Tuesday

September 1, 2015
Total # Posts: 473

**college algebra**

A musician is planning to market a CD. The fixed costs are $1260 and the variable costs are $5 per CD. The wholesale price of the CD will be $11. For the artist to make a profit, revenues must be greater than costs. How many CDs, x, must be sold for the musician to break even?
*July 26, 2011*

**college algebra**

find a general term for the sequence a1,a2,a3,a4..... 15,23,31,39
*July 26, 2011*

**college algebra**

(x^2/3)^7/2 simplify and express answer using positive exponents only
*July 26, 2011*

**college algebra**

solve x^2e^x+9x^ex=0
*July 25, 2011*

**college algebra**

e^-3-1x+22=0
*July 25, 2011*

**college algebra**

find all vertical and horizontal asymptoles f(x)=4x/x^+1
*July 25, 2011*

**college algebra**

the population of a certain geographic region is approximately 105 million and grows continuously at a relative growth rate of 1.53%. what will the population be in 5 years?
*July 25, 2011*

**college algebra**

how long would it take $3,100 to grow to $8,800 if the annual rate is 3.5% and interest is compounded monthly? please help
*July 25, 2011*

**Pre Cal**

the function y= tan (x/3) has an x intercept at?
*July 24, 2011*

**persuasive essay **

An easy way to answere this is to go on word prosser then go to tools and get on spelling and grammer it works great. ash
*June 17, 2011*

**algebra1**

(2x^2+3x-15) divided by (x-3)
*June 7, 2011*

**math**

a class consists of 14 men and 16 women. A group of 5 is randomly chosen a) the probability of this group containing at least 2 women and at least 2 men? b) probability the group contains the same gender.
*June 5, 2011*

**College Mathmatics**

Fill in the blank with the correct symbol to make the resulting inequality true. 4 4/3____ 4 1/2 A-> B-< C-< (with a line under it) D-> (with a line under it)
*May 10, 2011*

**College Mathmatics**

Thank u so much, this is the 1st lesson in this class, and my 1st math lesson in college period, and im 26, so im a little out of the loop and extremely confused when it comes to math. Thank u so much. Would u mind explaining it to me pls?!
*May 10, 2011*

**College Mathmatics**

Multiply; then reduce to lowest terms: 5 1/2 . 3/4
*May 10, 2011*

**differential calculus**

use the product rule to find the derivatives of the given function y=(3x^2-8)^2
*April 30, 2011*

**business**

CheckPoint: Calculating Fixed Costs, Variable Costs, and Break-Even Point for a Program • Calculate the fixed cost, variable costs, and break-even point for the program suggested in Appendix D. • Base your calculations on the financial data for 2002. Appendix D. XYZ...
*April 22, 2011*

**accounting**

anyone please??
*April 10, 2011*

**accounting**

A company purchased $4,000 worth of merchandise. Transportation costs were an additional $350. The company later returned $250 worth of merchandise and paid the invoice within the 2% cash discount period. What is the total amount paid for this merchandise is?
*April 10, 2011*

**math(rate of change)**

how did it become 48?
*April 9, 2011*

**math(rate of change)**

nope im not :( and my teacher doesn't explain well...thank you! i've been trying to figure out how to come up with the asnwer but gosh i couldnt thank you again!
*April 9, 2011*

**math(rate of change)**

find the average rate of change f(x)=x^2 + 2x between x=0 and x=6 can anyone please help me explain why the answer is 8? thank you!
*April 9, 2011*

**linear programming app**

solve this linear programming problem; A chain saw requires 4 hours of assembly and a wood chipper 6 hours. A maximum of 48 hours of assembly time is available. The profit is $150 on a chain saw and $220 on a chipper. How many of each should be assembled for maximum profit?? ...
*April 6, 2011*

**physics**

0.26
*April 6, 2011*

**math**

solve this linear programming problem; A chain saw requires 4 hours of assembly and a wood chipper 6 hours. A maximum of 48 hours of assembly time is available. The profit is $150 on a chain saw and $220 on a chipper. How many of each should be assembled for maximum profit?? ...
*April 5, 2011*

** math**

1.632
*April 5, 2011*

**accounting**

Santa Fe Company purchased merchandise for resale from Mesa COmpany with an invoice price of $24,000 and credit terms of 3/10,n/60. The merchandise had cost Mesa $16,000. Santa Fe paid within the discount period. Prepare entries that Santa Fe Company should record for the ...
*April 4, 2011*

