Wednesday
September 28, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
S = 2πr2 + 2πrh
Sunday, September 18, 2016 by Carlos

Math
The maximum horizontal range of a projectile is given by the formula R=u^2/g, where u is the initial velocity and g is the acceleration due to gravity. Find the velocity with which a ball can be thrown to have a maximum range of 20 meters when the acceleration due to gravity ...
Sunday, September 18, 2016 by John Dosley

math
Sarah and Joe are seeking to join a gym. Sarah saw on television that Great Gym is offering membership at $19.50 per month, plus a one-time registration fee of $59. Joe plans to join Wacky Workout World because Wacky Workout World only charges $9.50 per month, plus a one-time ...
Sunday, September 18, 2016 by abdullatif

math
Sarah and Joe are seeking to join a gym. Sarah saw on television that Great Gym is offering membership at $19.50 per month, plus a one-time registration fee of $59. Joe plans to join Wacky Workout World because Wacky Workout World only charges $9.50 per month, plus a one-time ...
Sunday, September 18, 2016 by abdullatif

math
Sarah and Joe are seeking to join a gym. Sarah saw on television that Great Gym is offering membership at $19.50 per month, plus a one-time registration fee of $59. Joe plans to join Wacky Workout World because Wacky Workout World only charges $9.50 per month, plus a one-time ...
Sunday, September 18, 2016 by abdullatif

math
Sarah and Joe are seeking to join a gym. Sarah saw on television that Great Gym is offering membership at $19.50 per month, plus a one-time registration fee of $59. Joe plans to join Wacky Workout World because Wacky Workout World only charges $9.50 per month, plus a one-time ...
Sunday, September 18, 2016 by abdullatif

Math
The equation of the motion of a body suspended by a spring is T=2π√m/k, where T is the time period, m is the mass of the body, and k is the force constant of spring. use this information to find the time period if a body of mass 10 kg is suspended by a spring of ...
Sunday, September 18, 2016 by Jourrapide

Math
Suppose two cards are drawn from a well-shuffled deck of 52-cards. What is the probability that both cards are face cards? What formula would I use?
Sunday, September 18, 2016 by Liam

Math
You roll two fair dice. Let E be the event that an even total shows on the dice. Let F be the event that a three shows on at least one die. Find P(F) and P(F∣E).
Sunday, September 18, 2016 by Hannah

Math
A 14 inch board is to be cut into 3 pieces so that the second piece is twice as long as the first piece and the third piece is 4 times as long as the first piece. If x represents the length of the first piece find the lengths of all three pieces
Sunday, September 18, 2016 by Anonymous

Math
Jason has 20 coins that are only dimes and quarters. The total value is $2.75. How many of these are quarters? I tried answering it but I got 5 quarters. I'm not so sure if that's the right answer. Can you show me the equation and the right answer to see if I'm ...
Sunday, September 18, 2016 by Anonymous

Math
How will you add,subtract,multiply, and divide 14,2,7,3,and 9 in that form to get to the answer 10.
Sunday, September 18, 2016 by Lindy

Math
How do I show that the sum of 2 consecutive integers is always odd? I'm stuck on this question. Can you explain and show how to solve this? Thank you! :)
Sunday, September 18, 2016 by Anonymous

Math
During summer vacation, Sanjay writes letters and postcards to his friends at home. A letter costs $0.41 to mail and a postcard costs $0.21 to mail. Sanjay writes to 8 friends and spends $2.08. How many letters and postcards he sends.
Sunday, September 18, 2016 by Karen

Math
The sum of 5 consecutive even integers is 50. What is the middle one? Can you show the equation and how you solved it please?
Sunday, September 18, 2016 by Anonymous

Math
How do I show that the sum of 3 consecutive odd integers is a multiple of 3? Can you please help me answer this question? My teacher didn't explain on how to solve it very well.
Sunday, September 18, 2016 by Anonymous

Math
Show that the sum of 3 consecutive odd integers is a multiple of 3? I'm not so sure on how to answer this question, can you please help and show me on how to find it?
Sunday, September 18, 2016 by Anonymous

Math
Factorise x^3+1/1/x^3 (i.e x cubed plus 1 and 1 over x cubed) how is it done? Thanks
Sunday, September 18, 2016 by Ackron.Z

