# Homework Help: Math

## Branches of Math

## Recent Math Questions

**Math**

A high fountain of water is located at the center of a circular pool as shown in the figure below. Not wishing to get his feet wet, a student walks around the pool and measures its circumference to be 19.0 m. Next, the student stands at the edge of the pool and uses a ...

*Monday, January 23, 2017 by Kenny*

**6th grade math Variables and ratios**

I need help I don't know where to start or what to do I need guidance. Triangle A,B, and C have the ratio of the sides of triangle A to triangle B is the same as ratio of the sides of triangle B to triangle C. Triangle A has a base of 5 , Triangle B shows no base # , Triangle ...

*Monday, January 23, 2017 by Jessica*

**math**

In a class, 4/5 of the girls have brown hair. Of the brown-haired girls, 3/4 of the have long hair. Of the girls with long brown hair, 1/3 of them have green eyes. How many of of the girls with long brown hair have green eyes. 3/5 * 1/3?

*Monday, January 23, 2017 by paige*

**Math**

An airplane flies for 3 hours with a constant speed of 696 km/h and then for another 1 hour 40 minutes with a constant speed of 1080/h. What distance did it go?

*Monday, January 23, 2017 by Carlos Omar*

**Math**

use absolute value to describe the relationships between a point total and the number of points needed?

*Monday, January 23, 2017 by Caden*

**Math (Pre algebra )**

Paul's car gets 32 miles per gallon of gasoline. How many gallons does he need to travel 368 miles?

*Monday, January 23, 2017 by Jayden*

**math**

how do you simplify square roots that end with a decimal to make it look like 3√2? i think its called a radical?

*Monday, January 23, 2017 by maya*

**Math**

jeff has 12 more toy cars than toy trucks. In all, he has 19 toy vehicles. How many toy trucks does Jeff have?

*Monday, January 23, 2017 by JB*

**Math**

How do you divide a polynomial function by another polynomial function.

*Monday, January 23, 2017 by pj*

**math**

Five divers found three chests of coins. they decided to divide the treasure evenly. what portion of the chest would each one get ?

*Monday, January 23, 2017 by kaylee*

**math**

if there are 24 students and 5 less girls than boys , how many girls are in the class. I don't think there is a solution to this.

*Monday, January 23, 2017 by Bre*

**Math**

Marcus plays basketball for nine hours each week his friend Louis spends 5/6 as much time playing basketball who plays more basketball? I think you multiply 9x5/6, is that correct?

*Monday, January 23, 2017 by Anonymous*

**Math**

A shipping box shaped like a rectangular prism has a height of 6ft and a volume of 96ft3, what is the length and width of the base for the box? Show the description whit a grid.

*Monday, January 23, 2017 by Joe*

**MATH @Damon @ms. Sue**

Given the function f(x) = 2(3)^x, Section A is from x = 0 to x = 1 and Section B is from x = 2 to x = 3. Part A: Find the average rate of change of each section. Part B: How many times greater is the average rate of change of Section B than Section A? Explain why one rate of ...

*Monday, January 23, 2017 by sarah*

**math**

If a pentagon has five sides. Two sides are three times the length of the shortest side. Two sides are five inches longer than the shortest side. Write and simplify an expression for the perimeter of the pentagon.

*Monday, January 23, 2017 by vanessa*

**math**

Five divers found three chests of coins. they decided to divide the treasure evenly. what portion of the chest would each one get ?

*Monday, January 23, 2017 by kaylee*

**Math**

I am less than 15. I am odd. If you add my two digits together the total is 2. Who am I?

*Monday, January 23, 2017 by Parminder*

**4th grade math**

Find the value of each expression in lowest terms 3/4 + 1/16=

*Monday, January 23, 2017 by Cedarius*

**math**

A rectangular tablecloth is 2.5 m long. Trim is to be sewn around the perimeter of the cloth but there is not enough. What decrase in width will make the perimeter 0.4m shorter if the length remains the same?

