Monday

February 27, 2017
Total # Posts: 659

**Algebra 2**

Which matrix equation is equivalent to 3x+2y-5z=20 5x-10y+8z=17 -8+11y-2z=29

*May 19, 2014*

**biology help**

The cells in the retina that detect color and bright light are called _________ cells.

*May 19, 2014*

**biology help**

my first answer on the first question antidiuretic i'm not sure on second answer

*May 19, 2014*

**biology help**

Frequent urination is associated with alcohol consumption because alcohol suppresses the hormone (A)__________. As a result, urine becomes more (B)__________, and the body loses more water than it should.

*May 19, 2014*

**statistics**

At the beginning of the semester, students who registered for a statistics course were randomly assigned to two sections, each taught by a different instructor. At the end of the semester, we would like to test whether there are differences in performance on the final exam ...

*May 1, 2014*

**statistics**

A researcher was interested in assessing the effectiveness of the Statistics Diet as compared to a regular low calorie diet on weight loss. In the study, obese participants were randomly assigned to one of two groups: (1) the Statistics Diet, which required participants to ...

*April 30, 2014*

**statistics**

A fictional study was used to examine the effect of a new antianxiety drug on levels of anxiety. Sixty participants were randomly assigned to one of two groups: 1) new antianxiety pill and 2) placebo pill. One hour after taking the medication or placebo, all of the ...

*April 30, 2014*

**statistics**

A professor is interested in the relationship between the number of hours students study for a quiz and their quiz grades. She asked each student to record the number of hours that he/she studied for the final exam. She also recorded the students’ grades in percentages (...

*April 29, 2014*

**statistics**

A clinical psychologist notices that admission to the psychiatric hospital she works at seem to vary by season. Using a chi-square test, she rejects the null hypothesis that hospital admission is independent of season. What conclusions can she make? a. Hospital admissions are ...

*April 28, 2014*

**statistics**

For which of the following would it be most appropriate to use an ANOVA to analyze the data? A. A researcher is interested in determining the most effective format for advertising. He randomly assigns 60 people to one of three groups: (1) television commercial, (2) radio ...

*April 27, 2014*

**Math**

Drinking 8 fluid ounces of milk provides 270.0 milligrams of calcium. How many fluid ounces of milk provide 72.5 milligrams of calcium? Round to the nearest tenth.

*April 8, 2014*

**Science**

How much copper 2 sulfate do you need to react with 0.5grams of steel wool?

*March 19, 2014*

**math**

The unit rate of 7/12 liters in 3/10 kilometers

*February 20, 2014*

**math**

43+5=8 do u regroup

*January 23, 2014*

**math**

Thank you!!!!

*December 7, 2013*

**math**

A car dealer has 30 cars and trucks. If 2 more cars are delivered, the dealer will have 3 times as many cars as trucks. How many does trucks does the dealer presently have?

*December 7, 2013*

**math**

thanks

*December 4, 2013*

**math**

solve the equation for x using the fact that if a^u =a^v then u=v. 9^-x+15=27x. thanks

*December 4, 2013*

**math**

simpify: 3radical27x^10/5x^3y^5 7radical2x+2radical72x^3-radical162x^5 sorry don't know how to do the radical sign.

*December 4, 2013*

**math**

use the given zero to find the remaining zeros of the fuction...f(x)=x to the 5power-6x4power+7x3power-10x2power zero:1+i

*December 2, 2013*

**math**

find the real zeros of the given functions, use the real zeros to factor f. f(x)=-2x4power+9x3power+2x2power-39x+18

*December 2, 2013*

**Math**

What is the equation for an input of 0,1,2,3,4 and output of 1,4,9,16,25

*October 10, 2013*

**statistics**

Most Americans, 75% in fact, say frequent handwashing is the best way to fend off the flu. Despite that, when using public restrooms, women wash their hands only 67% of the time and men wash only 46% of the time. Of the adults using the public restroom at a large grocery chain...

*September 26, 2013*

**statistics**

0.15%

*September 8, 2013*

**Science**

How does using a scale model make these relationships easier to understand?

*September 4, 2013*

**Math**

56 is ______% of 125.

*August 16, 2013*

**Accounting**

When a not-for-profit facility receives a contribution from a member of the community, the cost of the capital is inconsequential when deciding how to use the contribution, because it is, in effect, free money.” Yes

*August 5, 2013*

**Math**

How should the future value equation be modified if compounding occurs more frequently than annually?

