Thursday
May 5, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math
Phil is making a number cube out of cardboard . He traces one face of the number cube onto a coordinate grid . The coordinates of two opposite vertices of the face are (4, 8) and (12, 16) . What is the surface area, in square units, of Phil’s entire number cube?
Saturday, March 26, 2016 by Lakshmi

math
The coordinates of the vertices of a quadrilateral are given below . (2, 3) (8, 3) (8, 11) (11, 7) What is the area, in square units, of the quadrilateral?
Saturday, March 26, 2016 by Lakshmi

math
A factory finds out that on the average 20% of bolts produced by the given machine will be defective.if 10 bolts are selected at random from the day's production of this machine,find the probability that 1.exactly 2 will be defective. (this question is base on probability ...
Saturday, March 26, 2016 by farahan

math
A council consists of 10 members.four are NDC,three are NPP and three are from other parties.if a committee of three is to be selected,find the probabilities following: I.one of each party. II.Two NPP and one from other parties. III.one from other parties and two NDC
Saturday, March 26, 2016 by farahan

math
An insurance sales representative selects three policies to review.the group of policies he can select from contains eight life policies,five automobile policies and two homeowner's policies.find the probability of selecting: I.all life policies. II.both homeowner's ...
Saturday, March 26, 2016 by farahan

math
The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For these questions, assume these values are not changing from year to year, and that the population of the United States is 312 million people. Cause Deaths Passenger car occupant 13,...
Saturday, March 26, 2016 by Chistopher

math
A store owner receives 12 computers:nine are model A and the rest are model B.if two computers are sold at random,find the probability that one of each model is sold
Saturday, March 26, 2016 by farahan

math
A factory finds out that on the average 20% of bolts produced by the given machine will be defective.if 10 bolts are selected at random from the day's production of this machine,find the probability that 1.exactly 2 will be defective. 2. 2 or more will be defective 3. More...
Saturday, March 26, 2016 by farahan

Math
Ann is x years old and her sister is 2 years older. If the product of their ages 80. Form an equation in x and solve to find the age of each. ______________________________________ I got up to, x + 2x = 80 x + 2x - 80 = 0 and now im confused... this is for an exam, help?
Saturday, March 26, 2016 by Luna

Math
66:36::18:?
Saturday, March 26, 2016 by Sanjay

math
Explain how you knew whether the sum was in simplest form in problem #1. 5 3/8 plus 2 1/4 (the fractions are mixed numbers)
Friday, March 25, 2016 by Mackenzie

math
I am a three digit number the sum of my digits is 10. my first digit and my last digit are the same what number am i? A 181 B 262 C 343 D 505
Friday, March 25, 2016 by lilly

math
A couple plans to have three children. What is the probability that a) they have all boys? Preview b) they have at least one girl?
Friday, March 25, 2016 by vinicio

Math
f the air temperature at ground level is 90degrees°​F, the air temperature x miles high is given by ​T(x)equals=90minus−19x. Determine the altitudes at which the air temperature is from 52degrees°F to 42.5degrees°F.
Friday, March 25, 2016 by John

math
In a lottery game, a player picks 9 numbers from 1 to 43. How many different choices does the player have if order doesn't matter?
Friday, March 25, 2016 by Anonymous

Math
Tericho earns $8.80 per hour working at an ice cream shop. Janelle's earning at a drugstore follow the pattern in the table. Number of hours:3= $25.50, 7=$59.50, 12=$102 and 20=$170. Who makes more money per hour? By how much? . Thanks.
Friday, March 25, 2016 by Griselda

Math
Indira is wrapping the box with a length of 8 in. , a width of 6 in. , and height of 3 in. How much wrapping paper does she need?
Friday, March 25, 2016 by Anonymous

Math
The point ( -1.5,-2) is reflected across the y-axis, What are the coordinates of the point after the reflection?
Friday, March 25, 2016 by Anonymous