*Monday, January 23, 2017 by Anonymous*

**Math question**

CAN A DECIMAL BE GREATER THAN A WHOLE LIKE 7.5 < > 1

*Monday, January 23, 2017 by Essence*

**Math**

Write two times, in digital notation, when the clockwise angle between the hands is: a less than one right angle b less than two right angles c greater than three right angles

*Monday, January 23, 2017 by Dam*

**Math**

Good evening everyone. I am very confused on how to work on the below problem. Ingrid walked her dog and washed her car. The time she spent walking her dog was 1/4 the time it took to wash her car. It took Ingrid 14 minutes to walk the dog. How long did it take Ingrid to wash ...

*Monday, January 23, 2017 by Donald*

**Math**

an employee is paid $3600 for the first month. she is paid an additional 1% at the end of the second month, which means a total of $3636. she continues to receive a 1% raise each month for a full year. what is her total salary at the end of the year?

*Monday, January 23, 2017 by Peter*

**Math**

A marathon runner runs 10 1/2 miles in 2 hours. What is her rate? Write an expression to represent the problem. Solve the problem:

*Monday, January 23, 2017 by Amy*

**Math**

On a soccer team 40% of the goals are scored by the star player. If 70 goals are scored all season, how many are scored by the rest of the team?

*Monday, January 23, 2017 by Amy*

**Math**

Elizabeth pumps 3 1/2 gallons of gas in 1/4 of a tank. How many gallons does a full tank hold? Write an expression to represent the problem. Solve the problem:

*Monday, January 23, 2017 by Amy*

**math**

The sum of the first 9 terms of an arithmetic series is 144, and the sum of the first 14 terms is 329. Find the first 4 terms of the series.

*Monday, January 23, 2017 by Peter*

**math**

what is the slope of the line x=-5

*Monday, January 23, 2017 by Anonymous*

**math**

You deposit $10,000 in an account earning 3% interest, compounded semi-monthly (twice a month). You plan to leave the account untouched for 25 years. How much interest will you earn over the 25 years?

*Monday, January 23, 2017 by Harmony*

**Math**

55 is 30% of what number? I think its 183? Can someone tell me if im wrong/explain to me how to do it? I dont really want the answer I just wanna check and see if im right/ why im not right Thanks ^-^

*Monday, January 23, 2017 by Meow*

**Math**

Susan was 20 years old when her daughter janet was born what will Janet's age be when their age ratio is 7 :2 what I got is x = 2/9(x + 20) but it gives me an uneven number and not sure if it's correct

*Monday, January 23, 2017 by Priska*

**Math**

A graph that represents $20 plus $0.25 permile

*Monday, January 23, 2017 by Anonymous*

**Math**

susan was 20 years old when her daughter janet was born. what will Janet's age be when their age ratio is 7:2

*Monday, January 23, 2017 by Priska*

**Math**

Which makes this a true statement? _____ rectangles are squares. A. All B. Some*** C. No D. None of these I think it's this please correct me

*Monday, January 23, 2017 by MATH Help! PLS read!*

**math**

What is the function rule with input of 18,6,10,22,4,14 and output of 13,7,9,_,_. The last 2 outputs are blank as we need to figure out the rule and then fill in the blanks.

*Monday, January 23, 2017 by lori*

**Math**

Write two times,in digital notation, when clockwise angle between the hands is: a. Less than one right angle : b. Less than two right angles : c. Greater than 3 right angles:

*Monday, January 23, 2017 by Dam*

**math adv funcrions**

2sin5xcos4x-sinx=sin9x Can u do this without triple angle formula and how

*Monday, January 23, 2017 by anon*

**math**

A pilot estimates that 5/8 of the fuelin the planes tank will be used when the plane reaches its destination. The tank contained 42,300 gallons at take-off. How much fuel does the pilot expect to use?

*Monday, January 23, 2017 by beth*

**Math**

A parking garage charges $2.00 to enter the garage and $1.50 an hour to park. Use the coordinate plane to graph this situation.

*Monday, January 23, 2017 by Charles*

**Math**

A man sold two cycles for RS.3000 each gaining 20% one and losing 20%on the other.Find his gain or loss percentages on the whole transaction.

