# Homework Help: Math

## Branches of Math

## Recent Math Questions

**math**

What is the side length of the smallest square plate on which a 26-cm chopstick can fit along a diagonal without any overhang?

*Friday, February 10, 2017 by Anonymous*

**Math help FAST**

Find the values of x,y, and x = 91Â°; y=51Â°; z = 31Â°*** x = 89Â°; y=91Â°; z = 0Â° x = 60Â°; y=120Â°; z = 31Â° x = 91Â°; y= 89Â°; z = 31Â°

*Friday, February 10, 2017 by InsertNameHere*

**Math**

The land area of Statesville, NC, is 20.5 square miles. If the entire US population (currently about 320.2 million) were put inside the city limits of Statesville, determine the number of square feet that each person would have. Round your answer to two decimal places. [Hint: ...

*Friday, February 10, 2017 by J*

**Math**

You need to buy some chicken for dinner tonight. You found an ad showing that the store across town has it on sale for $2.89 a pound, which is cheaper than your usual neighborhood store, which sells it for $2.99 a pound. Is it worth the extra drive? First, determine what ...

*Friday, February 10, 2017 by J*

**Math**

A 6 inch personal pizza has 630 calories, with 240 of those from fat. A 16 inch pizza is cut into 8 slices. Estimate the number of calories in one slice of a 16 inch pizza.

*Friday, February 10, 2017 by J*

**Math**

It takes a hose 4 minutes to fill a rectangular aquarium 8 inches long, 9 inches wide, and 14 inches tall. How long will it take the same hose to fill an aquarium measuring 24 inches by 27 inches by 31 inches?

*Friday, February 10, 2017 by J*

**Math**

The difference between the simple interest received from two different sources on Rs.1500 for 3 years is Rs.13.50.The difference between their rates of interest is?

*Friday, February 10, 2017 by !*

**Math**

4. Point Q is the midpoint of PS, which of the following completes the statement? PQ=56ft; QS = 28ft 56ft*** 74ft 112ft

*Friday, February 10, 2017 by InsertNameHere*

**Math**

A jug is 3/5 full of juice and if 100 ml is added to it it becomes 2/3 ful. How many literature can the jug hold?? Thanks a lot for hepl

*Friday, February 10, 2017 by Wow*

**Math College freshman**

What is the linear equation for the following table? x h(x) 20 20 40 -100 60 -220 80 -340 100 -460

*Friday, February 10, 2017 by Maritza Rodriguez*

**Math 115**

Calculate the slope and write an equation for the linear function represented by each of the given table. A W 5 30 7 40 W=_?___ I PUT W=5x+5 and W=5+5x BUT IT SAID IT WAS WRONG.

*Friday, February 10, 2017 by Michelle*

**Math**

In the last basketball game, Kevin scored 2 less than a third of his team's points. Part A: Let n represent the number of points Kevin's team scored. Write an expression for the number of points Kevin scored. Part B: Kevin scored 14 points. How many points did the team score

*Friday, February 10, 2017 by Manny*

**Math**

I just want to make sure I'm right. Representing a portion of another portion can be thought of as finding a part of apart. For each of the parts described below figure out what part of the whole is described. for each problem show at least one picture or diagram that helps ...

*Thursday, February 9, 2017 by Jessica*

**Math**

On a centimter dot grid, draw all pissible rectangles with area of 12 sq cm and sides whose length s are whole centimeters. Label the lengths of two adjacent sides of each rectangle.

*Thursday, February 9, 2017 by Chris*

**Math**

How you do multiplication as scaling like 2 1/2 x 3 2/3 3 2/3 I suppose to say if it is <, >, or = Can someone explain how to solve this problem I need to learn how to do it because my daughter is having trouble getting it and I don't know how to do it

*Thursday, February 9, 2017 by Lety*

**Math**

Divide. Use estimation to check. 585 divided by 3 solve

*Thursday, February 9, 2017 by Franky*

**math**

A birch tree that is 4 ft tall grows at a rate of 1 ft per year. A larch tree that is 6 ft tall grows at a rate of 0.5 ft per year. Let the variable t represent time in years and h represent height in feet. In how many years will the trees be the same height? Which system of ...

*Thursday, February 9, 2017 by Jay*

**math**

A certain medicine requires 10 mg per 10 kg of weight. How much medicine is required for a patient that weighs 273 pounds? Round answer to the nearest 10th. Use Unit Abbreviations for Units.

