Thursday

April 24, 2014

April 24, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**Help me with this math ms sue.**

Multiple Choice 1. Calculate the slant height for the given cone. Round to the nearest tenth. cone (1 point) 10.2 cm 11.4 cm 9.8 cm 12.0 cm 2. Calculate the slant height for the given cone. Round to the nearest tenth. cone (1 point) 11.2 cm 12.5 cm 14.8 cm 11.4 cm 3. Calculate...
*Thursday, February 27, 2014 at 6:31pm*

**math**

A basket ball player who makes a basket Scores 2 points for her team tanya Made 9 baskets in the game.
*Thursday, February 27, 2014 at 6:26pm*

**math**

Which of the following best describes the equation below? y= -7x + 6 answers choices are: A. relation only B. neither a relation nor a function C. function only D. both a relation and a function
*Thursday, February 27, 2014 at 5:30pm*

**math**

Marco has 3/4 pint of hot chocolate He is pouring it into cups that each hold 3/8 pint. How many cups can he fill
*Thursday, February 27, 2014 at 5:23pm*

**math**

What would you do first to order the following numbers from least to greatest? 30%, 2/3, 0.67, 8/9, 0.7
*Thursday, February 27, 2014 at 5:15pm*

**math **

In new Your a taxi costs 72 cents for the first 1/10th of a mile and 15 cents for every additional 1/10th mile. How much does it cost to drive 6 miles? Set up and solve? I do not understand how you got this answer...can you explain? .72+ .15(6-.1).1 = $9.57 When I work the ...
*Thursday, February 27, 2014 at 5:08pm*

**Math**

Leah is buying curtains for her bedroom window. She wants the curtains to hang from the top of the window to the floor. The window is 4 feet high. The bottom of the window is 2 1/2 feet above the floor. What curtain length should Leah buy? a) 72 inches b) 78 inches c) 84 ...
*Thursday, February 27, 2014 at 4:39pm*

**math**

Use 17 connecting cubes to make a kitchen model. Model is is the shape of rectangle and is one cube high. How many different ways to make the model?
*Thursday, February 27, 2014 at 4:38pm*

**math**

what's the diffrence between 6z and z6?
*Thursday, February 27, 2014 at 4:21pm*

**Math**

perimeter of a rectangular shap is 960 ft. The shortest side is 150ft. What is the length of the longest sides?
*Thursday, February 27, 2014 at 3:32pm*

**math**

t vakye us +3.28 and the critical value of t is +2.048 what does this mean? and would the null be rejected
*Thursday, February 27, 2014 at 3:17pm*

**math**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*Thursday, February 27, 2014 at 3:15pm*

**Math**

Robin has $6.20 in nickels and quarters. If the nickels were quarters and the quarters were nickels, he would have $3.20 more. How many quarters does Robin have?
*Thursday, February 27, 2014 at 3:12pm*

**Math**

x^2 + x^2 = ?
*Thursday, February 27, 2014 at 3:00pm*

**Math ~ Check Answers ~ASAP**

Select the numbers that divide exactly into 965, without a remainder. 2 ***** 4 ****** 5 ****** 10 100
*Thursday, February 27, 2014 at 2:54pm*

**math**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*Thursday, February 27, 2014 at 2:05pm*

**math**

What is the length of the shortest side of the room if the area is 240 sq ft and the longest side of the room is 20 ft?
*Thursday, February 27, 2014 at 2:04pm*

**math. Somebody help urgently please**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*Thursday, February 27, 2014 at 2:01pm*

**math**

If n=-8, what is the smallest perfect square that is greater than n^2 ? a. 64 b. -64 c. 81 d. -81 e. 16 please answer and explain
*Thursday, February 27, 2014 at 1:59pm*

**math**

Compute the number of vinyl tiles, measuring 28 inches on each side, needed to tile a kitchen measuring 102 ft. by 18 ft.
*Thursday, February 27, 2014 at 1:52pm*

**math**

A math problem in a workbook says to write a number sentence you could solve using these doubles. 35+35 The answer is supposed to be ____ + ____ = ____ What is the answer they are looking for???
*Thursday, February 27, 2014 at 1:36pm*

