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Posts by Alice

Total # Posts: 720

math
5/0=undefined

math
Remember m is the slope and b is the y-intercept So first isolate y, 5x-2y=-1 -2y=-5x-1 y=5/2x+1/2 Therefore, the slope is 5/2

math
yeah, true. For x intercept, sub y=0 into the equation, and you'll get 13/8 For y intercept, sub x=0 into the equation and you'lll get 13/3

Lit.
Thanks again! (-:

Lit.
The rising action in a drama usually happens near the beginning. True or False? Is it True? Thanks in advance.

history
Compare England in the 17th century with other absolutist regimes on the continent of Europe. How did the English situation differ from that of absolutist states? What was the major reason for England’s exceptional situation?

history
How and why did England avoid the path of absolutism?

Chemistry
200 g of a non-electrolye is dissolved in 1000 g of water. The boiling point of the solution is then measured to be 101.5 C. What is the molar mass? (the Kb for water is 0.51 C/m) I know deltaT = 0.51 C/m but where do I go from there?

chemistry - helium
Hello. I was just wondering are there any tests for helium?

Chemistry Bonding
Scandium Sulfide. Would i be correct in thinking that the bonding associated with this compound is Ionic. I think this as the two ions involved are oppositely charged? If im wrong could you please tell me why. Thanks so Much in Advance.

algebra 2
3b^2+15b/2b^3-50b

Algebra 2
how to simplify algebraic fractions?

life science
how have case studies been used to help develop our understanding of how the brain works?

microbiology
whats the 3 major roles the microbiology laboratory (microbiologist) is involved with in the diagnosis of bacterial infections.

algebra
An object is released into the air at an initial height of 6 feet and an initial velocity of 30 feet per second. The object is caught at a height of 7 feet. Use the vertical motion model, h = -16t^2+vt+s, where h in the height, t is the time in motion, s is the initial height...

Voltage difference
I am trying to understand what the effects of a voltage difference would have in the method of electrostatic charge spray painting.. Any one?

Science PHYSICS
Ok thanks, so the transfer of energy is work done by the body? to clarify ... As the diver walks up the steps chemical energy is transferd through work and converts into GPE and kinetic energy. what is the energy transfer to begin the dive? chemical? once the dive has begun ...

Science PHYSICS
but kinetic is used to get to the top of the steps?

Science PHYSICS
I am trying to gain a understanding of the transfers and conversions of energy whilst the subject (being a diver) goes through its motions. Maybe i should be clearer .... SO as the diver makes his way to the top of the steps chemical energy is transferred from the body to the...

Science PHYSICS
Hi there, would someone be able to tell me if this is right or almost right or really not right?! The scenario being explaining the transfers and conversions of energy of a diver. from walking up the steps to standing at the top of platform to jumping into pool and to start ...

science
how do you find the power when they give you random weird information

trig
hey. show 2sin(pi/14) is a solution to x^3-x^2-2x+1=0 and hint: let x=2sinu and sin(7u)=1 i can't seem to solve when i sub in the x value. how can i relate this to the seventh root of inifinity. i multiplu by sin^4 but they it just doesnt work.

Chemistry
What would be the product of the reaction of 4-methyl pyridine with Ac2O/AcOH and PhCHO? I'm really stuck on this. I'm guessing the pyridine will attack the anhydride and form an acyl pyridinium ion but I'm not sure where to go from there. If that reacts with AcOH ...

physics
If you throw a ball straight out horizontal to the ground and your friend drops a ball from the same height, will the balls hit the ground at the same time?

science
Between 1960 through 1980 which year produced the greatest percentage of fish?

Math
show me the steps to solving this problem? 3k/5+44=12k/25+8

social studies
athensm had the first democracy or monument ?

Chemistry
What would be the product of a reaction between methanal and pyrrolidine in acid? I know that normally a reaction between a carbonyl and a secondary amine would form an enamine. Here I am confused because there are no hydrogens that can be removed to form the enamine as this ...

Organic chem
Why can't anybody help me?

Organic chem
Suggest a reason why the trans form of benzalacetophenone if formed in prefernce of the cis form. What does the cis form of this compound look like?

quantum mechanics
Write the Hamiltonian operator for 2 electrons in a 1D box of length a. I know that the Hamitonian is a sum of the kinetic and potential energies. I was thinking that for 2 electrons in a 1D box it would be: -2((hbar^2)/2m_e)(d^2/dx^2)) + Coulomb interaction for 2 electrons I ...

astronomy Confuse
Time dilation is the theory of time relative to motion. It is the principle that time elapsed is relative to motion, such that time passes more slowly for a system in motion than for one at rest relative to an outside observer. Further, as predicted by Einstein's special ...

