Wednesday
August 5, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

math
my favorite is two digit number. its tens is 2 more than its ones. if the tens digit is 5, what is my favorite number?
Monday, June 22, 2015 by wesly

math
How can we measure a dollar bill? Is it in Inches, centimetres, and any measurements??
Monday, June 22, 2015 by jess

Math
What is true about a cylinder: A. The base is equal to 360° B. There are three parallel planes C. The surfaces are on the shape on a polygon D.There is more than one vertex
Monday, June 22, 2015 by Anonymous

math
A, B, C, and D are points on a line, and the lengths of the line segments are: AB = 12, BC = 4, CD = 7, and DA = 15. Which of the following is a possible order for the points? A.A,B,C,D B. A,C,D,B C. A,D,C,B D. A,C,B,D•Math - Steve, Tuesday, July 22, 2014 at 7:36pm ACBD...
Monday, June 22, 2015 by mmv

math
For this assignment, you will be finding the surface area and the volume of three different spherical objects. You will need to find three objects and measure the distance around the center using a ruler or tape measure. Show all work! I am using a lemon first. How do I get ...
Monday, June 22, 2015 by crissy

Math
At an electronics store, the number of 37-inch HGTVs that is expected to be sold in a month is double that of 58-inch HGTVs and 50-inch HGTVs combined. Sales of 58-inch and 50-inch HGTVs are expected to be equal. 58-inch HD-TVs sell for $4800 50-inch HD-TVs sell for $2000 37-...
Monday, June 22, 2015 by Phil

math
Find the Unknown length? ______________ 4 ft ______________x 15 ft my answer is 180 ft and the unknown side is 4 ft.
Monday, June 22, 2015 by siulani perez

math
what is the volume of a rectangular prism which the bottom side is 23 inch and one of the side is 4 and the other side 7. my answer is 644. A more or less example 23 x 7 x 4= 644 4__________________ 7__________________ 23
Monday, June 22, 2015 by siulani perez

math
what is the volume of a cylinder that has 10 inch length and 4 inches radius to the nearest whole number? Use 3.14 for pi. My answer is 502.65 rounding is 503.
Monday, June 22, 2015 by siulani perez

math
what is the surface area of a cylinder to the nearest whole number if the radius is 7 in and the height is 8 inch? Use 3.14 for pi. my answer is 659.4 and rounding is 659.
Monday, June 22, 2015 by siulani perez

math
What is the area of a semi circle to the nearest whole number? Use 3.14 or 22/7 of pi. The semicircle is 32 m. my answer is 402.12 and rounding 402
Monday, June 22, 2015 by siulani perez

Math
The number of 37-inch HDTV's that is expected to be sold in a month is double that of 58-inch HDTV's and 50-inch HDTV's combined.sales of 58-inch HDTV's are expected to be equal. 58-inch HD-TV's sell for $4,800, 50-inch HD-TVs sell for $2000, and 37-inch ...
Monday, June 22, 2015 by Stuck on this one

MATH
Henry had x oranges. he gave 12 to his sister and 6 fewer to his friend. He remained with twice as many as he gave away. How many oranges had he at first
Monday, June 22, 2015 by Sirryah

Math
A car traveled at a constant speed for 4 hours and covered 144.6 miles. It used 12 gallons of gas to travel this distance. How far did the car go in 1 hour? How far did the car travel on 1 gallon of gas?
Monday, June 22, 2015 by Aiden

math
i am a 5 digit number greater than 60,000 but less than 70,000 my ones digit 1 less than my 10,000 digit all my other digits are the same the sum of my digit are 23. What is my number?
Monday, June 22, 2015 by carl

math
Solve for x:2^x=x^2
Monday, June 22, 2015 by james007

math
Jane spends 1/3 of her money on snacks and 2/5 on a book. She remained with $60.00. how much money had Jane.?
Monday, June 22, 2015 by Sirryah

math
I am five digit number greater than 40,000 but less than 70,000.My ones digit is more than my ten thousands digit.All my other digit are the same.The sum of my gigit is 19.What number am i?
Monday, June 22, 2015 by angel

math
how to find the number of a subset in a set?
Monday, June 22, 2015 by regine

math
Solve for x:2^x=x^2
Monday, June 22, 2015 by james

Math
What qualities do your friends have? Write an acronym of the word "Friendship" showing the qualities you are looking for a friend.
Monday, June 22, 2015 by Maritess

geography.math lit,l.o,life science,english,sepedi and history
well among all those subject i'm good at sepedi, maths,history,english an geography,so is it possible for me to become a lawyer wth these subject?
Monday, June 22, 2015 by shakes

geography.math lit,l.o,life science,english,sepedi and history
well among all those subject i'm good at sepedi, maths,history,english an geography,so is it possible to become a lawyer wth these subject?
Monday, June 22, 2015 by shakes