Math
A store manager set up a cardboard display to advertise a new brand of perfume. The display is a square pyramid whose base is 18 inches on each side. The height of each triangular face of a puramid is 12 inches. How much cardboard was used to make the display.
Friday, March 25, 2016 by Anonymous

math
A person going to a party was asked to bring 5 different bags of chips. Going to the store, she finds 14 varieties. How many different selections can she make?
Friday, March 25, 2016 by Anonymous

math
Maggie has a box of 300 colored blocks.The box has a equal number of green and blue blocks and an equal number of red and yellow blocks.If Maggie arranged all of the green blocks in stacks of 10 and all of the blue blocks in stacks of 7,how many yellow blocks are in the box?
Friday, March 25, 2016 by xavier

math
Laptop screen sizes are determined by the length of the diagonal portion of the screen. A laptop has a 12 inch width and the height measures 10 inches draw a diagram and calculate the screen size.
Friday, March 25, 2016 by Anonymous

math
A metal worker has a metal alloy that 15% copper and another one is 70% copper. how many kilograms of each alloy should the metalworker combine to make 120kg of a 48% copper alloy?
Friday, March 25, 2016 by Anon

math
A metal worker has a metal alloy that 30% copper and another one is 55% copper. how many kilograms of each alloy should the metalworker combine to make 50kg of a 50% copper alloy?
Friday, March 25, 2016 by Anon

Math
A certain recipe asks for two thirds cups of granola how much do you need to make 1/7 of a recipe
Friday, March 25, 2016 by Jennifer

Math
Johns car can travel 26 miles on a gallon of gas. There are 2.5 gallons of gas in the tank. How far can jones car travel using the gas in the tank . 2.5 + 26 = 5.1
Friday, March 25, 2016 by Anonymous

Math
Approximate .68 inch to the nearest eighth of an inch
Friday, March 25, 2016 by Anonymous

math
How many bricks of 22 centimetre x 10 centimetre x 7 centimetres are required to construct up a wall 33 metre long 3.5 metre high and 40 centimetre thick if cement and sand used in the construction occupy 110th the part of the wall
Friday, March 25, 2016 by shubham

Math
Add twenty-seven and thirty-six hundredths, eight and nine hundredths, and sixty-five and seventy-three thousandths
Friday, March 25, 2016 by Anonymous

Math
What is the perimeter of a isosceles triangle that has 2 sides that are 22 inches?
Friday, March 25, 2016 by Anonymous

math
A number consists of two digits whose sum is 9. if three times the number is equal to eight times the number formed by interchanging the digits. find the number
Friday, March 25, 2016 by reshman

Math
the circumference of mars is 10.664km find the diameter mars to the nearest km A.17.256Km B.3.396km C.333 D.259
Friday, March 25, 2016 by NickWilde

Math
Mrs. Mati is setting up two rest stops for a race. There are 24 gallonsvof lemonade total at the two stops.The second stop has twice as many as the first stop.How many gallons of lemonade are at each rest stop?
Friday, March 25, 2016 by Alaina

Math
I walk 4km at 8km/h and then jog 6km at 12km/h. Find the total time taken and the average speed for the whole journey.
Thursday, March 24, 2016 by Garey

Math
a circle is divided into 9 equal parts. That is the angle measure of two of those parts?
Thursday, March 24, 2016 by T

Math
Zeke earns a living selling computers. He is paid 12/h plus a 8% commission on sales. What dollar amount of computer sales must Zeke make to earn $1000 in a 40-h work week.
Thursday, March 24, 2016 by Lyra

math
sandra brings cheese and crakers for lunch every 6 days, and lily brings cheese and crakers every 8 days. if they both brought cheese and crakers today, how many days will it be before both girls bring cheese and crakers again
Thursday, March 24, 2016 by mary

Math
What is the maximum perimeter of an isosceles triangle whose side length are 5x+20,3x+76, and x+196?
Thursday, March 24, 2016 by Anonymous

math
according to the blue line about how many weeks of practice are required to achieve a score of 50? 15 17 19 21
Thursday, March 24, 2016 by gabby

math
If a phone company charges 0.25 per minute how much minutes will $25 give me?
Thursday, March 24, 2016 by josiah

