Monday

September 1, 2014

September 1, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**math**

Carousel Toys has Romper Buckaroos, wooden rocking horses for toddlers, on a 30% markdown sale for $72.09. What was the original price before they were marked down? Round to the nearest cent. $
*Sunday, June 1, 2014 at 2:41pm*

**Math **

A cube has a surface area of 24 ft2. What is the length of one edge of the cube? Show Work Please.
*Sunday, June 1, 2014 at 2:39pm*

**Math**

A monument consists of two cubical blocks of granite, the smaller resting on the larger. The total height of the monument is 5 feet, and the area of the exposed surface is 61 square feet. Find the dimensions of the blocks. Help please>.< Thank you in advance!
*Sunday, June 1, 2014 at 2:02pm*

**Math**

There are 52 coins that consists of pennies, dimes, and quarters. Two stacks have the same number of coins and the third stack has twice as much. The coins equal to $5.98. How many pennies, dimes, and quarters are there? I already found out that two stacks have 13 coins and ...
*Sunday, June 1, 2014 at 1:03pm*

**Math**

Let A be an event with probability P(A). If E[(IA) ^36217] = Var[2(IA + 36217)]. Find P(A)
*Sunday, June 1, 2014 at 12:06pm*

**math**

4. What are the coefficients in the polynomial 7x^2 - 4x + 6? A. -7, 4 B. 7, 4, -6 C. 7, -4, 6 D. 7, -4 7. Suppose you earned 6t + 2 dollars on Monday and 9t - 6 dollars on Tuesday. What were the total earnings? Simplify your answer. A. 15t - 4 B. 15t + 8 C. -3t - 4 D. -3t + 8...
*Sunday, June 1, 2014 at 11:44am*

**Math**

There were 2400 people at a concert.40% of them were men, the rest were women and children.The number of women was 1 2/5 times the number of children.How many more more men than women were there?
*Sunday, June 1, 2014 at 11:07am*

**math**

What is the square feet area of 48Mtrs x 24metrs
*Sunday, June 1, 2014 at 9:33am*

**math**

A team needs to save up $400 for new uniforms and currently has $190. They decide to hold a fundraiser where they can earn $7 in profits for each item sold. What equation could be solved to determine the number, n, of items to be sold?
*Sunday, June 1, 2014 at 1:27am*

**math(urgent)**

During a Merdeka Day celebration,a furniture company marked down the price of a queen size bed by 25%,selling it for $1200. At this reduced selling price,they made a markup of 10% on the selling price. a) find the regular price of bed before marked down. b) find the cost of ...
*Saturday, May 31, 2014 at 11:10pm*

**MATH GEO URGENT**

The ratio of three consecutive angles in a cyclic quadrilateral is 2:3:4. Find the largest angle of the quadrilateral, in degrees.
*Saturday, May 31, 2014 at 9:52pm*

**math**

can you help me on this problem 12*12
*Saturday, May 31, 2014 at 8:03pm*

**math **

how much is a 1/2?
*Saturday, May 31, 2014 at 7:52pm*

**math 1 question!!!!!! **

3. Which ordered pair is NOT a solution of y= –12x – 3? A. (-3, 33) B. (8,-98)<----?? C. (-9, 105) D. (3, -39)
*Saturday, May 31, 2014 at 5:55pm*

**math**

Which is a rule that describes the translation of a point form (4, –8) to (7, –10)? A.(x,y)--->(x+34,y-2) B.(x,y)--->(x+34,y+2) C.(x,y)--->(x-34,y-2) D.(x,y)--->(x-34,y+2) My answer:B
*Saturday, May 31, 2014 at 5:47pm*

**math pls help!!!!!**

these are the few i dont know/im not sure. pls help! The distance from Newtown to Oldtown on the highway is (6x^2 + 2x – 2) miles. Using the back roads, the distance is (5x^2 – 8x – 6) miles. How many miles shorter is the second route? A. 11x^2 + 10x - 8 B. -x^2...
*Saturday, May 31, 2014 at 2:14pm*

**Math**

Rectangular cake pans X and Y are similar. The ratio of the width of pan X to the width of pan Y is 3 : 4. The length of pan X is 10 inches, and its width is 5 inches. What is the perimeter of pan Y ?
*Saturday, May 31, 2014 at 2:01pm*

**math**

6b/3a+b/a
*Saturday, May 31, 2014 at 1:32pm*

**math**

If I make 600$ every 14 seconds, how long would it take me to get 1,000,000$?
*Saturday, May 31, 2014 at 11:48am*

