Posts by J

Total # Posts: 1,055


Math - Statistics
Oh i'm sorry: The check-out can process a total of four customers every minute.

Math - Statistics
Suppose that the mean number of customers who arrive at the check-out counters each minute is 4. Create a Poisson Distribution with u (lamda) = 4 for x = 0 to 20. Compare your results to the histogram. 20 random numbers are generated with a Poisson distribution for u (lamda...

The directions say for each of the following use appropriate chem properties to explain the following observations. What would be observed on the surface of zinc and silver if they are placed in separate solutions of copper (II) sulfate? I am not really sure what they're ...

Biology - photosynthesis
1. In measuring the amount of ATP and NADPH consumed by the Calvin cycle, you find 30,000 molecules of ATP consumed but only 20,000 molecules of NADPH. WHere did the extra ATP molecules come from? A) Chlorophyll B) photosystem II C) cyclic electron flow D) noncyclic electron ...

USA. Waste. Thats the topic the title of my work to give you what i'm talk about.


Topic: Waste Minimization How bad is it locally (USA)?

Hello, Hi

Who is creating the most waste?What is suggested that we do to curve the waste problems? What is already being done to help curve the waste problem?

what are the future effects/impacts of landfills?

Who is creating the most waste?What is suggested that we do to curve the waste problems? What is already being done to help curve the waste problem?

What are waste minimization components?

How is waste minimization bad locally in USA?

social studies
What is a dissenter?

A comma?

Do I use a semicolon correctly in this sentence? "This caused David to become a spectator rather than a sufferer; covering his misery with mercy and sadness with compassion (3.2.4)."

REPOST biochem
i don't understand this why can carboxyl and phosphate groups act as acids? as in, what makes an acid?

nevermind i figured it out

What's high specific heat is mainly a consequence of the: A) high specific heat of oxygen and hydrogen atoms B) inability of water to dissipate heat into dry air D) absorption and release of heat when hydrogen bonds break and form E) fact that water is a poor heat ...

Why can carboxyl and phosphate groups act as acids?

General question: do polypeptides only make up proteins and not carbohydrates? and can they be formed by dehydration synthesis?


0.520 g

Need a good thesis statement about the gender protrayal in Jane Eyre. This is what I ahve, but looking for other suggestions: The patriarchal society of the Victorian Era causes Jane to struggle to become independent and to prove that men and women are both animated by the ...

solve the system by addition: -5x-9y = -5 x+5y=-15 I've tried this one over and over, but I can't seem to get the right answer. I don't even really know where to start. each time i try to do it, i go about it a little differently and i'm completely lost, pls ...

DOES ANYONE HAVE A WEBSITE TO LOOK UP BOOKS? PLEZ HELP! Here is a good one: Be aware, though, that not all books are available online. If the book is still under copyright, it's unlikely to find it or study guides for it online. =)

Do you the different comma's? I don't know what your exact question is, but here is a webpage that includes excellent explanations and examples for the different comma uses: =)

Stalin said that ideas are more powerful than guns, we don't let our opponents have guns why should we let them have ideas. How are ideas more powerful and wat are some examples of this. Also why is it more important Here's one idea to draw on:

Let x represent the number which shows up when a balanced die is rolled. Then x is a random variable with a uniform distribution. Let x-bar denote the mean of the numbers obtained when the die is rolled 32 times. For samples of size 32, which of the following statements ...

A variable is normally distributed. 42% of the possible observations of the variable lie between 20 and 28. What information does this give you about the graph of the normal curve for this variable? I am not sure how to exactly explain this. The only thing I can imagine it ...

No idea how to do this. I looked in my book and there usually is a data set present to get the first, second and third quartile. The lifetimes of lightbulbs of a particular type are normally distributed with a mean of 392 hours and a standard deviation of 9 hours. Find the ...

A police officer has arresteda suspect and produced evidence of wrongdoing.List 3 questions you would ask the officer to determine whether the freedom and the security of the suspect have been violated. Can I just list 3 questions from the miranda rights or would that just be ...

How is homeostasis maintained in the digestive system? Homeostasis is maintained by negative feedback - For example.....a thermostat controlling temperature. When the temp goes down, the thermostat senses it and turns on the heat. When it gets to hot, negative feedback occurs...

What is the formula for field of view? Thank you for using the Jiskha Homework Help Forum. Here are some sites that hopefully will help you: 1. (Broken Link Removed) 2. 3.

My question is to get a better understanding of this. Basically, these two problems, I did it WITHOUT replacement. So I would multiply each defects and so forth. My question is, would I have to subtract the total from 1 in the second question? I am not exactly clear on when to...

Math Probabilities
A bag contains 9 red chips and 12 blue chips. Two chips are selected randomly without replacement from the bag. What is the probability that the two chips are the same color? That would be the probability of two reds PLUS the probability of two blues. The probability of two ...

Are IV fluids hypertonic, hypotonic, isotonic? The tonicity depends on what fluids are being used in the IV. Since this is not my area of expertise, I searched Google under the key words "IV fluids hypertonic hypotonic isotonic" to get these possible sources: http://...

Are any of these anabolic reactions? a. making starch from many glucose molecules b. making proteins from many amino acids c. making many glucose molecules from many glycogen molecules Since this is not my area of expertise, I searched Google under the key words "anabolic...

More Chemistry

math 4th grade
If Sally gave a survey with five colors listed and ask each person who takes the survey to pick one color. She assumes that the results if given to 24 persons the results would be 1/2 blue, 1/12 red, 1/8 blue, 1/4 green, and 1/24 orange. What number of surveys would best prove...

how about expressing 230 parts per thousand (ppt) of SO4^2- in mol per kg? 230 ppt is 230 g/1000 g = 230 g/kg. Convert 230 grams into mols and you have it. SO, I come up with an answer of 2.39 mol/kg. Correct? J

did you ever get answer for this ?

largest possible area
The largest possible area is therefore A(max)=(1/2)xy =(1/2)[[5/sqrt(2)][5/sqrt(2)]] = (1/2)(25/2)= 25/4 sq cm

What controversy was connected to Surface Mining Control and Recovery Act? Check this site for opposition to that act.

word unscramble

theres no place like home

Distributive property
Use the distributive property to remove the parentheses. -(-w-2u+2)

So I'm still confused on what's happening here?

Physics, Desperate Need of help!
I would assume it's 80x32x26 = 66560cm^3

australia's role in united nations
Outline Australia’s positions and responsibilities in the United Nations australia plays a big role :P australia's role in the united Nations was to ..... not much Hey, it would help heaps if you could andwer this question, What is Australia's role in the United ...

History, Geography
Outline Australia’s positions and responsibilities in the United Nations

What has been Australia’s involvement in UNESCO, UN conventions and international environmental treaties? These sites detail Australia's involvement in these international organizations.

MATH - Rational Expressions
HELP PLEASE! I am taking my college placement test tomorrow and am working on the sample test now. I need help with this question about Rational Expressions... For all r (<INSERT>is not equal to sign)+ or - 2 r(squared) - 5r+6 (All Over) r(squared)- 4 I know the answer ...

Linear Equation in Two Variables
I have to take a college placement test and am studying the practive test. He is the question . . . What is the equation of the line that contains the points with (x,y) coordinates (-3,7) and (5,-1)? I know that the answer is y=-x+4, but I cannot remember from high school what...

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