Tuesday

September 2, 2014

September 2, 2014

Total # Posts: 961

**heeeeeeeelp math**

Let x,y,z be non-negative real numbers satisfying the condition x+y+z=1 . The maximum possible value of x^3*y^3+y^3*z^3+z^3*x^3 has the form a/b where a and b are positive, coprime integers. What is the value of a+b ?
*May 31, 2013*

**heeeeeeelp math**

Miles has 4 Lego people in his Lego town. A Lego person consists of exactly 1 set of legs, a torso, and a head. All of these body parts are distinct. Miles' son comes in and takes apart the Lego people. How many different sets of 4 Lego people can be created from the pieces?
*May 30, 2013*

**heeeelp physics**

A tunable capacitor (with variable capacitance) is charged by a U 0=12 V battery and then is connected in parallel to a R=3 Ω resistor. The capacitance C(t) of the capacitor is controlled so that the current in the circuit remains constant at all times. What is the power...
*May 30, 2013*

**pllllls heeeeeeeeelp math**

Let x,y,z be non-negative real numbers satisfying the condition x+y+z=1 . The maximum possible value of x^3*y^3+y^3*z^3+z^3*x^3 has the form a/b where a and b are positive, coprime integers. What is the value of a+b ?
*May 30, 2013*

**math plllls heelp**

How many integers 1≤N≤1000 can be written both as the sum of 26 consecutive integers and as the sum of 13 consecutive integers?
*May 29, 2013*

**heeeeeeeeeeeeeeeeeeeelp maths**

In triangle ABC, points D,E,F are on sides BC,CA,AB respectively such that AD,BE,CF are angle bisectors of triangle ABC. The lines AD,BE,CF are concurrent at I, the incenter of triangle ABC. If ∠BAC=92∘, what is the measure (in degrees) of ∠EIF?
*May 28, 2013*

**help math**

In triangle ABC, points D,E,F are on sides BC,CA,AB respectively such that AD,BE,CF are angle bisectors of triangle ABC. The linesAD,BE,CF are concurrent at I,the incenter of triangle ABC. If Angle BAC=90, what is the measure (in degrees) of Angle EIF?
*May 28, 2013*

**help maths**

f(x) is a cubic polynomial such that f(n)=1/n^2+1 for n=1,2,3,4. If f(0)=a/b,where a and b are coprime positive integers, what is the value of a+b
*May 28, 2013*

**geometry**

A rectangular prism has a volume of 250 cubic cm.What would the volume be if one dimension stayed the same, a second dimension was three times as long, and the third was twice as long?
*May 23, 2013*

**Probability**

Andrew has ten different two-player board games on his shelf. He has them numbered 1 through 10. When he plays the game i against Diego, he has a i^2/100 chance of winning. If Andrew rolls a fair ten-sided die to determine which game to play, the probability that he will win ...
*May 20, 2013*

**Geometry**

ABC is a triangle with a right angle at A. M and N are points on BC such that AM is the altitude, and AN is the angle bisector of ÚBAC. If CN/NB =21 , what is CM/MB ?
*May 16, 2013*

**Algebra**

Suppose x and y are real numbers and 4x+3xi+yi−43=2y+2xi−x+2yi+5i . What is the product xy .
*May 15, 2013*

**Science**

Two point charges +q=1 ìC and −q=−1 ìC with mass m=1 g are fixed at the positions ±r ⃗ 0 with |r 0 |=1 m . The charges are released from rest at t=0 . Find the time ô in seconds at which they collide.
*May 15, 2013*

**math**

what is a pentagon
*May 13, 2013*

**algebra**

4x-3y=24
*April 28, 2013*

**Statistics**

help
*April 24, 2013*

**accounting**

Ziegler Corporation purchased 25,000 shares of common stock of the Sherman Corporation for $40 per share on January 2, 2010. Sherman Corporation had 100,000 shares of common stock outstanding during 20 I3, paid cash dividends of $120.000 during 20 I3, and reported net income ...
*April 20, 2013*

**College Physics**

A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a frictionless wall. Determine a formula for the minimum angle at which the ladder will not slip.
*April 20, 2013*

**College Physics**

A large 61.0 kg board is propped at a 45 degree angle against the edge of a barn door 2.9m wide. How great a horizontal force must a person behind the door exert (at the edge) in order to open it? Assume that there is negligible friction between the door and the board but that...
*April 20, 2013*

**College Physics**

A cubic crate of side s=2.0m is top-heavy: its CG is 18cm above its true center. Part A) How steep an incline can the crate rest on without tipping over? Part B) What would your answer be if the crate were to slide at constant speed down the plane without tipping over? (The ...
*April 20, 2013*

