Tuesday

October 6, 2015
**Math**

the sum of the ages of rex, ben and alfred is 36 years, two years ago, ben was 3 times as old as rex was then, 8 years from now, alfred will be twice as old as ben will be then. find their present age.
*Tuesday, September 29, 2015 by arianne*

**Math**

How to simplify the expression using De Moivre's theorem? The question is cos 2x + i sin 2x / cos 3x + i sin 3x.
*Tuesday, September 29, 2015 by Megan Choong*

**Math**

What is the greatest six digit even number that matches all of the clues The ten thousands digit is twice the tens digit The hundred thousands digit is more than six The thousands digit can be divided by the ones digit No digit is used more than once
*Monday, September 28, 2015 by Billy*

**math**

In how many ways can 6 students be seated in a row of 6 chairs if Shane insists on sitting in the first chair?
*Monday, September 28, 2015 by maritza*

**Math**

my son was asked to find each product by factoring the tens, and to draw rectangles if needed to on 6x2, 6x20, and 6x200. I'm not sure how to do this. please help me
*Monday, September 28, 2015 by Andrew*

**math**

a ribbon is 3 2/3 yards long. Mae needs to cut the ribbon into pieces that are 2/3 yard long. I try 3 2/3 divided by 2/3 so the answer I get is 5 1/2. but when I used the model section I get 5 1/3. Please help me I am so confused.
*Monday, September 28, 2015 by rocio*

**Math**

An open box is made by removing squares of length x in each corner of 8 unit by 6 unit rectangular piece ofcardboard. HOw long is × so that the volume of the resulting box is 192unit.
*Monday, September 28, 2015 by Shenley*

**math**

Can someone show me how to answer this question? Please? I would really appreciate any help you can give baseball statistics~~ “According to an Associated Press study, the average MLB salary will break the $4 million mark for the first time in 2015, continuing a trend ...
*Monday, September 28, 2015 by Abby *

**Math**

Abia is one of three servers who work at a restaurant that is open from tuesday to sunday. Every week the servers randomly draw slips of paper from a hat to decide which two days they won't have to work, in addition to monday. What is the conditional probability that Abia ...
*Monday, September 28, 2015 by Polly*

**math**

4(6n+9)-10n
*Monday, September 28, 2015 by skyla*

**math**

John I'd running in a race. The race is 25miles long. After two hours, John has run 7 miles. How many miles, m, does John have left to run?
*Monday, September 28, 2015 by Christopher *

**math**

Jeremy enlarged a picture.The length of the original picture is 8cm and the width is 5cm.The length of the enlarged picture is 10cm and the width is 7cm. A.What percent is the 10cm length of the 8cm length? B.What is the area of each picture?By what percent is the area changed...
*Monday, September 28, 2015 by Dj*

**math**

Shelly and her friend wanted to simplify a question 3/9 and 16/22 they didn't know how, but all they had to do is divide 3/9 and 16/22 with the clocest factor they can. The answer for 3/9 is 1/3 and the answer for 16/22 is 8/11 easy.
*Monday, September 28, 2015 by Joanna*

**Math**

Two teams are playing in a best of seven playoff series. The first team to win four games wins the series. Ties are broken through sudden decision overtime. If the teams are evenly matched: What are the odds in favour of either team sweeping the series, in which one team wins ...
*Monday, September 28, 2015 by Laure*

**math**

Jeremy enlarged a picture.The length of the original picture is 8cm and the width is 5cm.The length of the enlarged picture is 10cm and the width is 7cm. A.What percent is the 10cm length of 8cm length? B.What is the area of each picture?By what percet is the area changed? Pls...
*Monday, September 28, 2015 by Anonymous*

**Math**

In the numbers 465,531, which places contain digits where one digit is ten times as great as the other?
*Monday, September 28, 2015 by Jayden*

**Math**

A neighborhood garden that is 2/3 of an acre is to be divided into 4 equal size sections. Write and solve an equation to find the size of each section. 3/2 x 4/1 = 12/2 =6. But need help in explaning the 6. 6 what?
*Monday, September 28, 2015 by Leeah*

**math**

In the numbers 465,531, which places contain digits where one digit is tend times as great as the other?
*Monday, September 28, 2015 by Jayden*

**math**

What are the two quantities that should be measured to find the rate at which water flows out of a shower head and explain how the rate can be determined.
*Monday, September 28, 2015 by Patty*