Math velocity
A ball is thrown straight up from the edge of the roof of a 60.0 m tall building. If a second ball is dropped from the roof 2.0 s later what must the initial velocity of the first ball be if both are to reach the ground at the same time?
Monday, June 22, 2015 by Tom

Calculus(math)
A particle is moving on a straight line in such a way that its velocity v is given by v(t)=2t+1 for 0≤t≤5 where t is measured in seconds and v in meters per second. What is the total distance traveled (in meters) by the particle between times t=0 seconds and t=5 ...
Sunday, June 21, 2015 by Alice

math conversion
convert from Chinese into American standard measurement; 1800 24Kg. Please,
Sunday, June 21, 2015 by Jon

math-urgent
A ball with a mass 0.15kg is thrown upward with an initial velocity 20m/s from the roof of a building 30m high. Neglect air resistance. Find the max height above the ground that the ball reaches. Assuming the ball misses the building find the time that it hits the ground
Sunday, June 21, 2015 by Anonymous

math
We fire a missile from ground level at 1750 ft/sec. at launch angle of 10 degrees. h(t) =-16t^2 + vot +h a. find a function for height as a function b. find a function for distance from launch point as a function of time. c. when will the missile reach max height? d. What is ...
Sunday, June 21, 2015 by jc

Math
I have no idea how to do inverse functions... How would I do this question? Y=-3x^2 - 18x - 25
Sunday, June 21, 2015 by Sandy

Math 11 u
The length of a rectangle is 4cm more than its width. If the area of the rectangle is 117cm^2, what is the length? So : 117cm^2= (w)(w+4) = w^2 + 4w I don't know what to do next
Sunday, June 21, 2015 by Sandra

Typos, math, physics
Would everyone who posted math and physics problems this morning please go back and check for typos? It is difficult to guess what you mean and we do not have your text book.
Sunday, June 21, 2015 by Damon

Math
16= (x+2) x 4/2
Saturday, June 20, 2015 by Anonymous

Math
The profit(p)in dollars for a company is modeled by the function P(x) =-750*x^2+15000*x where x is the number of items produced.For which values of x will the company lose money?
Saturday, June 20, 2015 by Matthwew

math
4d(2d-9) a.) 8d-36d b.) -d c.) -28d^2 d.) 8d^2-36d
Saturday, June 20, 2015 by alyssa

Math
A group of adults and kids went to see a movie. Tickets cost $7.00 each for adults and $4.50 each for kids, and the group paid $64.00 in total. There were 4 fewer adults than kids in the group. Find the number of adults and kids.
Saturday, June 20, 2015 by Jamie

math
-3m(m+8) a.) -3m^2 + 24 b.) 3m^2 - 24m c.) -24m^2 d.) -4m + 5
Saturday, June 20, 2015 by alyssa

math
write the LCD for each pair4/7, 1/8, 11/12
Saturday, June 20, 2015 by Dee365

Math
At the amusement park, you decide to ride the Ferris wheel, which has a maximum height of 50 meters and a diameter of 35 meters. It takes the wheel 5 minutes to make one revolution. If you start your ride at the midline and the ferris wheel rotates counter clockwise, how many ...
Friday, June 19, 2015 by Tiffany

Math
How do you solve the equation for finding the principal when the interest, rate, and time are given? I know the formula P=Interest over rate x time. how do you find the solution or amswer?
Friday, June 19, 2015 by John

Math - Statistics
The increase or decrease in the price of a stock between the beginning and the end of a trading day is assumed to be an equally likely random event. What is the probability that a stock will show a decrease in its closing price on eleven consecutive days? (Round to four ...
Friday, June 19, 2015 by Derrin

Graduated :math
yesterday ghana lotto winnig numbers was :07,67,76,71,69.please what are the numbers to win today.
Friday, June 19, 2015 by James

math
How many terms are there In an arithmetic Sequence with a common different of 4 and with the first and last term 3 and 59 Respectively.
Friday, June 19, 2015 by nicole

math
My digits are 6,0, and 5. I'm not divisible by 5. What number am I
Thursday, June 18, 2015 by CJ

math
can someone elxplai to me how to solve this differential equation. dy/dx= (x^2+3y^2)/2xy
Thursday, June 18, 2015 by Anonymous

