# Homework Help: Math

## Branches of Math

## Recent Math Questions

**MATH HELPP!!!**

The graph below was drawn with output on the vertical axis and input on the horizontal axis. What does this graph indicate about the relationship between the input and the output? (There is a line line that is straight on the +7 on the graph)

*Monday, March 20, 2017 by Agala*

**Math - Ratio's**

There are a total of 700 blue, yellow, and red balls in a machine. The ratio of blue balls to the total number of balls is 2:7. The ratio of yellow balls to blue balls is 7:4. The ratio of blue balls to red is 4:3. With the given information calculate the number of blue balls...

*Monday, March 20, 2017 by Diana*

**math**

4865 cubic feet out of 27000 cubic feet what is % completed

*Monday, March 20, 2017 by cyndi*

**Math**

Karen wants to collect data about the hobbies of her friends. The table shows a list of some questions she might ask. Is each question a statistical question that Karen can ask to collect data? Select Yes or No for each question. Question Yes No How much money do my friends ...

*Monday, March 20, 2017 by Simone*

**Math**

Dan wants to collect data about the eating habits of his friends. Which questions are statistical questions he could ask? Select each correct answer. A) What time of the day do my friends eat their biggest meal? B) How many times each week do my friends eat out? C) What types ...

*Monday, March 20, 2017 by Simone*

**math**

Geo uaually drinks 36 ounces of water per day. He read that he should drink 64 ounces of water per day. If he starts drinking 64 ounces, what is the percent increase? Round to the nearest percent.

*Monday, March 20, 2017 by Anonymous*

**@RAHUL RAJ**

Please release your Caps Lock key. Please repost your math question after you've done that.

*Monday, March 20, 2017 by Writeacher*

**Math**

What is the domain and range fro the expentiral function f(x)=-2x4^x-1+3? Domain:all real numbers Range:all real numbers less than 3 Domain:all real numbers Range:all real numbers greater than 3 Domain: all real numbers greater than-2 Range: all real numbers less than 3 Domain...

*Monday, March 20, 2017 by Jass*

**Math**

Lois is making applesauce. Each batch she makes yields 3.25 quarts of applesauce. Lois already has 1.5 quarts. She would like to have a total of 14.5 quarts before she is finished for the day. How many batches of applesauce does Lois need to make? A crayon factory can make ...

*Monday, March 20, 2017 by Alana*

**Math**

Find the equation of the ellipse having axes along the coordinate axes and passing through the points (4 ,3), (-1,4).

*Monday, March 20, 2017 by Anonymous*

**Math**

Determine the value of a and b, so that the points (a , b, 3 ) , (2 ,0,-1), (1 , -1 ,3) are collinear.

*Monday, March 20, 2017 by Anonymous*

**math**

find the surface area of the prism: L 11m W 6mm H 3m a)48m 3 b)346m 3 c)780m 2rd d)195m 2rd I THINK 346m SQUARED

*Monday, March 20, 2017 by Evelyn*

**math**

1 A particle is moving in a stright line with the position at any time t is given by s= t³–9t²+3t+1,where s in meters and t in second. Find its position and acceleration when velocity is ¯24m/s 2. Given that x²cos y_sin y=0,(0,π). A. Verify that the given points on the ...

*Monday, March 20, 2017 by aboddu*

**math**

Four men, Eddie Jake, Deon, and Fred are watchmen in a small factory in Lorain. Their job consists of two daily shifts of six hours each, interrupted by a rest of several hours. At any hour of the day or night there must always be two men on duty. However, no two men's shifts ...

*Monday, March 20, 2017 by kim*

**math**

Leon had 56 paper clips. He gave 3 over 4 of them to joe.

*Sunday, March 19, 2017 by jazel*

**math**

Leon had 56 paper clips. He gave 3 over 4 of them to joe. Joe gave 2 over 7 of what he recieved to keith.

*Sunday, March 19, 2017 by jazel*

**Math**

1. The expression 6x(4-3x)–5x(x–4)–9x+2) can be written in the form ax^2+bx+c. The value of abc is? 2. A rectanglular garden is being designed for the City of Calgary Park. The length is 3x+5 and the width is 2x–1. The area of the garden can be expressed in the form of...

*Sunday, March 19, 2017 by Mileena*

**Math Functions Functions**

What is the equation for each? please teach me..! 1.Shifts(x)left 3 units to create t(x) 2.Reflect j(x)across the y-axis to create k(x). 3. Reflect j(x)across the x-axis to create k(x). 4. Shift m(x) up 3 units to create y(x) . 5. Shift h(x) right 3 units to create k(x) .

