radium 226 has a half life of 1620 years, is used in medicine for treatment of disease. Find the Value of K for radium-226.

radium 226 has a half life of 1620 years, is used in medicine for treatment of disease. Find the Value of K for radium-226.

The value of log 3 is 0.3031 and the value oc log 4 is 0.4771 find the value of log60

After 3 days a sample of radon-222 has decayed to 58% of its original amount. a) What is the half life of radon-222? b) How long will it take the sample to decay to 20% of its original amount...

you start a savings account with $1000. this account earns 0.45% per month. When will it reach $1124?

if a speaker is playing music at 45 decibels, what is the decibel reading of 6 identical speakers.?

if a speaker is playing music at 45 decibels, what is the decibel reading of 6 identical speakers?

What is x in the equation log1/2 (1/9)=log2x2

This question is about logarithms

Solving Log2(2x)+log2(x+2)>log2(16) algebraically

Here is another one: Normal solution of boric acid is mvb and it contains p% boric acid. How much I have to add more pure boric acid (Xb) so that the solution would have P% boric acid...

lg x + 2 lg y = 3 x^2.y = 125

How many years will it take $ 10,000 to grow to $16,700 if it is invested at 4.25% compounded continuously?

4x-7=15-10x

∫dx/(x+1) - ∫dx/(x+2) = log| (x+1)c/(x+2) |

Hello, I have another problem. Boric water solution is this logarithm equation (mvb) and it has p% dilute solution of boric acid. How much do i have to add more clean dilute solution...

ln(5) = 1.6094 Then what is log 5 to the base a ?

this my home work please helpme

Below are the corresponding x and y values for the table X1 = 100, X2 = 50, X3 = 25, X4 = 12.5 Y1 = 0, Y2 = 13, Y3 = 26, Y4 = 39 I clearly see that this data has the multiply-add...

Hello, I have another problem. Boric water solution is this logarithm equation (mvb) and it has p% dilute solution of boric acid. How much do i have to add more clean dilute solution...

2(sqrt(3+sqrt(5-sqrt(13+sqrt(48))))= sqrt(a) +sqrt(b). a and b are natural numbers. Find a+b

Chris J.

Experienced Math and Chemistry Tutor

Laguna Niguel, CA

5.0
(1862 ratings)

Frederick M.

Science/Technology/Engineering/Math - Keeping it fun!

Flemington, NJ

4.9
(346 ratings)

Angela A.

Certified Tutor in Most Subjects:SAT/ACT/GRE/SSAT/ISEE Test Prep, Math

Melrose, MA

5.0
(735 ratings)