Posts by Shelly

Total # Posts: 343

english
What is the error in the sentence? Try and find a suitable replacement for the discontinued model.

Chemistry
Determine the boiling point(bp)of 0.44 m Naphthalene, C10H8, in Benzene, C6H6. kb(C6H6)=2.53, bp(C6H6)=80.1

math
sue had $5.65 worth of quarters and dimes. she had 3 more quarters than she had dimes. how many quarters does she have? how many dimes does she have?

Chemistry
How many grams of acetic acid must be dissolved to produce 3875 ml with a Ph of 2.9?

Physic
A lamp filament is made of tungsten. Why do we get a continuous spectrum rather than a tungsten line spectrum when light from an incandescent lamp is viewed with a spectroscope?

Chemistry
If the osmotic pressure of urea (CH4N20) in water is measured at 0.0259 atm at 25 degress C what is the molartiy of the urea solution?

Science
The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 1.091×10−3 M−1s−1. What is the initial rate of reaction in a reactor ...

Physics
An automobile of mass 2000 kg is driven into a brick wall in a safety test. The bumper behaves like a Hooke’s-law spring. It has an effective spring constant of 5 × 106 N/m, and is observed to compress a distance of 8.7 cm as the car is brought to rest. What was the...

Physics!!!
Question: A(n) 3.17 m long pendulum is released from rest when the support string is at an angle of 38.6 degrees with the vertical. The acceleration of gravity is 9.8 m/s2 . What is the speed of the bob at the bottom of the swing? Answer in units of m/s What I did: y=3....

soc 305
Asians

math
suppose the number of girls in class is x then, the number of boys is x+9 x+(x+9)=25

College math
2πR*(42/360) R=radius

Statistics - math
1-(3/4)^15-C(15,1)(1/4)(3/4)^14 -C(15,2)(1/4)^2(3/4)^13

math
Give answer in factored form. (5x)/(x^2-81) times (x+9)/(25x) I got 5x(x+9)(x-9)...?

Chemistry
How many grams of CO are needed to react with an excess of Fe2O3 to produce 209.7gFe? Fe2O3(s) + 3CO(g) => 3CO2(g) + 2Fe(s)

Basic college math
A rectangular kennel measures 26 1/2 feet by 20 1/4 feet. Find the area of the kennel in square feet.

law of torts
In order to prove that a product is unreasonably dangerous, a plaintiff's lawyer may: Hire an expert. Analyze the product warning. Demonstrate the product for the jury. Talk to other users of the product. All of the above. all the above? or hire an expert? not 100%sure

law of torts
If a manufacturer made 100,000 hair dryers and only one was defective, he could: a) Still be liable for the one defective hair dryer. b) Ask the court for punitive damages. c) Ask the court for exemplary damages. d) b and c. e) None of the above. I would think a?

Tort law
Product liability standards can be found in: a) The Restatement of Torts. b) Attorney notes. c) Court opinions. d) a and c. e) None of the above a?

introduction to law of torts
What would be considered an attractive nuisance in the law of torts? a) A pretty girl at the mall. b) A pool without a fence. c) A toxic waste dump. d) a and c. e) None of the above. b?

Math
Write a list of 5 numbers that have a median of 71,300.

math
At a fair malina ays a game in which she tosse a coin and then spins a spinner that has 5 different colors.How Many possible outcomes are there for malina?

math
At a fair malina ays a game in which she tosse a coin and then spins a spinner that has 5 different colors.How Many possible outcomes are there for malina?

math
Yes left pocket because it has 1 more quarter than the right.

statistics
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 80 people. (a) How many would you expect to be between 158 and 172 cm tall?

physics
A car traveling at 37 m/s breaks to a stop in 6.0 m and 3.5 s. What was the car’s acceleration? 

geometry
An oval indoor running track with semicircular ends has the dimensions of 80' long, 34' wide, and the individual lane width is 5' wide. If the track is to be resurfaced how many square feet of material will be required? Help Please!

algebra
a ball is thrown straight up into the air with an initial velocity of 128 ft/sec, the total amount of time in seconds that it takes the object to return to the earth can be calculated by using the quadratic, 128t-16t^2=0. Determine the "flight time," t, of the ball.

history
According to the Constitution, the _________ government(s) has most of the power to regulate elections. national local interstate state state?

history
The power of judicial review is found in Article I of the Constitution true or false true?

Chemistry
Thank you for your help!

Chemistry
At 20 degrees C ethanol has a density of 0.789 g/ml and H2O has a density of 1.0 g/ml. What is the % by volume of ethanol of a solution made by adding 50g of ethanol with 50g of H2O? Tutor Answer: Use density = mass x volume to convert 50 g ethanol to volume and to convert 50....

