Sunday
April 20, 2014

Posts by Stephanie


Total # Posts: 977

ALGEBRA
putting function machines in order. completely don't understand.

Math
Explain why the statement is incorrect: The probability that a bus will arrive late at the Civic Center is 0.35 and the probability that it will be on time ore early is 0.60

english
I am having a hard time coming up with several sentences about an interaction with a friend or family member about personal finance or credit cards that includes five different pronouns, adverbs, and adjectives. Can anyone help me?

Math-please check my answer
That is correct! Great job!

geometry
If VZ = 21, ZX = 24, and Z is the midpoint of WY, what is the length of WZ rounded to the nearest tenth?

economics
What is meant by the term utility and how does it relate to purposeful behavior

geometry
Find the volume of a cylinder with radius 6 cm and height 10 cm. Use 3.14 for ð. Round your answer to the nearest tenth.

health
does champva provide adequate level of health insurance for participants

British Literature
14. Realism was largely a reaction against >> D) Romanticism 15. Realism is associated with >> D) all of the above Those are the ones I can do easily now. I've never read the stories in here, though I recently finished a big-ass British literature course :O

Physics
A .6-kg mass at the end of a spring vibrates 3.0 times per second with an amplitude of .13 m. Determine a.) the velocity when it passes the equilibrium point, b.) the velocity when it is .1 m from equilibrium. c.) the total energy of the system, and d.) the equation describing...

Math
1. Identify the degree, leading term and leading coefficient of each polynomial function. A. f(x)= x(x+1)(3x+1)(x-2) B. f(x)= -16+3x^4 - 9x^2 - x^6 + 4x^8 2. Describe the end behavior of a ninth-degree polynomial function with a negative leading coefficient.

math
6x-4y=8 have to find the slope for that equation, and the y-intercept, so I'll start with x=0

chemistry
when 25.0 g of Zn reacts how many L of H2 gas are formed at STP

chemistry
a sample of H2O with a mass of 46.0 grams has a temperature of -58.0 degress celcius. how many joules of energy are necessary to melt 46.0 grams of ice?

chemistry
what is the solubility of Ag in water at 0 degrees celcius? what is it for calcium carbonate? and yellow brass?

Chemistry
A0 2.95 cm3

US History
Where were some of the great achievements created by the enormous growth of American cities in the last decades of the 19th century?

Billing and Coding
How do you know what the main term is in a multiple-word diagnosis? Example: Acute Fulminating Multiple Sclerosis

English /Lit
Using literary elements,compare and contrast Abigail Adams letter to her daughter with Jean de Crevecoeur's essay from letter to an American farmer. Now i read both essays, and im very fond of both of them . but i have trouble on what to compare and contrast on them, and h...

5th grade
Carol uses the same ratio table to solve the problems below. Do you agree or disagree? 8 cows/2 pigs = c cows/10 pigs 2 pigs/8 cows = 10 pigs/c cows

COMM/215 Final Grammar exam, please help
Please help me out with my final grammar exam, COMM/215 Thank you

grammar
Can you plese tell if the follong questions are true or false (fragment) 1. That movie, one of my favorites, true or false? 2.-The local baseball team, needing a good picher true or false? 4.- Using a flashlight, he looked under the bed for his shoes true or false, thank you

college chemistry
A) In some regions of the southwest United States, the water is very hard. For example, in Las Cruces, New Mexico, the tap water contains about 560 ug of dissolved solids per milliliter. Reverse osmosis units are marketed in this area of soften water. A typical unit exerts a p...

college chemistry
A solid consists of mixture of NaNO3 and Mg(NO3)2. When 6.50 g of this solid is dissolved in 50.0 g of water, the freezing point is lowered by 5.40⁰C. What is the composition of the solid (in mass percent)? Assume ideal behavior but watch out for the van’t Hoff factor.

college chemistry
Pentane, C5H12, and hexane, C6H14, combine to form an ideal solution. At 25⁰C the vapor pressure of pentane is 511 torr and that of hexane is 150 torr. In the vapor over a pentane-hexane solution at 25⁰C, the mole fraction of pentane is 0.15. What is the mole fract...