**linear programming app**

write the constraints as linear inequalities and identify all variables used. A canoe requires 8 hours of fabrication and a rowboat 5 hours. The fabrication department has at most 110 hours of labor available each week
*April 3, 2011*

**math i need help plz!**

A store sells televisions for $360 and video cassette recorders for $270. at the beginning of the week its entire stock is worth $45,990. During the week it sells three quarters of the televisions and one third of the video cassette recorders for a total of $27,630. How many ...
*March 29, 2011*

**math could anyone help me plz?:[**

wow! sure is. thanks so much sir! :]
*March 28, 2011*

**math could anyone help me plz?:[**

you have a $5841 credit card debt, and you plan to pay it off through monthly payments of $71. if you are being charged 14% interest per year, how long will it take you to repay your debt?
*March 28, 2011*

**math**

you have a $5841 credit card debt, and you plan to pay it off through monthly payments of $71. if you are being charged 14% interest per year, how long will it take you to repay your debt?
*March 28, 2011*

**math**

you have a $5841 credit card debt, and you plan to pay it off through monthly payments of $71. if you are being charged 14% interest per year, how long will it take you to repay your debt?
*March 27, 2011*

**math**

at the end of every 3 months, Rita deposits $100 into an account that pays 5% compounded quarterly. After 5 yrs, she puts the accumulated amount into a certificate of deposit paying 8.5% compounded semiannually for 1 yr. when this certificate matures, how much will Teresa have...
*March 27, 2011*

**algebra**

are you asking for the slope and y-intercept to graph slope= -3/5 and y-int=3
*March 27, 2011*

**math**

A system of equations can result in 3 possibilities: consistent, inconsistent, and dependent. Discuss each of these types of solution that can be generated, and describe the graph of each possibility.
*March 13, 2011*

**math**

If tow sides of a triangular flag are content, which of the following words can not be used describe the shape of the flag? a. Obtuse b. Acute c. Scalene d. Equilateral
*March 7, 2011*

**Math**

1/46656 How to figure this out? Go to: google Type in: Rolling 6 dice, what is the probability of rolling six of a kind? click on the first link which should be: What are the odds of rolling 6 of a kind on a six sided die...
*March 4, 2011*

**Physics**

A = v^2/r A = (1.70*10^4)^2/(5.30*10^6) A = 54.53 A = G(m/r^2) m = A*r^2/G G = 6.67*10^-11 m = 54.53*(5.30*10^6)^2/6.67*10^-11 m = 2.30*10^25 ------------------------------------ A = G(m/r^2) A = 6.67*10^-11(2.30*10^25/(8.70*10^6)^2) A = 20.27 A = v^2/r (A*r)^(1/2) = v v = ...
*March 4, 2011*

**Physics**

Newton's law of universal gravitation: where force equals the universal constant of gravity multiplied by mass of the earth and mass of an object divided by the raduis squared F = G((m1*m2)/(r^2)) Force equals the mass of an object multiplied by the acceleration or 'g...
*February 24, 2011*

**world history**

what was the first hr on the titanic atmoshere like
*February 23, 2011*

**Physics**

A 37 kg child roller skates, initially at rest, rolls 2.0 m down an incline at an angle of 17 degrees with the horizontal. If there's no friction, what is the kinetic energy of the child at the bottom of the incline?
*February 3, 2011*

**Physics**

A 37 kg child roller skates, initially at rest, rolls 2.0 m down an incline at an angle of 17 degrees with the horizontal. If there's no friction, what is the kinetic energy of the child at the bottom of the incline?
*February 3, 2011*

**Physics**

What is the average power output of a weightlifter who can lift 260 kg to a height of 1.9 m in 1.8 seconds?
*February 3, 2011*

**Physics**

A 37 kg child roller skates, initially at rest, rolls 2.0 m down an incline at an angle of 17 degrees with the horizontal. If there's no friction, what is the kinetic energy of the child at the bottom of the incline?
*February 3, 2011*

**algrebra 1**

The difference of 5 times a number is 27. Which equation below can be used to mind the unknown number?
*February 3, 2011*