*Sunday, March 19, 2017 by apple*

**math- factoring**

The question is ax^2+bx+c=(2x-7)(x-3) for all values of x, What is the value of b? The teacher went over and said the answer is -13, but I am not sure how she got that. Can you please explain. Thank you! I did the first part (2x-7)(x-3) 2x^2-6x-7x+21 2x^2-13x+21 here x=-13 but...

*Sunday, March 19, 2017 by sara*

**Math**

A ferry boat departed from port and traveled at a rate of 10 miles per hour at an angle 30° north of East across a large river. If the current is flowing at a rate of 4 miles per hour straight south, what is the speed and direction of the boat in the water? Round any ...

*Sunday, March 19, 2017 by Tyler*

**Math**

find the vertices, foci, equations of the asymptotes, length of LR, and the graph of the hyperbola x^2-4y^2+4x+24y=28

*Sunday, March 19, 2017 by rebs*

**Math**

How much would I get at the end if 1year and 6months,if I invest $2000 at 71/2% p.a.Simple Interest?

*Sunday, March 19, 2017 by Tracy*

**Math**

Find the magnitude and direction angle of p = 42i + 35j

*Sunday, March 19, 2017 by Rachel*

**Math**

your cousin borrow 5000 at an interest rate of 7.5% and the rest at an interest rate of 12% the total paid is 819 . how much did your cousin borrow at each rate

*Sunday, March 19, 2017 by Bob*

**Math**

Find the exact value of the trig function below. cos2Ø if sinØ = 2/5

*Sunday, March 19, 2017 by Sophie*

**Math**

Which of the following sample spaces correctly lists all the possible outcomes for flipping a coin and rolling a number cube? Let head be H and tail be T. 1.) H-1, H-2, H-3, H-4, H-5, H-6 2.) H-1, T-1, H-2, T-2, H-3, T-3, H-4, T-4, H-5, T-5, H-6, T-6 3.) H-1, H-2, H-3, T-4, T-...

*Sunday, March 19, 2017 by swimmerGirl*

**Math**

The product of Steve's age and 9 is 153

*Sunday, March 19, 2017 by Mickey*

**Math**

Find the exact value of the trig function below. cos a/2 if cosa = - 31/49 (assume cos a/2 is negative)

*Sunday, March 19, 2017 by Rachel*

**math**

∮_0^1▒∫_1^2▒〖(x^2+y^2)dxdy〗using simpson's one third rule

*Sunday, March 19, 2017 by Anonymous*

**Math**

4.In the town of sleepy oak the fine for a speeding ticket is $32.65 + s dollars, where s is the miles per hour over the speed limit. A. What is the fine for going 38.4 miles per hour o=in a 25-miles-per-hour school zone? B. Mr.Taylor was fined $50.15 for speeding speeding in ...

*Sunday, March 19, 2017 by LOL*

**math help**

Given f(x)=7-2x find f (x+5) I'm not sure how to approach this problem. I have done this so far: F(x+5) = 7-2x F(x+5)=7-2(x+5) F(x+5)=7-(2x+10) Not sure if this is right and what to do next.

*Sunday, March 19, 2017 by Sarah*

**Math 6th Grade**

A pair of running shoes cost $22.29.The store owner wanted to make a profit of $18.50.What should be the shoes' selling price?

*Sunday, March 19, 2017 by Noob Starter*

**math**

Given f(x)=7-2x find f (x+5) I'm not sure how to approach this problem. I have done this so far: F(x+5) = 7-2x F(x+5)=7-2(x+5) F(x+5)=7-(2x+10) Not sure if this is right and what to do next.

*Sunday, March 19, 2017 by Sarah*

**Math**

Predicted winner in an election for town mayor . Method C: Telephone 100 randomly-chosen voters who live in the town. 54 percent plan to vote for the incumbent mayor. Method D: Telephone 70 people who have lived in the town for more than 25 years. 45 percent plan to vote for ...

*Sunday, March 19, 2017 by Andrew*

**math**

Given f(x)=7-2x find f (x+5) I'm not sure how to approach this problem. I have done this so far: F(x+5) = 7-2x F(x+5)=7-2(x+5) F(x+5)=7-(2x+10) Not sure if this is right and what to do next.

*Sunday, March 19, 2017 by Sarah*

**Math**

Claire jogs around an oval track and is able to complete one lap in 5 minutes. If she jogs at the same pace for 42 minutes, how many laps would she be able to jog? Write an inequality and find the number of whole laps Claire completes.