Math
in every bag of m/m's, 30% are red. If 52 m/m's are in the bag, what % are not red.
Thursday, March 24, 2016 by Anna

math
88 is the product of Rick's score and 8
Thursday, March 24, 2016 by Renee

math
Bill takes a lot of $9,000 and an 8% simple interest rate for 6 years How much interest will Bill pay after 2 years? How much interest will he pay in total for the loan ? $720.00;3,600.00 $1,408.00;4,224.00* $36,000.00;12,000.00 $1,440.00;$4,320.00 Plz check answer
Thursday, March 24, 2016 by Haley

math
what is .69 repeating in its simplest form? I need help
Thursday, March 24, 2016 by lisa

Math
A tennis racket is offered at 25% off. Including 7% sales tax, the final price is $67.41. What is the original price, without tax or discount?
Thursday, March 24, 2016 by Lydia

math
Simplify the following expression 1/2(14x-2)-1/4(-4x-24) HELP ME
Thursday, March 24, 2016 by Lexi

math
a nut mixture is made from two types of nuts: one type selling for 7.50/kg the other selling for 9.50/kg what mass of each type of nut should ne included in a 3 kg mixture that sells for 25
Thursday, March 24, 2016 by chris

math
list all of the intergers there are between 13 & 50
Thursday, March 24, 2016 by Anonymous

English
1. Math is complex, but it's necessary. 2. Social studies looks simple, but it's informative. 3. Chinese characters is not simple but complex. 4. Technical arts is useful and important. 5. Home economics is both necessary and useful. 6. Fine arts is neither useful nor ...
Thursday, March 24, 2016 by rfvv

Math
Show using integration by parts that: e^3x sin(2x)dx = 4/26 e^3x (3/2 sin(2x) - cos(2x)) +c Bit stuck on this. Using rule f udv = uv - f vdu u = e^3x dv + sin(2x)dx f dv = v du/dx = 3e^3x v = -1/2 cos(2x) so uv - f vdu: = (e^3x)(-1/2 cos(2x)) - (-1/2 cos(2x))(3e^3x) Don't ...
Thursday, March 24, 2016 by Danny

Math
The perimeter of a sqare plot obtained by adding additional land measuring equal area is ?
Thursday, March 24, 2016 by Rekha

Math
The experimental probability that Mindy will win a game of chance is 2/5. The experimental probability that James will win the game of chance is 5/8. If they each play 200 games, who will win more games and by how much? work: I made 2 proportions 2/5 = x/200 5x = 400/5 x = 80 ...
Thursday, March 24, 2016 by Pleasecheckmyanswer

MATH
Jason remembers nine digits of a ten digit phone number. He remembers that the last digit is an even number. If he guesses that last digit, what is the probability that he dials the correct number? My answer: 1/5 probability
Thursday, March 24, 2016 by Pleasecheckmyanswer

Math
A ball is thrown striaght up from a height of 3 ft with an initial velocity of 40 feet per second. How high will the ball go? Assume that the only force acting on the ball is gravity where the acceleration due to gravity is -32 feet per second per second.
Thursday, March 24, 2016 by Brandon

Business Math icom 1
Find the ordinary interest in a loan of Rs.2600 at 10 % simple interest from January 5 to February 10.? Find the present value of Rs.3600 due in 4 months at 6% interest p.a.? At what annual rate percent of interest would Rs.12500 amount Rs.14375 in 2 years & 6 months.? How ...
Thursday, March 24, 2016 by Mian g

Math
Shelly wants to eat no more than 2,000 calories a day. If she eats 3 meals a day, write and inequality to represent c,the largest amount of calories she can eat per mean.
Thursday, March 24, 2016 by Alexas

math
When I was considering what to do with my $10,000 Lottery winnings, my broker suggested I invest half of it in gold, the value of which was growing by 7% per year, and the other half in certificates of deposit (CDs), which were yielding 3% per year, compounded every 6 months. ...
Thursday, March 24, 2016 by alexia

math
four more than the product of 19 and Vanessa's age
Thursday, March 24, 2016 by Renee

Math
If 100 students are surveyed, about how many students own 2 or more pets? Explain please 0 pets __________ 1/20 1 pet __________ 1/2 2 0r more _______ 9/20 Thank you very much
Wednesday, March 23, 2016 by Liz