**math**

What is the hardest expression in the world?
*Monday, September 28, 2015 by Matthew*

**Math**

A train from York to Dalton left at the same time as a train from Dalton to York. One train traveled 68 kilometers per hour, and the other traveled 62 kilometers per hour. The trains met in 5 hours. How far is it from York to Dalton?
*Monday, September 28, 2015 by Tyler*

**math**

What is 57 divided by 2.95
*Monday, September 28, 2015 by Matthew*

**Math(ANSWERCHECK)!!**

percent error formula= |experimental value -accepted value| / |accepted value| * 100% % error = |0.846 g/mL - 0.78948 g/mL| / |0.78948 g/mL| *100% = 7.31 % Is 7.31% correct or was there a calculation mistake?
*Monday, September 28, 2015 by Jess*

**math**

plzz help I do not understand a certain computer can perform 10^5 calculation per second. how many calculation can it perform in 10 seconds???
*Monday, September 28, 2015 by kayla*

**math**

Can someone show me how to answer this question? Please? I would really appreciate any help you can give baseball statistics~~ “According to an Associated Press study, the average MLB salary will break the $4 million mark for the first time in 2015, continuing a trend ...
*Monday, September 28, 2015 by Abby *

**Math**

Evaluate: 15+z, if z is equal to 7
*Monday, September 28, 2015 by Amy*

**math**

Find y particular of the ODE y"+y'=x+sin(2x)
*Monday, September 28, 2015 by NONEE*

**Business Math**

You are the manager of World Wide Athlete, a chain of six sporting goods shops in your area. The shops sell 12 racing bikes per week at a retail price of $679.99. Recently, you put the bikes on sale at $599.99. At the sale price, 15 bikes were sold during the one-week sale. 1...
*Monday, September 28, 2015 by Vic*

**math **

which is a irationaal? a. 0.117117117......** b.0.8596876205.... c.0.812812812812.... d. 0.605605605..... what is 0.32 written as a fraction in simplest form? a.32/100*** b.8/25 c.100/32 d 16/25 plz help
*Monday, September 28, 2015 by kayla *

**math **

can someone show me how to figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I didn’t know how to ...
*Monday, September 28, 2015 by Abby *

**Math Help**

Which binomial is a factor of f(x) = x^4 – 3x^3 – 28x^2 + 36x + 144? (x – 4) (x + 3) (x – 2) (x – 6) I think its the 4th one
*Monday, September 28, 2015 by Sara*

**math**

A recipe asks for5/9 cup of granola. How much is needed to make 8/7 of a recipe
*Monday, September 28, 2015 by naya*

**Math**

Imagine that you are standing on the ground 15 feet away from a flagpole. If the top of the flag is 25 feet high, which equation represents the angle θ your feet make with the top of the flag?
*Monday, September 28, 2015 by Rochelle*

**Math**

Hi, I need help with a question. Can someone please explain it to me? In a certain county, the number of charter schools is 11 less than twice the number of Alternative schools. There are 35 charter schools in the county. Which of the following equations would you use to find ...
*Monday, September 28, 2015 by PLEASE HELP THIS IS URGENT*

**Math**

f(x) = x^3 + 5x^2 + 7x + 3 = (x + 1)(x + 1)(x + 3) What is the multiplicity of the root –1? 2 1 4 3
*Monday, September 28, 2015 by Sara*

**Math**

If 7 times a certain number is subtracted from 630, the remainder is thrice the number. Find the number.
*Monday, September 28, 2015 by Noor*

**Math**

The sum of three consecutive positive integers is 315. Find the numbers. ( Hint: x, x+1, x + 2 )
*Monday, September 28, 2015 by Noor*

**Math**

Divide 120 into two parts, so that thrice the smaller one is equal to twice the larger one.
*Monday, September 28, 2015 by Noor*

**Math**

If 3 is distributed from a number and the remainder is multiplied by 13, the product becomes 91. Find the number.
*Monday, September 28, 2015 by Noor*

**Math**

Rs 144 is distributed among 2 boys and 3 girls in such a way that each boy gets tree times of what each girl gets. Find how much each boy should get.
*Monday, September 28, 2015 by Noor*