Math
the ratio of Simone's pocket money to Fiona's pocket money was 2:3. After Fiona had received $5 from her mother, the ratio of Simone's pocket money to Fiona's pocket money became 4:7. how much pocket money did both of them have at first?
Thursday, June 18, 2015 by Minhthaominh

Math Trigonometry
A man is 6 ft. tall casts a shadow of 8 ft. find the angle of elevation of the sun.
Thursday, June 18, 2015 by Shelou

math
A fisherman has estimated that it takes 6 minutes to paint each square foot of the hull of his boat. How much time should the fisherman allow for the painting of the hull, if the hull were composed of two sides, each 31.5 feet by 8.00 feet? 1512.0 hours 25.2 hours 3024 hours ...
Thursday, June 18, 2015 by Lucy

math
Last month, Bill's electric bill was $80.77. This month, Bill's bill was $69.06. What is the percent decrease? 0.01 0.16 0.15 0.14 my answer is 0.15
Thursday, June 18, 2015 by Lucy

Math (Need help Urgent)
1. Graph the solution to the inequality y ≤ -2(x - 2)2 - 2 ?
Thursday, June 18, 2015 by Bailey

Math (PLEASE HELP!)
1. Suppose the height, h, in feet, of a trampolinist above the ground during one bounce is modelled by the quadratic function h(t) = -16t2 + 42t + 3.75 . For what period of time is the trampolinist at least 22 ft above the ground? Round your answers to the nearest hundredth. (...
Thursday, June 18, 2015 by Ashley

Math Geometry
The sun rises at 6am; At noon the sun is directly overhead. The height of a pole is 8m tall. What is the length of the shadow at 11am?
Thursday, June 18, 2015 by Seany

math
round off the following to nearest 10000 1,82,937
Thursday, June 18, 2015 by akhila

Math (Need help Urgent)
1. Fireworks are to be launched from a platform at the base of a hill. Using the top of the platform as the origin and taking some measurements, it was determined that the cross-section of the slope of one side of the hill is y=4x-12 . If the path of the fireworks is y= -x^2+...
Thursday, June 18, 2015 by Mary

math
Two men and six boys can cut a field in 3 hours. If the men work at 3/2 times that of the boys, how many men are required to cut the field in 2hours?
Thursday, June 18, 2015 by jay

Math (PLEASE HELP!)
1. Solve the system of equations by elimination.y=2x^2-2x-3 and y=-x^2-2x-3 2.The system of equations y=-5(x+4)^2-4 and y=8x^2+64x+124 has _____ solution(s). 3. Determine the value of k in y=kx^2-5x+2 that will result in the intersection of the line y=-3x+4 with the quadratic ...
Thursday, June 18, 2015 by Kaitlin

Math (PLEASE HELP!)
1. The UV index on a sunny day can be modelled by the function y= -0.15(x-13)^2+7.6 , where x represents the time of day on a 24-h clock and f(x) represents the UV index. At what time(s) was the UV index 7? 2. Determine if each system has one, two, or no solutions. (Show your ...
Thursday, June 18, 2015 by Adam

Math (PLEASE HELP!)
1. The sum of the squares of two numbers is 74 and the difference of their squares is 24. a) What system of equations models this situation? b) What are the two numbers? 2. For what value of b will the line y= -2x+b be tangent to the parabola y=3x^2+4x-1?
Thursday, June 18, 2015 by Anthony

Math
Nuts worth $3 per lb are to be mixed with 8 lb of nuts worth $4.25 per lb to obtain a mixture that will be sold for $4 per lb. How many pounds of the $3 nuts should be used?
Wednesday, June 17, 2015 by Mary

math
Brian has a bag that contains 14 red marbles and 12 yellow marbles. He selects a marble at random, and then, without replacing the first one, selects another marble at random. What is the probability that Brian selects a red marble and then a yellow marble? Round your answer ...
Wednesday, June 17, 2015 by courtney

Math
The cost of a video game is $29.95 and sales tax is 6%. About how much will the game cost, including tax?
Wednesday, June 17, 2015 by Anonymous

math
solve for x. 2450 * 4.80L= 19.2L * x
Wednesday, June 17, 2015 by Alicia Estrada