Math
40-4k to the powerr of 3 for k=2
Wednesday, March 23, 2016 by Curtis

Math
Sadie ate 2/8 of a small pizza.Josef ate 2/8 of a large pizza.Did sadie and Josef eatbthe same amount of pizza? Explain.
Wednesday, March 23, 2016 by Frog

math
1) A rectangular tank, 15 cm long and 20 cm wide, is filled with water to a depth of 12 cm. When a rock is put in, the water level rose to 15 cm. What is the volume of the rock?
Wednesday, March 23, 2016 by Terry

Math
Mike drank more than half of his glass of juice. What fraction of juice could mike have drank?
Wednesday, March 23, 2016 by Anonymous

Math
your child plays basketball your child scored points in the following 5 games: 8 10 4 6 6. What are the average points per game
Wednesday, March 23, 2016 by Ka'Dashia

Math
Ruth and tom have the same point driving in opposite directions. Traffic conditions enable Tom to average 10 km/hr more than Ruth. After two hours, they are 308 km apart. Find the speed (Rate) of each person.
Wednesday, March 23, 2016 by Anonymous

Math
The experimental probability that Alexander wins a tennis match is 0.21. If he plays 40 tennis matches in the next week, about how many matches can Alexander expect to lose? Is it 32 matches?
Wednesday, March 23, 2016 by Pleasecheckmyanswer

math
Jay is going to cover his kitchen floor with tiles that are each 1 square foot. The floor is shape in a rectangle that is 4 feet wide and 9 feet long. How many tiles are needed to cover the floor.
Wednesday, March 23, 2016 by mona

math
Ito is training to run a 10 kilometer race in five months. His current pace is 6.25 minutes per kilometer. He wants to constantly increase his speed each month until he is running a 5.5 minute kilometer. Ito needs to increase his pace by ____ each month. Complete the equation ...
Wednesday, March 23, 2016 by John Doswell

Math
A cube has a surface area of fifty-four square centimeters. What is the volume of the cube?
Wednesday, March 23, 2016 by Anonymous

Math
If each person at a picnic drinks 710 milliliters of soda , how many two-liter bottles are needed for ten people Plz explain clearly answer now!!!
Wednesday, March 23, 2016 by Akeel

Math
Ito is training to run a 10 kilometer race in five months. His current pace is 6.25 minutes per kilometer. He wants to constantly increase his speed each month until he is running a 5.5 minute kilometer. Ito needs to increase his pace by ____ each month. Complete the equation ...
Wednesday, March 23, 2016 by John Doswell

math
A class has 35 students, there are 9 more boys then girls. how many girls are there? write an equation to find the girls
Wednesday, March 23, 2016 by ooocoool

math
I took a test today that had 50 questions I needed 70 percent to pass I missed 10 questions what is my percent?
Wednesday, March 23, 2016 by frank

Math- probabilities
A gumball machine contains 6 red gumballs and 6 white gumballs. Two gumballs are purchased, one after the other, without replacement. Find the probability that at least one gumball is white. Express your answer as a decimal, rounded to the nearest hundredth.
Wednesday, March 23, 2016 by Brenda

Business math
Karen obtained a $26,000 loan at 4.6% compounded semiannually. a-1. What monthly payment will repay the loan in 8 1/2 years? (Do not round intermediate calculations and round your final answer to 2 decimal places.) Monthly payment $ a-2. How much interest will Karen pay over ...
Wednesday, March 23, 2016 by Larissa

English
Thank you for yoiur help. 1. Emily in in math class. 2. Emily is in a math class. 3. Emily is in a math classroom. ================ #1 mean that Emily is learning math from a math teacher. Am I right? #2 and #3 are the same, aren't they? #1 and #2 are not the same in meaning?
Wednesday, March 23, 2016 by rfvv

Math
The cafeteria made 96 ounces of pudding. They put the pudding into 7-ounce cups. How many of the cups of pudding can the cafeteria fill completely?
Wednesday, March 23, 2016 by Pinkie

Math
How do i do a solution for the problem.
Wednesday, March 23, 2016 by Becky

Math
Scores from the same benchmark test are collected from two algebra classes, each with 30 students enrolled. One class had a mean score of 79 with a mean absolute deviation of 5, and on the other hand a mean score of 81 with the mean absolute deviation of 10. What can be said ...
Wednesday, March 23, 2016 by Me

math
Marianna's cell phone company charged her an upfront fee and a monthly fee. After three months of service, she had paid a total of $154.95. After a year of service, she had paid a total of $559.95. Her monthly fee was $______. The upfront fee was $______. How could one ...
Wednesday, March 23, 2016 by John Doswell

math
My cousin needs help on hw and im too lazy to take out my papers.so what is 5/6 times 12???
Wednesday, March 23, 2016 by ximena