**Math**

Hayden had 2 1/2 gallons of water in his watering can. The seed packet said to use 1/4 of a gallon for peppers and 5/8 of a gallon for tomatoes. Hayden then used some of the water for lettuce. If Hayden had 3/4 gallons of water left over, about how much water did he use for ...
*Monday, September 28, 2015 by iris*

**math**

What are the important variables in the problem below? A test is worth 50 points. Multiple-choice questions are worth 1 point, and short-answer questions are worth 3 points. If the test has 20 questions, how many multiple-choice questions are there?
*Monday, September 28, 2015 by aaron*

**Math**

Divide Rs 300 between Hena and Rina such that Rina gets 100 less than 3 times of what Hena gets.
*Monday, September 28, 2015 by Noor*

**Math**

The difference between three-fourths and three fifths of a number is 9. Determine the number.
*Monday, September 28, 2015 by Noor*

**Math **

-1.4m = 2.1
*Monday, September 28, 2015 by Jason *

**Math, Differential Equation**

3ydx= (3(x^2) -1)(dx-dy). Solve by Linear. Thanks!
*Monday, September 28, 2015 by Jhun*

**Math**

1. Which exponent makes the statement true? 1/5^9 = 5^? a. 9 b. -9 c. 1/9 d. -1/9 2. y^5 x y^14 a. 2y^19 b. y^60 c. y^19 d. 2y^60 3. w^12/w^18 a. w^30 b. w^-30 c. w^6 d. w_6 FYI the "^" is a sign for exponent. I don't understand any of these.
*Monday, September 28, 2015 by Karolina*

**math**

can someone help me figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I didn’t know how to answer ...
*Monday, September 28, 2015 by Abby *

**math**

the area of a rhombus jointly as the length of the two diagonal.transform to the equation of variation?
*Monday, September 28, 2015 by Anonymous*

**math**

the area of a rhombus jointly as the length of the two diagonal.transform to the equation of variation?
*Monday, September 28, 2015 by nairda*

**Math**

A 274cm timber is cut into three pieces in the ratio 3:7:11,find the length of each ratio.
*Monday, September 28, 2015 by Donnish Femi*

**math**

4) The distance needed to bring a truck to a stop varies as the square of its speed. If a truck travels at a speed of 55 mph it needs 79 feet to stop. What is the stopping distance of the truck travelling at 70 mph? 5) A principal of $7000 is invested in an account paying an ...
*Monday, September 28, 2015 by shaneika*

**math**

The sum of two numbers is -62. Twice the first minus the second is 41. Find the numbers.
*Monday, September 28, 2015 by shaneika*

**math**

The length of a rectangle is 9 feet longer than its width. If its perimeter is 82 feet, what is its width?
*Monday, September 28, 2015 by shaneika*

**Math**

True or false 1. (A^3)^2= A^9 2. (4^3 x 5^2)= 20^12 3. (B^9)^2 = (b^2)^9 4. -11^2= -121 5. (C^2)^3= C^8 6. (3^2 x 9)^3 = 3^12 7. (2 + 3)^3= 5^3 8. (4+5)^3= 4^3 + 5^3 Simplify each 1. A^4 x a^7 2. B^3 x b^4 x b^5 3. c^4 x c^4 x c^8 4. (3d^3) (2d^6) (4d^9) 5. (5e^5) (-4e^4) 6. (...
*Monday, September 28, 2015 by needhelp*

**Math**

On a ruler that measures both metric and English units, we see that 1m=39.37 in. This implies that 2m = 78.74 in. Use this information to write an equation to convert x in. to y meters.
*Monday, September 28, 2015 by Brian*

**math**

a ticket for an adult visiting an exhibition cost X. a ticket for a child cost $30 less than an adults ticket. write down, in terms of x, the cost of a child's ticket.
*Monday, September 28, 2015 by rajiv*

**Math **

An auditorium contains 315 occupied seats and was 7/9 filled. How many empty seats were there?
*Monday, September 28, 2015 by Claire*

**math**

the square of the sum of two consecutive positive even integer is greater than the sum of their square by 48. Find two integers.
*Monday, September 28, 2015 by Anonymous*

**Math**

Survey the population or use a sample,you want to know the type of computer, if any, that each student in your class has at home?
*Monday, September 28, 2015 by Michelle*

