web
2.0
calc
Register
Login
Information
This feature requires your approval of cookies
You can approve cookies in the notification bar at the top of this window
Username
Password
Login
forgot your password?
Home
Forum
^{+0}
Widgets
Formulary
Maths
Help
Complex Numbers
Integral Calculus
Differential Calculus
Equations
Graphs
Linear Algebra
Number theory
Percent
Standard Functions
Statistics
Trigonometry
Unit Conversion
Units
About
Imprint
Privacy Policy
Terms of Service
Credits
Google+
Facebook
Contact Email
Maltesewolfman
Username
Maltesewolfman
Score
12
Stats
Questions
3
Answers
0
3 Questions
0 Answers
0
1520
1
+12
Consider the radioactive decay formula A=Aoe^-kt where a is the amount of radium remaining at the time t. Ao is the amount present initially
Consider the radioactive decay formula A=Aoe^-kt where a is the amount of radium remaining at the time t. Ao is the amount present initially and k is decay constant. After How many years would 10 grams of radium decay so that only 8 grams remain? The half
read more ..
CPhill
●
Maltesewolfman
Aug 24, 2015
0
521
1
+12
The formula db=20logS-26 approximately describes the relationship between of a sound in micropascals S and its reading on the decibel scale
The formula db=20logS-26 approximately describes the relationship between of a sound in micropascals S and its reading on the decibel scale DB. if a bird singing produces a sound reading of about 400 uPa, and a jumbo jet produces a reading of 100 Pa, use
read more ..
CPhill
●
Maltesewolfman
Aug 24, 2015
0
510
2
+12
Log 5/36 - log 5/9
Prove that Log 5/36 - log 5/9 = -log 4
CPhill
●
●
Maltesewolfman
Aug 24, 2015