Monday

March 2, 2015

March 2, 2015

Total # Posts: 1,026

**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*

**English**

Is a suicide a solution for youth problems
*February 4, 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*

**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*

**mechanics**

two bodies of mass m1 and m2 are attached to two ends of a string which passes over a massless and frictionless pulley. find the acceleration of the bodies and the tension of the string. m1 is bigger than m2
*November 22, 2012*

**math**

for n repeated independent trials, with constant probability of success p for all trials, find the probability of exactly x succes n=20,p=1/8, x=2 I know the answer but I do not know how to get to that. Answer is 0.268 should I reduce fraction?
*November 20, 2012*

**math**

for n repeated independent trials, with constant probability of success p for all trials, find the probability of exactly x succes n=5,p=1/3, x=4
*November 20, 2012*

**math**

Beth Dahlke is taking a ten question multiple choice test for which each question has three answer choice only one of which is correct. Beth decides on answers by rolling a fair die and making the first answer choice if the die shows 1 or 2 the second if it showes 3 or 4 and ...
*November 20, 2012*

**math**

for n repeated independent trials, with constant probability of success p for all trials, find the probability of exactly x succes n=5,p=1/3, x=4
*November 20, 2012*

**math**

A game show contestant is offered the option of receiving a computer system worth $2300 or accepting a chance to win either a luxary vacation worth $5000 ora boat worth $8000.If the second option is chosen the contestant"s probability of winning the vacation or the boat ...
*November 19, 2012*

**Physics**

Suppose a 47-N sled is resting on packed snow. The coefficient of kinetic friction is 0.14. If a person weighing 670 N sits on the sled, what force is needed to pull the sled across the snow at constant speed?
*November 17, 2012*

**math**

Therese Felser manages a grocery warehouse which encourages volume shopping on the part of its customers. Therese has discovered that, on any given weekday 70 percent of the customer sales amount to more than $ 100. That is any given sale on such a day has a probability of 0....
*November 17, 2012*

**math**

Therese Felser manages a grocery warehouse which encourages volume shopping on the part of its customers. Therese has discovered that, on any given weekday 70 percent of the customer sales amount to more than $ 100. That is any given sale on such a day has a probability of 0....
*November 17, 2012*

**math**

Therese Felser manages a grocery warehouse which encourages volume shopping on the part of its customers. Therese has discovered that, on any given weekday 70 percent of the customer sales amount to more than $ 100. That is any given sale on such a day has a probability of 0....
*November 16, 2012*

**math**

Therese Felser manages a grocery warehouse which encourages volume shopping on the part of its customers. Therese has discovered that, on any given weekday 70 percent of the customer sales amount to more than $ 100. That is any given sale on such a day has a probability of 0....
*November 16, 2012*

**math**

Assuming boy and girl babies are equally likely, find the probability that it would take a) at least three births to obtain two girls b) at least four births to obtain two girls c) at least five births to obtain two girls
*November 16, 2012*

**math**

Three men and three women are waiting to be interviewed for jobs. If they are all selected in random order find the probability of each event. All the women will be interviewed first. No man will be interviewed until at least two women have been interviewed
*November 16, 2012*

**math**

Assuming boy and girl babies are equally likely, find the probability that it would take a) at least three births to obtain two girls b) at least four births to obtain two girls c) at least five births to obtain two girls
*November 15, 2012*

**math**

Three men and three women are waiting to be interviewed for jobs. If they are all selected in random order find the probability of each event. All the women will be interviewed first. No man will be interviewed until at least two women have been interviewed.
*November 15, 2012*

**math**

One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It has been determined ...
*November 15, 2012*

**math**

Therese Felser manages a grocery warehouse which encourages volume shopping on the part of its customers. Therese has discovered that, on any given weekday 70 percent of the customer sales amount to more than $ 100. That is any given sale on such a day has a probability of 0....
*November 15, 2012*

**math**

if only digits 0,1,2,3,4,5,6, and 7 may be used find number of possibilites four digit numbers
*November 14, 2012*