*Monday, January 23, 2017 by Jaswanth*

**Math**

The cost of one dozen bananas is 20 then 9 bananas is

*Monday, January 23, 2017 by Jaswanth*

**Math**

Length of rectangle is 8 metres less than twice its breadth. If the perimeter of the rectangle is 56 metres.Find its length and breadth

*Monday, January 23, 2017 by Jaswanth*

**consumer math**

Find the volume of the following solid figure. Use = 3.14. V = 4/3r3. A sphere has a radius of 5.7 inches.

*Monday, January 23, 2017 by kym*

**Math**

Solve: Log5(x-2) + log8(x-4)= log6(x-1)

*Monday, January 23, 2017 by NR*

**Math**

There are 25 children at a party,each child eat 3 cake.how many cakes are eaten altogether?

*Monday, January 23, 2017 by Sheikh arshmaan*

**Study School (Math)**

the sum of the digits of a two-digit number is 9.if 9 is added to the number, then its digits interchange their place. what is the difference in cube of the digits?

*Monday, January 23, 2017 by Vinojjoseph*

**Math**

lisa wants to paint the ceiling of her restaurant.The ceiling is in the shape of a square Its side lengths are 48 feet suppose each can of paint will cover 192 square feet. How many cans will she need to pant the ceiling

*Monday, January 23, 2017 by Ella*

**Math**

is x^2-3x+28 factorable

*Sunday, January 22, 2017 by Aaron*

**math**

Tylenol 3 has 16 mg of Codeine per 11 ml of liquid. A safe dose of Codeine is 4.8 mg/Kg/Day. A patient who weighs 215 pounds needs a Tylenol 3 prescription. There are 2.2 pounds for every 1 kilogram. How many kilograms is this person's mass? How many milligrams of Codeine can ...

*Sunday, January 22, 2017 by sylivia*

**math question**

An aeroplane flies at 800km/h for one third of its flight time and averages 700 km/h for the entire trip. What is the average speed, in kilometres per hour, over the remaining part of the journey? A. 600 B.750 C.650 D.500 E.625 Could you please explain in detail thank you

*Sunday, January 22, 2017 by todd*

**Math**

-1/2x-3greater than 8

*Sunday, January 22, 2017 by Jacob*

**math**

The data shows the total number of employee medical leave days taken for on-the-job accidents in the first six months of the year:19, 10, 26, 12, 28, 19. Find the mean number of days taken for medical leave each month

*Sunday, January 22, 2017 by dssie*

**Math**

A board 26 3/8 inches long must be cut into three pieces of equal length. Find the length of each piece.

*Sunday, January 22, 2017 by Denisse*

**Math**

the area of a rectangle is given by the expression (x^3+7x^2+11x+2) in^2. The length of the rectangle is given by the expression (x+2) in. What is an expression for the width of the rectangle?

*Sunday, January 22, 2017 by Jen*

**Math**

Tom has 5 times as many comic books as Deborah. Deborah has 40% of the number of comic books that George has. if the total number of comics owned by the three friends is 204, how many are owned by Tom?

*Sunday, January 22, 2017 by Anonymous*

**math**

2√72 +√32 I got 8√8

*Sunday, January 22, 2017 by Tim*

**Math**

A tennis racket is marked up 50% to $36.75 what is the original price?

*Sunday, January 22, 2017 by Kk*

**Math**

2sqr72+sqr32 9x8 plus 4x8 2sqr3 x sqr8 + 2xsqr8 =8sqr8

*Sunday, January 22, 2017 by Tim*

**Math**

A basket ball team scored a total of 160 points. they made 74 baskets. how many 2 point and how many 3 point shots?

*Sunday, January 22, 2017 by Dave*

**math**

Tylenol 3 has 16 mg of Codeine per 11 ml of liquid. A safe dose of Codeine is 4.8 mg/Kg/Day. A patient who weighs 215 pounds needs a Tylenol 3 prescription. There are 2.2 pounds for every 1 kilogram. How many kilograms is this person's mass? How many milligrams of Codeine can ...

*Sunday, January 22, 2017 by bernadet*

**Math**

Use long division to determine if the divisor is a factor of the dividend. (-x^2-94x+600)/(x+100)

*Sunday, January 22, 2017 by Mel*

**math**

kelly spend 2/3 of her money on books and from the remaining money, kelly spent 1/4 on food how much money did kelly spend on food from here total amount of money?

