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August 30, 2014

Homework Help: Math

Branches of Math

Recent Math Questions

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math
If I have 10 pens and sold 8 which leave me with 8. What is the percentages
Sunday, June 29, 2014 at 9:25pm

Math
Integrate and simplify the following function: y= ∫(ln√x/x^2)+x 2^(3-5x^2))dx
Sunday, June 29, 2014 at 8:56pm

Math
Show that the derivative of y= cosh-1 (2x-1) is: dy/dx = √1/(x2-x)
Sunday, June 29, 2014 at 8:51pm

Math-Circles
I am familiar with finding the vertex of a polynomial but I don't know how to solve this equation. Give the vertex of x^2+9 can you please explain in steps? Thank you.
Sunday, June 29, 2014 at 2:32pm

math
A game consists of rolling a die and pays off as follows: $5.00 for a 6, $3.00 for a 5, $2.00 for a 4, and no money otherwise. If it costs $2.00 to play, find the expected net winnings for a player of this game.
Saturday, June 28, 2014 at 11:27pm

math
Suppose a football team's offense which passes 58% of the time (and rushes the rest), averages 6.9 yards per pass and 4.4 yards per rush. In a game with 65 offensive plays, how many yards would you expect them to gain
Saturday, June 28, 2014 at 9:32pm

math
Suppose that 20% of the population uses Brand X laundry soap. If 9 customers at a supermarket are surveyed, what is the probability that 3 of them use Brand X?
Saturday, June 28, 2014 at 9:32pm

math
80% of the American population likes pizza. If 8 Americans are chosen at random, find the probability that 6 of them like pizza.
Saturday, June 28, 2014 at 9:30pm

math
charge account with MasterCard. Her credit limits is $ 1,000, but she not charged that much since opening the account. Nancy hasn't had the time to review her monthly statement promptly as she should, but over the upcoming weekend she plans to catch up on her work. She has...
Saturday, June 28, 2014 at 6:55pm

math
If d length n breath of a rectangle r increased by 10% then by wt %wiil the area increase?
Saturday, June 28, 2014 at 4:08am

math
ABCD is a rectangular park of measures (a × b) and let there be a path of uniform width 'c' all around the park. Find the area of the path
Friday, June 27, 2014 at 10:57pm

math
Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
Friday, June 27, 2014 at 9:02pm

MATH
5,7,10,15,22, WHAT COMES NEXT?
Friday, June 27, 2014 at 3:39pm

5th math
1/1*2 + 1/2*3 + 1/3*4 + 1/4*5 + 1/5*6 + 1/6*7 = ? I need help It has to be a fraction too :(
Friday, June 27, 2014 at 2:02pm

Math
a) In order to express the function y = 1311 x − 4, as a composition of two functions the outer of which is an exponential function, we would let u be equal to the inner function, u = , and then write y as a function of u, as follows: y = . (b) In order to express the ...
Friday, June 27, 2014 at 2:02pm

math
it is required to find a rational number which is equal to the recurring decimal number 0.327327327...,(a)find the value of 1000x-x (b)hence, express 0.327327327... in the form a/b, where a and b are integers.
Friday, June 27, 2014 at 1:12pm

math
abby has a ribbon that was 1 meter long..she cut off 25 centimeters..how long is the ribbon now??
Friday, June 27, 2014 at 12:34pm

Math
The digit sum for 126 is 1+2+6, or 9. The digit sum for 300 is 3+0+0, 0r 3. Find the two consecutive numbers that have digit sums of 36 and 1 Please help - Thank You
Friday, June 27, 2014 at 12:00pm

Math
What's 25 inch by 12 1/2
Friday, June 27, 2014 at 11:50am

Math
Redo problem 13 from section 1.8 of your textbook (page 62), but use the functions in the questions below rather than the functions in your textbook: (a) In order to express the function y = 1311 x − 4, as a composition of two functions the outer of which is an ...
Friday, June 27, 2014 at 11:13am

