Wednesday

August 27, 2014

August 27, 2014

Total # Posts: 699

**math test review**

12x25= 300. 12x20=240. You have 60 extra sheets if they were to all have 12. 20 can go into 60 3 times. So each student can have 15 sheets.
*August 13, 2014*

**math test review**

Well, in 1 hour, there are 2 eliminations . 1/4 of 400=100. 400-100=300. 1/4 of 300= 75. 300-75= 225. Hope this helps!
*August 13, 2014*

**Math**

Oh ok! Thank you! :-)
*August 13, 2014*

**Calculus: Determine the constants from function**

The function h(x) = x^3 + bx^2 + d has a critical point at (2, -4). Determine the constants b and d and find the equation of h(x). IM SO CONFUSED :(
*July 25, 2014*

**CURVE SKETCHING PLEASE HELP **

Okay so my teacher has been away and hasent explained anything to us and we have to find the intercepts, critical points, intervals of increase and decrease, points of inflection, intervals of concavity, local maximum or minimum points for each of the following functions Can ...
*July 24, 2014*

**calculus**

Please help!! Okay so my teacher has been away and hasent explained anything to us and we have to find the intercepts, critical points, intervals of increase and decrease, points of inflection, intervals of concavity, local maximum or minimum points for each of the following ...
*July 24, 2014*

**algebra**

Find the product (2x)(10x) Answers: 20x 12x 20x^2 5x
*June 6, 2014*

**algebra**

is it 25
*June 5, 2014*

**algebra**

Given the function rule f(x) = x^2 - 5x + 1, what is the output of f(-3)? Answers -5 25 7 5
*June 5, 2014*

**math**

THANK YOU MISS SUE :)
*June 5, 2014*

**math**

So 52.5?
*June 5, 2014*

**math**

A trapezoid has a height of 7 inches and bases of 11 inches and 4 inches. What is the area of the trapezoid? When finding the area of a trapezoid, does it matter which base is b1 and wich base is b2? explain
*June 5, 2014*

**math**

THANK YOU :)
*May 22, 2014*

**math**

negative 10+8= negative 2 not sure? 9- negative 9= 18?????
*May 22, 2014*

**math**

evaluate the expression when x is equal to 5. x-4 I think it is 5-4=1 but not sure?
*May 22, 2014*

**Stats Psychology **

ApopulationofN=10scoreshasameanof μ = 6. After one score is removed, the mean is found to be M = 5. What is the value of the score that was removed?
*May 19, 2014*

**science question**

hey matt are you in connections academy?
*May 15, 2014*

**Math**

mollly uses 192 beads to make a necklace and a bracelet. it takes 5 times as many beads to make a necklace than it does to make a bracelet. How many beads are used to make the necklace?
*May 13, 2014*

**Economics (36)**

For borrowers with good credit scores, the mean debt for revolving and installment accounts is $15,015 (BusinessWeek, March 20, 2006). Assume the standard deviation is $3,730 and that debt amounts are normally distributed. a. What is the probability that the debt for a ...
*May 11, 2014*

**Economics (42)**

Thanks for all your help, I really appreciate all the time you took to help me out. And thanks for showing me step by step.
*May 11, 2014*

**Economics (42)**

Consumption of alcoholic beverages by young women of drinking age has been increasing in the United Kingdom, the United States, and Europe (The Wall Street Journal, February 15, 2006). Data (annual consumption in liters) consistent with the findings reported in The Wall Street...
*May 11, 2014*

**Economics (45)**

The 2003 Statistical Abstract of the United States reported the percentage of people 18 years of age and older who smoke. Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of .30. a. How large a ...
*May 9, 2014*

**Economics (42)**

Consumption of alcoholic beverages by young women of drinking age has been increasing in the United Kingdom, the United States, and Europe (The Wall Street Journal, February 15, 2006). Data (annual consumption in liters) consistent with the findings reported in The Wall Street...
*May 9, 2014*

**Economics (41)**

Can you help me please? thanks
*May 9, 2014*

**Economics (41)**

A simple random sample of 60 items resulted in a sample mean of 96. The population standard deviation is 16. a. Compute the 95% confidence interval for the population mean (to 1 decimal). ( , ) b. Assume that the same sample mean was obtained from a sample of 120 items. ...
*May 9, 2014*