English
At school, he learns 10 subjects such as math, science, social studies, computers, ethics, etc. He is in math class now. He has a cell phone. He is sitting at the back. One of his friends calls him and asked "Which class are you in?" What is the answer to the ...
Wednesday, March 23, 2016 by rfvv

Math
Four angles are put together, forming a straight angle. Two of the angles are the same size. The other two angles are also the same size but different from the other two. If one angle of the four angles is 40 degrees, what are the measures of the other three angles
Wednesday, March 23, 2016 by Melissa

English
There are 7 classes for first year students. Each class is composed of about 30 students. Emily is a student of Class 1-2. One of his classmates who went to the same elementary school asks: Which class are you in? What is the answer to the question? 1. I'm in Class 1-2. 2...
Wednesday, March 23, 2016 by rfvv

math
Gustavo is making sushi rolls. He needs 1/3 cup of rice to make each roll. If he has 4 cups of rice, how many sushi rolls can he make?
Wednesday, March 23, 2016 by ximena

math
Hailey has a dozen Easter eggs 2/3 of the eggs are blue how many of the Easter eggs are blue? Please answer quickly!
Wednesday, March 23, 2016 by ximena

English
Posted by rfvv on Tuesday, March 22, 2016 at 11:55pm. Which class are you in? 1. I'm in class 1-2. (I am a member of Calss 1-2. In the classroom, there are 30 students.) 2. I'm in math class. (I'm listening to the math teacher. It's time for studying math...
Wednesday, March 23, 2016 by rfvv

math
hourly truck rental terms, hourly rental rate is $25,plus $0.30 per mile john rented truck at 9:00am and returned it at 1:30 he drove a total of 100 miles? how much was he charge for time and milage?
Wednesday, March 23, 2016 by tina

math
How can you find the volume of a rectanglar prism using a model?!!!
Wednesday, March 23, 2016 by sarah

math
Hailey has a dozen Easter eggs. 2/3 of the eggs are blue. How many of the Easter eggs are blue?
Wednesday, March 23, 2016 by ximena

math
A digital TV box can store 120 hours of programmes. The average length of different programmes is shown here: .Films=1.5 hours each .Sports=2 and one quarter hours each .Nature=75 minutes each Amy has re orded 12 films,9 sports and 15 nature programmes. She calculates that she...
Wednesday, March 23, 2016 by kiki

Math
You owe $1,350.00 on a credit card with a 14.25% APR. You pay $300.00 at the beginning of the month. How much interest do you save by paying at the beginning of the month versus at the end of the month?
Wednesday, March 23, 2016 by Kevans

Math
Twice the sum of five and a number is eight less than four times the number
Wednesday, March 23, 2016 by Xana

Bus. Math
What is the net price equivalent Rate of 9-15/18? a) .63427 b) .36427 c) .63573 d) .36573 Answer: B?
Wednesday, March 23, 2016 by Ash

Math
Determine the value of c for the quadratic expression. X^2-14x+c
Wednesday, March 23, 2016 by Marie

math
Algebraic expression f - 7.3
Wednesday, March 23, 2016 by Isabella

Math
Marianna's cell phone company charged her an upfront fee and a monthly fee. After three months of service, she had paid a total of $154.95. After a year of service, she had paid a total of $559.95. Her monthly fee was $______. The upfront fee was $______. How could one ...
Wednesday, March 23, 2016 by John Doswell

Math
I need 27 2x4 50" long how many feet do I need
Wednesday, March 23, 2016 by Steve

math...help plz
estimate a 20% tip on a taxi ride that costs $21.30.show your work (no options or answer choices)
Wednesday, March 23, 2016 by Xxdakota~chanxX

math
The mean of 14 numbers is 50. Removing one of the numbers causes the mean to decrease to 43. What number was removed?
Wednesday, March 23, 2016 by Aaron

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