*Sunday, March 19, 2017 by Cory*

**area of polygons - math**

The sixth-grade art students are making a mosaic using tiles in the shape of right triangles. Each tile has leg measures of 3 centimeters and 5 centimeters. If there are 200 tiles in the mosaic, what is the area of the mosaic? How do I set this up? Thanks in advance

*Sunday, March 19, 2017 by name*

**math**

How much time required to fill the 1000litre water tank with 2 inch pipe How it calculate

*Sunday, March 19, 2017 by vimalraj*

**math**

A number divided by 5 gives 9 less than twice the number.Find the number.

*Sunday, March 19, 2017 by naveed*

**math**

It takes a ship 3 hours to cover 72 km with the current and 4 hours against the current. Find the speed of the ship in still water and the speed of the current.

*Sunday, March 19, 2017 by annie*

**math**

Given: ∆ABC is isosceles m∠ACB = 120° m∠BMC = 60° CM = 12 Find: AB M is on line segment AB I saw that someone has already post this question, but I didn't find the answer so I reposted it to c if someone could put the answer

*Sunday, March 19, 2017 by Serina*

**math**

One number is greater than another by 40/11. If the smaller number is less than 47/22 by 1/2, find the numbers.

*Sunday, March 19, 2017 by Anonymous*

**math**

One number is greater than another by 40/11. If the smaller number is less than 47/22 by 1/2, find the number.

*Sunday, March 19, 2017 by Debabrata Show*

**Math**

There was a sample of 550 milligrams of a radioactive substance to start a study. Since then, the sample has decayed by 5.2% each year. Let t be the number of years since the start of the study. Let y be the mass of the sample in milligrams. Write an exponential function ...

*Sunday, March 19, 2017 by Anonymous*

**math**

In a quadrilateral ABCD, AB || DC and AD||BC . Find the perimeter of ΔCOD if the diagonals of the quadrilateral intersect each other at pointOand AC = 20 in, BD = 20 in, AB = 13 in.

*Sunday, March 19, 2017 by Anonymous*

**Math**

Point E is the midpoint of side BC of parallelogram ABCD, and point F is the midpoint of side AD. Prove that quadrilateral BEDF is a parallelogram.

*Sunday, March 19, 2017 by Hello! :)*

**Math**

One of the angles of a parallelogram is 36° greater then another one. Find the angles of the parallelogram.

*Sunday, March 19, 2017 by Anonymous*

**Math 120**

The table shows the distribution, by age, of a random sample of 3990 moviegoers ages 12-74. If one moviegoer is randomly selected from this population, find the probability, expressed as a simplified fraction, that the moviegoer is not in the 65-74 age range...

*Sunday, March 19, 2017 by Beth*

**MATH**

The Dimension of a cuboid Are in the Ratio 4:3:1 and its total surface area is 950 cm2 .Find Its Dimensions.

*Sunday, March 19, 2017 by Gourav*

**Math**

A car can travel 45 km in 5 liters of petrol how for would it travel in 12 liters of petrol

*Sunday, March 19, 2017 by Abhishek MEENA*

**Math**

The angles of depression of two stones one mile apart on the same side of a tower are 30Â° and 45Â° .calculate height of the tower.

*Sunday, March 19, 2017 by Nisha*

**math**

An ordinary dice is rolled what are the odds against and in favour of the event "multiple of Three"?

*Sunday, March 19, 2017 by ranji public*

**Math**

The difference between two numbers is 4.if the sum of five times the smaller number and the bigger number is 58,find the numbers.

*Sunday, March 19, 2017 by Amith*

**math**

Help. Use the remainder theorem to find the factors. (x-y)^2+(y-z)^3+(z-x)^3

*Sunday, March 19, 2017 by young*

**Math**

To the nerest degree,find the angle of elevation of the sun when a 9 metres vertical FlagPool casts a Shadnw 3 metres Long,

*Sunday, March 19, 2017 by Kalu*

**Math**

Olivia is three times as old as her sister.After three years,she is two years more than twice of her sister age.Then what is Olivia present age?

*Sunday, March 19, 2017 by Abc*

**Math**

Construct a right triangle having hypotenuse of length 5.6 and one of whose acute angle measure 30

*Sunday, March 19, 2017 by Math*

**math question**

Each year, a $2400 computer depreciates by 25%. By how much will it depreciate in the second year?

*Sunday, March 19, 2017 by Jasmine*

**Math 120**

A city council consists of eight Democrats and seven Republicans. If a committee of six people is selected, find the probability of selecting three Democrats and three Republicans.

*Saturday, March 18, 2017 by Beth*

**math**

Translate one less than the quotient of a number and -5

*Saturday, March 18, 2017 by Anna*

**Math**

To The Nearest Degree,find The Angle Of Elevation Of The Sun When A 9 Meters Vertical Casts A Shadow 3 Meters Long.

