Thursday

January 29, 2015

January 29, 2015

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**6th grade Math**

Abraham earns $11.50 an hour. How many hours will Abraham have to work to earn $483? Please Show Work!!!!
*Wednesday, December 3, 2014 at 4:58pm*

**Math **

How do you put 28/4 in a whole number
*Wednesday, December 3, 2014 at 4:54pm*

**math**

I need help with Lesson 4 Unit 3
*Wednesday, December 3, 2014 at 4:31pm*

**math**

At Soap ans Suds there are 16 washing machines in a single row with no space between each one.Each washing mashine is 2 feet 5 inches across. What is the total length of the 16 washing machines?
*Wednesday, December 3, 2014 at 4:30pm*

**math**

x^2-20=0
*Wednesday, December 3, 2014 at 4:19pm*

**math **

The area of a circle with radius r given by the formula A = pi r^2. If a circle has area 81 pi square in inches, what is the radius?
*Wednesday, December 3, 2014 at 4:05pm*

**Math check my answer please!**

Which expression is equivalent to 4x4x4x4x4x4x4x4? a. 4 x 8 b. 8^4 c. 8x8 d. 4^8 I think D.
*Wednesday, December 3, 2014 at 2:30pm*

**Math**

There are four kinds of road signs in a certain town. The number of each kind is shown. What is the ratio of the number of school signs to the number of stop signs?
*Wednesday, December 3, 2014 at 2:25pm*

**Math**

an employee is hired at a salary of $38560.25 which is 5.5% higher than her salary at her previous job. what was her previous salary?
*Wednesday, December 3, 2014 at 1:33pm*

**2 math ?s**

Thank you so much in advance! Verify each identity. Work one side (the harder side) Please show me the work sin θ +cos θ cot θ= csc θ Cos^2 θ + 1 =2cos^2 θ +sin^2 θ
*Wednesday, December 3, 2014 at 11:06am*

**3 Math**

If you know That 4 x5= 20, how can you use the commutative property to find 5x4= 20 ?
*Wednesday, December 3, 2014 at 10:55am*

**DUMB MATH**

How the heck do I do this: I am z. To find me, multiply b by 3,then subtract 7. HELLLLPPPPPPP!
*Wednesday, December 3, 2014 at 9:53am*

**math**

Daniel scored 162 points playing his video game.he can move to the next level of the game when he earns 275 points exactly. daniel says he needs about 100 points to get to the next level his friend Valerie says he needs about a 120 points to get to the next level explain why ...
*Wednesday, December 3, 2014 at 9:46am*

**math**

bianca has total of 25c.She has some nickels and pennies.How many different combination of nickels and pennies could bianca have?
*Wednesday, December 3, 2014 at 6:54am*

**Business Math**

Check My Work (7 remaining) 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 ... a. ... August 19? $ b. ... September 3? $
*Wednesday, December 3, 2014 at 5:01am*

**math**

3. In a class of 40 boys, 18 passed Business Mathematics, 19 passed Accounts, 10 passed Economics, 6 passed Accounts only, 5 passed Business Mathematics and Accounts only, 2 Passed Accounts and Economics only. How many passed in all three papers.
*Wednesday, December 3, 2014 at 2:29am*

**MATH **

What is a general strategy to find dimensions for any rectangular box whose volume is doubled? MY THOUGHTS IS 2L by 2w by 2h
*Wednesday, December 3, 2014 at 1:16am*

**Math**

A fishing boat leaves port at 5 miles per hour at a bearing of 350∘ for 2 hours, then turns to a bearing of 40∘ at 12 miles per hour for 2 hours, and finally changes to a bearing of 180∘ at 10 miles per hour for 5 hours. At this point, the boat heads directly...
*Wednesday, December 3, 2014 at 12:51am*

**Math**

A fishing boat leaves port at 5 miles per hour at a bearing of 350∘ for 2 hours, then turns to a bearing of 40∘ at 12 miles per hour for 2 hours, and finally changes to a bearing of 180∘ at 10 miles per hour for 5 hours. At this point, the boat heads directly...
*Wednesday, December 3, 2014 at 12:26am*

**MATH EMERGENCY**

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 + 0.7x + 1 where p is the ...
*Wednesday, December 3, 2014 at 12:04am*

**MATH EMERGENCY I HAVE 10 MINUTES**

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(49 + 4.4x) dollars. Determine the producers' surplus if the market price is set at $15/unit. (Round your answer to two decimal places.)
*Tuesday, December 2, 2014 at 11:59pm*

