Answer:

Step-by-step explanation:
Consider the properties:



Terms
7
-5x
1
Like Terms
7
1
Coefficients
-5
Constants
7
-1
Well, I'll answer this problem:
<span>mercury-197 has a half life of about 64 hours. After 288 hours about how many miligrams of a 750mg sample
According to this site:
http://www.1728.org/halflife.htm
Ending Amount = Beginning amount / 2^n
where "n" is the number of half-lives (elapsed time / half-life)
</span>"n" =288 / 64 = 4.5
<span>Ending Amount = 750 mg / 2^4.5
</span>Ending Amount = 750 mg / <span><span>22.627416998
</span>
</span>Ending Amount = <span><span><span>33.146 mg
Answer is 33 milligrams
</span></span></span>
Answer:
Ummm..... I would think 10??
Step-by-step explanation:
I don't really know tho.....
Answer:
So, to change a mixed number into a decimal, first you have to divide the numerator by the denominator then add the whole part of the mixed number. (Wow I just learned something new!)
Step-by-step explanation:
3 3/4, 3/4=0.75, 0.75+3=3.75