**chemistry**

URGENT THANKYOU
*April 17, 2013*

**chemistry**

C2H5OH+O2-CH3COOH+H2O HOW MANY MOLES OF ETHANOL IN 5g
*April 17, 2013*

**language arts & writing**

probably c if i were to guess
*April 15, 2013*

**chemistry (electrochemistry)**

1) For the following electrochemical cell Cu(s)|Cu2 (aq, 0.0155 M)||Ag (aq, 1.50 M)|Ag(s) write the net cell equation. Calculate the following values using standard potentials as needed. Eo cell and dGo for each reaction...
*April 15, 2013*

**chemistry**

A current of 3.78 A is passed through a Pb(NO3)2 solution for 1.40 hours. How much lead is plated out of the solution?
*April 15, 2013*

**accounting**

Hillsborough Co. has an available-for-sale investment in the bonds of Schuyler with a carrying (and fair) value of $ 85,540. Hillsborough determined that due to poor economic prospects for Schuyler, the bonds have decreased in value to $ 59,710. It is determined that this loss...
*April 14, 2013*

**accounting**

Rushia Company has an available-for-sale investment in the 10%, 10-year bonds of Pear Co. The investment’s carrying value is $3,200,000 at December 31, 2010. On January 9, 2011, Rushia learns that Pear Co. has lost its primary manufacturing facility in an uninsured fire. ...
*April 14, 2013*

**Algebra**

a,b,c are positive integers such that a:b=7:9 and b:c=12:7 . What is the smallest possible value of a ?
*April 11, 2013*

**math**

Thank you sir
*March 31, 2013*

**math**

Hi ! Here is my question: The pythagorean theorem gives the relationships between the sides of a right triangle. The following identities show the relationships between the trigonometric functions of a particular angle. sin^2(theta) + cos^2(theta) = 1 tan^2(theta) + 1 = sec^2(...
*March 31, 2013*

**math**

find the monthly payment for the loan. Finance $ 750.000 for a warehouse with a 9.50% 30 year loan.
*March 17, 2013*

**math**

thank you I got this 65.89
*March 17, 2013*

**math**

Ms Sue where did you add 5%
*March 17, 2013*

**math**

Ms Sue What about 15% installment loan
*March 17, 2013*

**math**

Karen and Wayne need to buy a refrigerator because theirs just broke. Unfortunately, their savings account is depleted, and they will need to borrow money in order to buy a new one. Sears offers them an installment loan at 15% (add-on rate). If the refrigerator at Sears costs...
*March 17, 2013*

**math**

Thank you for help.
*March 17, 2013*

**math**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.65 times 10^-5 watts/cm^2
*March 17, 2013*

**math**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.65 times 10^-5 watts/cm^2
*March 16, 2013*

**math**

Thank you for your help.
*March 15, 2013*

**math**

Thank you for answering my question.But I really do not know what happend to the 4 in front of the equation?
*March 15, 2013*

**math**

4 In e= In (ã(3))/(x)-4 In e Solve the equations by finding the exact solution.
*March 15, 2013*

**Chemistry**

I just tried that and it told me the answer was incorrect. It gave a hint saying In acidic solution, use the reaction given for the solvation of CaCO3 in acidic solution. Construct a concentration table that allows for the calculation of final concentration as if the reaction ...
*March 11, 2013*

**Chemistry**

Compare the g/L solubility of CaCO3 in pure water, a H3O+ (aq) solution with a PH of 3.00 and a H30+(aq) solution with a pH of 1.00. Ksp for CaCO3 is 3.36 x 10^-9 CaCO3 (s) + H3O (aq) = Ca (aq) + HCO3 (aq) + H2O (l) (equilibrium equation) Keq= 71 I knew how to do this for pure...
*March 11, 2013*

**chemistry**

Chlorine gas is collected in a gas collecting tube above water. The gas is at 20oC and the total pressure in the tube is 755 mmHg. What is the pressure (in mmHg) of chlorine gas in the tube?
*March 11, 2013*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed with a mean of 175 and a variance of 4. The material is considered defective if the breaking strength is less than 170 pounds. What is the probability that a single, randomly selected piece of...
*March 10, 2013*

**Physics**

Your grandfather clock’s pendulum has a length of 0.9930 m. If the clock loses 95.6 seconds per day, by how many millimeters should you adjust the length of the pendulum?
*March 10, 2013*

**Physics**

What is the period of a simple pendulum 83 cm long on the Earth?
*March 10, 2013*

**Physics**

A pendulum has a period of 4.28 s on Earth. What is its period on Mars, where the acceleration of gravity is about 0.37 that on Earth?
*March 10, 2013*

**math**

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 80 people. (a) How many would you expect to be between 170 and 175 cm tall? (b) How many would you expect to be taller than 179...
*March 10, 2013*