**MATH CALC**

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(49 + 4.4x) dollars. Determine the producers' surplus if the market price is set at $15/unit. (Round your answer to two decimal places.)
*Tuesday, December 2, 2014 at 11:45pm*

**Bus. Math**

325 x .0145= 325 x .062=
*Tuesday, December 2, 2014 at 11:24pm*

**math**

This exercise is about conditional probability. A jar contains five red balls numbered 1 to 5, and six green balls numbered 1 to 6. A ball is drawn at random from the jar. Find the following conditional probabilities. (Enter your probabilities as fractions.) (a) The ball is ...
*Tuesday, December 2, 2014 at 11:06pm*

**math(5th grade)**

Alyce and Julie were sitting by the pool eating lunch Alyce took out six sandwiches cut into quarters but dropped one whole sandwich and three quarters into the pool if alyce and Julie split the remaining sandwiches equally how many sandwiches would each one get
*Tuesday, December 2, 2014 at 10:55pm*

**Probability MATH**

can someone please check my answers. 7. A married couple is expecting another child. They already have 3 boys. What are the chances of them having another boy? 1/4 8. After having had the four boys the couple is expecting another child. What is the chance of them having ...
*Tuesday, December 2, 2014 at 10:45pm*

**Math - Probability**

19. On the 24th of December for the past 10 years it has snowed eight times. What is the chance for snow this next December 24? 20. Congressman X is up for his 6th term. Thus far in five elections he has won by 58,56,62,70, and 54 percent. On this basis of past record, with no...
*Tuesday, December 2, 2014 at 10:37pm*

**math**

JT has 132 tokens. He gives kay 1/8 of his tokens. He gives Charlie 3/4 of his tokens and he keeps the rest. How many tokens does each person get?
*Tuesday, December 2, 2014 at 10:35pm*

**math**

(1.1)+1.23+ 16 squared+ 0.5= ???
*Tuesday, December 2, 2014 at 10:00pm*

**math**

help: Two travelers start simultaneously in two cities A and B, and go to meet each other. The part of A walk 1 km on the first day , the second day 2 km , 3 km on the third day , and so on. The part of B walk 20 miles the first day, the second day 18 km , 16 km on the third ...
*Tuesday, December 2, 2014 at 9:57pm*

**math**

Give the probability in decimal form (correct to two decimal places). A calculator may be helpful. Last semester, a certain professor gave 15 As out of 396 grades. If one of the professor's students from last semester were selected randomly, what is the probability that ...
*Tuesday, December 2, 2014 at 9:48pm*

**math**

The Fan cost Index(Fci)represents the cost of four average-price tickets, refreshments, and souvenirs to a sporting event. The FCIs for an Independent tennis league and an Independent basketball league totaled $123.62. The basketball FCI was $$6.98 more than that of tennis. ...
*Tuesday, December 2, 2014 at 9:47pm*

**math**

An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will be $405,000. If only natural gas is hit, the income will be $125,000. If nothing is hit, there will be no income. If the probability of hitting oil ...
*Tuesday, December 2, 2014 at 9:47pm*

**math**

A bit is one eighth of a dollar how many cents is 6 bits? My answer is 6 cents? I don't think I am right.
*Tuesday, December 2, 2014 at 9:41pm*

**Math**

0.8(4+-a)=5.6a how to check this so the answers both equal out?
*Tuesday, December 2, 2014 at 9:24pm*

**Math**

A manager at a concert venue is looking at the profits earned from the sale of tickets to an event. The manager wants to determine the amount of profits made based on a predicted number of tickets sold for the event. Assuming the profit per ticket is constant, as the number of...
*Tuesday, December 2, 2014 at 8:45pm*

**math**

marty ate 4/6 of his pizza and luis ate 5/6 of his pizza..marty ate more pizza than luis how is that possible
*Tuesday, December 2, 2014 at 8:36pm*

**Math**

How many people can eat 2 pizzas
*Tuesday, December 2, 2014 at 8:26pm*

**math**

If a building contractor hires 5 day laborers and 2 concrete finishers, his payroll for the day is $1200. If he hires i day laborer and 4 concrete finishers, his daily cost is $924. Find the daily wage for each type of worker.
*Tuesday, December 2, 2014 at 8:22pm*