**Math**

A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.
*February 2, 2011*

**math**

A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.
*February 2, 2011*

**Math- Please Help!!**

A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.
*February 2, 2011*

**Math**

A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.
*February 2, 2011*

**Math**

A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.
*February 1, 2011*

**College Chem PLEASE HELP**

A 3.50 liter ballooncontains air at 65% relative humidity at 22 degrees C at 1.0 atm pressure. A small peice of Na metal is introduced to the balloon to remove all of the water vapor. What would the new volume be for the dry air in the balloon?
*January 31, 2011*

**chemistry**

e. copper ions, nitrate ions, and water. a and b are eliminated because copper and nitrate turn out to be aqueous due to solubility rules. that leaves you with b, c, and e. with these types of problems, you'll never end up with electrons as the answer, it'll only ask ...
*January 28, 2011*

**statistics**

what is average for the following numbers 65 49 24 15
*January 26, 2011*

**English**

What is the theme of "Abalone, Abalone, Abalone" by Toshio Mori?
*January 23, 2011*

**trig**

It is false. The smaller angle can have a greater value.
*January 20, 2011*

**physics**

Thanks!I get it now. I had gotten the normal force, but I wasnt sure how to get the force of friction, but this helps.
*January 20, 2011*

**physics**

A couch with a mass of 100 kg is placed on an adjustable ramp attached to a truck. As one end raises, the couch begins to move downward. If it sldes with an acceleration of .79 m/s^2 at 12 degrees, what is the coefficient of kinetic friction. I still am having troubles with ...
*January 20, 2011*

**Physics**

Ok, thats what I got but I wasnt sure if it was correct. Thanks so much!
*January 20, 2011*

**Physics**

Someone attaches a 27 kg bale of hay to one end of a rope passing over a frictionless pulley connected to a beam in a hay barn. Someone else pull down on the opposite en of the rope with a force of 397 N. Ignoring the mass of the rope, what will be the magnitude and directionf...
*January 20, 2011*

**Physics**

I dont think I did it correctly. I got a very very small number.
*January 20, 2011*

**Physics**

A coach with a mass of 100 kg is placed on an adjustable ramp attached to a truck. As one end raises, the couch begins to move downward. If it sldes with an acceleration of .79 m/s^2 at 12 degrees, what is the coefficient of kinetic friction. I think I found the normal force, ...
*January 20, 2011*

**english**

this is not unethical. There is no ethical boundary, per se, for advising another co-worker of their work practices. An ethical issue may arise however if I shared that information with that co-worker and I wasn’t supposed to know /share (ie. a supervisor told me in ...
*January 19, 2011*

**english**

Is it ethical telling an associate and close friend that she should pay more attention to her work responsibilities, or management will fire her please explain why?
*January 19, 2011*

**Math**

solve log(b4)x-log(b4)2=2 (b4)=base 4
*January 10, 2011*

**Pre-Calc**

Solve the equation. (tan^2)3x=3
*December 29, 2010*

**trigonometry**

solve: 2cosx-1=0
*December 15, 2010*

**maths**

find the area of a square ABCD 16 square meter.find the area of the area joining mid points of the side
*December 12, 2010*

**Math**

A bolt weights about 2/5 ounce. True or false The expresion 48 divided by 2/5 could be used to find the number of bolts in a 3 pound box
*December 2, 2010*

**Math**

A bolt weights about 2/5 ounce. True or false The expression 48 divided by 2/5 could be used to find the number of bolts in a 3-pound box
*December 2, 2010*

**Chemistry**

When determining boiling points, why would you need to repeat your experiment if your sample completely vaporized before you were able to obtain a constant temperature?
*December 1, 2010*

**Chemistry**

When determining boiling points, why would you need to repeat your experiment if your sample completely vaporized before you were able to obtain a constant temperature?
*December 1, 2010*

**Chemistry**

you were asked to determine the melting point of an unknown compound in order to identify at as one of the compounds you had previously examined. What else could you have done to make sure that your unknown was indeed the compound you believed it to be, and not just a compound...
*December 1, 2010*

**Chemistry**

In the determination of melting points, why cant you use water instead of mineral oil?
*December 1, 2010*

**Chemistry**

How will the boiling point of a substance be affected by increasing the atmospheric pressure? How will the boiling point of a substance be affected by decreasing the atmospheric pressure?
*December 1, 2010*