**math**

gail borrowed $3600 from a bank to buy a washing machine she pays back the loan in 24 monthly instalments at a simple interest rate of 2% a)calculate the simple interest on the loan b)the total amount to be repaid c)if gail repays the loan in 24 equal instalments ,find the sum...
*Saturday, May 31, 2014 at 11:21am*

**math**

a swimming pool is 60m long and 25m wide. It is filled with water to a depth of 7m. Find the volume of water in the pool.
*Saturday, May 31, 2014 at 10:13am*

**math**

The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided to offer a $1.00-off ...
*Saturday, May 31, 2014 at 3:46am*

**math**

Bridget Morrow is a sophomore at State College and is running out of money. Wanting to continue her education, Bridget is considering a student loan. Explain her options. How can she best minimize her borrowing costs and maximize her flexibility?
*Saturday, May 31, 2014 at 2:38am*

**math**

how many minutes from 11:35 am till 12:50 pm?
*Saturday, May 31, 2014 at 1:08am*

**math**

At a horizontal distance of 34 meters from the base of a tower, the angle of elevation to the top is 72 degrees. Find the line of sight distance to the nearest meter.
*Friday, May 30, 2014 at 10:56pm*

**BUSINESS MATH**

Dylan's Bicycle Shop offers a new bicycle on sale for $259.92 after a 10% markdown. What was the cost of the bicycle to Dylan if the markup was 30% based on the cost? (Round to the nearest cent.)
*Friday, May 30, 2014 at 9:34pm*

**5th Grade Math**

For their first 60 games the Robins had a record of 28 wins and 32 losses. How many of their next 90 games must they win if their total record is to show twice as many wins as losses?
*Friday, May 30, 2014 at 8:52pm*

**Math HELP**

The number of apples in an apple tree after subtracting by 6, multiplying by 6, dividing by 6, in that calculating order, equals 6. How many apples are on the tree? _________________________________________ Please help me with another :( There is a box of books. Alex ...
*Friday, May 30, 2014 at 8:31pm*

**Math**

Which display is best to determine the relationship between the number of hours worked and the amount of money paid?
*Friday, May 30, 2014 at 6:53pm*

**MATH**

Find the least common denominator of the two rational expressions. 4k 2 ________ + ________ k^2 - 9 3 - k
*Friday, May 30, 2014 at 6:42pm*

**math**

The distance between points A and B is 10 units. If a has coordinates (4,-6) and B has coordinates (-2,y), determine the value of y. Please show work and explain. A.-6 B.-2 C.0 D.1 E.2 This is what I got so far: 10= square root of (4-(-2))^2+(-6-(y))^2
*Friday, May 30, 2014 at 3:28pm*

**Math**

Two concentric circles have radii of 24cm and 26cm. What is the length of the chord that is tangent to the inner circle? I don't understand the tangent, like where do I draw the line?
*Friday, May 30, 2014 at 2:55pm*

**Math**

Graph and identify the coordinates of a rectangle with a length of at least 5 units and a width of at least 2 units. Each vertex of the rectangle must be in a different quadrant. Two of the points must have rational coordinates that are not integers. I'm not sure what to ...
*Friday, May 30, 2014 at 2:27pm*

**math**

43. A phone company charges 10 cents per minute for the first 3 minutes of a call, and 10-cents for each minute thereafter.What is the cost, in cents, of a 10-minute phone call? a. 200-20c b.100c+70 c. 30+7c d.100-7c e. 100-70c please answer and explain
*Friday, May 30, 2014 at 1:52pm*

**math**

When a is divided by 7,the remainder is 4.When b is divided by 3,the remainder is 2.If 0<a<24 and 2<b<8, which of the following could have a remainder of 0 when divided by 8? a. a/b b. b/a c. a-b d. a+b e. ab please answer and explain
*Friday, May 30, 2014 at 1:48pm*

**MATH**

Which of the following ordered pairs represents the solution to the system of equations below? -3x+2y=2 7x-3y=7 [8.EE.8.b] A. (2, 4) B. (4, 7) C. (7, 14) D. (8, 13)
*Friday, May 30, 2014 at 1:37pm*

**math**

what is the rate compounded every 3 months that will make $4770 become $8233 in 3 years ?
*Friday, May 30, 2014 at 8:29am*

**Math**

If $6,700 is invested at 4.6% interest compounded semi-annually, how much will the investment be worth in 15 years?
*Friday, May 30, 2014 at 8:00am*

