Tuesday

October 13, 2015
**math **

The sum of the first 12terms of an arithmetic progression is 135 while the sum of the next 8 terms is 210. Find the common difference
*Tuesday, August 25, 2015 by Jay *

**Math**

simplify the expression (the 7th root of 11x/y^6)(the 7th root of y^6/11x^8) the root is over the whole fraction in both cases. I've already done the problem once and got x(the 7th root of 1/x). which apparently this is wrong.
*Tuesday, August 25, 2015 by Lisa*

**Math**

Write the expression as a single fraction and simplify. 3/a + 3/b Is this when you cross multiply and get 3a + 3b? Except the answer has to be a fraction so I am not sure.
*Tuesday, August 25, 2015 by Selena*

**math**

If x + y + z = 26, find the value of (y-2) + (z+3) + (x-3). I was so confused on this question and didn't even know where to start. Please help me!
*Tuesday, August 25, 2015 by Lily*

**Math **

what is a good website to practice limits?
*Tuesday, August 25, 2015 by Jordan*

**math please help 9th grade**

Which sum will be irrational? (1 point) 3 + 2 start root 19 end root plus start fraction 7 over 2 end fraction Start Fraction 18 over 3 End Fraction plus Start Fraction 11 over ten thousand End Fraction. –6 + (–3.251) Which product will be rational? (1 point) 17 ...
*Tuesday, August 25, 2015 by XenaGonzalez*

**math**

if the sum of two numbers are 35 and the product of that two numbers are 200,then find those two numbers
*Tuesday, August 25, 2015 by kranti*

**Math**

I am converting 0.57 to a fraction. My answer is 57/99. Am I correct.
*Tuesday, August 25, 2015 by Tamara*

**Math**

I am converting 0.12 to a fraction. My answer is 3/25 am I correct. Thanks
*Tuesday, August 25, 2015 by Tamara*

**math**

-12 ÷ 3 x ( -8 + (-4)^2 - 6 ) + 2 how do you simplfy this expression?
*Tuesday, August 25, 2015 by Anonymous*

**math**

Sandra wants to buy some chocolates as a gift to her friend . Each bar of chocolate is worth Php. 75.00 Question : a.Write the equation . b.What is the constant of variation ? c.How much did she pay if she buy 7 bar of chocolates ?
*Tuesday, August 25, 2015 by kevin*

**math**

an airplane leaves an airport and travels 100 miles in a direction of 300 degrees. How far North of the airport is the plane then?
*Tuesday, August 25, 2015 by queenie*

**Math**

What would be the easiest way to convert a fraction to a decimal
*Tuesday, August 25, 2015 by Tamara*

**math**

Two dice are rolled. Find the probability that the score on the dice is 5.
*Tuesday, August 25, 2015 by jacqueline*

**Math**

The sum of the length, width, and height of a box is 80 cm. The length is 10 cm less than twice the sum of the width and the height, and twice the width exceeds the height by 6 cm. Find the height of the box.
*Tuesday, August 25, 2015 by Anonymous*

**MATH**

HENRY, ANDY AND JOE SHARED SOME SWEETS IN THE RATIO 15:12:9 RESPECTIVELY. HENRY HAD 6 MORE SWEETS THAN ANDY. IF ANDY GAVE 9 SWEETS TO JOE, HOW MANY SWEETS WOULD JOE HAVE?
*Tuesday, August 25, 2015 by FLOR*

**BHEKISISA**

ENGLISH.ISIZULU.LIFE SCIENCE. LIFE ORIENTATION.MATH LITERACY.HISTORY ND GEOGRAPHY. am doing grade 11 so has am doing this subject iwant to know which career i must task when i pass my matric plz help me
*Monday, August 24, 2015 by NOBUHLE PORTIA MSANI*

**math**

34-5^2 / 5 * 2^2
*Monday, August 24, 2015 by rachel*

**Math**

Latishastarted her history class with two scores on tests, 72% and 89% confirmed that the mean of these two scores is 80.5% show your work
*Monday, August 24, 2015 by Feliks*