*Sunday, January 22, 2017 by kelly*

**Math**

Julie wants to find out how much water was used when taking a bath and when taking a shower. Julie found the dimensions of the tub filled with enough water to take a bath was 48 inches x 38 inches x 16 inches and that the shower uses 8.25 gallons per minute. Julie figures a ...

*Sunday, January 22, 2017 by shewanna*

**Math**

There is an error in the student work shown below: Question: Divide (x^3-8)/(x-2) The student did long division and the got x^2 remainder -6+2x^2

*Sunday, January 22, 2017 by Aria*

**Math**

An article states that gas cost $122 Canadian dollars per litter in Canada. To be able to compare this price to the US, convert this to Dollars per gallon ($1 US + 1.18 Canandian Dollar and 1 gallon + 3.78 L

*Sunday, January 22, 2017 by Elijah*

**Math**

Karen wanted to find out how much waster was used when taking a bath and when taking a show. Karen found the dimensions of the tub filled with enough water to take a bath was 1.7 meters x 1 meters x 0.46meters and that the shower uses 5075 liters per minute. Karen figures a ...

*Sunday, January 22, 2017 by Precious*

**Math**

A room has dimensions 10 feet by22 feet and needs wall to wall carpeting. The store charges $61 per square yard to install the rug. How much will it cost to install the rug?

*Sunday, January 22, 2017 by Cherl*

**Math**

Steven is moving to another city next weekend and wants to rent a moving truck. The rental rates for two companies in his area are shown below. Each company charges an initial fee for renting the truck, plus an additional amount per mile. Company 1: Miles: 30 Rental Charge: $...

*Sunday, January 22, 2017 by Christina P.*

**Math**

How many five-card hands chosen from a standard deck contain two hearts and three spades?

*Sunday, January 22, 2017 by Felicity*

**Math**

if two fair dice are rolled what is the probability that the total showing is more than four? Will you please explain how to do this problem? Thank you

*Sunday, January 22, 2017 by Lily*

**math**

Find each product mentally show the steps you use 9 x 44

*Sunday, January 22, 2017 by Morgan*

**Math**

Construct A triangle Abc Such That Ab Is 6cm Abc 90degree

*Sunday, January 22, 2017 by Anonymous*

**math**

An investment of 25,000 earns interest at an annual rate of 8.4% compounded continuosly a. find the instantaneous rate of change of the amount in the account after years b. find the instantaneous rate of change of the amount in the account at the time the amount is eqaul to 30...

*Sunday, January 22, 2017 by John*

**math**

The perimeter of the isosceles triangle is 28 cm.and side a is equal to (x+2y) while side b is equal to (6y-2x+1) and side c is equal to 4y all in cm.find x and y and hence state the lengths of the side of the triangle

*Sunday, January 22, 2017 by dave*

**Math**

1 tenth can be exchanged for ______ hundredths. I think 0 cause 1 hundredth can exchanged in to 10 tenths but 1 tenth can not go in to 100

*Sunday, January 22, 2017 by Essence*

**math**

Mr brown gives his class a test. The 10 girls in the class get a mean mark of 70 percent. The 15 boys in the class get a mean mark of 80 percent. Nick says that because the mean of 70 and 80 is 75 then the mean mark for the whole class in the test is 75 percent. Nick is not ...

*Sunday, January 22, 2017 by supersupersuper*

**Math**

16x^2+4x^x-1-12=0

*Sunday, January 22, 2017 by Ulubi*

**math**

translate this sentence 44is the difference of Rita's age and 12 in an equation .

*Sunday, January 22, 2017 by nicole*

**math**

Janie is making fruit bars for the bake sale. She uses 1/4 cup of sugar for each batch she makes. She uses 8 cups of sugar to make all the batches. How many batches of fruit bars does Janie make?

*Sunday, January 22, 2017 by jammie*

**Math**

Ava's dog weighs 52 kilograms. Marty's dog weighs 3/4 as much. How much does Marty's dog weigh?