**Math**

In a bag of red and black jellybeans 136 are red jb and the remaining r black jb if 15% of the jellybeans in the bag are black whatis the total number of jelly beans in bag A) 151 B 175 C) 175 D 200 E 906
*Sunday, September 27, 2015 by Mohammed *

**Math**

PLEASE HELP ASAP!!! 1 rectangular prism has a base area of 120 square feet, a height of 12 feet per second and has dimensions of 84 inches, 6 feet, and 16 feet. Is the volume of the second more than or less than half that of the first? now explain
*Sunday, September 27, 2015 by Kim*

**Math**

How many 300mg clindamycin capsules are required to compound a prescription as follows "clindamycin 3%, propylene glycol 5%, isopropyl alcohol qs ad 360mL"? (again just need help to set this problem up)
*Sunday, September 27, 2015 by Rayne*

**Math**

The circumference of a rear wheel of a carriage is 50 inches more than a front wheel. If the rear wheel makes as many revolutions in going 200 feet as the front wheel in going 120 feet, find the length of the circumference of each wheel.
*Sunday, September 27, 2015 by Sean*

**math**

can you please check my work. sorry to repost but I was skipped over earlier and just want to know if I did this correctly? A scientist uses a submarine to study ocean life. She begins at sea level, which is at an elevation of 0 ft. she travels straight down at a speed of 3....
*Sunday, September 27, 2015 by sara7*

**Math**

A stero was discounted by 20 % and sold at the discount price of $256 which of the following equals the price of the stereo before the discount
*Sunday, September 27, 2015 by Mohammed *

**math**

a contractor's crew can frame 3 houses in a week. how long will it take them to frame 54 houses if they frame the same number each week?
*Sunday, September 27, 2015 by henry*

**math**

Max Wholesaler borrowed $2,000 on a 10%, 120-day note. After 45 days, Max paid $700 on the note. Thirty days later, Max paid an additional $630. Use ordinary interest
*Sunday, September 27, 2015 by bosco*

**Math**

Confused on this 8log8(19)=
*Sunday, September 27, 2015 by Adam*

**Quick math help**

a set of data points has a correlation r= -0.86 your friend claims that because the correlation is close to -1 it is reasonable to use the line of best fit to make predictions is your friend correct explain your reasoning. I say she isn't correct because she needs x and y ...
*Sunday, September 27, 2015 by Hanna*

**Math**

Pharmacy has 325mL of a 40% solution. 120mL of sterile water is added to this solution to decrease the concentration. How many grams of active ingredient would be in the diluted solution?(just need to know how to set this up please)
*Sunday, September 27, 2015 by Rayne*

**Physics, math**

What is the answer to this? I don't understand how to solve it. 1.2 = 4.6 tan 50 - 4.9 (4.6^2)/(x^2 cos^2 50)
*Sunday, September 27, 2015 by Taylor*

**math**

Dan is cutting 4.75 foot legths of twine from a 240 foot spool of twine. He needs to cut 42 lengths, and says that 40.5 feet of twine will remain. Show that this is reasonable. THANK YOU!
*Sunday, September 27, 2015 by kimie*

**math**

A shopper uses a department store gift card to pay for 3 sweaters priced at $27 each. What integer can be used to show the amount of change?
*Sunday, September 27, 2015 by Melanie*

**psychology**

Gavin, a seventh grader, has more trouble in school than many of his peers, particularly with word problems in math and other areas that aren't concrete and tangible. In spite of high motivation, he still struggles, and new situations and problems “throw him” ...
*Sunday, September 27, 2015 by Anonymous*

**math**

How many milligrams of a drug are in 500 g of a 25% Ointment?
*Sunday, September 27, 2015 by Eleanor*

**Math**

when linda and martin work together painting one room, they can complete the work in 5 hours. when linda works alone it takes her 7 hours to paint the same room. how long would it take marvin to paint the room alone?
*Sunday, September 27, 2015 by Cesar*

**math please help **

Marissa is designing a rectangular poster whose width is 2/3 of its height. Its perimeter will be 100 inches. what are the dimensions of the poster?
*Sunday, September 27, 2015 by quel*

**fundamentals math**

A standard math test was given to 6000 students. The scores were normally distributed with a mean of 420 and a standard deviation of 40. If george scored 340, how many students scored more than George? This is hrd because I tried using calculator but thats not the help i need...
*Sunday, September 27, 2015 by Jacqueline *