**Math**

The length of a rectangle is twice its width. The perimeter of the rectangle is 126 feet. (Write the equation) i've already tried to divide 126 by two which gave me 63 but i didnt know what to do with the 63.
*Monday, August 24, 2015 by Gabriela*

**math**

A dozen of daisies cost $1.96. How much does a half dozen cost?
*Monday, August 24, 2015 by iyanna*

**Math**

explain how you know that in ? x 6.273 = 6.273. THe ? will be 1.
*Monday, August 24, 2015 by Anonymous*

**math analysis**

((x+3)/(x-5))+(5/(x-3)) Simplify I've done this twice and got it wrong both times I have two more problems similar to this and don't want to continue until I understand how to do it.
*Monday, August 24, 2015 by Hunter*

**Math**

Nancy collects plastic banks. He has three different banks a pig a cow and a horse. How many ways can Yancey arrange his banks on a shelf?
*Monday, August 24, 2015 by Anonymous*

**Math**

Fred got a score of 84 on the test. Write a division sentence using negative number where the quotient represents the number of questions Fred answered incorrectly.
*Monday, August 24, 2015 by Siri*

**math**

6,300 and 530 The value of 3 in is times The value of 3 in
*Monday, August 24, 2015 by vinny*

**math**

A bag of candy contains 24 oz. If you want to give 18 people equal servings how many ounces should you give each person? 18/24 =3/4
*Monday, August 24, 2015 by karen*

**Math**

Eight students. 3/4 of a cake. How much cake will each student get if cake is split evenly?
*Monday, August 24, 2015 by Chelly*

**Math**

John invested his savings in two investment funds. The amount he invested in Fund A was $8000 less than the amount he invested in Fund B. Fund A returned a 4% profit and Fund B returned a 8% profit. How much did he invest in Fund B, if the total profit from the two funds ...
*Monday, August 24, 2015 by Mariah*

**math**

Ben, Ray, and Lee ran laps around the school track. Ben ran 2 times as many laps as Ray. Lee ran 3 laps, which is one-half of the number of laps that Ray ran. How many laps did Ben run?
*Monday, August 24, 2015 by johnathan duro*

**Math accelerated **

A decorative floor pattern has 1red square tile surrounded by 12 blue tiles.write and evaluate an expression to show how many total red and blue tiles are needed if there are 15 red tiles. Then make a table showing the total number of tiles if there are 15,20,25, or 30 red tiles
*Monday, August 24, 2015 by Jeontae *

**math**

i am a number less than 40.one of my factors is 3 the sum of my digits is 12 what number am i
*Monday, August 24, 2015 by abigail*

**Math**

Kendall knows that a 45 ounce pitcher can hold enough lemonade for 6 people at this rate how many ounces of lemonade will Kendall need to serve 26 people.
*Monday, August 24, 2015 by Sam*

**math **

a sum of money invested at a simple interest rate R increases to 5/3 times the original sum after 5 years. The value for R is?
*Monday, August 24, 2015 by Jay *

**math**

What is the solution to 40 +-11? I think it is 51
*Monday, August 24, 2015 by Lost*

**math**

-2 + y = 11 solve for y would y be 13?
*Monday, August 24, 2015 by brooke*

**Math**

the sum of 6 and 4 times a number (n) equals 90
*Monday, August 24, 2015 by Lily*

**Math**

in a game of simplified football a touchdown results in 7 points and a field goal results in 3 point. what is the largest score for a team not possible?
*Monday, August 24, 2015 by Keerra *

**Math**

The sum of two integers is -129. If one of them is 150,find the other
*Monday, August 24, 2015 by Noor*

**Math**

What is the value of -27-8? I think it is -19
*Monday, August 24, 2015 by Lost*

**Math**

If sinA=0.5 , what is the value of cos2A and sin2A?
*Monday, August 24, 2015 by Partha banerjee*

**Math**

Your associate's degree requires 63 credits. You have already completed four 3-credit courses and three 4-credit courses. (a) What fraction of the required credits have you completed? (b) What fraction of required credits remain before you can graduate? Can someone please ...
*Monday, August 24, 2015 by Kati*

**Math **

F(x) = x^2 +1 , x cannot equal 2 F(x)= 3 , x=2 What is the limit of f(x) as it approaches 2?
*Sunday, August 23, 2015 by Anonymous*