**Math**

Please help me with this!! The actual length of the picnic table is 180cm with legs 60cm. What is the scale factor for this diagram?
*Thursday, February 27, 2014 at 12:41pm*

**math**

24. two stores carry a similar stereo for the same original price of $573. one store offers a 16% discount and the second store sells the stereo for 458.40. which store gives the bigger percent discount? Justify your answer. ( 4 points)
*Thursday, February 27, 2014 at 12:29pm*

**Math**

I have a drawer which contains 40 socks in the following numbers and colors: 12 tan, 9 brown, 11 gray, and 8 blue. Suppose I am blindfolded. What is the fewest number of socks I must pick from the drawer to be absolutely certain that I have two socks of the same color among ...
*Thursday, February 27, 2014 at 11:50am*

**math**

calculate the nominal interest per annum if the effective rate was 11.4% p.a compounded half yearly for 5 years
*Thursday, February 27, 2014 at 11:45am*

**Math**

-3x(2x - 5) Is this -6x + 15x?
*Thursday, February 27, 2014 at 11:29am*

**Math 102**

A wholesaler buys plastic lamps for $18 each and sells them for $30.60. What is the percent markup based on cost
*Thursday, February 27, 2014 at 11:03am*

**math**

Calculate (a) the total installment price, (b) the carrying charges, and (c) the number of months needed to save the money at the monthly rate to buy the item below for its cash price (remember to round up). A bicycle with a cash price of $500, offered on the installment plan ...
*Thursday, February 27, 2014 at 11:03am*

**math**

The inequality 10x + 20y > 500 models all of the combinations of scores of 10 and 20 points that will give a total greater than 500 points in a game. What is not true about the values for x and y?
*Thursday, February 27, 2014 at 10:52am*

**math**

karl has 52 ice cream sticks he wants to make 8 towers each of which use 32 sticks how many more stick does karl need
*Thursday, February 27, 2014 at 10:30am*

**URGENT HELP WITH DISCRETE MATH PLEASE**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*Thursday, February 27, 2014 at 8:35am*

**Math**

A rocket is launched into the sky on a windy day. The rocket has a vertical velocity of 15 m/s. There is a strong wind blowing east to west at 35 m/s. How far from the start point is the rocket after 60 seconds?
*Thursday, February 27, 2014 at 7:38am*

**math**

A mother can make good cakes and pies. If she bakes 2 chocolate cakes and 1 apple pie, and then cuts them into 8 pieces each how many pieces would a family of 4 get altogether
*Thursday, February 27, 2014 at 6:58am*

**Math**

Another variety of R&Ns has a different set of magical (yet mathematical) properties. Remove exactly 4 candies and 1 additional candy appears in the bag. According to the package, a bag contains 50 candies. What is the maximum number of canies that this variety of R&Ns will ...
*Thursday, February 27, 2014 at 6:25am*

**Math**

R&N is a new candy with magical (yet mathematical) properties. Not all candies are the same size. When removing the largest R&N from a new bag, the bag becomes 1/2 full; removing the second largest makes the bg 1/3 full; removing the third largest makes it 1/4 full, and so on...
*Thursday, February 27, 2014 at 6:24am*

**math**

My mother has 4 children. The youngest is 3 and the oldest is 7. What is a reasonable total of all 4 childrens ages added together? a. 14 B. 10 C. 20 D. 25
*Thursday, February 27, 2014 at 6:14am*

**math**

My mother and I have beautiful children. My mother bas 3 kids while I have 3/4 fewer children than her. How many children would I have?
*Thursday, February 27, 2014 at 6:12am*

**URGENT! discrete math help please**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*Thursday, February 27, 2014 at 5:29am*

**math help**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*Thursday, February 27, 2014 at 4:49am*

**Math**

find the value of x in x^2-x-12=0
*Thursday, February 27, 2014 at 3:47am*

**math**

the base of a solid right prism is a triangle whose sides are 9 cm,12cm,15cm. the height of the prism is 5 cm. then find the total surface area of the prism is?
*Thursday, February 27, 2014 at 3:29am*

