Sunday

July 5, 2015

July 5, 2015

Total # Posts: 1,765

**Calculus**

How do I differentiate ln (2X^2 - 12X + Y^2 -10Y) and the second differentiate it? HELP ASAP is much appreciated
*May 4, 2012*

**Math**

Translate the phrase to an inequality. Let X be the variable. A salary that is at most $45,000
*May 1, 2012*

**STAT**

Electricalc has determined that the assembly time for a particular electrical component is normally distributed with a mean of 20 minutes and a variance of 9 minutes. a. What is the probability that an employee in the assembly division takes longer than 22 minutes to assemble ...
*May 1, 2012*

**STAT**

The inside diameter of a manufactured cylinder is believed to follow a normal distribution centered at 5.00 inches with standard deviation of .03 inches. The diameter of the cylinder must be within 4.95 inches (the lower specification limit) and 5.07 inches (the upper ...
*May 1, 2012*

**STAT**

Airline overbooking is a common practice. Many people make reservations on several flights due to uncertain plans and then cancel at the last minute or simply fail to show up. Eagle Air is small commuter airline. Their planes hold only 25 people. Past records indicate that 20...
*May 1, 2012*

**STAT**

Determine the mean and standard deviation of the random variable for which the probability mass function is defined as follows: P(X=x)= x-2/30 if x=3,12,21
*May 1, 2012*

**STAT**

I forgot to mention.. for x 0,1,2
*April 30, 2012*

**STAT**

Let X be equal to the number of heads from tossing a coin twice. Verify that the following is the probability mass function of x. p(X x)=1/2(2-x)x!
*April 30, 2012*

**math**

183/22?
*April 30, 2012*

**Pre-calculus**

Determine the values of the trigonometric functions of t if P(t) lies in the second quadrant and on the line y = −2x.
*April 30, 2012*

**english**

what point about technology was Ayn Rand making by portraying such a primative future, and how do the events of the story establish that point?
*April 29, 2012*

**law of torts**

Causation in toxic tort cases is discussed in terms of: a) General and specific causation. b) Sharing expenses and risk. c) Strict liability and breach of warranty. d) a and c. e) None of the above. a? im torn between two answers
*April 28, 2012*

**law of torts**

thank you!
*April 28, 2012*

**law of torts**

Responsibilities of an insured include: Conducting a thorough investigation. Hiring outside counsel. Notifying the insurance company of a claim. Analyzing the factual allegations. None of the above. c? or d not 1005 sure
*April 28, 2012*

**physics**

What is the fundamental frequency for a 60 cm banjo string if the speed of waves on the string is 480 m/s?
*April 25, 2012*

**physics**

Tweety Bird hops up and down at a frequency of 0.4 Hz on a power line at the midpoint between the poles, which are separated by 18 m. Assuming Tweety is exciting the fundamental standing wave, find the speed of transverse waves on the power line. (Hint: What is the wavelength ...
*April 25, 2012*

**physics**

What frequency would you need to produce a sound wave in room-temperature air with a wavelength of 9 m? the answer in Hz
*April 23, 2012*

**physics**

A Foucault pendulum with a length of 7.5 m has a period of 5.4 s. What is its frequency? What is its frequency in Hz?
*April 23, 2012*

**Human Resource Management**

What Happens when 2 labor unions go against each other? Is it good or bad and why?
*April 23, 2012*

**intro to law of torts**

The main difference between a claim in a contract for rescission and a claim in tort for fraud include: The remedy, the proper measure of damages. The court where the trial will be held. The length of the trial. The elements a plaintiff must prove. None of the above. a?
*April 22, 2012*

**science**

scientists often use----to better see how something work? a) models b)data c) procedures d) hypothesis
*April 20, 2012*

**Math **

How much interest is earned on 20,000 at 6% for 2 yrs compounded annually?
*April 20, 2012*

**dameno**

The driver of a 1300-kg car moving at 21 m/s brakes quickly to 13 m/s when he spots a local garage sale. (a) Find the change in the car's kinetic energy.
*April 16, 2012*

**college chemistry**

Followed by the total volume. Calculate the molarity of this solution: 0.521 mol NaCl;125 mL
*April 16, 2012*