**Math/Logic Puzzle**

Can someone please help me? Charlotte and Amy are picking strawberries. If Charlotte picks 6 dozen dozen strawberries, and Amy picks a half-dozen dozen strawberries, which hedgehog will pick the larger crop of strawberries? How many did they pick? Thank you.
*Sunday, August 23, 2015 by Rachel*

**Math**

I need help for the rule for input 1/output 3, input 3/output 17, input 10/output 66, and input 6/output 38
*Sunday, August 23, 2015 by Amy*

**Math**

what is the probability of winning assuming that the order is unimportant when I must choose 4 numbers from the numbers 1 through 17
*Sunday, August 23, 2015 by bonnie*

**math analysis**

(1/a)+(2/a^2)=0 Solved for zero I'm unsure about the process to solve this, when I do it like my teacher says, it doesn't work. This is for an online advanced math class in which you get three tries to solve the problem. I have already used two. Any help would be ...
*Sunday, August 23, 2015 by Hunter*

**math**

Please, help me to solve this problems by Cramer's rule Question number : 1. 5/x + 3/y = 19 2/x + 1/y = 7 Question number : 2. log x + 2 log y = 4 2 log x - 3 log y = 1 The Answer for number 1 : D = -1 Dx = -2 Dy = -3 The answer for number 2 : D = -5 Dx = -14 Dy = -3 ...
*Sunday, August 23, 2015 by Iman*

**Math **

If a population grows at 8% per year, how long will it take the population to double?
*Sunday, August 23, 2015 by Anonymous*

**Math **

If the current population is 7,361,920,000 and grows at approximately 1.14% per year, what will the human population be this time next year?
*Sunday, August 23, 2015 by Anonymous*

**Math **

If the current population is 7,361,920,000 and grows at approximately 1.14% per year, what will the human population be this time next year?
*Sunday, August 23, 2015 by Anonymous*

**math**

Mr. Steve, thank you very much to answer my question on Sunday, 23 August at 1:44 pm. But please, show me how to get : Number 1 : 1. D = -1 Dx = -2 Dy = -3 Number 2 : 2. D = -5 Dx = -14 Dy = -3 Because the steps to know that is important for me. Please...
*Sunday, August 23, 2015 by Iman*

**math**

how do you turn a $13.75 into an improper fraction
*Sunday, August 23, 2015 by sarah*

**Math **

If a city of 10,000 experiences 60 births, 35 deaths, 40 immigrants and 25 emigrants in a single year, what is the city's population growth rate?
*Sunday, August 23, 2015 by Anonymous*

**Math**

123 of the 300 students earned an A, what percent did not earn an A?
*Sunday, August 23, 2015 by Ish*

**math**

a mother wants to invest 5000 for her sons future education. She invests a portion of the money in a bank certificate of deposit which earns 4% and the remainder in a savings bond that earns 7%. If the total interest earned after one year is $300.00,how much money was invested...
*Sunday, August 23, 2015 by naomi*

**math**

Please, help me to solve this problems by Cramer rule Question number : 1. 5/x + 3/y = 19 2/x + 1/y = 7 Question number : 2. log x + 2 log y = 4 2 log x - 3 log y = 1 so confuse..
*Sunday, August 23, 2015 by Iman*

**math**

can you show me a tessellation of circles and triangles
*Sunday, August 23, 2015 by tape*

**Math**

Decompose 28*6 to make it easier below. Paula had a block of cream cheese that was 2 inches wide, 5 1/2 long and 1 1/2 inches tall. Paula used 1/2 of the cream cheese in her recipe. How many cubic inches of cream cheese did she use?
*Sunday, August 23, 2015 by LIZ*

**math 540**

12) Betty Malloy, owner of the Eagle Tavern in Pittsburgh, is preparing for Super Bowl Sunday, and she must determine how much beer to stock. Betty stocks three brands of beer—Yodel, Shotz, and Rainwater. The cost per gallon (to the tavern owner) of each brand is as ...
*Sunday, August 23, 2015 by arla*

**MATH**

What are the odds in favor of randomly drawing the letter C from the letters in the word CANADIAN?The odds are from ____ to _____
*Sunday, August 23, 2015 by Bella*

