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November 28, 2014

Homework Help: Math

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Recent Math Questions

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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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