*Saturday, March 18, 2017 by Kaleab Yhedego*

**math**

A cargo ship can carry containers weighing up to 50,000 tonnes. If it costs £1 million to rent out the entire space on this ship, how much will it cost if I want to rent out 3/5 of the entire space? How many tonnes of space do the firm have left to sell on?

*Saturday, March 18, 2017 by sky*

**Math**

The Angle Of Depression Of the Top And The Foot Of A flag Pole As Seen From The Top Of A buildings 145 Meters Away Are 26Dgree And 34Dgree Respectively. Find The Heights Of The Pole And The Buildings.

*Saturday, March 18, 2017 by Kaleab Yhedego*

**Math**

Find The Height Of A Tree,if The Angle Of Elevation Of Its Top Changes From 25 Dgree T0 50 Dgree As The Observer Advaces 15 Meters Towards Its Base.

*Saturday, March 18, 2017 by Kaleab Yhedego*

**Math**

The average debt for juniors exceeds the debt for sophomores by $ 458$458, and the average debt for seniors exceeds the debt for sophomores by $1165. The combined debt for a sophomore, a junior, and a senior is $6543. Determine the average debt for a sophomore, a...

*Saturday, March 18, 2017 by Timmy*

**math**

Mrs. Morton has a special reward system for her class. When all her students behave well, she rewards them by putting 333 marbles into a marble jar. When the jar has 100100100 marbles or more, the class has a party. Right now, the jar contains 242424 marbles. Let rrr represent...

*Saturday, March 18, 2017 by edwin*

**MATH**

I NEED MATH PASS QUESTION

*Saturday, March 18, 2017 by ENIOLA*

**math**

mark is making gift bags for his friends. there are stickers in 1/4 of the gift bags. If mark makes 12 gift bags. how many wil contain stickers? 1/4x12=3 is this correct

*Saturday, March 18, 2017 by Paul*

**math**

If I work for 4/7 of a week, how many days off do I get in total over three weeks?

*Saturday, March 18, 2017 by audrey*

**math**

The tires mary wants to buy for her car cost $200 per tire. A store is offering the following deal: Buy 3 tires et the 4th tire for 75% off ! Mary will buy 4 tires using the deal . The sales tax is 8%. how much will mary save using the deal versus paying the full price for all...

*Saturday, March 18, 2017 by sree*

**math**

The tires mary wants to buy for her car cost $200 per tire. A store is offering the following deal: Buy 3 tires et the 4th tire for 75% off ! Mary will buy 4 tires using the deal . The sales tax is 8%. how much will mary save using the deal versus paying the full price for all...

*Saturday, March 18, 2017 by sai*

**math**

The tires mary wants to buy for her car cost $200 per tire. A store is offering the following deal: Buy 3 tires et the 4th tire for 75% off ! Mary will buy 4 tires using the deal . The sales tax is 8%. how much will mary save using the deal versus paying the full price for all...

*Saturday, March 18, 2017 by sai*

**Math**

My brother gets paid £70 a week. If he owes me 1/2 of his salary . If he pays me 1/7 of what he owes me how much money will he still take home?

*Saturday, March 18, 2017 by Sky*

**Math**

Amy, Betty and Clara went shopping together. Amy spent 20% more than Betty. Betty spent 25% more than Clara. If Amy spent $58 more than Clara, how much did they spend altogether? (Please Show Working Clearly and try not to use Algebra)

*Saturday, March 18, 2017 by Student at dq*

**9th Math**

Find the length of a side and the perimeters of a regular nine sidedpolygon with radius 5 units.

*Saturday, March 18, 2017 by Zinabu Nunusa*

**math**

A cargo ship can carry containers weighing up to 50,000 tonnes. If it costs £1 million to rent out the entire space on this ship, how much will it cost if I want to rent out 3/5 of the entire space? How many tonnes of space do the firm have left to sell on?

*Saturday, March 18, 2017 by sky*

**math**

£25 per month is invesed in a fund for a year and attract intrest of 10.5% compounded monthly. How much is the fund worth at the end of the year

*Saturday, March 18, 2017 by faizan*

**math**

Write a related addition sentence 26-24=2

*Saturday, March 18, 2017 by Amber*

**math**

A block of wood is in the form of cube whose edge is 3 metre how many rectangular pieces of size 30×20×15cm can be cut from the block

*Saturday, March 18, 2017 by Lalan*

**math**

A bank account was opened with a deposit of $2750 at an APR of 3.5% compounded one of the following ways. Find the amount in this account after 6 years with compounding of: (round answers to nearest 100th) annually: $ semi-annually: $ quarterly: $ monthly: $ weekly: $ daily...