**Economics (40)**

A market research firm conducts telephone surveys with a 42% historical response rate. What is the probability that in a new sample of 400 telephone numbers, at least 150 individuals will cooperate and respond to the questions? In other words, what is the probability that the ...
*May 9, 2014*

**Economics (39)**

Suppose a random sample of size 40 is selected from a population with = 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to 2 decimals). b. The ...
*May 9, 2014*

**Economics (37)**

According to the Sleep Foundation, the average night's sleep is 6.8 hours (Fortune, March 20, 2006). Assume the standard deviation is .7 hours and that the probability distribution is normal. a. What is the probability that a randomly selected person sleeps more than 8 ...
*May 9, 2014*

**Economics (36)**

For borrowers with good credit scores, the mean debt for revolving and installment accounts is $15,015 (BusinessWeek, March 20, 2006). Assume the standard deviation is $3,730 and that debt amounts are normally distributed. a. What is the probability that the debt for a ...
*May 9, 2014*

**Statistics (46)**

The 2003 Statistical Abstract of the United States reported the percentage of people 18 years of age and older who smoke. Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of .30. a. How large a ...
*May 6, 2014*

**Statistics (45)**

In developing patient appointment schedules, a medical center wants to estimate the mean time that a staff member spends with each patient. How large a sample should be taken if the desired margin of error is two minutes at a 95% level of confidence? How large a sample should ...
*May 6, 2014*

**Statistics (44)**

The travel-to-work time for residents of the 15 largest cities in the United States is reported in the 2003 Information Please Almanac. Suppose that a preliminary simple random sample of residents of San Francisco is used to develop a planning value of 6.35 minutes for the ...
*May 6, 2014*

**Statistics (43)**

Consumption of alcoholic beverages by young women of drinking age has been increasing in the United Kingdom, the United States, and Europe (The Wall Street Journal, February 15, 2006). Data (annual consumption in liters) consistent with the findings reported in The Wall Street...
*May 6, 2014*

**Statistics (42)**

A simple random sample of 60 items resulted in a sample mean of 96. The population standard deviation is 16. a. Compute the 95% confidence interval for the population mean (to 1 decimal). ( , ) b. Assume that the same sample mean was obtained from a sample of 120 items. ...
*May 6, 2014*

**Statistics (41)**

A market research firm conducts telephone surveys with a 42% historical response rate. What is the probability that in a new sample of 400 telephone numbers, at least 150 individuals will cooperate and respond to the questions? In other words, what is the probability that the ...
*May 6, 2014*

**Statistics (39)**

Suppose a random sample of size 40 is selected from a population with = 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to 2 decimals). b. The ...
*May 6, 2014*

**Statistics (38)**

Many drugs used to treat cancer are expensive. BusinessWeek reported on the cost per treatment of Herceptin, a drug used to treat breast cancer (BusinessWeek, January 30, 2006). Typical treatment costs (in dollars) for Herceptin are provided by a simple random sample of 10 ...
*May 6, 2014*

**Statistics (37)**

According to the Sleep Foundation, the average night's sleep is 6.8 hours (Fortune, March 20, 2006). Assume the standard deviation is .7 hours and that the probability distribution is normal. a. What is the probability that a randomly selected person sleeps more than 8 ...
*May 6, 2014*

**Statistics (36)**

For borrowers with good credit scores, the mean debt for revolving and installment accounts is $15,015 (BusinessWeek, March 20, 2006). Assume the standard deviation is $3,730 and that debt amounts are normally distributed. a. What is the probability that the debt for a ...
*May 6, 2014*

**Accounting**

Use the following information to answer questions 8-10. The Boxcar Corporation has paid a total of $1 million in cash bonuses to its officers for 8 consecutive years. The board’s policy requires that, for this bonus to be paid, net cash provided by operating activities ...
*May 6, 2014*

**Accounting**

Use the following information to answer questions 5-7. Blue Bird Bus Company is suffering declining sales of its principal product, school buses. The bank has threatened to call due a note if the company’s net income declines next year. The president, Joe Blow, talks to ...
*May 6, 2014*

**Accounting**

The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually high. The corporate tax rate is also high this year but it is scheduled to decline significantly next year. In light of this information, the ...
*May 6, 2014*