*Sunday, January 22, 2017 by BlueSparkles*

**Math**

Students measure the velocity of a car as it races along a track in a clockwise direction. Their measurements are detailed below: Time (sec) | Velocity (in/sec) 0 | 4 1 | 8 2 | 10 3 | 6 4 | 9 5 | 12 6 | 5 7 | 8 8 | 10 9 | 6 10 | 12 Estimate the distance traveled by the car ...

*Sunday, January 22, 2017 by Stephen*

**math**

the signal to a speaker causes 5 amps of current .the signal level is increased to 2.5 amps. what is the gain rounded to the nearest decibel ?

*Sunday, January 22, 2017 by josefine*

**Math**

As the candle burns,its length decreases at a rate of 2cm every 20minutes. Write down the equation to calculate the length of the candle

*Sunday, January 22, 2017 by Edward*

**Math**

At the beginning of soccer practice a water cooler contained 5 gallons of water. At the end of practice the water cooler is only 1/4 full. How many gallons of water are in the cooler at the end of practice? Explain

*Sunday, January 22, 2017 by Crystal*

**math**

find the sum of each arithmetic series (a)5+8+11+....to 20 terms

*Sunday, January 22, 2017 by machaka*

**Math**

the measure of pair of adjacent sides of a parallelogram are 15cm and 20cm.if the length of one diagonals is 25cm find the area of the parallelogram.

*Sunday, January 22, 2017 by Biswa*

**math**

A hotdog costs $1.27 more than twice the price of a sod. Write an expression that shows the price of a hot dog in relation to the price of a soda. Then evaluate where the soda costs $99.

*Sunday, January 22, 2017 by Kaleb*

**Math**

If I have 12 yards of ribbon, how many 3/4 strips can I cut from it?

*Sunday, January 22, 2017 by Caleb*

**Chemistry**

If 26.4 grams of nitrogen and 30.1 grams of oxygen combine to form nitrogen monoxide, how many grams of nitrogen monoxide must form? I am confused on how to do the math.

*Sunday, January 22, 2017 by Anonymous*

**math**

Jared is scheduled to work for mc008-1.jpg of an hour at the school fair. He has already worked mc008-2.jpg of an hour. How much longer does he have to work?

*Sunday, January 22, 2017 by jared*

**Math**

The volume of a sphere is increasing at the rate of 5 cm.cm.per second .Find the rate of increase of the radious and surface area when the radious is 6cm.

*Sunday, January 22, 2017 by Manu*

**math**

p;2p+2;5p+3 arithmetic sequence determine the next three terms

*Sunday, January 22, 2017 by machaka*

**math**

the adjacent sides of parallelogram are 15 cm and 8cm. if the distance between the longer sides is 4 cm ,find the distance between the shorter sides.

*Sunday, January 22, 2017 by jahan*

**Finite math**

A theater has a seating capacity of 900 and charges $5 for children, $7 for students, and $9 for adults. At a certain screening with full attendance, there were half as many adults as children and students combined. The receipts totaled $6100. How many children attended the ...

*Sunday, January 22, 2017 by IU*

**Basic math**

if tan alpha =1/3 and tan beta =1/7 prove that tan(2 alpha+beta)=45 degrees

*Sunday, January 22, 2017 by Anonymous*

**Math**

square root (x-3)-square root(x)=3 can someone please solve this for me

*Saturday, January 21, 2017 by Jeffery Reffery*

**Math**

Johnny has 30 marbles. Mark has m marbles, if Johnny has 10 times as many as mark, write an equation that shows how many marbles mark has.

*Saturday, January 21, 2017 by Norm*

**Math**

"What is the slope of the line that passes through the pair of points (3/2, -2) and (-3, 7/3)?" A. -27/26 B. -26/27 C. 26/27 *** D. 27/26

*Saturday, January 21, 2017 by Joshua*

**math**

write equation of hyperbola with cebter c(4,2) vertex (4,5) equation of one asymptote 4y-3x=-4

*Saturday, January 21, 2017 by donald*

**math**

An automobile is traveling at 65 mph. If each tire has a radius of 15 inches, at which rate are the tires spinning in revolutions per minute (rpm)? (63360in=1 mile)

*Saturday, January 21, 2017 by Kevin*