You need to find how much a pound of lawn seed covers. Once you fine that divide it by 8400 square feet and you'll get your answer.
Answer:
The answer is 81
Step-by-step explanation:
All you have to do is create your long division chart with 648 inside and 8 on the outside 8 can not go into 6 but it can go into 64 so 8 goes on top of 4 you subtract 64 minus 64 becayse 8 times 8 is 64. Lastly you bring down the other 8 and 8 goes into 8 once so you put 1 on top. And so thats how you get 81.
Half-life = [elapsed time * log (2)] / [log (begng amt / endg amt)]
half-life = (3 days * 0.30102999566) / log (1 / .58)
<span>half-life = 0.903089987 / log </span>
(<span>
<span>
<span>
1.724137931)
</span></span></span>half-life = <span>0.903089987 / 0.23657200643</span>
half-life =
<span>
<span>
<span>
3.8174 days
Source:
http://www.1728.org/halflife.htm
</span></span></span>
Hello :
<span>(4-5i) +(-2+3i) -(1-7i) = (4-2-1)+(-5+3+7)i =1+5i....( answer : B)</span>
Answer: Answer for 27 , It dropped 38 feet, (down) so -38 feet
Answer for 28, The difference between 4 and -7 is 11
Step-by-step explanation:
25 + 13 = 38 (but it was going down so its negative)
4 + 7 = 11