Friday

November 28, 2014

November 28, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**Math**

Want to make a dog run. Have 199.4 feet of fencing and the garage is 19.2 feet wide. How long will the run be?
*Friday, October 24, 2014 at 2:36am*

**Please Help asap for math**

Given the following: vector u= [-2,-1,2] and vector v=[1,-1,-4] and vector w= [4,3,-2] find: a)theta, the angle between vectors, u and w. b)Are the vectors, u, v, and w coplanar?Show your answer algebraically.
*Friday, October 24, 2014 at 1:12am*

**Need Help asap for math!**

A plane is steering at S83degreesE at an air speed of 550 km/h. The wind is from N70degreesE at 85km/h. Find the ground velocity of the plane to 1 decimal space.
*Friday, October 24, 2014 at 1:01am*

**math**

chemistry experiment needed 12.45 grams of chemical to produce one liter of a gas. If Zoe wanted 24 liters of gas, how many kilograms of the chemical will she need?
*Friday, October 24, 2014 at 12:55am*

**Math**

There are two chords AB and AC in a circle.[AB]=10cm, [CD]=8cm and the radius of the circle is 12cm.what is the distance of each chord from the centre of the ccircle?
*Friday, October 24, 2014 at 12:54am*

**math**

Suppose you take out a loan for 180 days in the amount of $13,500 at 11% ordinary interest. After 50 days, you make a partial payment of $1,000. What is the final amount due on the loan?
*Thursday, October 23, 2014 at 11:46pm*

**math**

How do you solve this? -3y + 2 [6 9] [27 -18] [-12 15]=[30 6] -3y + 2 [6 9]- [-6 -9] -3y + 2[0 0] [-12 15] [12 -15] = [0 0] -3y + 2 = [27 -18]= -3y [27*2 -18*2] [30 6] [30*2 6*2] -3y =[54 -36] -3y /-3[54/-3 -36/-3] [60 8] = [60/-3 8/-3] y = [-18 12] [-20 -8/3] Is this correct?
*Thursday, October 23, 2014 at 11:28pm*

**math**

William owes $9,000.00 to a friend who is charging him interest of 1.60% p.m. he is required to settle the amount with 2 equal payments, one today and the other in 2 months. Calculate the size of the payments using 2 months as the focal date. Round your answer to 2 decimal ...
*Thursday, October 23, 2014 at 11:20pm*

**math**

Points A and B lie on the graph of the equation y = -4.3x. What are the y coordinates for each point? Point A: (-3, ) Point B: (5, ) Not multiple choice.. confused on how to find the other points
*Thursday, October 23, 2014 at 11:03pm*

**Math**

What is the slope of the line passing through (-3,4) and (2, -1)? 3/5 -1 1 ** -3/5
*Thursday, October 23, 2014 at 11:00pm*

**Math**

How do you divide 3/4 by 2/3?
*Thursday, October 23, 2014 at 10:57pm*

**math**

how do you estimate fractions? I know how to estimate numbers and decimals but the questions wants us to estimate fraction sand have the answer in fraction form. the question is : 2 1/10 divided by 1 1/5= how would these be estimated? without estimating I know the answer is 33...
*Thursday, October 23, 2014 at 10:35pm*

**math**

How many packs of DVDs can you buy with 198 dollars if one pack costs 18 dollars
*Thursday, October 23, 2014 at 10:29pm*

**Math**

Find a fraction between 7/9 & 8/9
*Thursday, October 23, 2014 at 10:22pm*

**math**

A) If x^2+y^3−xy^2=19, find dy/dx in terms of x and y. dy/dx=________ B) Using your answer for dy/dx, fill in the following table of approximate y-values of points on the curve near x=1 y=3. 0.96 ______ 0.98 ______ 1.02 ______ 1.04 ______ C) Finally, find the y-value for...
*Thursday, October 23, 2014 at 10:04pm*

**Math**

Joe is making a rectangular mosaic with colored tiles. He will use 20 tiles to make his design. What are all the different arrangements of tiles that Joe could use to design his mosaic?
*Thursday, October 23, 2014 at 9:01pm*

**Math 222**

Posted by Monica on Thursday, October 23, 2014 at 6:36pm. Please help me solve these two Rational Expressions? Sorry my addition sign does not work on my keyboard, so that is why I am using the word "plus". 1). g^2-6g-55 __________ g 2). k^3 plus k ___________ k^2 ...
*Thursday, October 23, 2014 at 8:59pm*

**math**

18 sections of fence each 1 meter long. What are the various sizes of rectangular pens using all 18 units of fence?
*Thursday, October 23, 2014 at 8:52pm*