Math
Kristine made 4.9% of her 3-point shots last basketball season. She attempted forty 3-point shots in all. About how many points did she score from just 3-point shots?
Wednesday, June 17, 2015 by Anonymous

Math
Of the 597 students at Duzine Elementary School, 19% have a computer at home. About how many students have a computer at home?
Wednesday, June 17, 2015 by Anonymous

Math
There are 1,500 animals living at the zoo.15% of the animals have feathers. How many animals at the zoo have feathers?
Wednesday, June 17, 2015 by Anonymous

math
At a zoo, 1/3 of the animals are birds, 4/9 are mammals, and the rest are reptiles and amphibians. What fraction of animals at the zoo are reptiles and amphibians?
Wednesday, June 17, 2015 by cc

Finite Math
Can someone help me out with this! Thank you in advance :) Frank’s Fruit Stand sells fresh fruit as well as fruit dipped in chocolate and covered with chopped almonds. Each dipped banana requires 6 grams of chocolate and 3 grams of almonds to coat. It takes 6 grams of ...
Wednesday, June 17, 2015 by Katy

math
a final examination score in General maths is weighted four times as much as each test score If the student has a final exam score of 87% and test grades of 70% and 92%, then the mean score is
Wednesday, June 17, 2015 by jay

math
the hundred thousands digit of a six-digit even numbers is 3 more than the thousand digit,which is twice the ones digit.give at least four numbers that satisfy the given condition.
Wednesday, June 17, 2015 by louie

math
Andy wanted to match the profits from his lemonade project 3-fold. How much did he add to the proceeds? Lastly, Andy knows the proceeds are divided into 2 categories; travel and food. How much will each category receive?
Wednesday, June 17, 2015 by lauren

math help please
Sue Stitch buys a sewing machine. The price, including tax, is $575.00. She finances the sewing machine over 24 months after making a $25 down payment. The true annual interest rate is 15%. What are Sue's monthly payments (principal plus interest)? To the nearest penny, c...
Wednesday, June 17, 2015 by Anonymous

English
1. There are a house , trees and a shining sun in the first picture. 2. There is an English textbook in Picture 2. Do you like English. English is fun, isn't it? 3. There are two boys. What are they doing? They are playing with a ball in the sea. 4. A math textbook is in ...
Wednesday, June 17, 2015 by rfvv

math help please
Carol Byrd gets a student rate of $30.00 a month. There is a $250 deductible; but no coinsurance payment. She recently received treatment for a covered condition. The bill was $2,300.00. Carol's insurance company provided payment of 80% of the bill less the deductible. ...
Wednesday, June 17, 2015 by Anonymous

Math
At a community picnic, the following liquids were combined to make a punch: 3 gallons of water 1.5 gallons of cranberry juice 1 pint of strawberry juice 1 cup of grape juice 3 quarts of pomegranate juice How much punch was made in all for the community picnic? Give your answer...
Tuesday, June 16, 2015 by Anonymous

furthe math
find the gradent of the lind parallel to the line whose gradent is -3
Tuesday, June 16, 2015 by Anonymous

MATH
A 95% confidence interval for the mean of a normal population is found to be 17.6 <h 23.6 (h looking symbol couldn't find on keyboard ) what is the margin of error ? A 2 B 2.7 C 3 D 4 My answer is C. Am I right? But I think it could also be A.
Tuesday, June 16, 2015 by MARY

Math
there is a swimming pool, 3 meters in width and 4 meters in length. the owner wants to built a uniform deck around the swimming pool which is 3 times of the area of the pool. what's the width of the deck?
Tuesday, June 16, 2015 by Eric

math
what is the volume of the inside cylinder to the nearest whole number. use 3.14 for pi. r=8 h=18 the other top part is 5. my answer was 508.68 and rounding is 509
Tuesday, June 16, 2015 by siulanis perez

math
what is the surface area of the triangle prism. b=9 h=12 side=7 side=15 the answer is 413.39
Tuesday, June 16, 2015 by siulanis perez

math
what is the volume of the cylinder to the nearest whole number? use 3.14 for pi r=4 h=10 my answer is 502.65 and rounding it is 503
Tuesday, June 16, 2015 by siulanis perez

math
what is the volume of the rectangular prism w=7 l=23 my answer was 644
Tuesday, June 16, 2015 by siulanis perez

math
find the unknown lenght of a rectagular prism. Lenght=15 volume=180 ft square with= 4 ft my answer is x=120
Tuesday, June 16, 2015 by siulanis perez

math
I need help thank you what is the volume of the prism High= 12 Base=14 side= 9 my answer was 756.
Tuesday, June 16, 2015 by siulanis perez

math
solve each of the following initial value problems and plot the solutions for serveral variables of ynaught a)dy/dt = -y+5 I got to the point where I have: y= ce^-t + 5 they give y(0)=y(naught) so I tried plugging in 0,0 and got c to be -5. but the answer they give in the back...
Tuesday, June 16, 2015 by sara