**Math**

actually i have a question is that 1 big problem or 4 different ones???
*November 30, 2010*

**art**

a positive bias
*November 24, 2010*

**Statistics**

hi i need help calculating the standard error using the central limit theorem. *a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11, there are 5x5=25 samples of the two scores (n=2)* i already calculated the standard deviation and mean. for the question my ...
*November 21, 2010*

**math**

hi i need help calculating the standard error using the central limit theorem. *a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11, there are 5x5=25 samples of the two scores (n=2)* i already calculated the standard deviation and mean. for the question my ...
*November 21, 2010*

**statistics**

hi, how would i calculate the standard deviation of the following sampling distribution of means. apparently this is the longhanded way of calculating standard error. *a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11 (2, 2) ... 2 (2, 3) ... 2.5 (2, 6) ... 4 (...
*November 21, 2010*

**statistics**

what is meant by the standard error of a statistic? what is it an index of? what is meant by the standard error of the mean? what it is an index of?
*November 21, 2010*

**statistics**

what is sampling distribution and sampling distribution of means?
*November 21, 2010*

**statistics**

what is random sampling and why is it important to statistical inference with reference to representativeness and error?
*November 21, 2010*

**Math**

i have a question regarding statistics. i just don't know how to do it and would really appreciate if someone could tell how i can solve it. the question is; a) compute the mean and the standard deviation of the population? ive looked through all my notes and my textbook ...
*November 21, 2010*

**statistics**

i have a question regarding statistics. i just don't know how to do it and would really appreciate if someone could tell how i can solve it. the question is; a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11 a) there are 5x5=25 different samples of two ...
*November 20, 2010*

**Chemistry**

If the pH of grapefruit is 3 and the pH of beer is 5, how many times more acidic is the grapefruit juice than the beer? According to the logarithmic scale
*November 10, 2010*

**Chemistry 110**

What anhydrous salt has a molecular mass of 258g/mol? I believe the results from my experiment were incorrect and i can not figure out the general formula for the hydrated salt with a molecular mass of 258g/mol. please help
*November 9, 2010*

**Chemistry**

What anhydrous salt has a molecular mass of 258g/mol? I believe the results from my experiment were incorrect and i can not figure out the general formula for the hydrated salt with a molecular mass of 258g/mol. please help
*November 9, 2010*

**accounting**

The gross pay is $3000 don't know the net pay
*November 9, 2010*

**math**

You would dothe commission divided by the percentage of the commission, so 6.48/.054
*November 8, 2010*

**accounting**

Earnings at regular rate (40hrs x $40) = $1600 Earnings at overtime rate 20hrs x $40 x 1.75 = 1400 1400+1600 = 3000
*November 5, 2010*

**chemistry**

A student performing the water of hydration experiment cant seem to get his hydrate to constant weight. Several times he heats the compound, allows it t cool, and weighs it. But each time he does, he obtains a different mass. can you suggest some possible causes for this dilemma?
*November 3, 2010*

**Chemistry**

A commercial for a well known cleaning powder says that it "shakes out white, then turns blue" what type of reaction os occuring? what compound can one use to produce this effect?
*November 3, 2010*

**Chemistry**

How is water of hydration related to measurement and how it is related to the law of definite composition?
*November 3, 2010*

**Chemistry**

calculate the empirical formula. A chemist heats 50.00g of sulfur under controlled conditions to produce a sulfer-oxygen compund.The mass of the sulfur-oxygen compound is 100.00g. What is the empirical formula of the sulfur-oxygen?
*October 20, 2010*

**Chemistry**

If you use a different mass of magensium metal in an experiment would the empirical formula of the compund be the same?
*October 20, 2010*

**college**

Defendant A was suspected of selling stolen property from his dorm room. An undercover campus police officer knocked on Defendant A’s door. And when answer, asked for an affordable radar detector. In response, defendant A said that he just got two new ones last night. ...
*October 11, 2010*

**crim j**

Should this evidence be excluded? What court case(s) justify your decision?
*October 11, 2010*

**crim j**

Defendant A was suspected of selling stolen property from his dorm room. An undercover campus police officer knocked on Defendant A’s door. And when answer, asked for an affordable radar detector. In response, defendant A said that he just got two new ones last night. ...
*October 11, 2010*

**Physics**

No..so is it 363+699+363 / 240s + 660s ?
*October 5, 2010*