Math
Choice 1: Payments of $ 2600 now, $ 3200 a year from now, and $ 3880 two years from now. Choice 2: Three yearly payments of $ 3200 starting now. Modification: Interest is compounded continuously instead of annually. (a) If the interest rate on savings were 4.86 %, which would ...
Friday, June 27, 2014 at 11:12am

Math
A culture of bacteria grows exponentially. It doubles in size every 81 hours. How long will it take to triple from its original size? Answer: hours.
Friday, June 27, 2014 at 11:12am

Math
Suppose strontium-90 decays at a rate of 2 percent per year. (a) Write the fraction P of strontium remaining, as function of t, measured in years. (Assume that at time t=0 there is 100 % remaining.) Answer: P(t) = (b) Estimate the half-life of strontium. Answer: Hint: Use your...
Friday, June 27, 2014 at 11:11am

math
what is the integral of sin^5(6x)dx
Friday, June 27, 2014 at 7:22am

math
find if 6 box have.they each having60,30,20 and 15 what next two
Friday, June 27, 2014 at 5:51am

math
Share 7m in the ratio 32:3
Friday, June 27, 2014 at 2:28am

math
Sam bought a new car for $26,500. The car depreciates approximately 13% of its value each year. A) What is the decay factor for the value of this car? b)  Write an equation to model the decay value of this car? c)  What will the value of the car be in 10 years?
Friday, June 27, 2014 at 2:15am

math
The sales goal for your store this week $22,682. The sales goal for your store this week last year was $20,128. Your store has averaged 1775 transactions perweek or the last four weeks. What is the percent change in your sales goal from this week last year to this week this year?
Friday, June 27, 2014 at 12:27am

math
Nancy Tai has recently opened a resolving charge account with MasterCard. Her credit limits is $ 1,000, but she not charged that much since opening the account. Nancy hasn't had the time to review her monthly statement promptly as she should, but over the upcoming weekend ...
Thursday, June 26, 2014 at 9:06pm

math
Barry heard in his Personal Finance class that he should start investing as soon as possible. He had always thought that it would be smart to start investing after he finishes college and his salary is high enough to pay the bills and to have money left over. He projects that ...
Thursday, June 26, 2014 at 9:06pm

math
a rectangle's width is one-fifth its length, its perimeter is 60m. find the dimensions of the rectangle
Thursday, June 26, 2014 at 7:10pm

math
simplify and write scientific notion for the answer. Use the correct number of significant numbers. (2.74*10^5)(2.2*10^-13) The answer that i got was 6.03 * 10^-19
Thursday, June 26, 2014 at 6:59pm

Math
simplify and write scientific notion for the answer. Use the correct number of significant numbers. 1.9 * 10^-6/ 9.5 *10^4 The answer that i got was 1.6 * 10^-11
Thursday, June 26, 2014 at 6:17pm

Math
Sara had just rented her first apartment starting December 1 before beginning college in January. The apartment had washer and dryer hook-ups, so Sara wanted to buy the appliances to avoid trips to the Laundromat. The Saturday newspaper had an advertisement for a local ...
Thursday, June 26, 2014 at 5:50pm

Math
3(t-3)-5(4t-3)=5-7(6t+1)
Thursday, June 26, 2014 at 4:51pm

Math
Simplify the following exponential expression. 120a^4b^2/-24a^9b^-15
Thursday, June 26, 2014 at 4:44pm

Math
Jack is 19 years older than Tom. Together their ages 161 years . What are their ages
Thursday, June 26, 2014 at 4:40pm

math
find the product and write in lowest term. -3/7(14/15)
Thursday, June 26, 2014 at 4:18pm