Math
If we toss four fair coins, what is the probability that we get more heads than tails? HHHH TTTT HHTT TTHH HTHT THTH HHHT TTTH HTTH THHT Would the answer be 2/10? I am a little confused. Thanks for the help!
Sunday, September 18, 2016 by John

Math
mrs sharma spends 5/8 of his income which is 5000 on food what is his income
Sunday, September 18, 2016 by Shahd

Math
What are the odds of drawing a 5 from these cards? 1,2,3,4,5 I do not understand how to solve this. Thanks
Sunday, September 18, 2016 by Katie

Math
270 tickets were sold at a school event. The total money collected is $1700, if the adults cost $10 and the student section cost $5. How many adult tickets were sold? My teacher gave this to us but he didn't explain it how. Can you help me answer this question and show the...
Sunday, September 18, 2016 by Anonymous

Math
Your long distance telephone providers offers two plans.Plan A has monthly fee of $15 and $0.25 per minute. Plan B has a monthly fee of $20 and $0.05 per minute.Write and solve an equation to find the number of minuts that you must talk to have the same cost for each of the plans
Sunday, September 18, 2016 by Lara

Math
Remember each team has to have same number of boys and thr same number of girls. There are 12 boys and 15girls. How many teames can be formed?
Sunday, September 18, 2016 by Shanti

Math
Last month a store sold 4 times as many tapes as CDs. If the total quantity of these two items sold was 360, how many tapes did the store sell?
Sunday, September 18, 2016 by Anonymous

Integrated Math
If (c) were f(x)=-4/(k+7) what value of k would be excluded from the domain? I know that we cant have 0 in the denominator. I solved the following: k+7=0 Value cannot be -7
Sunday, September 18, 2016 by Bill

Math
The minute hand of a colck is 10cm long.How far does the minute hand move in 1 hour?
Sunday, September 18, 2016 by Nick

College Math
One manufacturer needs to calculate the net price of an order with a list price of ​$800 and a trade discount series of 12​/9​/4. Use the net decimal equivalent to find the net price.
Sunday, September 18, 2016 by CC

math
What is the rule for this function? input 1 output 2 input 2 output 5 Input 3 output 12 Input 4 output 34 Input 5 output 135 Input 6 output 741
Sunday, September 18, 2016 by Rima

Math
a triangle is 6 cm wider that it is tall. The area is 56 cm². Find the height and the base.
Sunday, September 18, 2016 by Holli

Math 2
Solve for x (√3)sinx - cosx = 2 X is smaller than 360 degrees Help
Sunday, September 18, 2016 by weirdo

math
The base of a prism is a right angled triangle with its two shorter sides are equal to 4cm and 8cm.The prism is 10cm long.
Sunday, September 18, 2016 by need help

math
What is the rule for this function? input 1 output 2 input 2 output 5 Input 3 output 12 Input 4 output 34 Input 5 output 135 Input 6 output 741
Sunday, September 18, 2016 by Rima

Math
In class 3 there are 30 pupils. There are 20 girls and 10 boys. A.What fraction of the pupils are girls? B. What fraction of the pupils are boys?
Sunday, September 18, 2016 by Jalen

Math
The area of a plot of land on map A is 800cm^2. Calculate the area of the same plot of land on map B which has a scale of 1:5000. (Scale of map A is 1:3400)
Sunday, September 18, 2016 by Jade

Math
In aclass of 100 students the average mark in math paper is 60.the average mark for the top 30 students is 80.find the average mark for the remainning 70 students.
Sunday, September 18, 2016 by Kemigisha

math
MR Zheng sold a total of 576 muffins and cookies the ratio of the number of muffins sold to the number of muffin sold to the number of cookies sold was 4:5> how many muffin were sold and how many more cookies that muffins were sold
Sunday, September 18, 2016 by melanie

math
A box filled with 38 identical balls had a mass of 2.13kg.When 26 balls were removed,the total mass of box and the remaining balls was 0.96 kg.Find the mass of the box when it was empty
Sunday, September 18, 2016 by melanie

math
If a, b and c share a bag of mangoes in the ration 7:5:14 and b recieves 18 mangoes less than c, how many mangoes does c recieve.
Sunday, September 18, 2016 by tjay