**Math**

In a family six members eat meat; five members eat fish while two eat both. Calculate the number of members in the family. How do we solve these ones? Hints please...
*Friday, May 30, 2014 at 12:51am*

**History,geography,math lite and tourism**

I am doing grade 11 and i was wondering if you guys can help me found out which jobs i can do if im doing tourism,geography,history and math lite
*Friday, May 30, 2014 at 12:17am*

**math**

a farmer has 400 meters of fence with which to enclose a portion of land. the farmer wants to enclose a rect angular piece of ground that is as large as possible. the land is bordered by water on two sides. There are three options for the farmer Option 1) have two sides ...
*Thursday, May 29, 2014 at 10:16pm*

**math**

write a problem with lengths in feet using the numbers 29 and 56. write the answer to your problem.
*Thursday, May 29, 2014 at 10:12pm*

**math**

Jane has a piece of wood that is 24 inches long. She uses 6 inches for one project and 9 inches for another project. How much wood does Jane have left?
*Thursday, May 29, 2014 at 9:46pm*

**math**

Tyler and Mia join popcorn strings to make a string 84 centimeters. Tyler's popcorn strings is 36 centimeters long. How many is Mia's popcorn string?
*Thursday, May 29, 2014 at 9:42pm*

**math**

Logan measures the height of his rose bushes. One rose bush is 35 centimeters tall. Another rose bush measures 39 centimeters tall. How tall are both rose bushes?
*Thursday, May 29, 2014 at 9:36pm*

**math**

Tyler and Mia join popcorn strings to make 84 centimeters. Tyler's popcorn string is 36 centimeters long. How long is Mia's popcorn string?
*Thursday, May 29, 2014 at 9:30pm*

**math**

Ryan watches 2 bullfrogs jump a total of 39 inches. One bullfrog jumps 22 inches. How far did the second bullfrog jump?
*Thursday, May 29, 2014 at 9:18pm*

**math**

Anna has 16 inches of silver lace and 19 inches of gold lace. How much lace does Anna have?
*Thursday, May 29, 2014 at 9:10pm*

**MATH**

Which of the following numbers is irrational? A 5/9 B 3.15 C /5 D 8.341 I THINK IT A
*Thursday, May 29, 2014 at 8:04pm*

**Math please help**

4(x-3)=5(x+1)
*Thursday, May 29, 2014 at 7:55pm*

**business math**

If the Powershooter 1800 is marked up 58.50 what is the cost and the percent markup cost?
*Thursday, May 29, 2014 at 7:41pm*

**math**

Todd's birthday has the same date as the number of letters in the mouth ( for example May 3). If his birthday is written in this form - mouth/day/14- and the sum of the mouth and the date is greater than the year (14), what is the probability that his birthday is before ...
*Thursday, May 29, 2014 at 7:17pm*

**Math**

Jeff is putting a fence around his rectangular yard. It is 50 feet long and 30 feet wide. The fence posts must be 10 feet apart. How many posts does he need? Draw a picture
*Thursday, May 29, 2014 at 7:06pm*

**Math**

A rectangular rug has a base b and a height h, with a perimeter of 30 feet. Both b and h are both whole numbers between 5 and 10 feet. Fill in the blanks to complete this sentence: The area of the rug is at least _______ but not greater than ______.
*Thursday, May 29, 2014 at 6:53pm*

**Math**

Jake bought a car for $15,000. Each year the value goes down by 30% of its value the previous year. Write the expression that gives the value(V) after (t)years.
*Thursday, May 29, 2014 at 5:42pm*

**Math**

What's the perimeter of a regular pentagon which has the side of length 2x+7?
*Thursday, May 29, 2014 at 5:20pm*

**Algebra, math**

a plan can fly 1200 miles with the wind in 3 hours, while it takes the same plan 4 hours to fly the same distance against the wind. Find the speed of the plan in still air, and the speed of the wind.
*Thursday, May 29, 2014 at 5:20pm*

**Math**

Name the coefficients in the polynomial 4x^2+3x-3 a. 4, -3, -3 b. 4, 3 c. 4, 3, 3 d. -4, -3 I choose d Check it pleaase!
*Thursday, May 29, 2014 at 5:12pm*

**MATH PLZ HELP**

i do not know how to do this question. can someone help me with this question? 7. A jar contains 5 green erasers, 2 striped erasers, 4 pink erasers, and 3 white erasers. You select an eraser at random. What is P(not pink)?
*Thursday, May 29, 2014 at 4:53pm*