Math
a rectangle's width is one-seventh its length, its perimeter is 160m. find the dimensions of the rectangle.
Thursday, June 26, 2014 at 4:15pm

math
john had 1/3 blue candy, 1/4 orange candy, 1/8 green candy. and the rest was orange. What percentage was red?
Thursday, June 26, 2014 at 2:12pm

math
A student is chosen at random from a class of 10 boys and 20 girls. What are the odds that a girl is not chosen?
Thursday, June 26, 2014 at 1:54pm

math
The cost of a regular price ticket to Saint Louis Cardinal baseball game as $60. During the world series, the price increased by 2/5. What did the fans pay?
Thursday, June 26, 2014 at 11:24am

math
in a certain distribution the mean is 68, with a variance of 16. Using chebyshev's theorem at least what percentage of values will fall between 60 and 76
Thursday, June 26, 2014 at 10:46am

math
I am five digit number greater than 60 000 but less than 70 000: my ones digit is 1 less than my ten thousands digit. All my digits are the same. The sum of my didits is 23.
Thursday, June 26, 2014 at 9:53am

math psp
A number is300 when rounded off to the nearest hundred.what is the greatest possible value of the number
Thursday, June 26, 2014 at 9:48am

math
what is the sum of ten percent of a number and another number in algebraic equation?
Thursday, June 26, 2014 at 9:29am

math
the millions period has three different odd digits whose sum is 21. all the other digits are zeros. what is the number ? thank you
Thursday, June 26, 2014 at 9:24am

math
the billions period has three different even digits whose sum is 12. each of the other places is occupied by 8. what is the number? thank you
Thursday, June 26, 2014 at 9:20am

math
the billions period has three different even digits whose sum is 12. each of the other places is occupied by 8. what is the number?
Thursday, June 26, 2014 at 9:13am

math
the million period has three different odd digits whose sum is 21.all the other digits are 21. what is the number?
Thursday, June 26, 2014 at 9:10am

math
A bracelet is made of yellow, green, blue, purple and red beads in that order. the first bead is yellow, and the last bead is blue for each color. what is the maximum number of beads that are in the bracelet if it contains fewer than 90 beads.
Thursday, June 26, 2014 at 8:12am

MATH
round off to the nearest billions. 1. 10,340,541,555 2. 23,501,300,500
Thursday, June 26, 2014 at 5:31am

math
swimming pool 50 m x 20 m. how many 10 cmx 10 cm tiles needed for pool?
Thursday, June 26, 2014 at 5:10am

math
How much is 7.25 kg at $20 per kilogram?
Thursday, June 26, 2014 at 4:26am

math
A $15,000 debt is to be amortized in 12 equal semiannual payments at an annual interest rate of 11% on the unpaid balance. Construct an amortization table to determine the unpaid balance after two payments have been made.
Thursday, June 26, 2014 at 1:21am

math
Sara had just rented her first apartment starting December 1 before beginning college in January. The apartment had washer and dryer hook-ups, so Sara wanted to buy the appliances to avoid trips to the Laundromat. The Saturday newspaper had an advertisement for a local ...
Thursday, June 26, 2014 at 12:42am

math
If you are dealt 6 cards from a shuffled deck of 52 cards, find the probability of getting 3 jacks and 3 aces.
Wednesday, June 25, 2014 at 9:37pm

Math for 7th graders///////
In a survey 182 people said they liked chocolate ice cream the best. This is 35% of all the people surveyed. How many people were surveyed??? Please tell me the answer and please show your work so I could understand how you figured it out!???
Wednesday, June 25, 2014 at 5:34pm

math
a photogragh is 20cm long and 15cm wide.the length of a small print of the photograph is 4cm.find the width of the smaller print
Wednesday, June 25, 2014 at 5:08pm

math
what is the greatest odd number that would be produced when 660 is rounded off to the nearest hundreds?
Wednesday, June 25, 2014 at 5:06pm

Math
Cape Fear Riverwood is lumber company that specializes in recovering, cutting, and selling wood from trees discarded long ago,even those that have been underwater or buried in the ground for more than 100 year ! Historically, the logging industry used rafts made of wood to ...
Wednesday, June 25, 2014 at 4:55pm