Math
the Pythagorean theorem a square + b square = c square a square + x square = 4 square how to find x square?
Sunday, September 18, 2016 by lulu

Math
One number is 5 more than another. The quotient of the larger divided by the smaller is 4/3. Find the number
Sunday, September 18, 2016 by Kim edurise

Math
The average of four numbers is 33. Three of the numbers are 21, 42 and 32. Find the fourth number.
Sunday, September 18, 2016 by Gayathri

math
The ratio of two angles is 3:1 find the larger angle if the smaller is 180
Sunday, September 18, 2016 by Anonymous

math
The length of the room is 9 meter, its floor is tiled by using 96 square tiles of 0.75m x0.75m each. What is breadth of the room?
Sunday, September 18, 2016 by prabh

Math
Adding and subtracting rational expressions. 3x/x^2+x-12 - x/x^2-16
Saturday, September 17, 2016 by Meg

math- study question for final
You are given a sample of 106 body temperatures having a mean of 98.2 F and a standard deviation of 0.62 F. You are asked to test the hypothesis that the population mean body temperature is 98.6 F using a 0.05 significance level. What value should you use for the test ...
Saturday, September 17, 2016 by Danielle

Math
Adding and subtracting rational expressions. 1/6m + 2/5m +4/m then simplify
Saturday, September 17, 2016 by Meg

Algebra
1)More than 450 students went on a field trip. Ten buses were filled and 5 more students traveled in a car. a) Write an inequality to represent the situation. Be sure to define your variable. b) Solve the inequality to find the minimum number of people on each bus. b=# of ...
Saturday, September 17, 2016 by Elizabeth

Math question urgent
Mrs. Hart, at age 65, can expect to live for 25 years. If she can invest at 8% per annum compounded monthly, how much does she need now to guarantee herself $300 every month for the next 25 years? Present Value = 900(1 - 1.0041666..)^-300)/.0041666... = $153,954.05 I have ...
Saturday, September 17, 2016 by Karen

Math
Melissa collected 3 kinds of autumn leaves when she was walking today- Elm,maple, and oak. She has 2 times as many maple leaves as elm leaves. Altogether, she has 32 leaves. How many of each kind does she have?
Saturday, September 17, 2016 by Rebecca

math
A scuba diver dove from the surface of the ocean to an elevation of −99 9 10 feet at a rate of −30.7 feet per minute. After spending 14 minutes at that elevation, the diver ascended to an elevation of −8 9 10 feet. The total time for the dive so far was 21 1 ...
Saturday, September 17, 2016 by john

Math
Please help me with this question. 4x^2-3x-3 = 0 has roots p, q. Find all quadratic equations with roots p^3 and q^3. I think I do know how to do it but no matter how many times I try, I could never get the right answer. Please help me!!
Saturday, September 17, 2016 by Barbra

math
each letter in the following problems represents a different number 0 + 9. letters remain constant witin the problems. can you figue out what number each letter represes? he + me = we
Saturday, September 17, 2016 by holly

college math
The difference between sixsix times a number and sevenseven more than threethree times the number.
Saturday, September 17, 2016 by Anonymous

Math
I really need help with a quadratic question. So the problem is kx^2+[k+2]x-3=0 has roots which are real and positive. Find the possible values that k may have. The answer is -8+ √60<k<0 I get why they got -8+ √60 but I don't understand the 0. I thought ...
Saturday, September 17, 2016 by Barbra

math
Share $150 among John Mary and Susan such that the two girls receive twice as much as John . How much does John receive
Saturday, September 17, 2016 by stephon

math
in a grain bin 90' in diameter 130'tall how many bushel of grain at 1.2445 cubic feet per bushel will the bin hold?
Saturday, September 17, 2016 by Fred

Math
A farmer uses 11/18 of his field for growing rice and 3/7 of the remaining field for growing tomatoes. Of the area thus left he uses 1/4 of it to grow spinach and the rest to grow sweet potatoes.What fraction of the field is used for growing sweet potatoes?
Saturday, September 17, 2016 by Samiya

math
Hoe to simplify this Log72/75-log50/48+2log25/24
Saturday, September 17, 2016 by Asha

Math
Make the smallest number possible , you may include a decimal point 1,7,0,3,8
Saturday, September 17, 2016 by Anonymous