**Life sciences,geography,business studies,pure math**

What career can I follow if I'm doing the following subjects?
*Thursday, February 27, 2014 at 2:47am*

**math**

using a ruler and a pair of compass only construct a quadrilateral PQRS, given that PQ=5 CM, angle PQS=30 degree, angle QPS=105 degree, PR=9 cm and RS=RQ.measure angle QRS and RS -
*Thursday, February 27, 2014 at 2:35am*

**Business Math**

A local Barnes and Noble paid a $79.33 net price for each calculus textbook. The publisher offered a 10% trade discount. What was the publisher’s list price? (Round your answer to the nearest cent.)
*Thursday, February 27, 2014 at 1:14am*

**Math**

state the smallest interval for 5 sin theta to produce a complete graph.
*Thursday, February 27, 2014 at 12:21am*

**college math**

Suppose you deposit $103,000 into an account paying 7.5% simple annual interest, and that you won't touch the account until it holds $1,000,000. How long must you wait?
*Wednesday, February 26, 2014 at 10:50pm*

**Math**

parallel to 3x - 4y + 4 = 0 with the same x-intercept as y = 1/2 x -4
*Wednesday, February 26, 2014 at 10:44pm*

**math**

Suppose you deposit $4900 into an account paying 0.025% simple daily interest and leave it there for one year. Assuming that you make no other deposits or withdrawals, how much will the account hold at the end of that time? Assume that a year is 365 days.
*Wednesday, February 26, 2014 at 10:44pm*

**math**

The Sweet Candy Shop buys 600 pounds of chocolate covered strawberries at $5.59 per pound. If a 10% spoilage rate is anticipated, at what price per pound should the strawberries be sold in order to achieve a 60% markup based on cost?
*Wednesday, February 26, 2014 at 10:43pm*

**math**

My mother loves pink roses. On mothers day I planned om buying her a half dozen roses for $20.00 but I noticed a sign that read, special, get your mother a rose for $3.00 each. How much would I save if I went with the special?
*Wednesday, February 26, 2014 at 10:25pm*

**Math**

Felix writes the number 15.205. Then he writes another number in which the digit 2 has 1/10 the value as it has in the first number. Which could be the second number he writes?
*Wednesday, February 26, 2014 at 10:23pm*

**math**

My mother was 21 when I was born. Now she is 63 years old. How old would I be now?
*Wednesday, February 26, 2014 at 10:18pm*

**Liberal Arts Math II**

Choose one of the following statements to complete the sentence. Discuss your reasoning for your selection. Euclid’s treatment of the fifth axiom... A) ... shows that it is important to question the nature of the assumptions that are made. B) ... is now known to be wrong...
*Wednesday, February 26, 2014 at 9:07pm*

**Math**

Another variety of R&Ns has a different set of magical (yet mathematical) properties. Remove exactly 4 candies and 1 additional candy appears in the bag. According to the package, a bag contains 50 candies. What is the maximum number of canies that this variety of R&Ns will ...
*Wednesday, February 26, 2014 at 8:56pm*

**Math**

R&N is a new candy with magical (yet mathematical) properties. Not all candies are the same size. When removing the largest R&N from a new bag, the bag becomes 1/2 full; removing the second largest makes the bg 1/3 full; removing the third largest makes it 1/4 full, and so on...
*Wednesday, February 26, 2014 at 8:55pm*

**math**

Jason left home at 6:12 pm on march 25. He arrived back home 36 hours and 12 minutes later. What time did he arrive home?
*Wednesday, February 26, 2014 at 8:54pm*

**Math**

joe has a farm with 99 animal, four times as many cows as horses, twice as many horses as pigs. how many cows, horses and pigs are there?
*Wednesday, February 26, 2014 at 8:40pm*

**math**

sayed gave an answer of 6 6/7 for the problem 4 2/7 times 1 3/5, is this a reasonable answer
*Wednesday, February 26, 2014 at 8:26pm*

**math**

17.Given that 3•2 = 9, 2•6 = 64, 1•7 = 1 and 4•4 = 256. What is the value of 10•5? A)50 B)100 000 C)5000 D)5 plz explain how you get this answer i am studying the sample questions for the math olympics tommorow so i need to know what they will be like.
*Wednesday, February 26, 2014 at 8:24pm*