*August 3, 2013*

**Math**

Compare the results of the present value of a $6,000 ordinary annuity at 10 percent interest for ten years with the present value of a $6,000 annuity due at 10 percent interest for eleven years. Explain the difference.

*August 3, 2013*

**Math**

Boulder City Hospital has just been informed that a private donor is willing to contribute $10 million per year at the beginning of each year for fifteen years. What current dollar value of this contribution if the discount rate is 14 percent?

*August 3, 2013*

**Math**

Boulder City Hospital has just been informed that a private donor is willing to contribute $10 million per year at the beginning of each year for fifteen years. What current dollar value of this contribution if the discount rate is 14 percent?

*August 3, 2013*

**Math**

In the future value annuity table at any interest rate for one year, why is the future value interest factor of this annuity equal to 1.00?

*August 3, 2013*

**Math**

Stillwater hospital is borrowing $1,000,000 for its medical office building. The annual interest rate is 5 percent. What will be the equal annual payments on the loan if the length of the loan is four years and payments occurs at the end of each year?

*August 3, 2013*

**Math**

Lincoln Memorial hospital has just been informed that private donor is willing to contribute $5 million per year at the beginning of each year for fifteen years. What is the current dollar value of this contribution if the discount rate is 9 percent?

*August 3, 2013*

**Math**

so how am i suppose to find the semiannually at 12

*August 2, 2013*

**Math**

still lose or 30,000(( 1.06)^12=

*August 2, 2013*

**Math**

If a community clinic invested $3,000 in excess cash today, what would be the value of its investment at the end of three years: a. at a 12 percent rate compounded semiannually? B. at a 12 percent rate compounded quarterly?

*August 2, 2013*

**Math**

If a nurse deposits $2,000 today in a bank account and the interest is compounded annually at 10 percent, what will be the value of this investment: a. five years from now? B. ten years from now? C. fifteen years from now? D. twenty years from now?

*August 2, 2013*

**Math**

The chief financial officer of a home health agency needs to determine the present value of a $10,000 investment received at the end of year 10. What is the present value if the discount rate is: a. 6 percent? b. 9 percent? c. 12 percent? d. 15 percent?

*August 1, 2013*

**Math**

The chief financial officer of a home health agency needs to determine the present value of a $10,000 investment received at the end of year 10. What is the present value if the discount rate is: a. 6 percent? b. 9 percent? c. 12 percent? d. 15 percent?

*August 1, 2013*

**Math**

I need help my homework and when I post I don't get an response what do I have to do for someone look at my homework question. Lincoln Memorial hospital has just been informed that private donor is willing to contribute $5 million per year at the beginning of each year for...

*July 31, 2013*

**Math**

The chief financial officer of a home health agency needs to determine the present value of a $10,000 investment received at the end of year 10. What is the present value if the discount rate is: a. 6 percent? b. 9 percent? c. 12 percent? d. 15 percent?

*July 31, 2013*

**Math**

After completing her residency, an obstetrician plans to invest $12,000 per year at the end of each year in a low-risk retirement account. She expects to earn an average of 6% for 35 years. What will her retirement account be worth at the end of these 35 years?

*July 31, 2013*

**Math**

If business manager deposits $30,000 in a savings account at the end of each year for twenty years what will be the value of her investment: at a compound rate of 12 percent? at a compounded rate of 18 percent? What would the outcome be in both cases if the deposits were made ...

*July 31, 2013*

**Math**

Two Wheeler-Dealer Bike Shop has a 22-inch off-road racer on sale this month for $239.95. If the original price of the bike was $315.10, how much would a customer save by purchasing it on sale?

*July 28, 2013*

**calculus**

Write the form of the partial fraction decomposition of the function do not determine the numerical values of the coefficients. 1/x^4-2401

*July 28, 2013*

**Math**

Ryan Miller wanted to make some money at a flea market. He purchased 55 small orchids from a nursery for a total of $233.75, three bags of potting soil for $2.75 each, and 55 ceramic pots at $4.60 each. After planting the orchids in the pots, Ryan sold each plant for $15.50 at...

*July 24, 2013*

**Math**

Two Wheeler-Dealer Bike Shop has a 22-inch off-road racer on sale this month for $239.95. If the original price of the bike was $315.10, how much would a customer save by purchasing it on sale?