**Math**

5 + y/6=8
*Thursday, October 23, 2014 at 8:44pm*

**math**

a poetry class won a $325 prize.the 13 students in the class share the prize equally.how many dollars,d,does each student receive?use the area model to help
*Thursday, October 23, 2014 at 8:05pm*

**math**

a ream of paper contains 500 sheets how many reams are needed to type a manuscript of 6000 pages explain how you know
*Thursday, October 23, 2014 at 8:02pm*

**Math**

Can you also use the LCM of the denominators of the fractions to rewrite the difference 8/15-1/6? What is the difference?
*Thursday, October 23, 2014 at 7:41pm*

**Math**

A decimal number changed to 23.7 after it was rounded. Give a decimal number that is less than 23.7 and another that is greater than 23.7 that each round to 23.7. Explain to what place each number was rounded.
*Thursday, October 23, 2014 at 7:29pm*

**math**

If vector u = [1,-3,-2] and vector v = [4,-5,3] find: a) |vector u + vector v - 5j | b) Find Q, where P (-7,5,-1] and vector PQ=2(vector u) c)find vector w which is orthogonal to both vector u and vector v
*Thursday, October 23, 2014 at 7:15pm*

**math algebra**

A new shopping is opening this month.before agreeing to open shops, store managers had toconsider monthly rent and whether to pay one time fee to put shop name on sign in front of store. Kikis kupcakes number of months total rent paid 2 9700 5 16750 8 23800 10 28500 12 33200 ...
*Thursday, October 23, 2014 at 6:55pm*

**Math 222**

Please help me solve these two Rational Expressions? Sorry my addition sign does not work on my keyboard, so that is why I am using the word "plus". 1). g^2-6g-55 __________ g 2). k^3 plus k ___________ k^2 plus k-42
*Thursday, October 23, 2014 at 6:36pm*

**Math **

Pey Soon has taken out a 20-year, $150,000 mortgage with monthly payments (made at the end of each month) at a stated mortgage rate of 6.8% per year compounded semi-annually. If she makes each payment on time, what will be the mortgage principal remaining after 10 years? ...
*Thursday, October 23, 2014 at 6:13pm*

**Math help**

You plan to make 24 equal quarterly payments (payments are at the end of each period) into an account to pays 8% (per year compounded quarterly). If you need $5,000 at the end of 10 years (i.e. 4 years after the last payment is made into the account), how much would you have ...
*Thursday, October 23, 2014 at 6:12pm*

**math**

A bottle of juice states that a serving is 1/2 cup. How many servings are in 2-pint container? ( Hint: One pint equals 2 cups?
*Thursday, October 23, 2014 at 6:05pm*

**Math**

Vanessa has 3 yards of cotton. She needs 3/4 yard for each skirt she makes. How many skirts can she make?
*Thursday, October 23, 2014 at 6:03pm*

**math**

write a multiplication equation and a division equation that represent the model shown below.176 *16=d this is correct.how to write a division equation.
*Thursday, October 23, 2014 at 5:51pm*

**Math**

Car Rentals charge 20 dollars per day plus a 10 dollar service charge to rent one of its compact cars. The total cost can be represented by the equation y=20x+10 where x is the number of days and y is the total cost Graph the equation What do the slope and y intercept ...
*Thursday, October 23, 2014 at 5:45pm*

**math**

write a multiplication equation and a division equation that represent the model shown below.176 16=d
*Thursday, October 23, 2014 at 5:35pm*

**math**

if you have a gas tank that is 37" X 10"X 121/2" how many gallons of gas will it hold ?
*Thursday, October 23, 2014 at 5:22pm*

**Math 12**

I could really use some help with this problem. Joe bought 100 shares of stock at $10.00 per share. When the shares increased to a value of $N each, he made a charitable donation of all the shares to the Euclid Foundation. He received a tax refund of 60% on the total value of ...
*Thursday, October 23, 2014 at 5:13pm*

**Help?**

Explain how to use mental math to simplify the expression. 6 • 3 • 5
*Thursday, October 23, 2014 at 5:11pm*

**Math.**

Is equation is true, false? I'm not sure. 3(4 + –5) = 3(–6 – 2)
*Thursday, October 23, 2014 at 5:02pm*

**Math Math!**

Marcus buys groceries for no more than $250.00 each week. He shops 4 times each month. How much should he budget for groceries for the month?
*Thursday, October 23, 2014 at 4:57pm*

**math asap**

if a 40 m rope is cut into two pieces in the ratio 3 : 5, how long is each piece? i tried: x=one piece 3/5 = x/40 x= 3*40/5 x=120/5 x=24 is that right?
*Thursday, October 23, 2014 at 4:49pm*