college chemistry
If gaseous H2 and O2 are carefully mixed and left alone, they can remain intact for millions of years. Is this “stability” a function of thermodynamics or of kinetics? Give a valid reason to support your choice.

college chemistry
a) Is the reaction shown below spontaneous under standard conditions at 25⁰C? CH3OH (g) ----> CO (g) + 2H2 (g) b) Will this reaction be spontaneous at 25⁰C given the following amounts of materials? CH3OH at 1.20 atm CO at 0.080 atm H2 at 0.020 atm

college chemistry
Sodium chloride is added to water (at 25⁰C) until it is saturated. Calculate the Cl- concentration in such a solution. Useful data are provided below. ∆G⁰f (kJ/mole): NaCl (s) -384 Na+ (aq) -262 Cl- (aq) -131

college chemistry
Carbon monoxide is toxic because it bonds much more strongly to the iron in hemoglobin (Hgb) than does O2. Consider the following reactions and approximate free energy changes: Hgb + O2 ---> HgbO2 ∆G⁰ = -70 kJ Hgb + CO ---> HgbCO ∆G⁰ = -80 kJ Usin...

college chemistry
A zinc-copper battery is constructed as follows: Zn | Zn+2(0.10 M) || Cu+2 (2.50 M)| Cu The mass of each electrode is 200.0 g. Each half cell contains 1.00 liter of solution. a) Calculate the cell potential when this battery is first connected. b) Calculate the cell potential ...

college chemistry
Cadmium sulfide (CdS) is used in some semiconductor applications. It is possible to evision the dissolving of this slightly soluble substance as an oxidation-reduction reaction. Calculate the value of the solubility (Ksp) for CdS given the following standard reduction potentia...

college
A standard voltaic cell is constructed so that the overall cell reaction is 2Al+3(aq) + 3M(s) --> 3M+2(aq) + 2Al(s) where M is an unknown metal. If ∆G⁰= -411 kJ for the overall cell reaction, identify the metal used to construct the standard cell.

spanish
what colors do you associate with the following words and phases? el invierno, el verano, la primavera, el ortorio, los peces tropicales, el perro Osito, Rosario

physics
A siren mounted on the roof of a firehouse emits sound at a frequency of 900 Hz. A steady wind is blowing with a speed of 15 m/s. Take the speed of sound in calm air to be 343 m/s. (c) Firefighters are approaching the siren from various directions at 15.0 m/s. What frequency d...

9th grade
(5c-9)(5c+1)

Organic Chemistry
A student tried to dissolve 5.0 grams of impure acetanilide in 50 Ml of hot water. However was not able to get it to dissolve. Why not? What would you do to get it to dissolve??

chemistry
THANKS MATT! I'm in your class too! haha, this totally helped. haha

Math/Algebra
AlgebRA / MATH

Calculus
Find the derivative of y=cos(squarerootsin(tzn(pi*x)))

Physical Science
Consider the current-carrying wires in the figure. Both cases consist of long straight wires carrying a current I. In both cases, the wire is also bent in the shape of a circular loop of radius R. The only difference is in how the bending of the wire is done to create the loo...

literature
during what part of bernice bobs her hair does bernice cut Marjories braids

math
give the prime factorization of 189

Physical Science
The frequency of circular motion for a charged particle moving around in the presence of a uniform magnetic field does not depend on ... a)The radius of the circle b)The mass of the particle c)The charge of the particle d)The magnitude of the magnetic field e)Actually, it depe...

HISTORY
WHAT ARE GOOD REULTS OF WW1?

Physical Science
Two parallel transmission wires are laid between electrical towers. The distance between towers is 200 m, while the separation between the parallel wires is only 2.5 m. If the wires carry each a current of 1000 A, the magnitude of the force between the wires is closest to ... ...

Physical Science
A 9-Volt battery is used to charge a 280 mF capacitor over a 81 Ohms resistance. How long will it take for the capacitor to reach 75% of its maximum charge? What formula is relevant?

