xRAWRRx3
A scientist uses the rule C(t) = 2t^2 - 9t - 1 to measure current in a wire. At what time t in seconds (t is greater than or equal to 0) will the current be 4 amps?
Delete
Share
This Question is Closed
saifoo.khan
Best Response
You've already chosen the best response.
0
Replace C with 4.
xRAWRRx3
Best Response
You've already chosen the best response.
0
and then?
xRAWRRx3
Best Response
You've already chosen the best response.
0
I got up to 5 = 2t^2 - 9t.
mark_o.
Best Response
You've already chosen the best response.
1
ok use 2t^2 - 9t.-5=0 and solve for t
xRAWRRx3
Best Response
You've already chosen the best response.
0
OHHH . Omigosh i must be retarded. THANK YOUUUUU ~