**Literature**

I'm doing a literary analysis of Mark Twain's "The Private History of a Campaign that Failed" and I'm having a hard time coming up with a good these statement... Any suggestions?
*March 6, 2013*

**probability**

the probability of drawing a club from a deck of card is 1/4 what are the odds in favor of drawing a club from an ordinary deck of cards?
*March 3, 2013*

**math**

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount 'a' spent on advertising (in dollars) by the following formula: N= 1,500 + 400 ln a ( a ¡Ý 1 ) How many units are sold after spending $ 1,000 (to ...
*March 3, 2013*

**math**

calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). $ 400 balance, 15%, $ 50 payment. A) previous balance ...
*March 3, 2013*

**math**

calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). $ 400 balance, 15%, $ 50 payment. A) previous balance ...
*March 3, 2013*

**math**

Classify the finacial problem. Assume a 7% interest rate compounded annually. Find the value of a $ 1,000 certificate in 4 years. a) sinking fund, b) ordinary annuity, c) future value, d) present value e) amortization
*March 3, 2013*

**math**

Classify the finacial problem. Assume a 7% interest rate compounded annually. Find the value of a $ 1,000 certificate in 4 years. a) sinking fund, b) ordinary annuity, c) future value, d) present value e) amortization.
*March 2, 2013*

**math**

Classify the finacial problem. Assume a 7% interest rate compounded annually. Find the value of a $ 1,000 certificate in 4 years. a) sinking fund, b) ordinary annuity, c) future value, d) present value e) amortization.
*March 2, 2013*

**math**

calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). $ 400 balance, 15%, $ 50 payment. A) previous balance ...
*March 2, 2013*

**math**

find the monthly payment fot the loan. $ 500 loan for 12 months at 13%
*March 2, 2013*

**math**

calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). $ 400 balance, 15%, $ 50 payment. A) previous balance ...
*March 2, 2013*

**Math**

3) Bobby Ray brought 14 gallons of green punch to a St Patrick’s Day party. He wanted to fill each cup with 2/3 of punch. How many people got a cup of punch? _______________
*February 28, 2013*

**us history**

How did the Supreme Court rule on the Indian Removal Act? is it Jackson's order to move the Indians west was unconstitutional. or The Indian Removal Act was unconstitutional.
*February 24, 2013*

**math**

Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of $42,500 with factory and dealer rebates of $5,100 (a) Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the nearest cent.) $ (b) Find ...
*February 24, 2013*

**us history**

plz someone give me the answer ive read m book over and over i cant find the answer to why is new orleans important
*February 23, 2013*

**math**

find the present value using the present value formula. Achieve $ 225,500 at 8.65% compounded continusly for 8 years 155 days
*February 23, 2013*

**math**

The sum of the digits of a positive two-digit number is 13,If twice the first digit is 1 less than the second digit,what is the two-digit number ?
*February 20, 2013*

**math**

Ohhhhh that makes much more sense thank you so just p/8 or p/8=x ?
*February 20, 2013*

**math**

that makes sense so it would be 8/p then?
*February 20, 2013*

**math**

YOU MULTIPLY! right..?
*February 20, 2013*

**math**

so is it 8 times x? 8*x?
*February 20, 2013*

**math**

The perimeter of a regular octagon is p. write an expression that represents the length of one side of the octagon?
*February 20, 2013*

**Math**

The total amount would equal $630. 100 x 5 = 500 10 x 13= 130 1 x 10= 10 ---- $640
*February 20, 2013*

**math**

find the present value using the present value formula. Achieve $ 225,500 at 8,95% compounded continuously for 8 years, 135 days.
*February 17, 2013*

**Spanish**

Answer the following question in Spanish..que pides muchas veces como Plato principal
*February 17, 2013*

**history**

How mr andrew treat his workers
*February 7, 2013*

**Algebra**

On a map 1/2 in=8 miles. What would the actual distance be if there 7 1/4 miles?
*January 29, 2013*

**English**

There is consonance, no alliteration
*January 27, 2013*

**marketing**

will you help me out with the answers?
*January 26, 2013*

**marketing**

When a local bank in Kansas City makes loans to its small business customers, it charges them an interest rate for borrowing money. Interest rates are part of the ____________ environment. a. cultural and social b. economic c. legal d. political e. competitive
*January 26, 2013*

**marketing**

The total profit approach to evaluating possible product-market strategic plans: a. is the best approach to use. b. cannot be used to compare possible plans unless they are very similar. c. may support a plan that is not the most profitable in the short run. d. requires only ...
*January 26, 2013*