**Math**

can someone help me find 1 - 2/7 in fraction not decimal?
*Thursday, May 29, 2014 at 4:30pm*

**math**

if i ran 1/4 of a mile 2/5 and 3/7 how far did i run.please write as a fraction
*Thursday, May 29, 2014 at 4:17pm*

**Math**

How to add matrices that involve improper fractions? I have this assignment and one of the questions were: C= [ 7 11] D= [ 1 0 ] [ -15 3] [ 4 -11/12] This is what I have so far C+D= [ 8 11 ] -11 25/12 So the 25/12, do I keep it that way or do I convert it to a decimal?
*Thursday, May 29, 2014 at 3:53pm*

**math**

chapter integer note ten days minimum and maximum temperature and draw bar graph
*Thursday, May 29, 2014 at 1:20pm*

**math**

If the length of football field is 40 yards ;ass than three times the width. the total area 6400 sq, yards what are the dimensions.
*Thursday, May 29, 2014 at 12:40pm*

**math**

. 3 gal = ____ qt. 22. 5 cups = ____ tsp 23. 15 lb = ____ kg 24. 150 ml = ____ Tbsp 25. 3 qt = ____ oz = _____ tsp
*Thursday, May 29, 2014 at 12:06pm*

**math**

An object is thrown or fired straight upwards at an initial speed of v_0 ft⁄s will reach height h feet after t seconds, where h and t are related to the formula h=-16t^2+v_0 t Suppose the object is fired straight upwards with an initial speed of 800ft⁄s, What is ...
*Thursday, May 29, 2014 at 10:17am*

**math**

please help me this question. 1/a+1/b+1/c=2/1 c¡Ùb¡Ùa find a£¿b£¿c's Positive integer solution please help me thanks
*Thursday, May 29, 2014 at 10:08am*

**math**

please help me this question. 1/a+1/b+1/c=2/1 c¡Ùb¡Ùa find a£¿b£¿c's Positive integer solution please help me thanks
*Thursday, May 29, 2014 at 9:59am*

**Math **

If 5+x, 8, and 1+2x are consecutive terms in an arithmetic sequence, find x.
*Thursday, May 29, 2014 at 8:24am*

**Math**

A doctor prescribes 200 mg of medication on the first day of treatment. The dosages is halved on each successive day for one week. To the nearest milligram, what is the total amount of medication administered?
*Thursday, May 29, 2014 at 8:21am*

**Math**

Miss Emily spent 5/9 of her money on 10 stuffed bears and 5 dolls. She could buy 20 stuffed bears with the rest of her money. What was the ratio of the cost of a doll to the cost of the stuffed bear?
*Thursday, May 29, 2014 at 1:24am*

**math**

A dog starts chasing a cat when they are 12 meters apart. For every 7 meters that the dog runs, the cat runs 4 meters. How far does the dog have to run to catch up to the cat?
*Thursday, May 29, 2014 at 1:22am*

**Math 8th grade**

In(x):2,10,___,__,__,-3,__,___,x Out(y:4,28,13,-17,10,_,2.5,148,3x-2 What's the answer !!!! Help!! ASAP!
*Thursday, May 29, 2014 at 12:49am*

**Math**

Find the sum of the arithmetic series -12-9-6-...39.
*Wednesday, May 28, 2014 at 11:55pm*

**math**

The manager of a tea shop mixes two types of teas to make a specialty blend. Alone, the teas sell for $3.99 and $8.99 per ounce. How many ounces of each type of tea should be used to make 32 ounces of a mixture that sells for $5.99 per ounce?
*Wednesday, May 28, 2014 at 11:49pm*

**Math**

An isosceles triangle has an area A, an apex angle 2 theta, and a height of h. Determine an expression for theta in terms of A and h.
*Wednesday, May 28, 2014 at 10:38pm*

**Math**

A tractor-trailer worth $84 000 depreciates 20% the first year and 10% each year thereafter. How much is it worth after 5 years?
*Wednesday, May 28, 2014 at 10:19pm*

**Math**

How many terms of the series 3+6+12+24+...add to 765?
*Wednesday, May 28, 2014 at 10:05pm*

**math**

In a random sample of 75 individuals, it was found that 52 of them prefer coffee to tea. What is the margin of error for the true proportion of all individuals who prefer coffee?
*Wednesday, May 28, 2014 at 9:49pm*

**math**

Solve the following system of equations. 4x+9y=10 x= 5x+18y=19 y=
*Wednesday, May 28, 2014 at 9:35pm*