Geology
Im after info that will help me answer what the relevance of the age of the oceanic crusts and the continental crusts within the south american plate Are there presence of hotspots on the south american plate? what is the process that is responsible for the change in area of ...

Science PHYSICS
THANK YOU what is the magnitude of acceleration that the force 5.0 x 10³ N causes when applied to a vehicle with a mass of 1.1x10³kg??? How do i present the answer for this ?

Science PHYSICS
SO desperate with help with this. What is the magnitude of the acceleration that this force will cause when applied to a car with a mass of 1.1x10³Kg Then calculate the final speed of the car (above) assuming that it was standing still initially and that the force of 5.0 ...

7th grade science
what is the position of the diaphram when you make it inhale and exhale?

Chemistry
OK thank you so much! I was wondering whether or not there would be 2 OH ions to account for. Thanks again!

Chemistry
If 4.56 grams of NaOH and 56.3 grams of Ca(OH)2 are added to enough water to make 1.50 L of solution, what will the pH be?

Chemistry
I have some enthalpies of formation for a reactant and transition state but calculated using different computational methods. I want to find the ratio of the forward rate constants determined using both methods but I'm not really sure how. I thought I could maybe use ...

Chemistry
Iron metal is dissolved in dilute aqueous HCl. The resulting solution is warmed with dilute nitric acid and then treated with aqueous potassium iodide. Write equations for the reactions. Ok so for the first step I got: Fe + 2HCl --> FeCl2 + H2 I'm guessing that when ...

Chemistry
I'm trying to write an equation for the reaction of zinc nitrate with aqueous ammonia. I know that zinc hyroxide is produced first but I don't really know how to write an equation for this. This is what I came up with: Zn(NO3)2 + 2OH- --> Zn(OH)2 + 2NO3- I'm not...

Paragraph
elisabeth ur sentence is way better compared to mine, thanks B.F

Paragraph
Satisfy me by improving this and I'll be thankful to you 4ever. In the following paragraphs I will be talking about her life, where and who she performed with, which songs she sang, and what awards she won, and her charity work. It seems like Im missin something around in ...

Maths (limits)
for the first question, use ur GC (graphic calculator), u can see frm the table function that answer is 0.2 for the 2nd one, it is to say 2+lim(100/x)=2

Maths
1. list all the possible ages of the children (you don't need to, cos i've done it for you) - eg. (1, 1, 11) (1, 2, 10) etc 2. if you list all this, you will find that there are 2 answers that give a solution of 36. these are: (6, 6, 1) and (9, 2, 2) 3. the master says...

Finance
Bunyan Lumber, LLC, harvests timber and delivers logs to timber mills for sale. The company was founded 70 years ago by Pete Bunyan. The current CEO is Paula Bunyan, the granddaughter of the founder. The company is currently evaluating a 5,000 acre forest it owns in Oregon. ...

6th grade math
Thank you Ms. Sue

6th grade math
how do you find the reciprocal of 0.68?

business
Suppose I am a cashier working at McDonald's. What are their levels of management and organizational structure, managerial levels and positions?

business
What basic characteristics are needed for a shoe salesman to achieve a good person-job fit?

business
What basic characteristics are needed for a shoe salesman to achieve a good person-job fit?

English
I just took this test and answered 5 and got it wrong.

Expression
I have to introduce myself (character, life) in an original way and I haven't got a clue how to do this. I'm not a very creative person and time is ticking. It's stressing me out. Anyone got ideas ?

6th Grade Math
OK THANKS EVERYONE WHO HELPED MY SISTER SAYS THANKS TOO!!!!!<3

6th Grade Math
Ok i need to know what 2 3/6 + 3 1/2 is 4-2 3/5 and 2/3*4/5 is because i forget how to do adding subtracting and mutiplying fractions

7th grade math
suzanne earns s dollars per year.Francine earns f dollars per year.How much more money does Francine earn than suzanne?

7th grade math
add t and m. how much greater than w is the sum?

7th grade math
when p is subtracted from a certain number, the difference is 50. Find the number.

7th grade math
when s is added to another number, the sum is 26,493.what is the number?

chemistry
given 40.0g of iron, how many grams of iron II oxide are produced.

7th grade science
If an organism expresses a recessive phenotype can you tell the genotype? Explain, include one example in your response.

7th grade science
What is an example of genetic engineering helping people ?

info
What does Kamloops mean in native dialect?

science
compare inheritance by multiple alleles and polygenic inheritance

Math
Laurie expects to make $100,000 in 2007. Her social security tax rate is 6.20% up to the wage base, Medicare is 1.45%. How much FICA is Laurie expected to pay for the year?

science
compare and contrast mitosis and cell divison

science
how is Dna copied?