*Saturday, March 18, 2017 by Tyreice*

**Math**

Simplify 5! A.5 B.15 C.120 D.125

*Friday, March 17, 2017 by Wally West*

**Math**

A bank advertises a savings account that earns 3% APR compounded daily. What is the "n" become for the compound interest formula?

*Friday, March 17, 2017 by Tyreice*

**Math**

7m long flagstaff is fixed on tower standing on horizontal plain . Frm a point on the ground angle of elevation of top and bottom of flag staff are 60 and 40 find height of tower

*Friday, March 17, 2017 by Anonymous*

**Math**

Professor Smith has invented a time machine and is going to travel back in time 15 years to buy his wife a diamond ring. The ring cost $5000, 15 years ago . The average rate of inflation is 3.09% per year. Round answers to nearest whole $. How much money would the Professor ...

*Friday, March 17, 2017 by Tyreice*

**Math**

A car today costs $32000. Assume that the average annual rate of growth per year was 5.83% over the last 45 years to answer the following question. Round all answers to the nearest whole dollar. How much would the same value of car have cost 45 years ago in 1969? How much ...

*Friday, March 17, 2017 by Tyreice*

**Math**

Surface area of a square pyramid 11in 13in and 9in 11 height 13 slant height 9 base edge I keep getting the wrong answer its not 328.62 or 294.93 Square area of a cone 15 slant height 12 height 6 base

*Friday, March 17, 2017 by Sally*

**math**

A motorboat covers the distance from one pier to the other pier in 4 hours and the way back in 5 hours. What is the speed of the boat in still water, if it covers 70 km with the current in 3.5 hours?

*Friday, March 17, 2017 by annie*

**math**

Two shelves contain 55 books. If half of the books from the second shelf were relocated to the first shelf, then the first shelf would contain 4 times more books than the second one. How many books are there on each shelf?

*Friday, March 17, 2017 by annie*

**math**

The sum of two numbers is equal to 63 and their difference is equal to 12. Find the numbers.

*Friday, March 17, 2017 by annie*

**Math**

Sorry for posting twice I have to round 7276.74 by two decimal places but I keep getting it wrong...

*Friday, March 17, 2017 by Sally*

**Basic Math**

Surface area of a square pyramid 11in 13in and 9in 11 height 13 side? 9 base edge I keep getting the wrong answer its not 328.62 or 294.93 Square area of a cone 15 side? 12 height 6 base It's not 365.99 or 417.62 I don't need anything rounded...help please!

*Friday, March 17, 2017 by Sally*

**Math - Trigonometry**

When calculating the lengths for a square based pyramid, is there a way to calculate the length from a point to the point opposite of it, given the side length and height? Thanks in advanced.

*Friday, March 17, 2017 by Anonymous*

**Math Help!**

On your birthday, you deposit $540.00 in an account that pays 6% interest, compounded annually. How much is in the account 3 years later? (1 point) • $637.20 • $543.18 • $643.15*** • $1,717.20

*Friday, March 17, 2017 by Agala*

**Math**

If I earn £200 a week,the tax man takes 3/8 of it and I pay my mum 1/2 of my earnings for rent , how much do I end up having to spend on things I want?

*Friday, March 17, 2017 by Mark*

**Math**

How much must be deposited today into the following account in order to have$120000 in 14 years ? No additional deposits are made. An account with quarterly compounding and an APR of 7.4% ?

*Friday, March 17, 2017 by Debra*

**Seventh grade math**

The area of a square floor on a scale drawing is 64 square centimeters, and the scale drawing is 1 centimeter:2 ft. What is the area of the actual floor? What is the ratio of the area in the drawing to the actual area? I have been trying to answer this question forever I ...

*Friday, March 17, 2017 by Braylynn*

**Math**

The oldest man in the world is 110 years old . If his younger brother is 9/10 of his age how old is his younger brother?

*Friday, March 17, 2017 by Sky*

**Math**

2 + 6+ 10+ 14 + 18 + 22 + 26+ 30+ 34 + 38 = 200 To inme se kisi 5 ko Total kar ke 100 banaao.!

*Friday, March 17, 2017 by Anonymous Calculus*

**Math - Geometry!!!**

What shape is created if you connect the following points: (1,1), (5,1),(7,3), and (3,3)?

*Friday, March 17, 2017 by Luca Gonzalez*

**Math**

whats the decimal notation for seventy seven thousandths

*Friday, March 17, 2017 by Brandon Terry*