Math
Cape Fear Riverwood is lumber company that specializes in recovering, cutting, and selling wood from trees discarded long ago,even those that have been underwater or buried in the ground for more than 100 year ! Historically, the logging industry used rafts made of wood to ...
Wednesday, June 25, 2014 at 4:54pm

math
Find the area bounded by the line y = 1 and the curve y = x^2 - 3. Answer 8/3 16/3 32/3 32
Wednesday, June 25, 2014 at 3:27pm

math
How do you find the interest and the new balance on these charge accounts? Balance=$253.00, Payment=$12.65, Unpaid Balance=$12.63, Interest Rate per Month=1.6%, Interest= , New Balance=
Wednesday, June 25, 2014 at 1:30pm

math
the sum of 3 integer is 15 if two of the integers (-11) and 7 find the third integer
Wednesday, June 25, 2014 at 11:49am

math
The sides of the triangle are on the of x+y+6=0, x+2y-4=0, 3x+y+2=0. Find the vertices of the triangle
Wednesday, June 25, 2014 at 9:41am

math
round off 450 less that 295 to the nearest hundreds?
Wednesday, June 25, 2014 at 6:43am

math
what is the greatest odd number that would be produced when 750 is rounded off to the nearest hundreds?
Wednesday, June 25, 2014 at 6:41am

Math
Score Skateboard Company is a small firm that designs and manufactures skateboards for high school and college students who want effective, fast transportation around campus. Score has two employees who receive $1,100 gross pay per semimonthly pay period and four employees who...
Wednesday, June 25, 2014 at 12:22am

Math
Vince earned $32,876 last year. The state unemployment tax paid by his employer is 5.4% of the first $7,000 earned in a year. How much SUTA tax must Vince’s employer pay for him? How much FUTA tax must Vince’s employer pay?
Wednesday, June 25, 2014 at 12:21am

Math
What is the unit rate in miles per gallon if 140 miles are traveled on 14 gallons of gas? The unit rate is ____ mi/g.
Wednesday, June 25, 2014 at 12:02am

Math
The length of a rectangle is 5ft longer than twice the width. If the perimeter is 106ft, find the length and the width of the rectangle.
Tuesday, June 24, 2014 at 9:41pm

math-Ms Sue please help
What is the monthly payment on a 25-year loan of $73,700 if the annual interest rate is 10%?
Tuesday, June 24, 2014 at 8:26pm

math
What is the monthly payment on a 25-year loan of $73,700 if the annual interest rate is 10%?
Tuesday, June 24, 2014 at 7:11pm

math
A farmer buys a new tractor for $38,000. He makes a down payment of $10,000 and finances the balance at 8.5% APR over 48 months. Before making the 12th payment, the farmer decides to pay the remaining balance on the loan. How much interest will the farmer save (use the ...
Tuesday, June 24, 2014 at 7:10pm

math
A newlywed couple bought a washer and dryer for $800. They paid 5% down and then paid 12 monthly payments of $65.41. Determine the APR of the loan to the nearest tenth of a percent.
Tuesday, June 24, 2014 at 7:10pm

math
A carpenter spent $4500 to purchase a table saw , a circular saw, and a panel saw. He paid 5% down and financed the balance with a 30-month fixed installment loan with an APR of 5.0%. Determine the total finance charge and monthly payment for the loan.
Tuesday, June 24, 2014 at 7:10pm

math
James has set up an ordinary annuity to save for his retirement in 18 years. If his monthly payments are $225 and the annuity has an annual interest rate of 8% compounded monthly, what will be the value of the annuity when he retires?
Tuesday, June 24, 2014 at 7:09pm

math
Barbara knows that she will need to buy a new car in 3 years. The car will cost $15,000 by then. How much should she invest now at 8%, compounded quarterly, so that she will have enough to buy a new car?
Tuesday, June 24, 2014 at 7:09pm