**College Chemistry**

A sample of an iron alloy contains 92.1g Fe, 2.59g C, and 1.59g Cr. Calculate the percent by mass of each component present in the alloy sample.
*April 16, 2012*

**math**

21120000 feet.
*April 16, 2012*

**chemistry**

a 500ml sample of o2 gas at 24 degrees celsius was prepared by decomposing a 3% aqueous solution of hydrogen peroxide, in this presence of a small amount of manganese catalyst by the reaction 2H2O2>2H2O+O2. The oxygen thus prepared was collected by displacement of water. ...
*April 16, 2012*

**com220**

Yes actually I have done research on this for quite some time. I just have a hard time with the whole APA outline setup for this stuff.Thank you for links mhopefully I can get a better idea .
*April 16, 2012*

**com220**

how do I go about a full sentence outline for the effects of tanning salons
*April 16, 2012*

**intro to the law of torts**

Requirements to prevail on an intrusion upon seclusion privacy claim include: a) The defendant's use of the plaintiff's identity. b) The intrusion is highly offensive to a reasonable person. c) Facts were disclosed to a third party. d) a and c. e) None of the above. B?
*April 15, 2012*

**Chemistry**

calories to freeze 35g of water calories to freeze 250g of water kilocalories to melt 140g of ice
*April 12, 2012*

**physics**

What is the minimum work in joules needed to push a 1540 kg car 44.0 m up a 12.5 degree incline?
*April 11, 2012*

**Albebra I**

bayside insurance offers 2 plans: plan A: pay the 1st $60 + 0.30 of the rest of the bills; plan b = pay 1st $140 + 0.25 of the rest of thebills. For what amount of medical bills will plan B save money? Assume there are over $140 in bills
*April 11, 2012*

**Chemistry**

50.00 mL samples of 0.200 mol/L potassium phosphate with an excess of 0.120 mol/L lead II nitrate solution. what is the minimum volume of lead II nitrate solution required? What volume of lead II nitrate solution should the instructor tell the students to use? Describe how the...
*April 11, 2012*

**Econonics**

people join tennis clubs for a fixed free per year, which entitles them to play as much as they want without charge. because people who pay these feeds play more tennis than others( who can use free public courts), this means sucnk cost matter for decision. right?
*April 11, 2012*

**physics**

The pressure in each of your car tires is 2.00 105 Pa. The mass of your car is 1610 kg. Assuming that each of your tires bears one-quarter of the total load, what is the contact area of each tire with the road?
*April 5, 2012*

**Math**

I kept doing 7/150. thanks for all your help, both of you!!
*April 1, 2012*

**Math**

that is word for word what the questions says. It also says that there is one number in the problem that you do not need for the ratio and that it confuses students. Also a reminder that there is 1000g in one kg
*April 1, 2012*

**Math**

A typical human newborn weighs 150lbs, while a newborn weighs approx 7lbs. An adult Western grey Kangaroo weighs about 30 kilograms and gives birth to babies who are approx 1 gram. If human babies were proportionally the same weight to adults as Western grey kangaroo babies, ...
*April 1, 2012*

**Math**

A goal for elite runners is to complete a mile in 4 minutes. At what speed(in miles per hour) is a runner traveling when he completes a mile in 4 minutes?
*April 1, 2012*

**math**

A giant tortoise can live 175 years in captivity. The gastrotrich, which is a small aquatic animal, has a life span of only 3 days (72 hours). If a gastrotrich died after 36 hours, a giant tortoise that lived 87.5 years would live proportionally the same because they both ...
*April 1, 2012*

**math**

Davey reads 45 pages in an hour. Sally reads 55 pages in an hour. If Davey begins to at 2pm and Sally starts to read at 2:40pm, at what time will they be reading the same exact page?
*April 1, 2012*

**World Geography Europe**

How has Europe's peninsula geography influenced its history?
*March 30, 2012*

**Math**

What is the probability of getting the sum of 7 on two die on the first roll?
*March 29, 2012*

**trig**

How do I prove : 4sinAcosAcos2Asin15 all over. :sin2A(tan225-2sinsquared A)is equal to. :root 6 - root 2 over 2
*March 26, 2012*