**Accounting**

NOTE: I NEED HELP WITH THESE 10 QUESTIONS,IT IS AN EMERGENCY PLEASE! Use the following information to answer questions 1-4. The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually high. The corporate ...
*May 5, 2014*

**Accounting; Emergency**

NOTE: I NEED HELP WITH THESE 10 QUESTIONS,IT IS AN EMERGENCY PLEASE! Use the following information to answer questions 1-4. The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually high. The corporate ...
*May 5, 2014*

**Accounting**

WOW! yes it is extra credit, you have class with Filzen?
*May 4, 2014*

**Accounting**

NOTE: I NEED HELP WITH THESE 10 QUESTIONS,IT IS AN EMERGENCY PLEASE! Use the following information to answer questions 1-4. The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually high. The corporate ...
*May 4, 2014*

**Accounting Questions**

NOTE: I NEED HELP WITH THESE 10 QUESTIONS,IT IS AN EMERGENCY PLEASE! Use the following information to answer questions 1-4. The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually high. The corporate ...
*May 3, 2014*

**economics (7)**

Thanks for the help, but I got the right answers. Thanks anyway.
*May 3, 2014*

**economics (7)**

Assume that a $1,000 bond issued in 2012 pays $100 in interest each year. What is the current yield on the bond if it can be purchased for Instructions: Enter your responses as a percent rounded to one decimal place. (a) $1,200? Yield on $1,200 bond is = ?% (b) $1,000? Yield ...
*May 3, 2014*

**economics (7)**

Assume that a $1,000 bond issued in 2012 pays $100 in interest each year. What is the current yield on the bond if it can be purchased for Instructions: Enter your responses as a percent rounded to one decimal place. (a) $1,200? Yield on $1,200 bond is = ?% (b) $1,000? Yield ...
*May 1, 2014*

**economics (4)**

Assume that the following data describe the condition of the banking system: Total reserves $200 billion Transactions deposits $800 billion Cash held by public $400 billion Reserve requirement 0.20 By how much could the banks increase their lending activity? $ billion = ?
*May 1, 2014*

**math (5)**

The monthly profit (in dollars) of Bond and Barker Department Store depends on the level of inventory x (in thousands of dollars) and the floor space y (in thousands of square feet) available for display of the merchandise, as given by the equation below. P(x, y) = -0.016x^2...
*May 1, 2014*

**Math (6)**

The formula below gives the surface area S of a human body (in square meters) in terms of its weight W (in kilograms) and its height H (in centimeters). S = 0.007184(W^0.425)(H^0.725) Compute SW and SH when W = 100 kg and H = 180 cm. SW = ? SH = ? NOTE: I took the derivative ...
*May 1, 2014*

**Economics (7)**

Assume that a $1,000 bond issued in 2012 pays $100 in interest each year. What is the current yield on the bond if it can be purchased for Instructions: Enter your responses as a percent rounded to one decimal place. (a) $1,200? Yield on $1,200 bond is = ?% (b) $1,000? Yield ...
*May 1, 2014*

**Economics (4)**

Assume that the following data describe the condition of the banking system: Total reserves $200 billion Transactions deposits $800 billion Cash held by public $400 billion Reserve requirement 0.20 By how much could the banks increase their lending activity? $ billion = ?
*May 1, 2014*

**Math (6)**

The formula below gives the surface area S of a human body (in square meters) in terms of its weight W (in kilograms) and its height H (in centimeters). S = 0.007184(W^0.425)(H^0.725) Compute SW and SH when W = 100 kg and H = 180 cm. SW = ? SH = ?
*May 1, 2014*

**math (5)**

The monthly profit (in dollars) of Bond and Barker Department Store depends on the level of inventory x (in thousands of dollars) and the floor space y (in thousands of square feet) available for display of the merchandise, as given by the equation below. P(x, y) = -0.016x^2...
*May 1, 2014*

**math (2)**

Find the first partial derivatives of the function. f(x,y,z) = xe^(y/z) a. fx = ? b. fy = ? c. fz = ?
*May 1, 2014*

**economics (7)**

Assume that a $1,000 bond issued in 2012 pays $100 in interest each year. What is the current yield on the bond if it can be purchased for Instructions: Enter your responses as a percent rounded to one decimal place. (a) $1,200? Yield on $1,200 bond is = ?% (b) $1,000? Yield ...
*April 30, 2014*