*July 24, 2013*

**Math**

If ⅜ of a 60-pound bag of ready-mix concrete is Portland cement, how many pounds of other materials are in the bag?

*July 24, 2013*

**Math**

Ventura Coal mined 6 ⅔ tons on Monday, 7 ¾ tons on Tuesday, and 4 ½ tons on Wednesday. If the goal is to mine 25 tons this week, how many more tons must be mined?

*July 24, 2013*

**Math**

Thanks so much

*July 24, 2013*

**Math**

Solve the following problem and convert to lowest terms (mixed number). 6 ⅚ – 17/18 (six and five sixths minus seventeen eighteenths)

*July 24, 2013*

**Math**

Thanks so much

*July 24, 2013*

**Math**

Solve the following problem and reduce to lowest terms (mixed number or improper fraction). 2/3 + 1/6 +11/12

*July 24, 2013*

**Math**

Two Wheeler-Dealer Bike Shop has a 22-inch off-road racer on sale this month for $239.95. If the original price of the bike was $315.10, how much would a customer save by purchasing it on sale?

*July 21, 2013*

**Math**

Ryan Miller wanted to make some money at a flea market. He purchased 55 small orchids from a nursery for a total of $233.75, three bags of potting soil for $2.75 each, and 55 ceramic pots at $4.60 each. After planting the orchids in the pots, Ryan sold each plant for $15.50 at...

*July 21, 2013*

**Math**

Ventura Coal mined 6 ⅔ tons on Monday, 7 ¾ tons on Tuesday, and 4 ½ tons on Wednesday. If the goal is to mine 25 tons this week, how many more tons must be mined?

*July 21, 2013*

**Math**

Solve the following problem and convert to lowest terms (mixed number). 6 ⅚ – 17/18 (six and five sixths minus seventeen eighteenths)

*July 21, 2013*

**Math**

Solve the following problem and reduce to lowest terms (mixed number or improper fraction). 2/3 + 1/6 +11/12

*July 21, 2013*

**Math**

Convert 4/5 to higher terms of twenty-fifths.

*July 21, 2013*

**Math**

thanks

*July 21, 2013*

**Math**

Convert 57/9 to a whole or mixed number.

*July 21, 2013*

**Math**

Find the domain of the following functions. 1. y= radical(x-3) - radical(x+3) 2. y= [radical(2x-9)] / 2x+9 3. y= radical(x^2 - 5x -14) 4. y= [cubed root(x-6)] / [radical(x^2 - x - 30)] I'm terrible at finding domains.. so any help with these problems would be appreciated...

*July 12, 2013*

**Math**

Thank you guys! That is what I got. I wasn't expecting the complex roots.. That's why I wanted to check whether or not I was doing it right!

*July 12, 2013*

**Math**

Solve for x. x/(x-2) + (2x)/[4-(x^2)] = 5/(x+2) Please show work!

*July 12, 2013*

**math**

80% of what number is 50?

*July 7, 2013*

**Physics**

If a plane is flying 40 mph with a tailwind of 6 mph, how fast is the plane going.

*June 21, 2013*

**Math**

thanks

*June 20, 2013*

**Math**

2279.68

*June 20, 2013*

**Math**

On May 23, Samantha Best borrowed $40,000 from the Tri City Credit Union at 13% for 160 days. The credit union uses the exact interest method. What was the amount of interest on the loan?

*June 20, 2013*

**Math**

thanks

*June 6, 2013*

**Math**

Kristy Dunaway has biweekly gross earnings of $1,750. What are her total Medicare tax withholdings for a whole year? (

*June 6, 2013*

**Math**

Fandango Furniture Manufacturing, Inc. has 40 employees on the assembly line, each with gross earnings of $325 per week. What are the total combined social security and Medicare taxes that should be withheld from the employees’ paychecks each week?

*June 6, 2013*

**math**

Hello Beth did you ever get any help with this problem

*June 6, 2013*

**math**

491.70

*June 5, 2013*

**Math**

Foremost Fish Market pays a straight commission of 18% on gross sales, divided equally among the three employees working the counter. If Foremost sold $22,350 in seafood last week, how much was each counter employee’s total gross pay from this?

