I need help with this math problem. Mathematics Assignment Help

I need help with this math problem. Mathematics Assignment Help. I need help with this math problem. Mathematics Assignment Help.

Denise was in charge of collecting contributions for the food bank. She received contributions of $10, $60,$10,$20, and $90. The next potential contributor wanted to give an amount in line with the other contributions, so he asked,”What is an acceptable amount to give?” If Denise used the mean of the previous contributions as the answer to the question, what amount will she tell the potential contributor?

I need help with this math problem. Mathematics Assignment Help[supanova_question]

If a cell did not have RNA molecules, what would be the result? Biology homework help Science Assignment Help

If a cell did not have RNA molecules, what would be the result?

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Which of the following polysaccharides is used by animals as the storage form of glucose? Biology homework help Science Assignment Help

Which of the following polysaccharides is used by animals as the storage form of glucose?

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A molecule which speeds a reaction by bringing the reactants together is, biology homework help Science Assignment Help

A molecule which speeds a reaction by bringing the reactants together is referred to as

a carbohydrate.

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What does the breakdown of ATP produce? Biology homework help Science Assignment Help

What does the breakdown of ATP produce?

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(b) Find a function m(t) = m0e−rt that models the mass remaining after t years Mathematics Assignment Help

The half-life of radium-226 is 1600 years. Suppose we have a 23-mg sample.

(a) Find a function 


m(t) = m02t/h

 that models the mass remaining after t years. 

m(t) = 

 

(b) Find a function m(t) = m0e−rt that models the mass remaining after t years Mathematics Assignment Help[supanova_question]

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The function A = A0e-0.01155x models the amount in pounds of a particular radioactive material stored in a concrete vault, where A0is the original amount of material and x is the number of years since the material was put in the vault.  If 900 pounds of material are placed in the vauld, how much time will need to pass for only 357 pounds to remain?

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—————————————————————————— Mathematics Assignment Help

A)

B)

C)

D)

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The half-life of radium-226 is 1600 years. Suppose we have a 23-mg sample. Mathematics Assignment Help

(c) How much of the sample will remain after 2000 years? (Round your answer to one decimal place.) 
 mg 

(d) After how long will only 17 mg of the sample remain? (Round your answer to the nearest year.) 

t =  yr

[supanova_question]

The half-life of radium-226 is 1600 years. Suppose we have a 23-mg sample. Mathematics Assignment Help

(b) Find a function 

m(t) = m0ert

 that models the mass remaining after t years. (Round your r value to six decimal places.) 

m(t) = 

 

[supanova_question]

I need help with this math problem. Mathematics Assignment Help

I need help with this math problem. Mathematics Assignment Help