**economics (4)**

Assume that the following data describe the condition of the banking system: Total reserves $200 billion Transactions deposits $800 billion Cash held by public $400 billion Reserve requirement 0.20 By how much could the banks increase their lending activity? $ billion = ?
*April 30, 2014*

**math (8)**

Find the second-order partial derivatives of the function. f(x,y) = x^5 + x^2y^2 + y^4 + x + y a. fxx = ? b. fyy = ? c. fxy = ? d. fyx = ?
*April 30, 2014*

**math (7)**

Find the second-order partial derivatives of the function. f(x,y) = x^5 + x^2y + x + 5 a. fxx = ? b. fyy = ? c. fxy = ? d. fyx = ?
*April 30, 2014*

**Math (6)**

The formula below gives the surface area S of a human body (in square meters) in terms of its weight W (in kilograms) and its height H (in centimeters). S = 0.007184(W^0.425)(H^0.725) Compute SW and SH when W = 100 kg and H = 180 cm. SW = ? SH = ?
*April 30, 2014*

**math (5)**

The monthly profit (in dollars) of Bond and Barker Department Store depends on the level of inventory x (in thousands of dollars) and the floor space y (in thousands of square feet) available for display of the merchandise, as given by the equation below. P(x, y) = -0.016x^2...
*April 30, 2014*

**math (3)**

Evaluate the first partial derivatives of the function at the given point.(0,e) f(x,y) = 6e^x ln(y) fx(0,e) = ? fy(0,e) = ?
*April 30, 2014*

**math (2)**

Find the first partial derivatives of the function. f(x,y,z) = xe^(y/z) a. fx = ? b. fy = ? c. fz = ?
*April 30, 2014*

**Math**

lee wants to cut this piece of canvas into two rectangles that are 3 times 2 and 3 times 5 he wants the sum of the areas of the two small rectangles to be the same as the area of the large rectangle can he do this explain
*April 30, 2014*

***math (7)**

Evaluate the first partial derivatives of the function at the given point. f(x, y) = x^2 + xy + y^2 + 2x - y ; at (-5, 4) fx(-5, 4) = ? fy(-5, 4) = ?
*April 29, 2014*

**math (4)**

Country Workshop manufactures both finished and unfinished furniture for the home. The estimated quantities demanded each week of its rolltop desks in the finished and unfinished versions are x and y units when the corresponding unit prices, in dollars, are described, ...
*April 29, 2014*

**math (5)**

Country Workshop manufactures both finished and unfinished furniture for the home. The estimated quantities demanded each week of its rolltop desks in the finished and unfinished versions are x and y units when the corresponding unit prices, in dollars, are described, ...
*April 29, 2014*

**math (3)**

Find the domain of the function. Write your answer in interval notation. (If you need to enter ∞ or -∞, type INFINITY or -INFINITY.) f(s,t)= sqrt(s^2+t^2) s = ? t = ?
*April 29, 2014*

**Math **

Find the domain of the function. Write your answer in interval notation. (If you need to enter ∞ or -∞, type INFINITY or -INFINITY.) h(u,v) = sqrt(4-u^2-v^2) u^2+v^2 = ?
*April 29, 2014*

**Math (6)**

Country Workshop manufactures both finished and unfinished furniture for the home. The estimated quantities demanded each week of its rolltop desks in the finished and unfinished versions are x and y units when the corresponding unit prices, in dollars, are described, ...
*April 28, 2014*

**math (5)**

Country Workshop manufactures both finished and unfinished furniture for the home. The estimated quantities demanded each week of its rolltop desks in the finished and unfinished versions are x and y units when the corresponding unit prices, in dollars, are described, ...
*April 28, 2014*

**math (4)**

Find the domain of the function. Write your answer in interval notation. (If you need to enter ∞ or -∞, type INFINITY or -INFINITY.) h(u,v) = sqrt(4-u^2-v^2) u^2+v^2 = ?
*April 28, 2014*

**math (3)**

Find the domain of the function. Write your answer in interval notation. (If you need to enter ∞ or -∞, type INFINITY or -INFINITY.) f(s,t)= sqrt(s^2+t^2) s = ? t = ?
*April 28, 2014*

**math (2)**

Compute the following values for the given function. f(x, y) = 5xye^(x^2+y^2) a. f(0,0)= ? b. f(0,1)= ? c. f(1,1)= ? d. f(-1,-1)= ?
*April 28, 2014*