*June 2, 2013*

**help me please**

You are shopping for an executive desk chair at The Furniture Gallery. You see two you like on sale. Chair A was originally $119.99 now on sale for $79.99 and Chair B was originally $149.99 now on sale for $89.99. Calculate the markdown percent of each chair to determine which...

*June 1, 2013*

**Math**

What is the percent markup based on cost for the shirts in the previous question? (Round percent to the nearest tenth.) I got .72% What is the percent markup based on selling price for the Western Wear shirts? (Round percent to the nearest tenth.)

*June 1, 2013*

**Physics**

Which of the following is correct for a step-down transformer?

*May 31, 2013*

**Math**

Jimmy has finished pouring 900 cubic feet out of a total of 4,400 cubic feet of concrete. What percent of the job has she completed?

*May 30, 2013*

**Math**

thanks

*May 30, 2013*

**Math**

Statistics show that the sales force of Golden Wholesalers successfully closed 1,711 sales out of 1,950 sales calls. What was their percent success rate?

*May 30, 2013*

**business math please help me**

An invoice is dated August 29 with terms of 4/15 EOM. What is the discount date? (Points What is the net date for the scenario in the previous question? (Points : 2.5)

*May 30, 2013*

**business math please help me**

Ned’s Sheds purchases building materials from Timbertown Lumber for $3,700 with terms of 4/15, n/30. The invoice is dated October 17. Ned’s decides to send in a $2,000 partial payment. By what date must the partial payment be sent to take advantage of the cash ...

*May 30, 2013*

**math**

@Sharon did you ever find out how to solve this problem.

*May 30, 2013*

**Please Help Math**

1. An invoice is dated August 29 with terms of 4/15 EOM. What is the discount date? 2. What is the net date for the scenario in the previous question?

*May 29, 2013*

**Math**

City Cellular purchased $28,900 in cell phones on April 25. The terms of sale were 4/20, 3/30, n/60. Freight terms were F.O.B. destination. Returned goods amounted to $650. What is the net amount due if City Cellular sends the manufacturer a partial payment of $5,000 on May 20...

*May 26, 2013*

**Math**

What payment should be made on an invoice in the amount of $3,400 dated August 7 if the terms of sale are 3/15, 2/30, n/45 and the bill is paid on August 19? What payment should be made on the invoice from the previous question if it is paid on September 3?

*May 26, 2013*

**Math**

An invoice is dated August 29 with terms of 4/15 EOM. What is the discount date? What is the net date for the scenario in the previous question?

*May 26, 2013*

**Math**

Ned’s Sheds purchases building materials from Timbertown Lumber for $3,700 with terms of 4/15, n/30. The invoice is dated October 17. Ned’s decides to send in a $2,000 partial payment. By what date must the partial payment be sent to take advantage of the cash ...

*May 26, 2013*

**Math**

The Empire Carpet Company orders merchandise for $17,700, including $550 in shipping charges, from Mohawk Carpet Mills on May 4. Carpets valued at $1,390 will be returned because they are damaged. The terms of sale are 2/10, n30 ROG. The shipment arrives on May 26 and Empire ...

*May 26, 2013*

**Math**

Thanks

*May 26, 2013*

**Math**

thanks mathamte. is there anyway we could have the same person for the whole math tutor. because there are questions i don't get

*May 26, 2013*

**Math**

What is the net price factor for trade discounts of 25/15/10? Use the net price factor you found in the previous question to find the net price of a couch listed for $800.

*May 26, 2013*

**Math**

1. Fantasia Florist Shop purchases an order of imported roses with a list price of $2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount? 2. Using your answer to the question above, what is the net dollar amount of that rose order?

*May 26, 2013*

**computer**

how Microsoft Office Word, Excel, and PowerPoint are used to support various work environments.

*May 26, 2013*

**math**

Is $203.99 the correct answer

*May 25, 2013*

**Math**

The Empire Carpet Company orders merchandise for $17,700, including $550 in shipping charges, from Mohawk Carpet Mills on May 4. Carpets valued at $1,390 will be returned because they are damaged. The terms of sale are 2/10, n30 ROG. The shipment arrives on May 26 and Empire ...

*May 24, 2013*

**Math**

Fantasia Florist Shop purchases an order of imported roses with a list price of $2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount?

*May 24, 2013*

**Math**

Zeenat did you ever get any help with this question

*May 21, 2013*