**math- calculus**

You will often see proj (Vector a onto Vector b) written as projb⃗ a⃗ .Show that projb⃗ a⃗ =(a⃗ ⋅b⃗/ b⃗ ⋅b⃗ )*b⃗ .
*Wednesday, February 26, 2014 at 8:11pm*

**math --- can someone help me pls?**

can anyone help me with these 2 questions pls? Calculate the slant height for the given cone. Round to the nearest tenth. (1 point) Diameter = 8 Height = 9 10.2 cm 11.4 cm 9.8 cm 12.0 cm Calculate the length of the diagonal for the given rectangular prism. Round to the nearest...
*Wednesday, February 26, 2014 at 8:03pm*

**Math**

Bill had homework in social studies literacy and mathematics he's spent one fifth of his time on social studies and one third of his time on literacy bill estimated That he spent one 8 of his time on both social studies and literacy homework
*Wednesday, February 26, 2014 at 8:03pm*

**Math**

chita is 3 3/4 years younger than pablo if you multiply chita age ny 4 the answer is 43. how is Pablo
*Wednesday, February 26, 2014 at 8:00pm*

**Math**

Write an expression for the calculation. Divide 15 into thirds and subtract from 14 divided in half
*Wednesday, February 26, 2014 at 7:40pm*

**Math**

Two friends cut a large candy bar into equal pieces Harriet ate 1/4 of the pieces nisha ate 1/2 of the remaining pieces 6 pieces were left over how many pieces was the candy bar originally divided into
*Wednesday, February 26, 2014 at 7:10pm*

**Math**

if you are given two points and the slope formula of m=(y1-y2)/(x1-x2), does it matter which point is (x1, y1) and which point is (x2, y2)?
*Wednesday, February 26, 2014 at 6:35pm*

**math **

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*Wednesday, February 26, 2014 at 5:49pm*

**math help**

3. 5(x-3)=40
*Wednesday, February 26, 2014 at 5:31pm*

**math**

2. 8-2x= 32
*Wednesday, February 26, 2014 at 5:30pm*

**math**

1. 4x-3=45 2. 8-2x= 32 3. 5(x-3)=40
*Wednesday, February 26, 2014 at 5:19pm*

**math**

Isaiah walks 3 miles due north, turns and then 5 miles due east. How far is he from his starting point?
*Wednesday, February 26, 2014 at 5:13pm*

**Math**

Tickets for the July 4th parade and picnic cost $5.00 for adults and $3.50 for children. A total of 900 tickets were sold for $3,750. How many of each type of ticket were sold?
*Wednesday, February 26, 2014 at 5:03pm*

**Math**

Find the equation in slope-intercept form of the line having m = -3 and y-intercept of (0, 2)
*Wednesday, February 26, 2014 at 4:48pm*

**Math xc**

I've tried and tried to answer this question..I just hate math and math hates me. So let's get to the point why you are all here 1:Find the unit price for each option below. Round to the nearest cent when necessary. Indicate which option is a better buy. Option 1: 10 ...
*Wednesday, February 26, 2014 at 4:34pm*

**Math**

Convert theta = pi/4 to rectangular equation
*Wednesday, February 26, 2014 at 4:24pm*

**Math 7**

Simplify the expression below (5n^3)^2
*Wednesday, February 26, 2014 at 4:05pm*

**math(algebra)**

given the function T(z)=z - 6, find T(-4) answer choices are: A. -10 B. -2 C. 2 D. 10
*Wednesday, February 26, 2014 at 3:58pm*

**math**

which figures will always be similar to each other? A.two rectangles B.two trapezoids C.two equilateral triangles D.two hexagrams
*Wednesday, February 26, 2014 at 3:43pm*

**Theory of Computation- Math - Context free grammar**

Write a context-free grammar for the following language. Start with an English statement of the language, and give five good strings. x1#x2# .. #xk, k ≥ 1, for some i and j: xi = xj^R, Σ = {a, b, #} (notes: xi’s contain a’s and b’s only, #’s ...
*Wednesday, February 26, 2014 at 3:34pm*