**Math**

Paul lands a home mortgage of $58,200 at a 7.40% interest rate. He plans to pay this after 3 years . What will the total principle be?
*Tuesday, December 2, 2014 at 8:18pm*

**Math**

I am 2 digit number The difference between them is less then 1 The sum of them is a multiple of 9 The second digit is a factor of 27 What number am I ?
*Tuesday, December 2, 2014 at 8:15pm*

**mAth**

The auto repair shop is 1 3/10 miles from the bank. The bank is 3 3/5 miles from gina home. After she left her car at the shop gina walk to the bank. Then she walked home. How far did gina walk in all. Is the answer 5 miles
*Tuesday, December 2, 2014 at 8:14pm*

**Math (Answer ASAP)**

To solve this problem, use the Pythagorean Theorem to find the third side. Cos=5/7
*Tuesday, December 2, 2014 at 8:13pm*

**Math**

Find the possible values of b,h and l for a triangular prism with volume 21 cubic meters. How many ways can you do this? Sketch a diagram of one possible prism.
*Tuesday, December 2, 2014 at 8:04pm*

**math**

Marissa worked 7 1/4 hours on Monday. She worked 9 3/4 hours on tuesday, how many hours did she work in all on monday and tuesday, is the answer 15 1/4 hours
*Tuesday, December 2, 2014 at 7:52pm*

**math Calc**

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 = 172 − x^2 where p is measured in dollars and x is measured in units of a thousand. Titan will make x ...
*Tuesday, December 2, 2014 at 7:32pm*

**math**

Jen spent 1 1/2 hours working on ms thomkin car on Monday. She spent 2 3/4 more hours on Tuesday to finish the tune up. How many more hours in all did she work on ms thommin car is the answer 4 1/2 hours
*Tuesday, December 2, 2014 at 7:27pm*

**math**

There are 17 goats in the barn. 8 goats go outside. How many are still in the barn? Use ten frames show work
*Tuesday, December 2, 2014 at 7:23pm*

**math**

what is the answer to the famous farming exression, from creative publications pre-algebra with pizzaz
*Tuesday, December 2, 2014 at 7:06pm*

**Math**

To solve this problem, use the Pythagorean Theorem to find the third side. Cos=5/7
*Tuesday, December 2, 2014 at 6:54pm*

**math**

Ken uses 6 apples and 2 bananas to make a fruit salad. He puts twice as many oranges as bananas in the salad. How many pieces of fruit will Ken use to make 2 fruit salads?
*Tuesday, December 2, 2014 at 6:50pm*

**math**

Shane takes a big cube of butter with side length x from the fridge. He then cuts out a little cube of side length y from one of the corners of the cube. Write an expression that describes the remaining volume of butter.
*Tuesday, December 2, 2014 at 6:48pm*

**Math**

Meagan is sitting in a rocking chair, the distance d(t-) between the wall and the rear of the chair varies sinusoidally with time t. At t = 1s , the chair is closest to the wall and d(1) = 18 cm. At t = 1.75s the chair is farthest from the wall and d(1.75 ) = 34m how far is ...
*Tuesday, December 2, 2014 at 6:36pm*

**math- help**

if steak costs $2.29 per lb. how much does 0.8 lb. cost? my answer: either $1.12 or $0.112 pls help
*Tuesday, December 2, 2014 at 6:36pm*

**math**

Glenda ran 1,500 m in4 min 10 sec. How many meters is this per second?
*Tuesday, December 2, 2014 at 6:26pm*

**math**

Todd has a board that is 6 ft. 3in. He needs to cut it to 4 ft. 9 in. How much should he cut off?
*Tuesday, December 2, 2014 at 6:25pm*

**math**

pete had 12 peanuts. he gave bill 1/3. how many does bill have
*Tuesday, December 2, 2014 at 6:00pm*

**Math**

Can (6x - 1)/3 be simplified as 2x - 1/3?
*Tuesday, December 2, 2014 at 5:21pm*

**Math**

an object is thrown upward from a height of 70 feet. t second after it is released, the object is h=-16t^2+40t+70 feet above the ground. how many seconds does it take until the object hits the ground?
*Tuesday, December 2, 2014 at 5:11pm*

**Math**

What are the steps in how to divide fractions? Give an example!
*Tuesday, December 2, 2014 at 4:59pm*