**Math problem?**

Lauren needs at most $80.00 for gas. How many twenty dollar bills does she need?
*Thursday, October 23, 2014 at 4:49pm*

**math**

y – 5 = –8
*Thursday, October 23, 2014 at 4:47pm*

**asap math**

Solve for y. Show all steps. y over 4≤ –16
*Thursday, October 23, 2014 at 4:41pm*

**math**

You are the financial planner for Johnson Controls. Assume last year’s profits were $760,000. The board of directors decided to forgo dividends to stockholders and retire high-interest outstanding bonds that were issued 5 years ago at a face value of $1,420,000. You have ...
*Thursday, October 23, 2014 at 4:36pm*

**MATH ASAP~**

Write an inequality for this sentence: The height h is greater than 15 feet.
*Thursday, October 23, 2014 at 4:33pm*

**math**

If a 40 m rope is cut into two pieces in the ratio 3:5, how long is each piece? I tried it but I checked it and it was wrong, please help.
*Thursday, October 23, 2014 at 4:31pm*

**Math step by step?**

Solve for t. Show all steps. t over 5= 8 T= 40? I think.
*Thursday, October 23, 2014 at 4:20pm*

**Math question?**

Solve for t. Show all steps. t over 5= 8
*Thursday, October 23, 2014 at 4:12pm*

**math**

if you have 6 cars, 10 trucks, 14 suv, 15 minivan, at this rate how many trucks would pass luann if 90 vehicles passed her. show your work
*Thursday, October 23, 2014 at 4:08pm*

**math**

A television set is 36 inches wide and has a diagonal length of 42 inches. To the nearest inch, how tall is the set? A.9 B.13 C.22 D.55 Is the answer D?
*Thursday, October 23, 2014 at 4:01pm*

**Math Help!**

Which set represents a Pythagorean triple? A. 1,2,4 B. 2,4,6 C. 3,4,10 D. 5,12,13 Is the answer D? Thanks
*Thursday, October 23, 2014 at 3:59pm*

**Math Help!**

What is the hypotenuse of a right trianlgle if the legs are each 20 inches long? Round to the nearest whole number. A. 28 B. 29 C. 30 D. 31 Is the answer B? Thanks
*Thursday, October 23, 2014 at 3:51pm*

**math**

Start from 110 feet away, a person on a bicycle rides towards a checkpoint and then passes it. The rider is travelling at a constant rate of 30 feet per second. The distance between the bicycle and he checkpoint is given by the equation d = |110 - 30t|. At what time is the ...
*Thursday, October 23, 2014 at 3:50pm*

**math Help!!!!!!**

Which set represents a Pythagorean triple? A.1,2,4 B.2,4,6 C.3,4,10 D.5,12,13 Is the answer C?
*Thursday, October 23, 2014 at 3:44pm*

**Math Help!**

Which set represents a Pythagorean triple? A. 2,5,6 B. 6,8,10 C. 8,8,128 D. 8,10,256 Is the answer D?
*Thursday, October 23, 2014 at 3:42pm*

**Math--1 question plz?**

Use the Distributive Property to multiply. (x – 9)5
*Thursday, October 23, 2014 at 3:38pm*

**math Help!!!!!!**

Which number completes the Pythagorean triple: 12,16, ? A.18 B.20 C.22 D.24 Is the answer D?
*Thursday, October 23, 2014 at 3:35pm*

**Math Help!**

If the lengths of the legs in a right triangle are 7 and 8, what is the approximate length of the hypotenuse? A. 1.4 B. 3.8 C. 5.4 D. 10.8 Is the answer D? Thanks
*Thursday, October 23, 2014 at 3:32pm*

**math Help!!!!!!**

Which set represents a pythagorean triple? A.27,38,42 B.33,44,55 C.35,38,42 D.68,72,81 Is the answer D?
*Thursday, October 23, 2014 at 3:08pm*

**Math Help!**

Which set of numbers represents a pythagorean triple? A. 6,9,12 B. 7,10,12 C. 16,18,25 D. 27,36,45 Is the answer A?
*Thursday, October 23, 2014 at 2:50pm*

**math**

how would you calculate teh largest prime number given a number x so for example say someone inputs 8 , the largest prime number is 7.
*Thursday, October 23, 2014 at 2:43pm*

**Math**

123 Inc has a profit margin of 15%. Its total asset turnover ratio is 2 and its dividend payout ratio is 60%. What is the company's internal growth rate? Please show steps
*Thursday, October 23, 2014 at 2:39pm*

