Thursday
July 24, 2014

Posts by Rose


Total # Posts: 900

college
This was written the first way. Do you still calculate the same way? Thanks for the help!

college math
Decide whether the pair of lines is parallel, perpendicular or neither. 5x+3y=4 3x+5y=5

algebra
Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and B is traveling at 120 mph. Train A passes a station at 9:10 pm. If train B passes the same station at 9:25pm what time will train B catch up with train A?

algebra
Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and B is traveling at 120 mph. Train A passes a station at 9:10 pm. If train B passes the same station at 9:25pm what time will train B catch up with train A?

statistics
How do you solve this problem? physical therapy reported that it has been estimated that 80 percent of all lower back pain cases are caused by weak trunk muscles. if 15 patients with lower back pain are examined, what's the probability that 1. exactly 10 have pain caused b...

chemistry
Will tetrahedral [ZnABCD]2+ display optical isomerism?

Calc
how do I integrate x^4-3y^3+2y^2? thanks

chem
why cant the molecule C2H6N exists?

literature
Read the following passage from act 3, scene 2.       So we grew together,       Like to a double cherry, seeming parted,       But yet an union in partition; In this passage, Helena is referring both to herself and to A. O...

Economics/Algebra
I know the answer for a. Profit maximizing quantity: 450 Profit maximizing price: $55 Profit: $20,250

psychology
What are some of the characteristics of a Type A personality? How might having a Type A personality affect a person’s reaction to stress? What would you view as some advantages or disadvantages of a Type A personality?

11th grade Physical Science
A 2-kg block rests on a wall that is 3 m tall. What is the gravitational potential energy of the block? The force of gravity on Earth (g) is equal to 9.8 m/s2.

Finance
What experience(good or bad)do you (or someone you know)have with IRS or any other taxing authority.

Finance
Two things are certain life and death and taxes we often hear. Do you think it is justfied for government to levy taxes why or why not.

physics
A 2-kg block rests on a wall that is 3 m tall. What is the gravitational potential energy of the block? The force of gravity on Earth (g) is equal to 9.8 m/s2.

chemistry
The mass of a golf ball is 45.9g . If it leaves the tee with a speed of 80.0m/s , what is its corresponding wavelength?

chemistry
The mass of a golf ball is 45.9g . If it leaves the tee with a speed of 80.0m/s , what is its corresponding wavelength?

Chemistry
What minimum frequency of light is required to ionize potassium in419 KJ/mol?

Chemistry
A microwave oven operates at 2.40 GHz . What is the wavelength of the radiation produced by this appliance?

Chemistry
A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz (MHz), where 1 MHz=10^6 Hz . Calculate the broadcast wavelength of the radio station 107.1 FM.

chemistry
How many grams of Na2CO3 can be produced from 2.715 g NaHCO3?

chemistry
How many grams of Na2CO3 can be produced from 2.715 g NaHCO3?

Chemistry
A 2.85g sample of an unknown chlorofluorocarbon is decomposed and produces 560mL of chlorine gas at a pressure of 754mmHg and a temperature of 298K . What is the percent chlorine (by mass) in the unknown chlorofluorocarbon?

Chemistry
A 260-ml flask contains pure helium at a pressure of 756torr . A second flask with a volume of 470ml contains pure argon at a pressure of 717 torr . A)If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of helium? B)If th...

Chemistry-Please help
When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the reaction CaCO3(s)---->CaO(s)+CO2(g) How many grams of calcium carbonate are needed to produce 59.0L of carbon dioxide at STP?

Chemistry-Please help
If 1.00mol of argon is placed in a 0.500- container at 28.0 degree Celsius, what is the difference between the ideal pressure (as predicted by the ideal gas law) and the real pressure (as predicted by the van der Waals equation)? For argon,a=1.345(L square. atm)/mol square and...

Chemistry-Please help
A 3.00-L flask is filled with gaseous ammonia, . The gas pressure measured at 17.0 degree celsius is 2.35atm . Assuming ideal gas behavior, how many grams of ammonia are in the flask?

Chemistry-Please help
How many air molecules are in a 12.0*12.0*10.0 ft room? Assume atmospheric pressure of 1.00 atm, a room temperature of 20.0 degree Celsius , and ideal behavior. Volume conversion:There are 28.2 liters in one cubic foot.

Chemistry-Please help
In an air-conditioned room at 19.0 degree celsius , a spherical balloon had the diameter of 50.0cm . When taken outside on a hot summer day, the balloon expanded to 51.0cm in diameter. What was the temperature outside in degree celsius? Assume that the balloon is a perfect sph...

Chemistry-Please help
Air is about 78.0% nitrogen molecules and 21.0% oxygen molecules. Several other gases make up the remaining 1% of air molecules. A)What is the partial pressure of nitrogen in air at atmospheric pressure (1 atm)? Assume ideal behavior.

8th grade literacy
what is the difference between hype and reality?

Biochemistry
What physical properties are different for the isomers of C4H10? Explain.