**math**

given the digits 0,1,2,3,4,5,6, and 7 find the number of possibilities in each category four digit numbers, odd three digit numbers and three digit numbers without repeating digits.
*November 14, 2012*

**Physics Resistance**

this didnt seem to work. do the voltmeter and resistor have to be treated as a parallel connection?
*November 11, 2012*

**Physics Resistance**

A 65 V. battery is connected across a 65400 ohm and a 37700 ohm resistor connected in series. What is the per cent error in the voltmeter reading when placed across the first resistor, if the voltmeter resistance is 143000 ohms? Not sure where to go with this problem, Its easy...
*November 11, 2012*

**MAT 116**

oh drats non-linear is so much more fun! where x is length and y is width. 2x + 2y = 28 x - 10 = y solve with substitution
*November 11, 2012*

**Its math, cmon answer!!!**

cmon its 2
*November 11, 2012*

**Physics RC**

A 6.44 E+06 ohm resistor and a 1.00 microfarad capacitor are connected in a single loop circuit with a seat of emf of E = 2.00 V. At 6.00 s. after the connection is made, what is the rate at which energy (in joules/second) is being delivered by the seat of emf?
*November 11, 2012*

**Physics**

A 6.44 E+06 ohm resistor and a 1.00 microfarad capacitor are connected in a single loop circuit with a seat of emf of E = 2.00 V. At 6.00 s. after the connection is made, what is the rate at which energy (in joules/second) is being delivered by the seat of emf?
*November 10, 2012*

**physics**

Here's my attempt. V = 324.8 m^3 Total Energy of Students: 395280 J (in 54min) mass = 406kg q=mc(deltaT) q= 395280J c= 840 J/kg C m= 406 kg delta T = 1.16 C Tf = 20.0 C
*November 10, 2012*

**chemistry**

its C your original answer
*November 10, 2012*

**chemistry**

indeed
*November 10, 2012*

**chemistry**

Think a little more.. you have 1.25e23 atoms, and there are 6.02e23 atom in one mole. dividing the first by the second yields 2.08e-1 mol Mg
*November 10, 2012*

**Physics**

ive previously tried this and obtained 3.34e-13 m/s which the computer says is wrong where N = 8.46e28 m^-3 e = 1.6e-19 C and A = 7.07e-8 m^2
*November 10, 2012*

**Physics**

A small but measurable current of 3.20 E-10 A. exists in a copper wire whose diameter is 0.03 cm. Calculate the electron drift speed (in meters/second).
*November 10, 2012*

**chemistry**

you think correctly
*November 10, 2012*

**math**

denominator is the number beneath the line of a fraction. e.g. x/4 we know that 1/4 wont work, neither will 2/4 (1/2) nor 4/4 (1). That leaves us with one option 3/4 3/4 is greater than 1/2 but less than 1 and has a 4 in the denominator Hope that helps!
*November 10, 2012*

**chemistry**

you have the correct answer and are looking for an explanation? there are three nitrates of formula NO3. since there are 3 oxygen atoms per nitrate, and 3 nitrates total. 3x3 = 9 oxygen atoms per nitroglycerin
*November 10, 2012*

**biology**

d = m/v v = 5.18^3 m = 197g d = 197/(5.18^3) answer is in g/cm^3
*November 10, 2012*

**nuclear chemistry**

E=mc^2 10^6 J/s are being produced (1Mw) 10^6 J/s = m (3.0e8 m/s) solve for mass to find amount of mass lost in one second. ~ .0033kg
*November 10, 2012*

**Physics deflection ammeter**

thank you bob!
*November 10, 2012*

**Physics deflection ammeter**

8. A galvanometer has a coil resistance of 100 ohms and gives a full scale deflection when the potential difference across it is 0.0002 V. What size resistor (with a value measured in ohms) is required to make a 1.0 A. full scale deflection ammeter?
*November 10, 2012*

**Capacitor**

A parallel plate capacitor with plates of area 320 cm.^2 is charged to a potential difference V and is then disconnected from the voltage source. When the plates are moved 0.3 cm. farther apart, the voltage between the plates is increased by 152 V. What is the charge on the ...
*November 4, 2012*

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