Chemistry
i thought that density = m/v? i've done the math and i think you are right because based on the above formula my answer is 126.74% However, i don't understand why if the density formula is as you stated? 1/50 = .02, 1/.789 = .01578 (0.01578/0.02) x 100 = 78.9%

Chemistry
At 20 degrees C ethanol has a density of 0.789 g/ml and H2O has a density of 1.0 g/ml. What is the % by volume of ethanol of a solution made by adding 50g of ethanol with 50g of H2O?

gov.
Presidents can circumvent checks upon themselves in all of the following ways EXCEPT executive privilege. executive statements. executive agreements. executive orders. I have no idea, I can't find it in my book. the first one?

government
The Federal Administrative System's main goal is to ________________________. implement the laws that are passed by Congress and signed into law by the President be as independent as possible from the executive branch create a huge bureaucracy to ensure that government ...

government-pos110
Which of the following is true regarding U.S. Senators? A.Senators are elected to 2 year terms. B.Senators can approve executive agreements. C.Each state has two Senators. D.Senators must be 25 years old. d sounds famaliar

government-pos110
The political system in which those who have governmental authority get and retain authority directly or indirectly because of winning free elections is called: A.a republic. B.an authoritarian system. C.a direct democracy. D.a representative democracy. D?

History
How did the Indians flight against Andrew Jackson and the government

Math
Four friends contribute sums of money to a charitable organization in Haiti in the ratio of 2:3:5:8. If the largest amount comtributed is $18,500, calculate the total amount contributed by the four people.

Chemistry
Zn + I2 ---> Zn ^+2 + 2I- will this reaction occur spontaneously?

chemistry 12
Calculate [H3O+] and [OH-] in 0.18M hyrdobromic acid, HOBr(aq) having, Ka of 2.0 x 10^-9

chemistry 12
sketch a ph curve for the titration 40.00 mLof 0.100M hyrazine H2NNH2(aq) having a Kb of 3.0 x 10^-6 by 0.100 M HCIO4(aq)

chemistry 12
Calculate [H3O^-] in a 0.15M solution of benzoic acid, HC7H5O2(aq) having a Ka of 6.4 x 10^-5 I got. 6.4x10^-5=(x)(x)/0.15 6.4x10^-5= x^2/0.15 6.4x10^-5 x 0.15 = x^2 square root of 9.6x10^-6 = square root of x^2 x= 0.003098 The pH solution is -log [0.003098] = 2.50 b.) ...

chemistry 12
Identify the two conjugate acid-base pairs in each of the following. a.) H2PO4-(aq)+HSO4-(aq) <=> H2PO4(aq)+ SO4^-2(aq) b.) HI(aq)+ CN-(aq)<==>HCN-(aq)+ I-(aq)

Math (Translate each sentance into a equation)
he difference of Rick's height and 15 is 73 Use the variable r to represent Rick's height.

Math (Translate each sentance into a equation)
Translate this sentence into an equation. 15 more than Jose's age is 67 . Use the variable j to represent Jose's age

Chemisrty
How many milliliters of a 2.0M NaOH solution are needed to neutralize 20.0 ml of a 2.5M CH3COOH solution? How do I begin to figure this out?

math
A movie theater runs two films continuously. One film runs for 85 minutes and a second film runs for 100 minutes. Both movies begin at noon. When will the two films start again at the same time?

calculus
Damon, so what you did was apply the quotient rule to the ax part? Wouldn't the -8 be -8x then? And if I'm doing it right, would my final equation be this? 0=(5x^4+10x^3+x^2+4x+4)/(x^2+x+2)^2

calculus
f(x)=8/(x^2+x+2) Set up an equation, which when solved will give the points where the tangent line has y-intercept 5.

statistics
The following gives the height of 100 men in centimeters. 153 162 168 154 151 168 162 153 161 167 157 154 165 156 163 165 160 171 170 173 164 158 163 155 167 162 168 153 161 166 163 162 163 163 163 164 165 163 162 162 163 161 162 162 158 162 167 158 169 168 168 156 160 158 169...

MATH
Can someone please HELP me figure this out? According to statistics gathered as part of a research project by a group of statistics students on the college campus, 376 out of the 439 deaths attributed to lightning strikes were male. If all of the names of the deceased were ...

Geometry
22

please help
The Everton college store paid $1859 for an order of 49 calculators. The store paid $11 each for scietific calculators. The others, all graphing calculators, cost the store $55 eaach. How many of each type of calculator ws ordered? Please answer in detail so that I can see ...

Math
Simplify the following expression; express in terms of i. squareroot -44 (My answer was 8i and I don't think that is right) Thanks A bunch

Algebra 2
no numbers left out

Algebra 2
write a quadratic equation in the variable x having the given numbers as solution. Type the equation in standard form, ax^2+bx+c=0 solution 4, only solution

Algebra 2
The number of tickets sold each day for an upcoming performance of Handel's Messiah is given..........? by N(x)=-0.3x^2+8.4x+10, where x is the number of days since the concert was first announced. When will daily tickets sales peak and how many tickets will be sold that ...

chemistry
how much heat would it take to raise the temperature of 52.0 grams of water from 22.0 degrees celcius to 100.0 degrees celcius

Algebra
what's the square root of 7/25? How do I figure it out? I don't think I can simplify the 7, but the 25 becomes a 5? but it wouldn't be 7/5?

litature
In your post, summarize the major similarities and differences between the forms of drama, poetry, and the short story. Demonstrate your ideas with textual examples from the course readings. In your response, include at least one example of each literary form. If you wish, you...