**physics**

A typical jogger burns up food energy at the rate of about 43 kJ per minute. How long would it take to run off a piece of cake if it contains 435 Calories?
*March 21, 2012*

**physics**

A kettle containing 1 kg of water has just reached its boiling point. How much energy, in joules, is required to boil the kettle dry?
*March 21, 2012*

**algebra II**

What is the simplified form of y^2 - y - 12 / y^2 + 8y + 15
*March 14, 2012*

**Physics**

An electric dipole comprised of two charges Q and -Q are separated by a distance of 3.0 cm. Assume Q = 2.0x10^-6 C and -Q = -2.0x10^-6 C. Find the magnitude and direction of the electric field vector E and point P, which is 4.0 cm to the right of the center of -Q. Find the ...
*March 13, 2012*

**math**

state whether each is true or false. If false, give a reason {2, 5, 7} ⊆ {2, 5, 7, 10}.
*March 13, 2012*

**Math 7th Grade**

Edit $65 + ($0.35 x A) = B [[you don't want to add 65 to .35]]
*March 12, 2012*

**Math 7th Grade**

My only guess would be since the $65 and $0.35 are set amounts, and the miles can change your equation would be something along the lines of $65 + $0.35 x A = B
*March 12, 2012*

**physics**

How much work does a 69 kg person do against gravity in walking up a trail that gains 790 m in elevation
*March 10, 2012*

**physics**

A 0.5 kg air-hockey puck is initially at rest. What will its kinetic energy be after a net force of 0.3 N acts on it for a distance of 0.5 m
*March 10, 2012*

**geometry**

360+108 radical 3
*March 8, 2012*

**math**

How many tokens of “the“ did Adam produce at stage 1?______22_______ How many tokens, in general, did Adam produce at stage 1? _7437__________ What percentage of Adam's tokens did “the“ make up at stage 1? Hi, i figured out how to calculate the first ...
*March 4, 2012*

**english**

traditionalism
*March 3, 2012*

**Finance**

You initially contributed $200,000 of your own money and in return you received 2 million shares of stock. Since then, you have sold an additional 1 million shares of stock to angel investors. You are now considering raising capital from a venture capital firm. This venture ...
*March 2, 2012*

**math**

A radio station had 170 tickets to a concert. They gave away 4 times as many tickets to listeners as to employees. How many tickets did they give away to employees?
*March 1, 2012*

**math**

A radio station has 170 tickets to a concert. They gave away 4 times as many tickets to listeners as to employees?
*March 1, 2012*

**Math please help urgent !**

y= u+3/u-1 u=x^1/3 find dy/dx at x=8
*March 1, 2012*

**Col Physics**

If a capacitor has opposite 5.3 micro-Coloumb charges on the plates, and an electric field of 2.3 kV/mm is desired between the plates, what must each plate's area be?
*March 1, 2012*

**Chemistry**

I apoligize. Yes blue dye.
*March 1, 2012*

**math**

25 guests attended the first party. 33 guests attended the second party. What is the percentage increase in the number of guests from the first to second party?
*February 29, 2012*

**algebra**

Find the solution to 36z^2+96z+15=0
*February 29, 2012*

**math**

in the formula d=rt the time t varies inversely with the rate r. a student running at 5 mph runs one lap around the school campus in 8 ninutes. if a second student takes 10 minutes to run one lap around the school campus, how fast is she running?
*February 28, 2012*

**accounting**

If current assets decrease and current liabilities increase, the current ratio
*February 28, 2012*

**accounting**

New technology, like the latest cell phones and HDTV, would probably be costed using the
*February 28, 2012*

**accounting**

Goods such as milk, bread, and cheese would probably be costed using the _______ method of inventory costing.
*February 28, 2012*

**accounting**

When a merchandiser sells on account, which of the following is not needed to record the transaction?
*February 28, 2012*

**accounting**

Meranda Corporation purchases $3,500 of inventory on account from Ashley Corporation. The journal entry to record this purchase for Meranda under a perpetual inventory system is
*February 28, 2012*

**Accounting**

A company's current ratio increased from 1.23 to 1.45. What does this mean?
*February 28, 2012*

**Finance**

Committing a fraud because the employee feels that it will be easy to do is indicative of which part of the fraud triangle?
*February 28, 2012*