Writing
I need to SHOW DONT TELL for my essay but need help showing Mischievous, Please Help

social studies
i would use my textbook if i had one!

social studies
what positive changes did kublai bring to ching? i have a test tomorrow please help!

social studies
what made the mongols powerful conquerors?

algerbra
n = 14

Thesis statement
How do you start a thesis statement that discusses the use of metaphors, simile, imagery and symbolism in a text?

English
your welcome!:)

English
could change the second and to where.

English
The burglas climbed hastily out of the window, terrified that he'd be caught. He didn't notice the water-butt and eventually got stuck in it and he was caught by the passing policeman.

Ethics(Proofread)
Can you please prrof reread this paper for me? As you seen before I had to write about different ethnic groups and discrimination. Please let me know what you think. Thanks! Jews in America Jews in the United States have faced prejudice, segregation, and racism. From the time ...

3rd grade
Basic Literary Elements Chart Characters Setting Conflict Theme Protagonists: Time: Who is involved: Antagonist: Place: Type of conflict:

Ethics
I have a paper started for my ethics class, but I am not sure if it fits the "criteria" or not. I am supposed to write about an ethic group to which I belong. I decided to do White women. But then I am supposed to have how the group colonized or immigrated to the US....

ETH 125
I need to write an essay answering questions. I am having trouble finding any websites on the group that I have chose. Can anyone help me find a site or a couple to answer these following questions? Did the group face prejudice, segregation, racism or any combo of the three? I...

Trigonometry
Each base angle of an isosceles triangle measures 42°. The base is 14.6 feet long. A) Find the length of a leg of the triangle. Round to the nearest tenth of a foot.  B) Find the altitude of the triangle. Round to the nearest tenth of a foot.

Math
A blueprint for a house shows a bedroom being 5.5 inches wide. The scale used to create the blueprint is 0.50 in. = 1 ft. What is the actual width of the bedroom?

Science
I am having trouble finding anything to answer this question. Any help I would appreciate it! Describe Darwin's Theory of Natural Selection and indicate why species are able to adapt to changes in their enviroment. Be sure to include a discussion of how "survival of t...

college algebra
By setting up and solving a proportion involving x, find the value of x for the car that you have chosen. State the type of car, the mileage, and show both the set up of the proportion and the steps to solve. Include units with your answer. How would I do this problem? What fo...

Government
The US has money is all i could come up with. But that isn't true since we are about 3+ Trillion dollars in deficit due to wars and many other things.

Government
Weigh the advantages and disadvantages of the current democratic system. In the chapter on the presidency, for example, you must determine the most and least important presidential power. I have some ideas like the pros are the checks and balances system that keep things equal...

Science
I just want to see what you all think. I had to write a paper on Malathion and the West Nile Virus. I also had to go by the following topics. Please let me know what you think of the paper. Thanks! Hazard Identification: A lot of people including but not limited to those that ...

Environmental Science
Does anyone know where I can find information on camparing the use of Malathion to the risk of contracting the West Nile Virus? I have to explain my vote and consider any relevant political, social and economical aspects. Just having trouble finding information, and following ...

ethinic
Thanks!

ethinic
I don't think this is totally a homework question, but maybe someone can help. I have to do a PowerPoint presentation soon and have to add speaker notes. Well I have PowerPoint 97....How can I add the speaker notes in that? I know how in 07 but I guess that don't help ...

ethics
What could you do to eliminate racial prejudice and stereotypes and reduce their damage? How does this sound for this question? About the only way I can think of helping stop some of the racism and stereotyping is to educate people mainly our children about other cultures and ...

Algebra
I am having such a hard time in this class. Hopefully someone here can help me to understand some of what they are trying to teach me. I have a problem here and have been working on it for about an hour now and I can not figure it out. I need to come up with an answer but I ne...

internet
Your Microsoft/Powerpoint is a program that you can buy. If you are enrolled in a college, usually you can get it for a discount. This will be a program that is downloaded onto your computer. I hope this helps.

ethics
Just have a question if to if anyone can show me how to set up a APA citation reference and a in-text citation...... Also how to set up APA format..I read the directions and still get it wrong, so if anyone knows how to simplify it for me I would appreciate it!!!

math
Shouldnt this be rounded up to 111? Since the exact answer is 110.156 and you cant play 110.156 tournament, you would have to play either 110 or 111 tournaments. If you only played 110 you would not have exactly 1,000,000....

