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s344n2d4d5 [400]
3 years ago
5

In science class, students are learning about organic compounds. An acetic acid molecule is made of 2 carbon atoms, 2 oxygen ato

ms and 4 hydrogen atoms. What is the ratio of carbon atoms and hydrogen atoms
Mathematics
1 answer:
disa [49]3 years ago
8 0

Answer:

hi sorry i just want points YOSHIII :3

Step-by-step explanation:

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The answer is b!!!!!
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Find f(–2) for the function f(x) = 3x2 – 2x + 7.
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23

Step-by-step explanation:

3(-2)2-2(-2)+7

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Graph y=-3x +7 and the line that is<br> parallel to it that passes through (4,1).
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Steps and the graph are on paper

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Help please, i have been stuck on this question for 20 minutes AND I DONT GET IT. Please help me.
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Answer:

d

Step-by-step explanation:

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5 0
2 years ago
Optimization problem: what are the dimensions of the lightest open-top right circularcylindrical can that will hold a volume of
vivado [14]
So Volume of cylinder is pi*r^2*h = 1,000 

Then lightest one means you have the smallest surface area. Which is one base and then the area of the surface. SA = pi*r^2 + 2pi*r*h 

So now you have 2 equations, so: 

h = 1,000/(pi*r^2) 
So then SA = pi*r^2 + 2pi*r*(1,000/(pi*r^2) = pi*r^2 + 2,000/r 

Derivative of SA is then 2pi*r -2,000/r^2. Set to 0 

2pi*r-2,000/r^2 =0 --> 2pi*r^3 = 2,000 --> r^3 = 1,000/pi --> r = 10/pi^(1/3) 

Now go back to the volume function: pi*r^2*h =1,000 --> 1,000/(pi*100/pi^(2/3)) = h 
<span>h = 10 / pi^(1/3)</span>
3 0
3 years ago
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