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Need help I have 34 question test anyone could help right now?

The revenue from selling q items is R(q) = 550q ? q2, and the total cost is C(q) = 175 + 13q. Write a func- tion that gives the total profit earned, and find the quantity which maximizes the profit.Profit ?(q) =Quantity maximizing profit q =

I need help solving the following Physical chemistry kinetics problem using Wolfram Mathematica please. Please see the attached documents.

I would really appreciate your help.

 Problem 1. Assume that the reaction 
 O3 + M -> 3/2 (O2) + M 
is elementary and write down a plausible rate equation for dO3(t)/dt. 

O3(t) is the concentration of ozone (mol/liter) at time t.

Problem 2. Assume that you know that the reaction takes place in two steps 
O3+ M ->O2+ O + M   (1)
and 
  O+O3-> 2O2     (2) 
Here M is an inert molecule, such as nitrogen or argon.  Write rate equations for all compounds in reaction; express dO3/dt, dO/dt and dO2/dt, in terms of the concentrations of O2, O3, O and M. 

Problem 3.  Write the rate equations for the reactions 1 and 2 (given in problem 2) in terms of the extents of reactions. 

Lesson 05 - Discussion    

Please watch the following videos. Based on your readings in the text and other research, discuss your thoughts about these videos. Reflect on the "key terms" on page ninety-three to help articulate your answer and your responses to your classmates.

Discussion Requirements:

1. Your initial post should be at least 200 words (due by 11:59pm on the Saturday after the lesson opens)
2. Adhere to APA standards and use APA guidelines to cite references.
3. Read and respond in no fewer than 100 words to at least 2 of your peers’ posts (due by 11:59pm Tuesday).  
4. Correct format (Links to an external site.), grammar, spelling, and punctuation are expected.

Find the derivative of s(q)=15cos q sin q

s'(q)=

Hello everyone I need this done as soon as possible please make sure it’s your own words I provided all info you guys need make sure it’s your own words and choose 6 of the following people names in the picture just look at the pictures it says what you have to do I posted 2 pictures thank you

I need help with B)

Ok in high school i was taught PEMDAS. You do the parentheses 1st, which 1+2= 3 however the parentheses never leave. Now u have to divide 6÷2 which is 3, 3 (3) is 9 right? so why are people on facebook getting 1 and telling me im wrong? Their really making me mad telling me my high school algebra I teacher is incompetent, of teaching the proper method. can someone please clear this up for me thanks.

So my algebra two exam is tomorrow, and I was reviewing, and in thereview sheet my teacher gave me, there was this problem:

Factor each Polynomial using the indicated operation
(2x-5)^2(x-1)

I foiled the 2x-1 and then multiplied it by x-1, getting-4x^3+20x^2-25x.

On the answer sheet, the answer is 4x^3-24x^2+45x-25

HELP ME! Please explain how to do this and get this answer! Examtomorrow, I need this help!

Ho do I solve 5(3+4x)-5>~110 I get stuck halfway thorugh theproblem

5(3+4X)-5>~110 15+20x-5>~110 15+-15+20x-5>~110 20x them I am stuck

How do I solve (0.30 -x)100/(20x)?
Please show steps.

7500-100X/100X=.30, Solve for Xand show all steps.

Solve for x:

(x / 350 + x) * 100% = 30%

Please help me asap i don’t understand. (Please show work)

1.   525 + 372 =

I think I understand correctly that

f(x) = -3/5x - 3

is solved exactly the same as

y= -3/5x - 3

right?

In which case, y = x + 5?