MATH
A theater puts on a play and it's overhead is $750. It will charge adult's $5 per ticket and students $3 per ticket. The theater holds 200 people. What is the maximum profit? (How many adult tickets will be sold and how many student tickets will be sold?)
Tuesday, June 16, 2015 by Anonymous

math
the billions period has three different even digits whose sum is 12. each of the other places is occupied by 8. what is the number?
Tuesday, June 16, 2015 by Anonymous

math
There is 70m of fencing wire which is used to create 3 sides, brick wall is used for the 4th side. Calculate the maximum area of the rectangle, and state it's dimensions. (I got the correct maximum area but can't figure out how to get the side lengths.) I started with ...
Tuesday, June 16, 2015 by Side length of a question help

Math
The question is: A gardener wishes to create a rectangular bed. There are 70 meters of fencing wire which will be used to fence three sides of the garden bed, with a brick wall forming the fourth side. Calculate the maximum area of the garden bed that can be created, and state...
Tuesday, June 16, 2015 by Side length of a question help

Math
Think of a five-digit number composed of odd numbers. The thousands digit is two less than the ten thousands digit but two more than the hundreds digit. The tens digit is two more than ones digit which is four less than the hundreds digit?
Tuesday, June 16, 2015 by Maitess

math
Bob does 2/7 of a book in 1 hour.how long will he take to do the remaining work?
Tuesday, June 16, 2015 by Ahmed

Math
to determine the number of catfish in a pond, a game warden catches 131 catfish, tags them and throws them back into the pond. later, 20 catfish are caught, 10 of them are tagged. How many catfish would the game warden expect to be in the pond? 131/10 20/x
Monday, June 15, 2015 by Kayla

math
last one is $300
Monday, June 15, 2015 by sara

math
From the following data calculate final balance and forward it in the pay stubs. Beginning balance $2000 Jan 2 Deposit $500 Jan 10 Check written to Alex company $600 Jan 16 Check written to Angels Company
Monday, June 15, 2015 by sara

Math
What is the approximate average of these numbers: 9,18 and 31?
Monday, June 15, 2015 by Elizabeth

Math
Vicky bought 6 and 2/3 yards of one type of ribbon and 4 and 3/4 yards of another type of ribbon to make hair bows. If each bow takes 1 and 1/2 yards, how many hair bows can she make?
Monday, June 15, 2015 by Breanna

math
in a booster club, 1/8 of the members are men. How many male members are in the club.
Monday, June 15, 2015 by Anonymous

math
In a class of 40 students 18 passed economics 19 passed accounts 16 passed economics 6 passed mathematics only 9 passed accounts only 5 passed mathematics and accounts only 2 passed accounts and economics only. How many failed in all the papers? How many failed in economics? ...
Monday, June 15, 2015 by david

Math
Sorry I wasn't finished with the problem. Fijisawa Inc. is considering a major expansion of its product line and has estimated the following cash flows associated with such an expansion. The initial outlay would be $1,980,000, and the project would generate incremental ...
Monday, June 15, 2015 by Alicia

MATH
If the demand function for a commodity is given by equation p^2+12q=18 and the supply function is given by the equation 700-p^2+6q=0, find the equilibrium quantity and price
Monday, June 15, 2015 by tracy

Math
Fijisawa Inc. is considering a major expansion of its product line and has estimated the following cash flows associated with such an expansion. The initial outlay would be $1,980,000, and the project would generate incremental free cash flows of $490,000 per year for 6 years...
Monday, June 15, 2015 by Alicia

Math - NPV & IRR
East Coast Television is considering a project with an initial outlay of $X ( you will have to determine this amount) It is expected that the project will produce a positive cash flow of $60,000 a year at the end of each year for the next 16 years. The appropriate discount ...
Monday, June 15, 2015 by Callie

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