**math (1)**

ok thanks it is pretty easy.
*April 28, 2014*

**math (1)**

Compute the following values for the given function. h(x,y)=(2x+8y)/(x-y) a. h(0,1)= ? b. h(-1,1)= ? c. h(2,1)= ? d. h(pi,-pi)= ?
*April 28, 2014*

**math (2)**

Find the area of the shaded region y= 2x/(x^2+4) from x= -2 and x= 2 Note: People have been telling me that the two lines do not intersect but they do there has to be an answer. please help me. Thanks
*April 27, 2014*

**Math emergency I have 10 minutes to submit it.**

A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = sqrt(81 + 1.6x) dollars. Determine the producers' surplus if the market price is set at $11/unit. (Round your answer to two decimal places.)
*April 27, 2014*

**Math emergency I have 10 minutes to submit it.**

The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.1x + 14 where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. Determine the consumers' surplus if the market price is ...
*April 27, 2014*

**Math emergency I have 10 minutes to submit it.**

Find the area of the shaded region. y= x-2 y= sqrt(x)
*April 27, 2014*

**Math emergency I have 10 minutes to submit it.**

Find the area of the shaded region. y= 0 y= x^4-2x^3
*April 27, 2014*

**statistics (7)**

The average cost per night of a hotel room in New York City is $273 (SmartMoney, March 2009). Assume this estimate is based on a sample of 45 hotels and that the sample standard deviation is $65. a. With 95% confidence, what is the margin of error (to 2 decimals)? b. What is ...
*April 26, 2014*

**Math (6)**

Find the area of the following two curves. y= sqrt(x) y= x-2 Note: People have been telling me that the two lines do not intersect but they do there has to be an answer. please help me. Thanks
*April 26, 2014*

**math (4)**

Thanks for your help and for the steps. It helped me a lot.
*April 26, 2014*

**math (4)**

Sketch the graph (Do this on paper. Your teacher may ask you to turn in this graph.) and find the area of the region bounded below by the graph of the function and above by the x axis from x = 0 to x = 1. f(x) = -xe^(-x^2) Note: People have been telling me that the two lines ...
*April 26, 2014*

**math (2)**

Yes, I have to find the area between the curve and the x-axis. Thanks for the help.
*April 26, 2014*

**math (2)**

Find the area of the shaded region y= 2x/(x^2+4) from x= -1 and x= 1 Note: People have been telling me that the two lines do not intersect but they do there has to be an answer. please help me. Thanks
*April 26, 2014*

**!math (6)**

The quantity demanded x (in units of a hundred) of the Mikado miniature cameras per week is related to the unit price p (in dollars) by p = −0.2x^2 + 220 and the quantity x (in units of a hundred) that the supplier is willing to make available in the market is related to...
*April 25, 2014*

**!math (5)**

The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation p = 160 − x^2 where p is measured in dollars and x is measured in units of a thousand. Titan will make x ...
*April 25, 2014*

**!math (4)**

The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.2x + 12 where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. The supply function is given by p = 0.01x^2 + 0.5x + 3 where p is the ...
*April 25, 2014*

**!math (3)**

A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = sqrt(324 + 4x) dollars. Determine the producers' surplus if the market price is set at $22/unit. (Round your answer to two decimal places.)
*April 25, 2014*

**!math (2)**

The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.2x + 10 where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. Determine the consumers' surplus if the market price is ...
*April 25, 2014*

**!math (1)**

The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. p = -0.01x^2 - 0.1 x + 47 Determine the ...
*April 25, 2014*

**math (9)**

Find the area of the region enclosed by these graphs and the vertical lines x = 0 and x = 3 f(x)=-x^2+2x+4 g(x)=-x+4
*April 25, 2014*

**math (2)**

Find the area of the shaded region y= 2x/(x^2+4) from x= -1 and x= 1
*April 25, 2014*

**math (4)**

Sketch the graph (Do this on paper. Your teacher may ask you to turn in this graph.) and find the area of the region bounded below by the graph of the function and above by the x axis from x = 0 to x = 1. f(x) = -xe^(-x^2)
*April 25, 2014*

**Math (6)**

Exactly what does that mean? Im a little confused.so what will be the answer? Thanks
*April 25, 2014*

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