**Chemistry**

A: Neutral B: Acidic C: Acidic D: Neutral
*February 27, 2012*

**Finance**

When calculating the WACC, it is standard practice to subtract __________ to compute the net debt outstanding.
*February 27, 2012*

**Finance**

A firm has $3 million market value and it sells preferred stock with a par value of $100. If the coupon rate on the preferred stock is 9% and the preferred stock trades at $95, what is the cost of preferred stock financing?
*February 26, 2012*

**Geometry**

The answer is D. Both Meg and Cassandra are incorrect.
*February 26, 2012*

**Math**

Nickels:6 Dimes:2 Quarters:8
*February 22, 2012*

**Criminal justice**

What kinds of characteristics might make a suspect in a crime a viable candidate for the problem solving drug courts?
*February 21, 2012*

**English-please help!**

@Andrea do you still have the answers?
*February 21, 2012*

**Physics**

What does Vi^2 stand for and for you u what value do i use...n for d is it 70 or 145 Thank you
*February 16, 2012*

**Physics**

A skier with a mass of 56 kg starts from rest and skis down an icy (frictionless) slope that has a length of 70 m at an angle of 32° with respect to the horizontal. At the bottom of the slope, the path levels out and becomes horizontal, the snow becomes less icy, and the ...
*February 16, 2012*

**PHYSICS**

DO i use uk or us for u cuz i used both n it was wrong I put 9(9.8)x9(.69)(.41)cos(30) :/
*February 16, 2012*

**Chemistry**

the equation is TiCl4 + O2 (yields) TiO2 + 2Cl2. How much titanium(IV) chloride must react with excess oxygen to prepare 175 grams of the pigment? The reaction is found to be 85% efficient? (%yield)??
*February 15, 2012*

**chemistry**

Write balanced equation for: Al + NH4CLO4 (yields) Al2O3 + AlCl3 + nitrogen monoxide gas, and steam
*February 15, 2012*

**physics**

A 42kg person on a merry-go-round is traveling in a circle with a radius of 2m at a speed of 5 m/s. It asked for the acceleration which I got a 12.5 m/s (second square) and it also asked for the net horizontal force which I got at 525 N but I couldn't figure out how to get...
*February 15, 2012*

**physics**

Thanks so much I couldn't figure it out.
*February 15, 2012*

**physics**

If you are holding a 20kg dumbbell straight out at arms length assuming your arm is .69 m long, what tourque is the dumbbell exerting on the shoulder?
*February 15, 2012*

**history**

Thank you very much. Once I get it written I will let you take a look at it.
*February 14, 2012*

**history**

I "suck" at history! I read and I just don't understand it. I am to get some information on the years from 1945 to 1974. I am suppose to find a social activist who inspired reform. Whether they had a good or bad influence on the times.
*February 14, 2012*

**egd**

what does egd stand for?
*February 6, 2012*

**math**

Write an expression from the model below and then simplify the expression. Positive Negative Which equation is modeled on the number line below? (-56)/(-8) = 3- (-4)= 7.1 (Rational Numbers) No Calculators Fill in the chart below. Base of 10 Whole Number or Fraction Decimal ...
*February 2, 2012*

**geometry**

Gail and her 3 friends all share half a pie. All the pieces in thwe pie put together make up 180 degrees. Gail and her friends finish the pie and they each eat an equal piece. They believe each piece has an angle equal to 25 degrees. are their calculations correct? Explain.
*January 30, 2012*

**geometry**

The hypotenuse of a right triangle is 8cm and one leg is 6cm. Find the length of the other leg. How did my teacher end up with 2 x square root of 7?
*January 26, 2012*

**Calculus 2**

U subtitution for Arc Tan(x)/ x^2 +1 dx
*January 26, 2012*

**English. Punctuation and Mechanics**

I don't know. That's why I posted it on here.
*January 23, 2012*

**English. Punctuation and Mechanics**

Identify the sentence with the correct punctuation. a) Do you have everything - such as extra clothes; for your trip? b) Do you have everything: such as extra clothes, for your trip? c) Do you have everything - such as extra clothes, for your trip? d) Do you have everything (...
*January 23, 2012*

**English**

B, I meant.
*January 23, 2012*