**math**

Given: 3x + y = 1. Solve for y. y = -3x + 1 y = -3x - 1 y = 3x - 1
*Thursday, October 23, 2014 at 2:12pm*

**Math**

Given the following information: current assets = $400; fixed assets = $500; accounts payable = $100; notes payable = $45; long-term debt = $455; equity = $300; sales = $450; costs = $400; tax rate = 34%. Suppose that current assets, costs, and accounts payable maintain a ...
*Thursday, October 23, 2014 at 1:59pm*

**Math**

6 rectangular sheets of paper with the demensions of o.5m and 0.8m, if they do not overlap what is the total area covered
*Thursday, October 23, 2014 at 1:02pm*

**Math**

Solve 2x^3y^-3*2x^-1y^-3
*Thursday, October 23, 2014 at 1:00pm*

**Math**

Faucet A fills a sink in 2 hrs. Faucet A and B fill the same sink (together) in 1 hr 15 mins. Faucet B would take how long to fill the sink by itself?" (Faucet B is slower)
*Thursday, October 23, 2014 at 12:34pm*

**Math**

a skateboard with a mass of 1.5 kg moves up a quarter pipe to a height of 5.0 meters. How fast was it moving at ground level?
*Thursday, October 23, 2014 at 12:32pm*

**Math**

Can't get it in my head the following problem. Carol needs 10 panels each being 11feet tall. At $13.75 a yard. How much will it cost to purchase supplies?
*Thursday, October 23, 2014 at 12:27pm*

**statisitcs **

The combined math and verbal scores for students taking a national standardized examination for college admission is normally distributed with a mean of 560 and a standard deviation of 180. If a college requires a student to be in the top 40 % of students taking this test, ...
*Thursday, October 23, 2014 at 11:50am*

**math**

A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the student’s checking ...
*Thursday, October 23, 2014 at 9:43am*

**Math (Functions - Word Problem)**

The numbers d (in millions) of drug prescriptions filled by independent outlets in the United States from 2000 through 2007 can be approximated by the model d(t)= 10.6t + 699, 0 ≤ t ≤ 4 15.5t + 637, 5 ≤ t ≤ 7 where t represents the year, with t=0 ...
*Thursday, October 23, 2014 at 7:18am*

**MATH**

Juan has 28 paperback books. Each book is 1 1/4 inches wide. Will all his books fit on one shelf? If not, how many will fit and how many will have to go on another shelf? If yes, how many more paperback books, if any, will fit on the shelf?
*Thursday, October 23, 2014 at 1:26am*

**math**

Jack used the digits 4,5,6,7 to make the largest and smallest numbers possible. Then he subtracted the 2 numbers and came up with 2,997. What did Jack do wrong?
*Thursday, October 23, 2014 at 1:04am*

**Math**

You plan to make 24 equal quarterly payments (payments are at the end of each period) into an account to pays 8% (per year compounded quarterly). If you need $5,000 at the end of 10 years (i.e. 4 years after the last payment is made into the account), how much would you have ...
*Thursday, October 23, 2014 at 12:40am*

**Math**

You have the following data for the Fosberg Winery. What is Fosberg's return on assets (ROA)? Return on equity = 15%; Earnings before taxes = $30,000; Total asset turnover = 0.80; Profit margin = 4.5%; Tax rate = 35%.
*Thursday, October 23, 2014 at 12:39am*

**Math**

The expression 9a + 6s is the cost for a adults and s students to see a musical performance. A. Find the total cost for three adults and five students. B. find the total cost for four adults and four students.
*Thursday, October 23, 2014 at 12:21am*

**math**

Juan measured the location for the bookcase and realized that his shelves can be no more than 1 3/4 feet wide.What is the maximum number of shelves Juan could build for this new bookcase using the lumber he bought? How many DVD cases will he be able to store on each of the ...
*Wednesday, October 22, 2014 at 11:30pm*

**math**

Juan has 28 paperback books. Each book is 1 1/4 inches wide. Will all his books fit on one shelf? If not, how many will fit and how many will have to go on another shelf? If yes, how many more paperback books, if any, will fit on the same shelf? Explain. plz help asap
*Wednesday, October 22, 2014 at 11:28pm*

**math**

DVD cases are 9/16 inch wide. If Juan has 60 DVDs, how many of them will fit on one shelf? How wide would a DVD case have to be in order for 60 of them to fit on one shelf? Give the answer in feet. help plzz! asap
*Wednesday, October 22, 2014 at 11:26pm*

**Math**

I NEED THE ANSWER NOW PLZZ HELLPPP!! ASAP ASAP!! Juan bought a piece of lumber that is 18 feet long. a. Does he have enough lumber to make the five shelves? If not, how much more does he need? If so, how much will be left over?
*Wednesday, October 22, 2014 at 11:24pm*