Math
Gina's art teacher mixes 9 pints of yellow paint with 6 pints of blue paint create green paint. Gina mixes 4 pints of yellow paint with 3 pints of blue paint. Did Gina use the same ratio of yellow to blue paint instructed by her teacher? Explain. My Answer: 9/6=1 and 3/6= ...
Saturday, September 17, 2016 by Matt-Please Help

Math
Divide Rs 5000 in the ratio 2:3:5
Saturday, September 17, 2016 by Hannah

Math
The table shows two cell phone plans that offer free minutes for each given number of paid minutes used. Pablo has Plan A and Sam has Plan B Plan A Free Minutes=2 Paid Minutes=10 Plan B Free Minutes=8 Paid Minutes=25 a. What is Pablo's ratio of free to paid minutes? 2:10 ...
Saturday, September 17, 2016 by Matt-Please Help

math
If 6 is added to the numerator and denominator of the fraction 7/9,what will be the value increase or decrease ?by how much ?i need solution answer
Saturday, September 17, 2016 by sheirra

MATH
Dave takes out a 24-year mortgage of 210,000 dollars for his new house. Dave gets an interest rate of 13.2 present compounded monthly. He agreed to make equal monthly payment, the first coming in one month. After making the 68th payment, Dave wants to buy a boat, so he wants ...
Saturday, September 17, 2016 by TT

English
1. Boys are better at math than girls. 2. He is the best at math of all the students in his class. (Are both grammatical?)
Saturday, September 17, 2016 by rfvv

Math
Mrs. Hart, at age 65, can expect to live for 25 years. If she can invest at 8% per annum compounded monthly, how much does she need now to guarantee herself $300 every month for the next 25 years?
Friday, September 16, 2016 by Karen

Math
The Martin family's truck gets an average o 25 miles per gallon. Predict how many miles they can drive using 7 gallons of gas? Answer: 25 miles per gallon x 7 gallons used=175 miles driven 175/7=25 Can you please check the above answer? Thank you
Friday, September 16, 2016 by Matt-Please Help

Math
1. The Suarez family paid $15.75 for 3 movie tickets. How much would they have paid for 12 tickets? $15.75/3=$5.25 for 1 ticket $5.25 x 12=$63.00 for 12 tickets 2. A grocery store sells snacks by weight. A six ounce bag of mixed nuts costs $3.60. Predict the cost of a two ...
Friday, September 16, 2016 by Matt-Please Help

Math
A recipe calls for 2/3 cup of sugar for every 1/2 teaspoon of vanilla.what is the unit rate of cups per teaspoon.
Friday, September 16, 2016 by Thalia

Math
If I paid a partial payment of 160 on the 9of Sept on a balance that's was due on 1 that have a fifteen dollar late fee and another on 16 same amount do u pay all interest charge plus late fee again and my monthly note 256 a month I pay 320 all together on 16
Friday, September 16, 2016 by Keisha

math
Share $150 among John Mary and Susan such that the two girls receive twice as much as John . How much does John receive
Friday, September 16, 2016 by stephon

MATH
Sarah and Joe are seeking to join a gym. Sarah saw on television that Great Gym is offering membership at $19.50 per month, plus a one-time registration fee of $59. Joe plans to join Wacky Workout World because Wacky Workout World only charges $9.50 per month, plus a one-time ...
Friday, September 16, 2016 by abdullatif

math
suppose the farmer buys another 1/2 square mile of land and divides all his land into square fields 1/4 mile long and 1/4 mile wide. how many fields will he have?
Friday, September 16, 2016 by Ray

Math
How would I solve x2+3x+1/4 into standard form? Would I multiply everything by 4 to cancel out the 1/4 so it will cancel it. Giving me 4x2+12+1 then factoring out
Friday, September 16, 2016 by Sam

math
Prove that Log384/5+log81/32+3log5/3-log9= 2.
Friday, September 16, 2016 by Asha

math
Simplify Log56/63-log100/108-log72/75
Friday, September 16, 2016 by Asha

math
7. Below, the standard addition algorithm is being used to add three two-digit numbers. 4z 27 +x5 y14 If x, y and z each represent a different digit from 0 to 9, what is the value of (x)(y)(z)?
Friday, September 16, 2016 by Anonymous

math
2/9v+4−2/3v=5 v= 3???
Friday, September 16, 2016 by Lucky star

math
1/3(b+4)=1/2 b=? b=2? I'm Lost...
Friday, September 16, 2016 by Mei misaki

Math
Quick question: What is 9 squared written in standard form? It should be 81 correct?
Friday, September 16, 2016 by Dani

math
Joan's basic week is 30 hours, she gets paid at $200 per hour. Determine her basic wage
Friday, September 16, 2016 by odecia

math
The area of rhombus is 42 meter square if its perimeter is 24 meter find its altitude
Friday, September 16, 2016 by shivam