**Math**

Chef has 25 pounds of strip loin. Trim loss on strip loin is 35% and the cooking loss is 80% of the trimmed weight. How many pounds of trimmed, cooked strip loin will the chef have left to serve to his customers?
*Tuesday, December 2, 2014 at 4:46pm*

**Math Pre-Algebra **

Find the quotient -16/0?
*Tuesday, December 2, 2014 at 4:18pm*

**Math**

A florist has 40 tulips, 32 roses, 60 daisies, and 50 petunias. What is the ratio of petunias to tulips, in simplest form?
*Tuesday, December 2, 2014 at 4:02pm*

**Math**

2% of what number is 400?
*Tuesday, December 2, 2014 at 4:00pm*

**math help!**

Hi! How may you check 2+3w=12+2w to equal each other and check out equal
*Tuesday, December 2, 2014 at 3:14pm*

**Business Math**

Smith of Victorville sold office equipment for $12,500 to Frank of Barstow. Terms of the sale are 2/10, n/30 FOB Victorville. Assume Frank pays within the discount period. How much will Frank pay?
*Tuesday, December 2, 2014 at 2:33pm*

**Business Math**

A manufacturer of ice skates offered a chain discount of 7/5/1. Bobby’s Sport Shop ordered 30 pairs of skates that had a list price of $925. What was the amount Bobby had to pay for the goods?
*Tuesday, December 2, 2014 at 2:32pm*

**Business Math**

Jones Manufacturing sent Blue Company an invoice for equipment with a list price of $10,000. The invoice is dated July 27 with terms of 2/10, EOM. Blue Company is entitled to a 40% trade discount. If the invoice is paid on September 5, how much does Blue pay?
*Tuesday, December 2, 2014 at 2:31pm*

**Business Math**

Mel’s furniture received an invoice dated September 27 for five bedroom sets at $3,000 each. The invoice indicated a trade discount of 5/8/3. The seller of the furniture prepaid the freight of $200. Terms were 2/10 FOB. Assuming Mel pays on October 2, what amount would be...
*Tuesday, December 2, 2014 at 2:30pm*

**Business Math**

An invoice dated February 9 in the amount of $45,000 is received by Reliance Corporation on February 13. Cash discount terms on the invoice are 2/10, n/30. On February 18, Reliance pays in the amount of $9,000 as a partial payment on the invoice. What is the credit Reliance ...
*Tuesday, December 2, 2014 at 2:30pm*

**Math**

How to solve for y? x = (3y + 1)/6
*Tuesday, December 2, 2014 at 2:25pm*

**Business Math**

On May 1, 2004 the Jones Company received a bank statement that showed a $2,950 balance. Mr. Jones showed a $4,010 checking account balance. The bank did not return check No. 124 for $1080 and check No. 138 for $720. A $3,200 deposit made on April 30 was in transit. The bank ...
*Tuesday, December 2, 2014 at 2:24pm*

**Math help**

multiply -(-5-p)(5+p)
*Tuesday, December 2, 2014 at 12:09pm*

**math help**

multiply -P(P-Q+5)
*Tuesday, December 2, 2014 at 12:07pm*

**math**

A ball is thrown into the air with an upword velocity of 36 ft/s. Its hight H in feet after t seconds is given by the function h=-16t^2+36t+9. In how many seconds does the ball reach its maximum height? Round to the nearest hundredth if necessary. What is the balls maximum ...
*Tuesday, December 2, 2014 at 11:16am*

**Business Math**

What will be the total deduction for social security and Medicare taxes on Juanita's next weekly paycheck of $720 if she has already earned $10,800 this year? Social Security tax is 6.2% of wages up to $106,800. Medicare tax is 1.45% of all wages.
*Tuesday, December 2, 2014 at 10:08am*

**Math**

To make an international telephone call , you need the code for the country you are calling . The codes for country A,B and C are three consecutive integers whose sum is 105. Find the code for each country .
*Tuesday, December 2, 2014 at 9:32am*

**math**

The diagram uses a scale of 1/4in:30ft. Explain hoe to use the scale and scale drawing to find actual soccer field dimensions. Is the correct answer 1in.:120ft
*Tuesday, December 2, 2014 at 9:13am*

**Math**

A ladder is leaning against the side of a house so that it can reach a window that is 25 feet off the ground. The angle in which is formed between the ladder and the ground is 52 degrees. How far from the base of the house is the base of the ladder? Round the answer to the ...
*Tuesday, December 2, 2014 at 8:58am*