*Thursday, February 9, 2017 by chas*

**Math**

In one hour, Ed used 2/5 of time to complete his homework and 1/4 of the time to check his email. How much time did he spend completing homework and checking email? Write answer as a fraction

*Thursday, February 9, 2017 by Olga*

**math**

I dont quite get these 2 questions off of my homework. - "Complete the equation" (b^2)^0 = b^8 I keep getting one, but its not an answer choice so I know I'm wrong. "Simplify the expression" p(p^-7q^3)^-2q^-3 I think the q's and p's are messing me up.

*Thursday, February 9, 2017 by liam*

**Math**

A store discounted everything by 51%. The sales price of a scarf is $72.89. What was the original cost of the item?

*Thursday, February 9, 2017 by Christian*

**math**

What is the solution of the system of equations? 13x−6y=2 3x−4y=−10 Enter your answer in the boxes.

*Thursday, February 9, 2017 by Jay*

**math**

Solve. 2d−e=7 d+e=5 Use the linear combination method. The solution is (3, −1) . The solution is (4, 1). There are infinitely many solutions. There is no solution.

*Thursday, February 9, 2017 by Jay*

**Math**

You have \$20$20dollar sign, 20 to spend on taxi fare. The ride costs \$5$5dollar sign, 5 plus \$2.50$2.50dollar sign, 2, point, 50 per mile. Let mmm represent the number of miles ridden. Write an inequality to determine how many miles you can ride for \$20$20dollar sign, 20. ...

*Thursday, February 9, 2017 by Anuraj*

**Math**

The average household uses 2 bags of sugar per household per month. Each bag of sugar weighs 10 pounds. Assume that that there are 3 people in each household on average and that the US population is 336 million. How many pounds of sugar does the US consume per year? You can ...

*Thursday, February 9, 2017 by bj*

**Math**

Patrice's car gets 30 miles per gallon. Patrice went on a vacation and used 28.2 gallons of gas for the trip. Patrice rode a bike or the bus after reaching the vacation location, so the car was only used for the drive there and back. How far away was Patrice's destination?

*Thursday, February 9, 2017 by anaya*

**math**

Solve. y=x−8 2x+3y=1 use the substitution method. (4, −4) (5, −3) (2, −6) (0, −8)

*Thursday, February 9, 2017 by Jay*

**Math**

Find the area of an equilateral triangle (not 1/2bh) with sides of... say... 6?

*Thursday, February 9, 2017 by maya*

**Math**

The store usually sells the baskets of fruit for 15 dollars but today they have a 5% discount which is the new price. Please help me i am totally confused on what is going on.

*Thursday, February 9, 2017 by taylor*

**math**

David bought a new refrigerator for $799 and charged it on his credit card. If the card charges 23% simple interest, how much interest would be added after 18 months? Round your answer to the nearest cent. I am new to this can you help explain how to do this too. Thanks!

*Thursday, February 9, 2017 by Anuraj*

**Math**

A car travels 168.75 km in 12.5 litres of petrol . Find the distance travelled by the car in 15 litres

*Thursday, February 9, 2017 by Annika*

**Math**

The weather is reported every 9 minutes on ABC and every 12 minutes on CBS. Both stations broadcast the weather at 1:30. When are the next three times that the weather will be broadcast at the same time on the two stations?

*Thursday, February 9, 2017 by Monse*

**Math**

Mr Shelton is building a fence around the edge of the pool. The pool is 20feet and 16 feet wide. How much feet if fencing will Mr.Shelton need to build around the pool?

*Thursday, February 9, 2017 by Brandon*

**Math**

Rodrigo class also plans to make a wall mosaic with an are of 0.5m square.how many 1cm square tiles will they need for this 0.5m square mosaic

*Thursday, February 9, 2017 by Syeda*

**MATH HELP**

what is the amount owed on a 39$ jacket if the tax rate is 5%

*Thursday, February 9, 2017 by help*

**math**

Put these rational numbers in order: 3(squared), 1 3/2, 2.2, -2 Put these rational numbers in order: 3/8, 1/4, 7/8

*Thursday, February 9, 2017 by G*

**Math**

Five students took a math test. The average score was 82. Four of the students' scores were 76, 85, 90, and 64. What was the fifth student's score?