Math
Iam a number between 4 and 10. My dicimal is in tenths l. The sum if my digit is 10.What number i can be?
Friday, September 16, 2016 by Jellian

Math
Ben buys some oranges at the rate of 10 per $. He also buys equal number of oranges at the rate of 12 per $. He mixes them together and sells them at 15 per $. Find his loss or profit percent.
Friday, September 16, 2016 by A GOODSTUDENT

Math
When Roberto got a puppy from the shelter it wieghed about 11 pounds. The puppy gained 40% of its original weight in the first month that Roberto had it. How much did the puppy weigh after the first month
Friday, September 16, 2016 by Kamryn

math
Group A's average weight is 162 pounds .Group B's average weight is 156 pounds.There are twice as many people in group B AS IN group A.What is the over all average weight ?
Friday, September 16, 2016 by Lalit

math
Jeremy takes out a 30-year mortgage of 220000 dollars at an annual interest rate of 7 percent compounded monthly, with the first payment due in one month. How much does he owe on the loan immediately after the 87th payment? I have tried 204311.1024, but not successful
Friday, September 16, 2016 by Karen

5th grade math
each letter represents a different digit from 1 to 9. what number TWO represents? ONE + ONE --------------- TWO i found two solution so far but only by trial and error, can someone tell me if there is more and what they are? 134 +134 ------ 268 356 +356 ----- 712
Friday, September 16, 2016 by edina

Math
Mabatini primary school sold to a nearby school a third of her sacks of beans harvested last year,and used one over four of the remaining for food.If the remaining sacks were sold to the pupils at the price of 8000 shillings each,and thus giving the total amount of 216000 ...
Thursday, September 15, 2016 by kelvin

Math
Ten years ago the age of Mukajange was one over five of that of his father then.Five years to come the age of Mukajange will be a half of that of his father.Find the present age of Mukajange.#####Please any one to help me
Thursday, September 15, 2016 by kelvin

Math
A express train travels along a straight line between two stations, A and D. Stations B and C are spaced evenly along the line between A and D. The engineer leaves A and accelerates at a constant rate until he passes station B, at which time he coasts with constant velocity. ...
Thursday, September 15, 2016 by Anonymous

MATH
Fupi used 0.2 of his salary,sh 32,800 per month for school fees,quarter of the remained amount,he deposited at the bank and the rest amount used for other expenses.How much were used for other expenses?******************To my side,i solved like this tell me whether i am ...
Thursday, September 15, 2016 by kelvin

Math
What amount of a 60% acid solution must be mixed with a 30% solution to produce 300 mL of a 45% solution?
Thursday, September 15, 2016 by Anonymous

8th grade math
How do you figure the height of a cube is the cubic inches if 750?
Thursday, September 15, 2016 by Tom

MATH
Fupi used 0.2 of his salary,sh 32,800 per month for school fees,quarter of the remained amount,he deposited at the bank and the rest amount used for other expenses.How much were used for other expenses?******************To my side,i solved like this tell me whether i am ...
Thursday, September 15, 2016 by kelvin

Math
Jade ran 6 times around her neighborhood to complete a total of 1 mile. How many times will she need to run to complete 5/6 of a mile?
Thursday, September 15, 2016 by Tommy

Math
A and B had some paper clips. A gave 40% of his clips to B. B's collection of paper clips rose by 305 to 260. How many paper clips does A had at first.
Thursday, September 15, 2016 by Tj

Math
what is the smallest number that 54 can be multiplied by to give a perfect square?
Thursday, September 15, 2016 by lulu

Math
What is 4,-6,0,8,-9 in ascending order
Thursday, September 15, 2016 by Uggg

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