Square root
324w^9x^8/48w^5x^5

Reaearch - URGENT PLZ HELP
Bibliography Primary Source Siegalbaum, Lewis and Sokolov, Andrei. Stalinism as a Way of Life: A Narrative in Documents. New Haven: Yale University Press, 2000.

Reaearch - URGENT PLZ HELP
Have you checked your schools library?

Algebra
Total revenue is the total amount of money taken in by a business. An appliance firm determines that when is sells x washing machines, the total revenue, R, in dollars, is given by the polynomial R=252.05x-0.5x^2 what is the total revenue from the sale of 290 washing machines?

math
(4,-1)

MATH 6TH GRAD
-3x^2-11x

Algebra
This equation is incorrect because when we multiply an exponent into a bracket we multiply it with the exponents of the terms inside the bracket. The correct equation should be: (xy)^3 = x^3y^3

math
i believe the answer is 290.4 pounds? if someone would like to back me up on this answer thatd be great

math
a company bought 50lb of kona beans at $34.95 per lb. and plans to mix these with colombian beans at $7.99 per lb. wholesale. If they want the blend to be $11.95 per lb, how many lbs of colombian beans should they buy?

Organic Chemistry
4-methyl benzalacetone

math
8.33 x 10 to the negative power 46

Math
m=2,4,6,8 and n=18,16,14,12 what is the equation for m and n

operations management
Best Wheels Bicycle Company is looking to automate production of a framing component and will need to purchase new frame fabrication machinery. The company has narrowed the selection to 2 machines that have a useful life of 3 years. The company operates 8 hours a day, 200 days...

physics
1) a loaded cart with a mass of 96 kg sits at reat atop a 40 degree inclined plane that measures 20.5m long. accidentally the cart starts so to roll down the inclined plane with a frictional force of 5550N working against it for the intire 20.5m. deteremine the speed at the ...

SOC
Aron: The two double A batteries in my CD player are dead, so the CD player doesn’t work. My television remote control, which also uses two double A batteries, works fine. So if I move the two batteries from my television remote control to my CD player, the CD player will...

psychology
A histogram shows that the mean of rain in your area has increased over the last five years. What is the probability that the mean will be higher this year than in the previous five years?

AED 204
Thanks, I just did the best I could!

AED 204
Everything I am finding has to do with the Individuals with Disabilities Education Act (IDEA) not the ADA

AED 204
My assignment says to write no more than 150 words about the requirements specific law places on educators. I have the whole thing complete except for the Americans with Disabilities Act. From what I have read and understand, this focuses more on employers, public ...

grammar
Help me please!!!!!!

grammar
can you help me in semicolons, colon snd commas

6th grade
I asked one of the guards a question then iI relized he was made of wax! I need help on where to put the semicolons and colons

communication
Many businesses now have a Twitter account, MySpace account, or another social media tool they use to attract and maintain business. What value do social media offer for professional use? How has your commercial behavior been affected by social media

Earth science
what are the causes of groundwater contamination? How can you stop the contamination?

english
Thx

english
Last paragraph THe thought of the last stanza, the keyto the thought of the whole poem, is much like that of Wadsworth's beautiful lines: "One impulse from a vernal wood May teach you more of man, Of moral eveil and of good, Than all the sages can." Thus will the...

english
The next paragraph says: THe poem possesses a logical unity of thought and arrangement. The gold color of the dandelion reminded the poet of happy children playing as buccaneers; the warmth of its rich color suggested faraway sunny lands; such thoughts led to a reverie of many...

english
Thanks, that helps alot!

english
two, several, harmless, third, fourth

english
Please help me pick out the adjectives in this paragraph. In the first two stanzas, Mr. Lowell emphasized the wealth of the dandelion by using several phrases suggesting riches, such as "harmless gold," "buccaneers," and "Eldorado." In the third ...

math
how do you round 4.48 to the nearest half $

alge
What square root property is essential to solve any radical equation involving radicals?

bus/415
What is the chronological order of the major legislation that makes up the history of employment law in this country? For each law, state the social problem the law was designed to address, and discuss how employment law has affected the workplace in the last two decades.

statistics
Complete the hypothesis test: null hypothesis = 52, alternative hypothesis =<52, a=0.01 usin data set 45,47,46,58,59,49,46,54,53,52,47,41

Chemistry
"will .250 M CuSO4 power a battery the same as .100 M CuSO4? or will it be weaker?"

Communication and Gender Studies
I would say that men and women have different body language.

Communication and Gender Studies
Give an example of men in lecture mode and women being captive listeners. Secondly, provide an example of men and women using different listening signals.

History
Nationalism came earlier to India than Africa for what reason?

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