Math
How can we solve this using a Venn diagaram? 12 out of 1000 women at age forty who participate in routine screening have breast cancer. 880 out of 1000 women with breast cancer will get positive mammographies. 90 out of 1000 women without breast cancer will also get positive m...

Math - Venn Diagrams
How can we solve this using a Venn diagaram? 12 out of 1000 women at age forty who participate in routine screening have breast cancer. 880 out of 1000 women with breast cancer will get positive mammographies. 90 out of 1000 women without breast cancer will also get positive m...

statistics
At Guadalajara Airport, passengers must claim their luggage and then proceed to Customs. In the Customs area, each passenger will press a button that activates a modified stoplight. This light has only red and green bulbs. If the green light shows, the passenger is free to go....

College chemistry
a) is around 2.0 b) is zero, all the substance has vaporized at 25 degress there for none of it will be left as a liquid

Literary Analysis and Composition
exposition in the story A cub pilot

2nd grade
How many flat surfaces, vertices, & edges does a cylinder have??

science
how did the oceans formstion affect the atmosphere?

science
how do scientists think the ocean was formed?

science
how do volcanic out-gasses affect the atmosphere?

PHYSICS
Gerry, who weighs 500 newtons, is late for class. It takes her 7.5 seconds to run up two flights of stairs, a total height of 8.0 meters. How much power does Gerry expend in her run upstairs?

geometry
what is the length of the hypotenuse of the triangle ABC? round the answer to one decimal place.

Algebra
How do I find the answer to this question? (9x squared + 6x- 3)- (-5x squared + 8x-8)

Japanese
Does "Uchi de nani-go o hanashimasu ka" mean "What language do you speak at home?"

algebra
Part 1: Using the Library, web resources, and/or other materials, find the logarithmic formula that gives the pH of a substance. State what each variable in your equation represents. Find the pH of an acidic substance of your choice. Using this pH, show how to find the hydroge...

principles of business
what should i do so my business can grow internally and externally?

Math - Probability
A developer can buy a piece of property that will produce a profit of $16,000 with probability .7, or a loss of $9000 with probability .3. What is the expected profit?

chemistry
how many atoms of CA is found in the mineral Hydroxyapatite( Ca5OH(PO4)3 How many atoms of H is found in the mineral Hydroxyapatite, How many atom of O in Hydroxyapatite, How many atom sof P, and has a molar mass mass of___________?

social studies
electorate

chemistry
1. the volume of an idea gas is 2.06L at standard temperature and pressure. Calculate the volume at 1.75 atm and 27CELCIUS. 2. Ethane, C2h6 has a molar heat of vaporization of 15kj/mole. How many kilojoules or energy are required to vaporize 5 g of ethane?

algebra
Pick a country of your choice that is experiencing population growth. Using the Library, web resources, and/or other materials to find the most recent population count of the country you have chosen and the population growth rate of that country. Use that growth rate to approx...

Japanese
Chuujokujin desu. Namae wa Yon desu. It is Chinsese. It's name is Yon. Is that what those sentences mean in English?

math
how do u solve "why did zorna pour ketchup on her brothers hand?"

definition
what word is similar to the definition "to make significant" or "to make unique" ?

Math
x=arcsin(5/13) y=arccos(3/5) so find those calculations and plug it into cos(x+y) or in other words cos(x+y)=(arcsin(5/13)+arccos(3/5))

science
can you please try to explain this to me so i understand

science
what is the wavelength of radiation with a frequency of 1.50 times 10^13s-1? Does this radiationhave a longer or shorter wavelength than red light? also... What is the energy of a photon of microwave radiation with a frequency of 3.20 times 10^11 s-1?

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