Chemistry-Please help
2C8H18(g)+25O2(g)-->16CO2(g)+18H2O(g) 0.290mol of octane is allowed to react with 0.600mol of oxygen.The limiting reactant is Oxygen. How many moles of water are produced in this reaction? After the reaction, how much octane is left?

Chemistry-Please help
2C8H18(g)+25O2(g)+16CO2(g)+18H2O(g) 0.290mol of octane is allowed to react with 0.600mol of oxygen.The limiting reactant is Oxygen. How many moles of water are produced in this reaction? After the reaction, how much octane is left?

Chemistry-Please help
A solution contains one or more of the following ions: Hg2 2+,Ba2+ ,Fe2+ and . When potassium chloride is added to the solution, a precipitate forms. The precipitate is filtered off and potassium sulfate is added to the remaining solution, producing no precipitate. When potass...

Chemistry-Please help
Find the percent by mass of sodium chloride in a 1.45M NaCl solution. The density of the solution is 1.05g/mol .

Chemistry
Hydrogen gas,H2 , reacts with nitrogen gas,N2 , to form ammonia gas,NH3 , according to the equation 3H2+N2-2NH3 How many grams ofNH3 can be produced from 2.90mol ofN2 ? How many grams ofH2 are needed to produce 13.75g of NH3 ? How many molecules (not moles) ofNH3 are produced ...

Chemistry-Please help
A student placed 11.0 of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.-ml mark on the neck of the flask was reached. The flask was then shaken until the solution was uniform...

Chemistry
Hydrogen gas, , reacts with nitrogen gas, , to form ammonia gas, , according to the equation 3H2+N2-2NH3 How many grams of are needed to produce 13.75g of NH3 ? How many molecules (not moles) of are produced from 8.26×10−4g of H2 ?

Chemistry
Hydrogen gas, , reacts with nitrogen gas, , to form ammonia gas, , according to the equation 3H2+N2-2NH3 How many grams of can be produced from 2.90 of ?

Chemistry
Which element is oxidized in this reaction? Fe2O3+ 3CO-(arrow)2Fe+3CO2

statistics
Use Bayes' theorem to solve this problem. A storeowner purchases stereos from two companies. From Company A, 250 stereos are purchased and 1% are found to be defective. From Company B, 950 stereos are purchased and 10% are found to be defective. Given that a stereo is defe...

math
11,250

Ms. sue
it does not give me anything...

Ms. sue
Ms. Sue, is it a website or I need to google it.

Ms. sue
It has been a long time. need help on this: You have an assignment to write a research paper about the hiring practices at XYZ Mart, a large retail chain. Use the Internet to find five Web sites that you think will be appropriate to use for this assignment.

English
Can you help me with details for descriptive essay for the Eiffel Tower?

French
What's the difference between imparfait and passe compose?

French
Is il faut, like It's necessary? As in, il faut aller a l'ecole? Is it used in any other way?

physics
A baseball pitcher throws a ball with a maximum speed of 150. km/h. If the ball is thrown horizontally, how far does it fall vertically by the time it reaches the catcher's glove 20. m away? Give your answer numerically in meters using decimal notation (omit the units). Us...

Chemistry
What is the chemical formula for quartz?

Chemistry
Thanks to bobpursley for answering my question.

Chemistry
Why would NAOH solution need to be added when preparing the K2CrO4 stock solution?

science
check on the periodic table will find both the metallic and nonmetallic minerals. EX:Metallic minerals are Iron, Manganese, Copper, Silver, Aluminum, Mercury,Zinc,Titanium,Lead and Vanadium. Just check the periodic table.

3rd grade
what is a set of related addition and subtraction number sentences useing the same numbers

UOP-ETH 125
I am starting the writing process for an autobiographical research paper and was not sure exactlly what the requirements fo writing this form of paper were. Is it supposed to be written like an autobiography, in the first person? What exactlly makes it an autobiographical rese...

english
i need the antonym of biodegrable and i also need a sentence

psychology
Marla is a 42-year-old Hispanic female who comes to the mental health clinic complaining of trouble sleeping, feeling “jumpy all of the time,” and an inability to concentrate. These symptoms are causing problems for her at work, where she is an accountant. ADHD BIPOL...

psychology
Marla is a 42-year-old Hispanic female who comes to the mental health clinic complaining of trouble sleeping, feeling “jumpy all of the time,” and an inability to concentrate. These symptoms are causing problems for her at work, where she is an accountant. ADHD BIPOL...

english
plz...can you explain this briefly.....the undo-able is done in the next generation. your breath moves through the family like the wind moves through the tree......tnx......

psychology
Thank you so much ms. Sue Have a great evening.

psychology
Ms. Sue, I think these problems are due to the unreliability of poor clinician training and unclear causes

psychology
Need guidance on how to answer those questions. the text is below The DSM-IV is an important tool for clinicians. It provides a standard for diagnoses to be standardized across psychology; however, the DSM-IV is not as precise for diagnosing personality disorders as some psyc...