**Math**

A box contains 8 white balls, 7 black and 4 red. How many red balls must be added to the box so that the probability is 3/4? How many black balls need to be added so that it is 1/4? Thanks I have a mental block with this.
*Sunday, August 23, 2015 by Bella*

**nyonithwele**

math: 38 learners at a high school,24play hockey,30play netball and 4play neither hockey nor netball.use venn diagram
*Sunday, August 23, 2015 by brian*

**Math**

Write an equation for the hyperbola. Vertices at ( -5,2) and (-1,2), passing through the point (-6,4) Could you be so nice and help me please:) I have still wrong answer and I have no idea where I'm doing mistake. My work: Horizontal transverse )( Center (-3,2) a= 2 (-6)^2...
*Sunday, August 23, 2015 by Lucas*

**Math**

A Picture is surrounded by a frame 10 5/8 inches and 6 1/2 inches. what is the area of the entire picture including the frame
*Saturday, August 22, 2015 by Nancy*

**Math**

Find x √2x/9.81= √(300+h)^2+60^2/150 Thankyou!
*Saturday, August 22, 2015 by Anonymous*

**Math**

Yvonne had 25 stamps. She used 20 of them. Which represents the portion of the stamps she used. 0.4. 4/5 60% or 15/20
*Saturday, August 22, 2015 by Ledian Gonzalez *

**Math**

A picture frame has a height of 10cm and width 8 cm. If you take 2 1/2 from the height from both sides and 2 cm from one side, what is the area? 24 cm sqrt
*Saturday, August 22, 2015 by kareen*

**Math**

A treasure box contained 3 bags of mint and 4 bags of chocolate. What is the probability of a student grabbing a bag of mint without looking? 3/7
*Saturday, August 22, 2015 by kareen*

**Math**

Six people used a spa for 20-40 min. for an average of 48 minutes.How many would be able to use it for 50 minutes if one person used it for 50 min is the answer 8
*Saturday, August 22, 2015 by kareen*

**Math I am lost!**

Tom travelled to the train station at 60 mph and arrived 1 minute earlier. He then travelled back home at 30 mph and arrived 1 minute late. How long was the trip. D= 60 * T - 1 + 30*T+1 60T+30T -1+1 90 t
*Saturday, August 22, 2015 by kareen*

**Math**

The weight of box A is 4/5 of box B. If box B is placed on one side of a balance scale, it is balanced by box A and a 4/5 pound weight. How much does box B weigh?
*Saturday, August 22, 2015 by Constella*

**math**

156.1 is 70% of what number?
*Saturday, August 22, 2015 by Anonymous*

**Math**

AB= , BC=19, AC=37
*Saturday, August 22, 2015 by Jessica Fleming *

**Math**

When Bruce started bowling, he won 1/4 of the games he played. Within six months, he was winning 7/16 of his games. If he improves at the same rate, what fraction of his games should he expect to win after another six months? I subtracted the 1/4 from 7/16 and came up with 3/...
*Saturday, August 22, 2015 by Sarah*

**math**

If the ratio of the rise to run on the pitch of a roof is 7/10 and the run is 30 feet, what is the rise?
*Saturday, August 22, 2015 by Cortney*

**Math**

In the number 436,621 which places contain digits where one digit is ten times as great as the other? I picked the 2 6's.
*Friday, August 21, 2015 by Gwen*

**math**

Which symbol is used to make -6? |-8| a true statement? A. > B. < C. = Is the answer B? Thank you
*Friday, August 21, 2015 by Liz*

**Math**

Which set of integers are in the right order from least to greatest? A. -8,8,6,|-7|,5 B. |-7|,-8,8,6,5 C. -8,5,6,|-7|,8 D. 5,6,8,-8,|-7| Is the answer b? Thank you
*Friday, August 21, 2015 by Liz*

**math**

whats 3-7+(8+9)=
*Friday, August 21, 2015 by kimberly*

**Math: Mean, Median, Mode, Range & Finding the devi**

What is deviation? And what is the definition of frequency distribution & how would I solve a problem in 8th grade math with this problem...My child is asking about this problem she has in an 8th grade book. Given the following numbers 2,2,3,6,1,9,4,2,5,7,6,8,6, What is the ...
*Friday, August 21, 2015 by Aayla*

