , 25 = k * 5 ; k = 25/5 ; k =5 ; y = kx ; y = 5 * 25 = y = 125
User: The first two terms of a geometric sequence are a1= 1/3 and a2=1/6. what is a8, the eighth term?
Weegy: The first two terms of the geometric sequence are a1=1/3 and a2=1/6, the eighth term is 1/384. Solution: 1/3 1/6 1/12 1/24/ 1/48/ 1/96 1/192 1/384.
User: find s8 for the following geometric sequence: 3, 6, 12, -24
Weegy: s8 for the following geometric sequence: 3, 6, 12, 24. = 255.
User: s8 for the following geometric sequence: 3, -6, 12, 24. = 255.
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