*Thursday, February 9, 2017 by Monse*

**Math**

So I'm doing this math grade recovery for the Using Probability test here's one At a race car rally, attendees can sit in the bleachers, balcony, or the grass the probability an attendee sitting in the bleachers is 1/4 the probability of an attendee sitting the balcony is 7/16...

*Thursday, February 9, 2017 by ConnexusStudent01*

**math**

what did they say about the man who drank shellac?

*Thursday, February 9, 2017 by daniela*

**Math**

Find the equation of the line that has the same slope as the line through points (0,4) and (-5,7). But goes through point (-6,4) I don't get how to find the equation of the line

*Thursday, February 9, 2017 by David*

**Math**

How to rearrange the given equation for A: [ln(Ao/A)=k*t] * means multiply / means divide ln is the natural log function

*Thursday, February 9, 2017 by Kara*

**math**

A roll of paper towels has a radius of 12 cm and a height of 18 cm. the cardboard tube in the centre has a radius of 5cm. Find the volume of the paper towels So would I do 18-12?

*Thursday, February 9, 2017 by Lacey*

**Math**

A contractor is building a rectangular walkway 3 1/3ft wide by 35ft long using square cement pavers. Each paver has an area if 4/9ft^2. What is the least number of pavers he needs to make the walkway? Can someone explain?

*Thursday, February 9, 2017 by EmberShy*

**math**

the product of a number and 7 is at least 28. write and solve the inequality.

*Thursday, February 9, 2017 by tiffany*

**Math**

Tetras cost $3.99 each. You can spend at most $25. How many tetras can you buy for your aquarium? Can someone explain please?

*Thursday, February 9, 2017 by EmberShy*

**Math/Chemistry**

How to rearrange the given equation for A: ln (Ao/A) = k*t

*Thursday, February 9, 2017 by Kara*

**Math/Chemistry**

How to rearrange the given equation for Ao: ln (Ao/A) = k*t

*Thursday, February 9, 2017 by Kara*

**Math ASAP**

In a survey, one out of three people named blue as their favorite color. Two out of seven named red. If 1,092 people were included in the survey, how many named neither blue nor red as their favorite color? A. 416 people B. 432 people C. 540 people D. 512 people

*Thursday, February 9, 2017 by Bob*

**Math**

Find equation of the line that goes through (11,5) with slope m= 2/7

*Thursday, February 9, 2017 by Malcom*

**Math**

Find th equation of the line that goes through (3,8) and (5,-8) I got X = 3 But it doesn't seem right

*Thursday, February 9, 2017 by Kathy*

**Math**

By letting x=5^y, show that the equation p5^y + 5^-y = 5 can also be written as px^2-5x+1 = 0

*Thursday, February 9, 2017 by Grace*

**math**

What is the order of 1.1 × 10, 1.2 × 10−, 1.7 × 10−, and 1 × 10 from least to greatest?

*Thursday, February 9, 2017 by coolcat*

**Math**

You are throwing darts at a dart board. You have a 1/6 chance of striking the bull's-eye each time you throw. If you throw 3 times, what is the probability that you will strike the bull's-eye all 3 times?

*Thursday, February 9, 2017 by CAlvin*

**Math help FAST**

I need you guys to check my answers, please. I need an A so bad, all help is appreciated, thanks. Also, I can't put links :( 1.Lucy drew an isosceles triangle as shown If the measure of YZX is 25Â° what is the measure of XYZ? 50Â° 75Â° 130Â°*** 310Â° 2.The ...

*Thursday, February 9, 2017 by InsertNameHere*

**Math**

Your goal is to take at least 10000 steps per day. According to your pedometer, you have walked 5274 steps. Write and solve the inequality to find the possible numbers of steps you can to reach your goal. Can someone explain how to do this?

*Thursday, February 9, 2017 by EmberShy*

**math HELP PLEASE**

write a ratio and percent for the shaded area

*Thursday, February 9, 2017 by Faith Fussell*

**Math**

The revenue from the sale of a product is, in dollars, R = 1500x + 3000(2x + 3)^−1 − 1000 where x is the number of units sold. Find the marginal revenue when 150 units are sold. (Round your answer to two decimal places.)