**Math**

50% Rule: The repackaged vial or unit dose must have an expiration date placed on it; but it is not the same expiration date as what is on the stock bottle. You must take the date on the stock bottle and write the half way date between today’s date and the expiration date...
*Friday, August 21, 2015 by Anonymous*

**Math**

Sammy has fifty coins in his pocket that add up to one dollar. how many coins of each denomination are in sammy's pocket?
*Friday, August 21, 2015 by Anonymous*

**Math**

The opposite of -4 is? I believe it is 4.
*Friday, August 21, 2015 by Lost*

**math**

A rectangle is 12 cm longer than it is wide. a wooden walk 2 ft wide is placed around the pond. the area covered by the pond and walk is 160 ft^2 greater than the area covered by the pond alone. What are the dimensions of the pond
*Friday, August 21, 2015 by twnkal eshaal*

**math**

which of the following are reasonable answer for the product of two negatives and a positive a. 20** b. 10 c. -20 d. -10 Which statement about the product is true 5.5⋅√5 a. The product is rational b. The product is irrational**** c. The product is neither rational ...
*Friday, August 21, 2015 by TeaCup*

**math**

On the first day in each month, Enid deposited $4 into her bank account and Jim deposited $3 into his. They opened these accounts on May 15, 1990. On December 31, 1990, they each had $72 dollars in their account. How much did each person deposit on May 15? (Note: Neither ...
*Friday, August 21, 2015 by Tricia*

**Math- Need Help**

If 5x +4y and 4x +3y =5 15x +12y =18 16x +12y = 20 31x/31= 38/31 x= 1 7/31 20x +16y =24 20x +15y = 5 31/y/31 = 29/31 y=29/31 x +y = 1 7/31 + 29/31 2 5/31
*Friday, August 21, 2015 by kareen*

**math.fraction**

There are 12 marbles in the container.. then colored half of the marbles red.in the quarter of the marble is blue.in the rest of marble us green.. what us the fraction of green
*Friday, August 21, 2015 by gemmalyn bautista*

**Math**

A 40lb child sits at one end of a teeter-totter-totter which is 12 feet long and has the fulcrum in the center. How many feet from the fulcrum should a 60 lb child sit so the teeter-totter will balance?
*Thursday, August 20, 2015 by Maya*

**math**

is the number 1 a prime or composite number?
*Thursday, August 20, 2015 by martha*

**Math**

7 digit number no repetition of numbers digit 5 in thousands place, greatest digit in the millions place, digit in the hundred thousands place is twice the digit in the hundreds place, digit in the hundreds place is twice the digit in the ones place, digit in the tens place is...
*Thursday, August 20, 2015 by Julia*

**Math**

If 5x +4y and 4x +3y =5 15x +12y =18 16x +12y = 20 31x/31= 38/31 x= 1 7/31 20x +16y =24 20x +15y = 5 31/y/31 = 29/31 y=29/31 x +y = 1 7/31 + 29/31 2 5/31
*Thursday, August 20, 2015 by kareen*

**Math**

3x - 2= 8 3x-2+2 = 8+2 3x= 10 3x/3 = 10/3 x= 3 1/3
*Thursday, August 20, 2015 by kareen*

**Math**

What percentage is $6 of $20? 6/20 *100 = 30%
*Thursday, August 20, 2015 by kareen*

**Math**

what is 30% of $325? 30/100 *325= $97.50
*Thursday, August 20, 2015 by kareen*

**Math **

The length of a rectangular field is seven meters less than four times the width. The perimeter is 108 meter. Find the width and length of the field. How do I do this?
*Thursday, August 20, 2015 by Victoria *

**Math**

(x+3) (x+9) x sqrt +27
*Thursday, August 20, 2015 by kareen*

**Math**

(x-1) (x-8) x sqrt +8
*Thursday, August 20, 2015 by kareen*

**Math**

Can you show me how to do the following: How many even integers are between - 4 and 4? Not sure how to even do this problem
*Thursday, August 20, 2015 by Mom50*