math
John Lee's savings account has a balance of $4494. After 3 years, what will the amount of interest be at 5% compounded semiannually?
Tuesday, June 24, 2014 at 7:09pm

math
Allan borrowed $4800 from his father to buy a car. He repaid him after 9 months with interest of 5% per year. Find the total amount he repaid.
Tuesday, June 24, 2014 at 7:08pm

math
All 30 of the students in a mathematics class attended class on Monday. On Tuesday only 22 students attended. What was the percent decrease?
Tuesday, June 24, 2014 at 7:08pm

Math
Jane is going to walk once around the edge of a rectangular park. The park is 200 yards long and 300 feet wide. How far will Jane walk?
Tuesday, June 24, 2014 at 6:29pm

English
Choose the sentence that is written in active voice. A. The math problems were given to the students. B. The students were taking a math test. C. The math test was given by the instructor. D. The math test grades were given to the students. B
Tuesday, June 24, 2014 at 5:41pm

Math
Lake Michigan Credit Union finances auto loans for its members. Each loan can be classified into one of four categories: paid in full, good standing, poor standing (with one or more missing payments), and delinquent (where the debt is sold to a collection agency). Past records...
Tuesday, June 24, 2014 at 5:30pm

math i have no idea help please
DVDs are on sale for 12.50 for a set of two. You have $35. You can split a set and buy just one disc for the same price per disc as the set. how many disc can you buy?
Tuesday, June 24, 2014 at 4:32pm

math
coppertone sport ultra sweatproof-spf 15 dry lotion contains 1.2 mg of otylmethoxycinnamate per fluid oz. how many micrograms of this chemical would be in 1/2 pint of the sunblock lotion?
Tuesday, June 24, 2014 at 3:07pm

math
If I get a 2% raise and it equals $.23, then how what was my hourly pay before the raise?
Tuesday, June 24, 2014 at 1:46pm

math
Using the sale price that is given, find the regular price for each item at a 20%- off sale. radio: $13.72
Tuesday, June 24, 2014 at 1:41pm

math
a teacher has 25 kids in her class. she has a bowl containing 25 chocolates. she wants to divide the 25 chocolates to the kids, in such a way that one chocolate should remain in her bowl
Tuesday, June 24, 2014 at 12:43pm

Math
Your program has a proposed RDT&E-funded project scheduled to start in January 2005 which is expected to take 16 months to complete. The project is expected to cost a total of $16 million (then-year dollars), with cost expected to be incurred at a rate of $1 million per month...
Tuesday, June 24, 2014 at 11:33am

math
A steel post is 6 ft. long and 6" thick in diameter. If a cubic foot of steel weighs 490 lb., how much does the rod weigh (to the nearest pound)?
Tuesday, June 24, 2014 at 11:21am

math
express 0.003522....in p/q form
Tuesday, June 24, 2014 at 10:59am

math
2 girls plus 1 guy equals
Tuesday, June 24, 2014 at 10:03am

math
Paulo has $6 to spend. A sundae costs $3.25 plus $0.65 per topping. Write and solve an inequality to find how many toppings he can order.
Tuesday, June 24, 2014 at 10:01am

math
What is 84:112 as fraction in simplest form?
Tuesday, June 24, 2014 at 9:25am

MATH
Olympic volleyball player Bev Oden averaged 3.42 "kills" (spikes that end a rally) per game. Predict her number of kills in a 5 game match.
Tuesday, June 24, 2014 at 8:35am

MATH
Carol drove 720 km in 9 hours. What was her rate in km/hr?
Tuesday, June 24, 2014 at 8:29am

MATH
Blake earned $199.20 for 24 hours of work. How much would he be paid for 15 hours of work?
Tuesday, June 24, 2014 at 8:22am

Math
8x8x8x8 base 2
Tuesday, June 24, 2014 at 5:11am

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