*Thursday, February 9, 2017 by KeAndre*

**Math**

if 14 out of 20 people like hot chocolate milk what percent of the people do not like chocolate milk

*Thursday, February 9, 2017 by Auset Bligen*

**Math**

Jackson made a poster in the shape of a quadrilateral. Each pair of opposite sides of the poster are congruent and parallel. Which of the following names best describes the shape of Jackson’s poster? square rhombus rectangle** trapezoid please help fast!

*Thursday, February 9, 2017 by InsertNameHere*

**math**

a plot of land is bought for $40000 and is appreciated by 7% each year what is the value of the land after a period of two years

*Thursday, February 9, 2017 by nefe*

**Math**

If anyone wants to know whta the answer to this question is the new here it is an air plane travels 226 miles in 2 hours. At that rate how far will the airplane plan travel in 8 hours. 904 is the answer

*Thursday, February 9, 2017 by Caeli*

**math**

If g(x)=x+3 h(x)=9-x^2, what is the maximum of h(g(x))?

*Thursday, February 9, 2017 by Rachel*

**Math**

If cscØ = 4/3, find sinØ + sinØ cot^2 Ø

*Thursday, February 9, 2017 by Rachel*

**MATH**

the empire state building in new york is 1250 feet tall it has 103 floors rounded to the nearest whole what is the height of each floor?

*Thursday, February 9, 2017 by NEED HELP*

**Math**

Find the fifth term in the expansion of (4-1/5x)^9 in ascending powers of x

*Thursday, February 9, 2017 by Alice*

**math**

A raffle contains 200 tickets, two of this 200 tickets are the 1st and 2nd price, if i were to buy 5 tickets, what is my probability of winning 1st price? and what would be my probability of winning both 1st and 2nd price? Im thinking the answer to winning 1st prize is 5/200, ...

*Thursday, February 9, 2017 by Jaythan*

**Math**

Aaron and ron are brothers. four years later,ron will be twice as old as aaron. Find their present ages

*Thursday, February 9, 2017 by Khushi bilki*

**Math**

With the 20% off coupon, Alexis received a discount of $15 on her shoes. What was the regular price of her shoes before the 20% off coupon was applied? Justify your answer using equations, models, and/or words to explain your mathematical reasoning.

*Thursday, February 9, 2017 by Don't need to know. Sorry*

**Math**

Thehe sum of the ages of Dorothy and Darlene is 41. In 5 years, Dorothy will be twice as old as Darlene. Find their ages 3 years ago.

*Thursday, February 9, 2017 by Lei*

**Math**

Thehe sum of the ages of Dorothy and Darlene is 41. In 5 years, Dorothy will be twice as old as Darlene. Find their ages 3 years ago.

*Thursday, February 9, 2017 by Anonymous*

**Aice Math**

The binomial expansion of (5-x/2)^6 is 15625 + px+qx^2+... Find the value of "p" and the value of "q"

*Thursday, February 9, 2017 by Alice*

**Math**

In the expansion of (x^2-b/x)^4, the coefficient of x^2 is 294. Find the value of the constant "b"

*Thursday, February 9, 2017 by Alice*

**Math**

The simple interest on a sum of money is 1/9 of the sum.The number of years is numerically equal to the rate percent per annum. The rate percent per annum is?

*Thursday, February 9, 2017 by AnnA*

**Math derivatives**

Develop a rule for the following: Dx[f(x)g(x)/h(x)]

*Thursday, February 9, 2017 by Anonymous*

**Math - Derivatives**

Find all points on the graph of y=1/4x^4+2/3x^3-5/2x^2+6x+7 where the slop of the tangent lins is 12.

*Thursday, February 9, 2017 by Anonymous*

**Math**

The total cost of producting x radio sets per day is (1/4x^2 + 35x + 25) dollars. The price per set at which they may be sold is ( 50 -1/2x) dollars. What should be the daily output be to obtain the maximum profit? Help!!!

*Thursday, February 9, 2017 by Sara*

**Math**

Write 13/14 as a percent. Write the remainder in fractional form. I know that 13/14 as a decimal would be 92.857143 and as a percent around 92.86% my question is what would the remainder be and how to write it in fractional form?

*Wednesday, February 8, 2017 by zae*

**Math**

The wood framing for an art canvas costs $4.84 per foot. How much would the wood framing cost for a rectangle picture that measures 4 ft by 6 ft?

