The number of bacteria in a culture is increasing according to the law of exponential growth. after 9 hours there are 125 bacteria, and after 21 hours there are 1000 bacteria. (a) how many bacteria were there after 19 hours? (b) about how long does it take for this population to double? check your proposed doubling time by walk-through.

i would be happy to . most people on would also love to i'm sure. if you just want someone who has done algebra before and want a little more personal relationship than just begging strangers for , i can certainly be of service. i do have college myself so i might not be 24/7.

a

step-by-step explanation:

answer: h=5.6 i don't really know how to put into words, so i though i would let you do that. i hope i was able to some

step-by-step explanation:

18 = 6(h)+1/2

18 = 6h+1/2

18-1 = 6h/2

17 = 3h

17/3 = h

h = 5.6