**Math **

Write the quadratic equation in general form. (x − 5)2 = 5
*Sunday, September 27, 2015 by Kathy *

**Math **

A salesperson's weekly paycheck is 25% less than a second salesperson's paycheck. The two paychecks total $1425. Find the amount of each paycheck. first salesperson's paycheck ? second salesperson's paycheck?
*Sunday, September 27, 2015 by Kathy *

**math**

A internet movie rental company has two different options for renting movies. Option A: pay a one-time $40 membership fee and then pay $1 for each movie rental. Option B: Do not become a member and pay $6 for each movie rental. 1. Write an expression to represent the Total ...
*Sunday, September 27, 2015 by Brandon*

**Math **

One eight-ounce glass of apple juice and one eight-ounce glass of orange juice contain a total of 180 milligrams of vitamin C. Four eight-ounce glasses of apple juice and three eight-ounce glasses of orange juice contain a total of 637.4 milligrams of vitamin C. How much ...
*Sunday, September 27, 2015 by Kathy *

**Math**

Every 12th customer at a Chicago deli gets a free soda. Every 15th customer gets a free bagel. Which is the first customer to get a free bagel and free soda? Please help!!!
*Sunday, September 27, 2015 by Keesha*

**Math- Please help**

I'm in desperate need of help on how to do these 4 problems. Write the function g(x) with the indicated transformations. 1. f(x)=x; translated right 3 units 2. f(x)=x^2; vertical stretch by 5, translated down 3 units and reflected across the x-axis 3 f(x)=|x|; vertical ...
*Sunday, September 27, 2015 by Hannah*

**Math**

Distribution of exam 2 scores is unimodal and symmetric with a mean of 78 and a standard deviation of 4.6 points. What exam score corresponds to z- score of -2.46
*Sunday, September 27, 2015 by Julie*

**Math**

Jay loaned Ray 18220 at interest rate of 5.2% for 175 days. How much will Ray pay Jay at the end of the 175 days?
*Sunday, September 27, 2015 by Eve*

**Math**

4y + 8 = 6y + 3 True false or open My choice: False the expressions are never the same
*Sunday, September 27, 2015 by Appreciated Help*

**math**

A company makes two products , namely X and Y. Each product must be processed in 3 stages; welding , assembly and painting. Each unit X takes 2 hours in welding, assembling 3 hours and 1 hour in painting. Each unit Y takes 3 hours in welding, 2 hours assembling and 1 hours in ...
*Sunday, September 27, 2015 by Iman*

**Math**

You bought a total of four cans of chicken soup at the grocery store. You paid a total of $3.16 for all four cans. How much did each can cost?
*Sunday, September 27, 2015 by Zoe*

**math**

there are 3 times as many boys as girls. if there are 24 more boys than girls.how many are there altogether
*Sunday, September 27, 2015 by kian*

**math**

can you please check my work. A scientist uses a submarine to study ocean life. She begins at sea level, which is at an elevation of 0 ft. she travels straight down at a speed of 3.5ft per second. she then travels directly up 30seconds at a speed of 2.2ft per second. 1) after ...
*Sunday, September 27, 2015 by sara7*

**Math**

-0.52(z)=-0.13 What does z =?
*Sunday, September 27, 2015 by Zoe*

**MATH **

how do you factor: a^3-b^6 ??? please help!
*Sunday, September 27, 2015 by Diana*

**Math**

Gisela has 135 cds 11 are pop music she has 3 times as many rocks cds as she had classical how many rocks cds does she have?
*Sunday, September 27, 2015 by Anna*

**math**

I need help with this problem: 33 1/3 of what number is 4 5/6
*Sunday, September 27, 2015 by billy*

**Math**

5+5-5(5)/5
*Sunday, September 27, 2015 by Farxaan*

**Math**

x/(x+1) - 2/(x-1)= 1 I have been trying to solve it but I do not know the steps to solve it.
*Sunday, September 27, 2015 by Jose*

**Math**

Bob was riding his dune buggy. Part of the time he was riding at 10 mph and the remainder of the time at 14 mph. The total distance traveled was 68 miles and it took him 5 hours. How much time was spent traveling at 10 mph?
*Sunday, September 27, 2015 by Christina*

**Math**

The price of a television set on sale is $360. This is two third of the regular price. Find the regular price?
*Sunday, September 27, 2015 by Sunny*