*Wednesday, February 8, 2017 by ZAE*

**Math**

The perimeter of the parallelogram is 102 feet. Find m. Write your answer as a decimal or mixed number. The top is 3m. the side is m.so would the top & bottom would be 6m and the sides would be 1m each which would make the answer m=8

*Wednesday, February 8, 2017 by Judith*

**Math**

For every quart of lemonade jackie makes she adds 2 lemons how many quarts of lemonade did jackie make if she used 12 lemons

*Wednesday, February 8, 2017 by Shany*

**Math**

Use digits 0 through 9, without using a digit more than once, so that you can make the following reduce to a solution of x < -1/2 How do I do this? Please help, I am confused.

*Wednesday, February 8, 2017 by Maya*

**math**

in triangle ABC angle B =90 and BD PERPENDICULAR AC proof that angle ABD =angle ACB

*Wednesday, February 8, 2017 by mayank kumar*

**Math**

For the following questions the US population in 2008 was 304 million. Round each answer to the nearest 10th of a million. How big was the Labor Force in November 2008? What was the size of the Labor force in the previous month? What was the size of the labor in year before?

*Wednesday, February 8, 2017 by Akira*

**Math**

For the following questions the US population in 2008 was 04 million. Round each answer to the nearest 10th of a million. How big was the Labor Force in November 2008? What was the size of the Labor force in the previous month? What was the size of the labor in year before?

*Wednesday, February 8, 2017 by Akira*

**Math**

Miss has three times as many markers and colored pencils the total number of markers and colored pencils is 84 how many workers does Miss have

*Wednesday, February 8, 2017 by Jocelyn*

**Math**

If you have a line intersecting at (3,6). What equation would represent both lines?

*Wednesday, February 8, 2017 by Davis*

**math**

Simon owns a small car wash and detailing center. He charges $12 per wash. He pays each of his two employees $12 per hour. The employees each work 40 hours per week. Simon's other costs amount to $450 per week. Simon wants to earn an average profit of at least $3.25 per wash ...

*Wednesday, February 8, 2017 by Judy*

**math**

Without using a calculator, choose (a) the larger of cos 40 and cos 50; (b) the larger of sin 40 and sin 50. Be prepared to explain your reasoning.

*Wednesday, February 8, 2017 by Grace*

**Math**

The volume of seed in a bird feeder is represented by the equation V = 12(24-h) Q: Make a table of ordered pairs (h,V)

*Wednesday, February 8, 2017 by Math*

**math**

A car travels at a constant speed of 56 miles per hour. How far will it travel in 45 minutes and 45 seconds?

*Wednesday, February 8, 2017 by Anonymous*

**Math**

you lave a line intersecting at (3,6) what would represent the two lines?

*Wednesday, February 8, 2017 by Davis*

**Math**

A flagpole casts a shadow 17 m long. The angle of elevation from the tip of the shadow to the top of the flagpole is 58 . How high is the flagpole to the nearest decimal?

*Wednesday, February 8, 2017 by Juanita*

**Math (calc)**

An open box with a square base is to have a volume of 12ft^3. Find the box dimensions that minimize the amount of material used. (round to two decimal places). it asks for the side length and the height. Please help asap due in a few hours. Thank you

*Wednesday, February 8, 2017 by Kyle*

**Math 8th grade**

How would I set up this problem to solve it: Gene offers 30 mins. and 60 mins. driving lessons. He gave 8 lessons that lasted 7 hours. How many 60 minute lessons did he give?

*Wednesday, February 8, 2017 by Davis*

**Math**

Travis is 19 years older than his sister Linda. In 4 years, he will be twice as old as Linda. How old is each of them now?

*Wednesday, February 8, 2017 by Anonymous*

**math**

Suppose the amount of algae in pond triples every day. After 12 days the pond is complete with algae. I believe that on day 4 the pond is 1/3 of the way full. Am i correct?

*Wednesday, February 8, 2017 by belem*

**Math@@**

How do I solve v + 17 -11= 65

*Wednesday, February 8, 2017 by Kim*

**math**

Fred has 3 times as many dimes as quarters. How many dimes does he have if the value of all the coins is $3.85?

*Wednesday, February 8, 2017 by Tammy*

**Math**

whats 9+10?

*Wednesday, February 8, 2017 by RANDOM*

**Math**

The length of a rectangle is 1 m more than twice its width. What is the length of the rectangle if its perimeter is 110m?

*Wednesday, February 8, 2017 by Kim*