Math
minus 2 from 6 and get a four i think

1st grade
you have to clean the room.

history
how did American cold war policies and practices influenced international relations from the late 1940's to mid 50's?

psy
Ms. Sue you have already sent me the info. Have a good night and thnks so much

psy
Ms. Sue help me identify the following Rational and guilty Guilty but insane Not guilty by reason of insanity on the text below HE 911 CALLS BEGAN COMING JUST BEFORE 5 A.M. on June 21, 2000, from a residential neighborhood in Flagstaff, Ariz. The callers complained of a pickup...

psy
Thank you so much Mrs. Sue... Have a nice evening

psy
Ms. Sue, help me see the difference in those therms Rational and guilty Guilty but insane Not guilty by reason of insanity thank you

psychology
Thank you....

psychology
Thank you so much Mrs. Sue, it has been a while.... always nice to hear from you

psychology
can the McNaughten rule be used for a person who got drunk and killed someone. Please send me some information on this

geography
i need a climate graph for the philippines and australia so i can compare them!!! by tomorrow plzzz

1st grade
no.

psychology
a clinical interview for a child suffering from temper tantrum

psychology
In addition to the clinical interview, what other clinical assessment tools should you consider? Why? need some data to help me answer this question. Plase

psychology
I need some datas to help me understands the following: What are the four Ds? Briefly describe each one. How can culture determine what is considered abnormal?

Math
I need some data that could help me explain the following: Why the line x = 4 is a vertical line?

Accounting PLEASE LOOK THIS OVER!
No Christopher this is an assignment, infact a checkpoint for the fourth week of class, our finals are much harder than this. Do not be ignorant to people who have actually done the work themselves and are asking for help and review, be ignorant to those who want you to do it ...

Chemistry
lactic acid has a pKa of 3.08. What is the approximate degree of dissociation of a .35M solution of lactic acid? I do not know how to start it thanks!!

english
The story is Ramona Quimby age 8 if anyone knows that story line I am trying to help my son. I need to know where the story took place and what time.

Misplaced Modifiers or Parallel Sentence
How do I re-write this sentence? Basically the ad suggests that attractive men will hurt you (break your heart) in a relationship and so will shaving with a bar of soap and disposable razor as opposed to using Skintimate Shaving Gel.

Misplaced Modifiers or Parallel Sentence
How do I re-write the following? Another advertisement for Drakkar Noir Cologne shows a man dressed in black with two attractive blonde women, standing on either side of him, staring at him like innocent and naive young girls. While flipping through a magazine there is no hesi...

Misplaced Modifiers or Parallel Structure
I have another sentence to fix. ....so why do women believe they must show their physical attributes to gain contron rather than their intelligence. how should I re-write this sentence?

Misplaced Modifiers or Parallel Structure
The woman’s face was tilting up because the man standing behind her, pulled on her short, blonde her. Is is the right way to fix this misplaced modifier or parallel structure?

Modifiers and Parallel Structure
How would you recommend to write this sentence?

Modifiers and Parallel Structure
What is the correct version in writing this sentence? The man is standing behind the woman and pulls on her short, blonde hair tilting her face up.

Algebra
help me solve this problem, I am trying to help my son. 2(6+3x)<30+4(x+2)

Economics
If the price of variable input increases, then: A. The total cost curve will shift up. B. The average total cost curve will shift up. C. The marginal cost curve will shift up. D. All of the above

algebra
how should I know when an equation has infinitely many solutions?

Tailoring and dressmaking
1.it is the process of taking in extra allowance on a pattern. 2.darts-stitched on fold material tapered to the narrow end. ii,pleats-stitched on fold material to a given measurements. iii,gathers-neaten leaving extra thread then pulling the downward thread. iv,casing-insert c...

MATH
Arthur can run 1,500 meters in about 3 1/2 minutes. How many meters per minute is this?

Chemistry
I am having trouble with this question: A byproduct is chloroform (CHCL3) , a suspected carcinogen produced when HOCL, formed by the reaction of CL2 and water, reacts with dissolved organic matter. If a solution consist of 100 ppb of CHCL3 in drinking water, convert this conce...

psy
Thanks a lot Ms. Sue, It has been a while. Hope you are doing great. Take care of yourself, and nice to hear from you. rose

psy
You specialize in prenatal care, and Mary, one of your patients, just discovered she is pregnant. She is very curious about how the sex of her baby will be determined. Discuss with Mary the neuroendocrine system’s involvement in sexual development. Ms. Sue, please help me...

3rd grade
what is music

probability/stat
A lottery draws n numbers, values 1-N , from a hopper that replaces the number after it is drawn, i.e. probability of each number appearing remains constant. At the end, the winning number is drawn from the same hopper. What is the probability that the number selected at first...

math
A lottery draws n numbers, values 1-N , from a hopper that replaces the number after it is drawn, i.e. probability of each number appearing remains constant. At the end, the winning number is drawn from the same hopper. What is the probability that the number selected at first...

probability/stat
A lottery draws n numbers, values 1-N , from a hopper that replaces the number after it is drawn, i.e. probability of each number appearing remains constant. At the end, the winning number is drawn from the same hopper. What is the probability that the number selected at first...

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