**marketing**

Few people in Europe diet. So the same soft drink that PepsiCo sells in the U.S. under the brand name of Diet Pepsi is sold in England under the brand name of Pepsi MAX. This is an example of which part of the external market environment? a. Competitive b. Legal c. Cultural ...
*January 26, 2013*

**marketing**

Regarding the current legal environment facing U.S. marketing managers: a. state and local laws vary but contain important regulations. b. the focus has shifted from let the buyer beware to let the seller beware. c. product safety is now controlled. d. businesses and ...
*January 26, 2013*

**marketing**

The economic environment a.of an individual country has little effect on other countries. b. refers to the application of science to convert resources to output. c. includes changes in interest rates and inflation. has little impact on an organization's marketing strategy...
*January 26, 2013*

**marketing**

Overall company objectives should: a. be specific. b. focus on returning some profit to the business. c. be realistic and achievable. d. be compatible with one another. e. all of the above.
*January 26, 2013*

**Physics**

A bullet moving at a speed of 154 m/s passes through a plank of wood. After passing through the plank, its speed is 149 m/s. Another bullet, of the same mass and size but moving at 91 m/s, passes through an identical plank. What will this second bullet's speed be after ...
*January 23, 2013*

**Physics**

A bullet moving at a speed of 154 m/s passes through a plank of wood. After passing through the plank, its speed is 149 m/s. Another bullet, of the same mass and size but moving at 91 m/s, passes through an identical plank. What will this second bullet's speed be after ...
*January 23, 2013*

**Physics**

This is for physics class. Sally applies 32 N of force at an angle of 22 degrees above the horizontal to a 12 kg crate. Ignoring friction, calculate the horizontal acceleration of the crate? Conceptual: will the acceleration of the crate increase or decrease if the same force ...
*January 17, 2013*

**Science**

This picture explains it pretty well. heathcotebl.wikispaces.███/file/view/f20-2a_negative_feedbac_c.jpg/294177878/f20-2a_negative_feedbac_c.jpg replace the ███ with .c0m without the 0
*January 17, 2013*

**Physics**

Find the magnitude of the x and y components of the following vector: ----------------- \ 35 degrees \ 52 N \ \ I also have to find out which of the components is negative in direction.
*January 17, 2013*

**Algebra**

Is the series 72, 48, 32,... an arithmetic or geometric series. WHat is common difference or ratio
*January 17, 2013*

**Math (intergrated algebra)**

What's is the volume of a cylinder when the diameter is 14 inches & the height is 5 inches
*January 7, 2013*

**Math**

The dimensions of Mrs. Singleton's square garden are dilated using a scale factor of 3. What is the relationship between the area of the new garden and the old garden? A. The are of the new garden is nine times the area of the original garden B. The area of the new garden ...
*January 7, 2013*

**Math**

Craftsmen install 500 sq ft of ceramic tile and 100 sq ft of vinyl tile in one day. An apprentice installs 100 sq ft of ceramic tile and 200 sq ft of vinyl tile in one day. The firm has a job that requires 2000 sq ft of ceramic tile and 1600 sq ft of vinyl tile. Tessa pays ...
*December 7, 2012*

**Math**

Craftsmen install 500 sq ft of ceramic tile and 100 sq ft of vinyl tile in one day. An apprentice installs 100 sq ft of ceramic tile and 200 sq ft of vinyl tile in one day. The firm has a job that requires 2000 sq ft of ceramic tile and 1600 sq ft of vinyl tile. Tessa pays ...
*December 6, 2012*

**Math**

Craftsmen install 500 sq ft of ceramic tile and 100 sq ft of vinyl tile in one day. An apprentice installs 100 sq ft of ceramic tile and 200 sq ft of vinyl tile in one day. The firm has a job that requires 2000 sq ft of ceramic tile and 1600 sq ft of vinyl tile. Tessa pays ...
*December 6, 2012*

**Physics**

A satellite is orbiting the earth at a distance of 1.00 x 10^3 km. What is its speed?
*November 28, 2012*

**Math**

If you get a confidence interval of (42,58) what is your margin of error?
*November 27, 2012*

**Classifyng triangles**

Tell wether the statement is always, so Etimes, or never true. Justify your reasoning and i clude example .The sum of any two angle measures in an acute triangle is greater than 90 degree.
*November 26, 2012*

**math**

A pair of dice are rolled find the following, a) the probability of doubles, b) the odds in favor of a sum greater than 2, c) the probability of sum that is even and less than 5
*November 26, 2012*

**math**

Two cards are drawn without replacement from a standard deck of 52 cards. Find the probability a) both cards are red ,b) both cards are the same color, c) the second card is a king given that the first card is a queen, d) the second card is the queen of hearts given that the ...
*November 26, 2012*

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