**Math Algebra**

Please help. I do not know how to do this. Solve: 2/3x + 4/x = 7/x+1
*Wednesday, May 28, 2014 at 9:32pm*

**Math**

A jar contains 5 red marbles and 3 green marbles. A marble is drawn at random and not replaced. A second marble is then drawn from the jar. Find the probability that both marbles are the same color. I figured out that the probability that both marbles are red is 20/56 and the ...
*Wednesday, May 28, 2014 at 9:12pm*

**Math**

Here are 5 questions I cannot figure out 1. Is every parallelogram a square? 2.Is every rhombus a square? 3. Is every square a rhombus? 4. Is every rectangle a parallelogram? 5. Is every rectangle a rhombus? Thank you so much for answering
*Wednesday, May 28, 2014 at 8:57pm*

**Math**

Draw a concave quadrilateral that is not an arrowhead
*Wednesday, May 28, 2014 at 8:52pm*

**Math**

What is the perimeter of a regular pentagon which has sides of length 2x+7?
*Wednesday, May 28, 2014 at 8:04pm*

**Math **

Is there a case when you might prefer algebraically over graphically solving a system? Why or why not? Think about the type of possible solutions and how the method might affect your choice. My answer: A case when I would prefer a algebraically would be trying to figure out ...
*Wednesday, May 28, 2014 at 7:53pm*

**MATH**

Ido not know how to do this. A jar contains 5 green erasers, 2 striped erasers, 4 pink erasers, and 3 white erasers. You select an eraser at random. What is P(not pink)? (1 point)
*Wednesday, May 28, 2014 at 7:41pm*

**math**

Sam uses an equation to calculate the total number of apples contained in any number of shipping crates. which of the following is an equation? A.n=a∗c<<<<<<<;< is it A B.n≥a∗c C.n≤a∗c D.n÷a∗c
*Wednesday, May 28, 2014 at 7:35pm*

**Math**

James takes a ruler and measures the width of the piece of paper. He find that the actual width is 48.8 cm. Find the width of each strip.
*Wednesday, May 28, 2014 at 7:26pm*

**Math**

James has a square piece of paper. He wants to cut it into strips of equal width. He says, This piece of paper is about 48 cm wide. How can he find the width of each strip without measuring? Is this width accurate?
*Wednesday, May 28, 2014 at 7:23pm*

**math**

Sam uses an equation to calculate the total number of apples contained in any number of shipping crates. which of the following is an equation? A.n=a∗c B.n≥a∗c C.n≤a∗c D.n÷a∗c
*Wednesday, May 28, 2014 at 7:21pm*

**Math**

Marcy paid $35 for 10 kg of raisins. She divided raisins equally into two containers. Then she sold raisins in the first container at $4.50 per kg and those in second container at $5.50 per kg. How much money did Marcy earn after selling all the raisins?
*Wednesday, May 28, 2014 at 7:21pm*

**Math Help**

Plastic tub has capacity of 13.5 quarts. It can hold 3 times as much liquid as a pail. Pail can hold twice as much liquid as can. Find capacity of pail and that of the can in quarts.
*Wednesday, May 28, 2014 at 7:18pm*

**3rdgrade math**

How do I explain how to use multiplication to convert yards to feet? I am not very good at this subject.
*Wednesday, May 28, 2014 at 7:10pm*

**Math Help**

A shop owner bought 30 folders and some journal. He paid @82.50 for the folders. Each journal cost 10 times as much as a folder. What was the cost of each journal?
*Wednesday, May 28, 2014 at 7:03pm*

**Math**

Cos180* - Sin90* + Cot45* - Csc30* - Sec240* - Tan315* How do I do this?
*Wednesday, May 28, 2014 at 6:54pm*

**Math**

A student rented a bicycle for a one-time fee of $12.00 and then a charge of $o.85 per day.She paid $28.15 for the use of the bicycle. How many dats did she keep it?
*Wednesday, May 28, 2014 at 6:40pm*

**Math**

5{3a-2b(3a+6b)+6a}
*Wednesday, May 28, 2014 at 6:37pm*

**math **

There are two roads that connect Emily's house and John's house. Emily told john that she drove 3/4 of the total distance from her house to john's house on one day, but she did not tell him which road she took. A. using the long road, the distance between Emily'...
*Wednesday, May 28, 2014 at 6:29pm*

**math**

Charlie must choose a number between and that is a multiple of , , and . Write all the numbers that he could choose. If there is more than one number, separate them with commas
*Wednesday, May 28, 2014 at 5:33pm*

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