**math**

The Murphy family just drove 300 miles to visit their grandparents. Mr. Murphy drove 70 mph for 65% of the trip and 35 mph or less for 20% of the trip that was left. Assuming that Mr. Murphy never went over 70 mph, how many miles did he travel at a speed between 35 and 70 mph...
*Wednesday, October 22, 2014 at 10:49pm*

**math**

The length of the base and the height of a triangle are numerically equal. Their sum is 16 less than the number of units in the area of the triangle. Find the area of the triangle.
*Wednesday, October 22, 2014 at 10:31pm*

**Math**

You have borrowed $135,000 from the bank today. You are required to repay this money over the next six years by making monthly payments of $2,215.10 at the end of each month. What is the quoted interest rate for the loan (with monthly compounding)? Please show me the steps on ...
*Wednesday, October 22, 2014 at 10:21pm*

**math**

draw a model to solve the division problem. The problem is 1 1/2divided by1/4= so I know you make 1 1/2 into3/2 3/2*4/1=6 I know how to do that part but have no idea how to draw a model for it, can you explain it? Thank you
*Wednesday, October 22, 2014 at 10:17pm*

**4th Grade math**

Sonia has 3 bracelets. She wears them all at the same time but in different order each day. How many different bracelet combinations does sonia have to choose from.
*Wednesday, October 22, 2014 at 9:38pm*

**math**

3/4 + 1/9 find each sum
*Wednesday, October 22, 2014 at 9:36pm*

**math word problems **

nilsa is working on a 60 minute math test. there are 20 questions on the test. if it takes her 20 minutes to complete 12 of the questions, what is the greatest amount of time on average she can spend on each of the remaining 8 questions.
*Wednesday, October 22, 2014 at 9:36pm*

**math**

6/12+ 1/3 find each sum
*Wednesday, October 22, 2014 at 9:14pm*

**7th grade math**

consider the inequality 2x+3≤-3. Find the set of all integer solutions of this inequality that are also solutions of the inequality 5x-2<3. Please help I am really confuded
*Wednesday, October 22, 2014 at 9:11pm*

**math**

find each sum 4/8 + 1/2
*Wednesday, October 22, 2014 at 9:11pm*

**math**

Give 3 solutions of the inequality 5x-2>7 ???? what are 3 solutions? # different answers?
*Wednesday, October 22, 2014 at 9:00pm*

**Math**

You are the financial manager at Best Buy where a certain TV set is normally sold for $2,500 and the full purchase price is financed for 30 monthly payments at 24% per year compounded monthly, with the payments made at the end of each month. During Christmas Best Buy is ...
*Wednesday, October 22, 2014 at 8:49pm*

**math**

gracie read 150 pages of a book. the book is 227 pages long which equation shows the amount she still needs to read to finish a story
*Wednesday, October 22, 2014 at 8:32pm*

**math**

is this how you simplify exponents and integers: 10+4^3x2^-2 10+ 1/64 + 1/4 1/64 + 1/4= 1/256 10 + 1/256= 10 1/256 -------------------------------------- ever since I learn this in class, I'm getting more confuse because I keep receiving fraction as an answer.can you tutor...
*Wednesday, October 22, 2014 at 8:31pm*

**math**

paul dad made a turkey potpie for dinner on wednesday. the family ate 4/8 of the pie. on Thursday after school paul ate 2/16 of the pie for a snack. what fraction of the pie remained.
*Wednesday, October 22, 2014 at 8:26pm*

**math**

Tom wants to run 2 1/2 miles on a 2/3mile track how many laps does tom run. I had add 2/3+2/3= 4/3 adding it up to get a 2 1/2 miles but it added. To 2 laps that don't sound right I need help need to have this dome tonight can't figure it out
*Wednesday, October 22, 2014 at 8:24pm*

**math**

the pet shop owner told jean to fill her new fish tank 3/4 full with water. jean filled it 9/12 full. what fraction of the tank does jean still need to fill.
*Wednesday, October 22, 2014 at 8:20pm*

**math**

Item Questions A store’s average monthly revenue for the first three months of the year was $12,000. The average monthly revenue for the entire year was $18,000. What was the average monthly revenue for the last nine months?
*Wednesday, October 22, 2014 at 8:16pm*

**math**

how do you rename 2/5 so you can add it to 11/25 what us the sum
*Wednesday, October 22, 2014 at 8:16pm*

**Math**

6 goggles and 4 snorkels why as the ratio?
*Wednesday, October 22, 2014 at 8:14pm*

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