**Math Question**

To solve this problem, use the Pythagorean Theorem to find the third side. Next, find the other five trigonometric functions of theta (sin, tan, csc, sec and cot). Cos=5/7
*Tuesday, December 2, 2014 at 8:57am*

**math**

in a class of 40 boys 18 passed business mathematics, 19 passed accounts, 10 passed economics, 6 passed accounts only, 5 passed business mathematics and accounts only, 2 passed accounts and economics only. how many passed in all three papers
*Tuesday, December 2, 2014 at 8:32am*

**3rd grade math**

What is the next number pattern below? 16,24,32,40,48
*Tuesday, December 2, 2014 at 7:33am*

**math**

need help please. the time required for one complete oscillation of a pendulum is called its period. if L is the length of the pendulum, then the period is given by P= 2 times pie multiplied by the square root of (L/g), where g is a constant called the acceleration due to ...
*Tuesday, December 2, 2014 at 7:22am*

**math help!**

Hi! How may you check 2+3w=12+2w to equal each other and check out equal
*Tuesday, December 2, 2014 at 7:13am*

**math**

Benny drank 4 over 10 liter of juice.His brother drank as much as him and 1 over 10 more,and his sister drank half as much as him.How much juice did the three children drink?
*Tuesday, December 2, 2014 at 4:41am*

**MATH**

Fe walked 9/20(9 over 20) km,Beth walked twice as much as Fe,and Tina walked as much as Fe and 2/20(2 over 20) km. more.Who walked the farthest?How many kilometers did the 3 girls walk?
*Tuesday, December 2, 2014 at 4:37am*

**Probability and Linear Math**

SET UP BUT DO NOT SOLVE THE FOLLOWING LINEAR PROGRAMMING PROBLEM. A financier plans to invest up to $500,000 in two products. Project A yields a return of 10% on an investment, whereas Project B yields a return of 15% on the investment. Because the investment in Project B is ...
*Monday, December 1, 2014 at 11:31pm*

**MATH**

Spencer wants to plant strawberries for his garden. To do this, he has to increase the garden and the fence around it. Spencer decides one side can be twice as big and the other side four times as big. One side measures 7feet long and the other side is 5 feet long. What is the...
*Monday, December 1, 2014 at 11:29pm*

**Math**

A radio cost a company $45 to manufacture. If it sells for $97.65, what is the percent markup based on cost.
*Monday, December 1, 2014 at 11:22pm*

**Math Proof**

Prove f(x)=b^x is continuous on (-infinity,infinity) i.e. a exist in the reals. here assume b does not equal 1, but b>0
*Monday, December 1, 2014 at 11:10pm*

**Math Proof**

prove f(x)=b^x is continuous on (-infinity,infinity) i.s at all a exist in reals. here assume b does not equal 1, but b>0
*Monday, December 1, 2014 at 10:41pm*

**Math**

What is the rule for this function? input 2 output 5 ,input 4 output 13, Input 6 output 21, Input 8 output 29, Input 10 output 37 Please help now thanks
*Monday, December 1, 2014 at 10:28pm*

**math**

Estimate the product then complete the multiplication 5 4/5× 7/1. Is the answer 203/5
*Monday, December 1, 2014 at 10:16pm*

**Math**

A game is played by throwing darts at a target. A player can choose to throw two or three darts. Darcy plays two games. In Game 1, he chooses to throw two darts, and wins if he hits the target at least once. In Game 2, he chooses to throw three darts, and wins if he hits the ...
*Monday, December 1, 2014 at 10:06pm*

**Math**

A cube has a surface area of 6534 square feet. What is its volume?
*Monday, December 1, 2014 at 9:51pm*

**math**

Estimate. Then find each product. Simplify 6 1/3×1:5/6 Is the answer 11 11/18
*Monday, December 1, 2014 at 9:47pm*

**Math**

If $37,500 is invested at 6.3% for 30 years, find the future value if the interest is compounded annually,semiannually, quarterly, monthly
*Monday, December 1, 2014 at 9:35pm*

**math**

what is the number 8
*Monday, December 1, 2014 at 9:34pm*

**math**

Estimate then find each product. Simplify 7 4/5×2 1/3 Is the answer 18 1/5
*Monday, December 1, 2014 at 9:27pm*

**Math**

A box contains 4 red penciks and 6 black pencils what fraction of the pencils are red
*Monday, December 1, 2014 at 8:45pm*

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