7th grade science
name two scientest who studied inherited genetics and what they used for research and why

7th grade science
name 2 scientest who inherited traits

Chemistry (physical)
At room temperature (25 degrees C) butane is a mixture of 72% anti and 28% gauche conformations. Calculate the difference in energy between the gauche and anti confromations. This is how I calculated it but I am not sure I am right: Boltzmann equation: N2/N1 = exp(-(E2-E1)/RT...

Healthy Decision Making
1.Wear a seatbelt in car 2.Don't play with fire 3.Wear a helmet when biking,etc. 4.Always have your shoelaces tied

science
Mitosis: Number of chromosomes in cells production Meiosis: Number of chromosomes in cells production.

Quotes
Awesome:-) these quotes are really good. I'd love to see more from others. please keep posting, thanks.

Quotes
I would like to know everyone's favorite quotes. My favorite quote is: This is a miracle that happens everytime to those who really love; the more they give,the more they possess. Out of all the quotes, I have to pick top 6, and then everyone in my class will vote for the ...

philosophy
what are your answers?

english
not illusory

7th grade
can you post those vocabulary words on here, maybe I can help.

Riddles
I would just like to know that say I need help on a riddle urgently, would i post it on Net Riddle to receive help?

Twilight
I have to do this writing assignment on anyone I want to. I really like Bella from the movie twilight so i am doing this on her. I have to describe her and all. I already know how she is from my point of view, but I would like to know how she is from yours. so please describe ...

Twilight
thanks, more ratings will be appreciated from others

Twilight
I would like to know everyone's opinion on Twilight. rate from 0 to 5. We are supposed to pick one topic, it can be on anything, so I chose twilight. I just need the average rating,thanks.

math
Kevin makes $5.25 per hour he worked 18.25 hours. What is the best estimate of the amount of money he made? Do you just divide the 2 numbers?

Math
Faryi averaged 50 mph on trip to visit an amusement park 80 miles away and started with a full tank of gas. Her car usually averaged 25 mph each time she purchased. The gas price $2.65 par gallon when she got home. Calculate Faryi’s time ( in minutes) and the cost to fill...

math
In the year 1910, many people immigrated to the United States-460,935 from northern and Western Europe, 465,356 from eastern and southern Europe, 89,534 from the Americas, 23,533 from Asia, and 1,072 from Africa. Make a bar graph to show this data. What would be an easy ...

math
how?

math
can someone please explain this problem? (-> is an arrow) assume that limit x-> 4 f(x)=0 and limit x-> 4 g(x)=3 1. limit x-> 4 (g(x)+3

math
how do i find the limit of this? (This symbol:-> is an arrow) lim of x-> 0 sin^2x/x can someone please explain?

science
How can island biogeography be compared to the design of nature reserves? I understandall the things you can do to the nature reserve in terms of bettering it but how is an island similar to a wildlife refugee or reserve (why can you compare them)? can someone please explain?

psychology
do you agree that humans are creatures as well as creators of their personal and social world

Algebra
If f(x)=x^2-2 and g(x)=1/(3x) (x does not equal 0), find g(f(-1)

english
is this a metaphor? Our shadow painted the sand

Chemistry
Which would react faster with MeI in aqueous solution: OH- or Et3N? I know that the reaction in aqueous solution would be an Sn1 reaction and so steric hindrance wouldn't have such a great effect. I am not sure which is a better nucleophile out of OH- and Et3N. OH- is ...

Chemistry
.25

Math
A set of homogeneous simultaneous equations is given by x + ky = 0 kx + 3y = 0 Calculate the two values of k that lead to non-trivial solutions to these equations and express y in terms of x for the two values. I thought that for the solutions to be no trivial the determinant ...

Chemistry
I am attempting to answer a question which asks to explain the sequence of pKaH values for a series of substituted guanidines (NH2)2CNR where R varies. The order is R = H , Ph , CH3CO , MeO , CN , NO2 pKaH = 14.5 , 10.8 , 8.3 , 7.5 , -0.4 , -0.9 I'm not quite sure how to ...

Maths
How can it be possible for a set of inhomogeneous simultaneous equations to have no unique solution?

Chemistry
Why do amides require much harsher conditions for hydrolysis than esters? I'm guessing amides are more stable for some reason, but I'm not completely sure. Is it conjugation?

Chemistry
Why does CdCO3 have a significantly lower decomposition temperature than CaCO3, despite the similarity in the ionic radii of Ca2+ and Cd2+? I think they both decompose to give the metal oxide and carbon dioxide. Could the polarising ability of Ca compared with Cd have ...

math
c 16

math
louis drew all of the possible diagonals from one vertex of a regular hexagon. Which of these statements is true? A) Each diagonal from this vertex is one of two different lengths B) None of the diagonals forms a line of symmetry of the hexagon. C) The diagonals form four ...

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