**Math**

A canoe rental company charges $40 to rent a canoe plus $12 an hour. How much would it cost to rent a canoe for X number of hours?
*Wednesday, February 26, 2014 at 2:19pm*

**Math Lengths**

order the lengths from least to greatest. 305cm, 31km, 3m, 35dm
*Wednesday, February 26, 2014 at 2:18pm*

**math**

the daily wages of a man is 60 and that of a boy is 35. if the daily wages of total 20 men and boys is 900. find the number of men.
*Wednesday, February 26, 2014 at 2:18pm*

**Math**

Im working on "Finding the Area and Circumference of a circle" I have a question. Is the circumference half of the area? I was looking at my brothers math book, this is what it shows. C=πr2≈ 2(3.14)(4)≈ 25.1 A=πr^2≈ 3.14(4^2)≈ 50.2 ...
*Wednesday, February 26, 2014 at 2:10pm*

**math**

y=2x+6
*Wednesday, February 26, 2014 at 2:08pm*

**Math**

Why animals and plants are found on earth but are not on other planets of the solar system? Please ,,help me
*Wednesday, February 26, 2014 at 12:11pm*

**math**

directions: rewrite each sentence using parentheses to make it true. 1.) 4x6+2-6=26
*Wednesday, February 26, 2014 at 10:59am*

**Math**

What does a net of a cylinder look like?
*Wednesday, February 26, 2014 at 10:00am*

**MATH ALGEBRA**

f(x)=6x^3+19x^2+8x-5 find all the zeros of the given function
*Wednesday, February 26, 2014 at 9:34am*

**math**

200 people attended a party. Ninety-nine percent of the people were FSU fans. After some people left the party, 98% of the people left were FSU fans. How many people left the party?
*Wednesday, February 26, 2014 at 8:53am*

**math**

what is the cost of the lumber if the thickness is 2',width is 12',lenght is 120' if the price per board foot is 80 pesos
*Wednesday, February 26, 2014 at 7:42am*

**discrete math help please**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*Wednesday, February 26, 2014 at 6:57am*

**Math**

Another variety of R&Ns has a different set of magical (yet mathematical) properties. Remove exactly 4 candies and 1 additional candy appears in the bag. According to the package, a bag contains 50 candies. What is the maximum number of canies that this variety of R&Ns will ...
*Wednesday, February 26, 2014 at 6:12am*

**Math**

R&N is a new candy with magical (yet mathematical) properties. Not all candies are the same size. When removing the largest R&N from a new bag, the bag becomes 1/2 full; removing the second largest makes the bg 1/3 full; removing the third largest makes it 1/4 full, and so on...
*Wednesday, February 26, 2014 at 6:11am*

**4TH GRADE MATH**

MS T BOUGHT CUPCAKES FOR HER 3RD GRADE CLASS. MS. CASA BOUGHT TWICE AS MANY CUPCAKES AS MS T, AND 4 TIMES AS MANY CUPCAKES AS MS. G. MS. G BOUGHT 241 CUP CAKES. A. HOW MANY CUPCAKES DID MS T BUY? B. MS.. B CAME LATE TO THE PARTY AND HALF OF THE CUPCAKES HAD ALREADY BEEN EATEN...
*Wednesday, February 26, 2014 at 5:03am*

**math**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*Wednesday, February 26, 2014 at 4:16am*

**math**

Ms. Jones bought 1 pound of banana chips for her 4 children. she want to give each of them equal amounts. Can you help her figure out how much she should give each of them.
*Tuesday, February 25, 2014 at 11:41pm*

**Math**

Solve the following for x X^2+14x+4=0
*Tuesday, February 25, 2014 at 10:12pm*

**Math**

Give exact and approximate solutions to three decimal places. X^2-5x+3=0
*Tuesday, February 25, 2014 at 10:10pm*

**math**

On the first day of fishing season, 70% of the 125 people fishing caught fish. Find what percent of the people caught fish.
*Tuesday, February 25, 2014 at 10:03pm*

**math**

3-6x+8x=9
*Tuesday, February 25, 2014 at 9:41pm*

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