Sunday

October 4, 2015
**math**

solve each linear equation.. y=x+4 y=-2x+1 I just need help on one of them.
*Thursday, September 17, 2015 by tina *

**Math**

A spherical vessel used for deep-sea exploration has a radius of 1.50 m and a mass of 1.20 × 104 kg. To dive, the vessel takes on mass in the form of seawater. Determine the mass the vessel must take on if it is to descend at a constant speed of 1.20 m/s, when the ...
*Thursday, September 17, 2015 by Diaco*

**Math**

An artist is using tiles and boards for a project. A tile has a length of 2/3 ft and width 2/3 ft. A board has a length of 1/2 yd and a width of 1/2 yd. What is the ratio of the length of the tile is the length of the board? What is the ratio of the area of the tile to the ...
*Thursday, September 17, 2015 by Sad ...*

**Math**

How is the area of a square related to its side length?
*Thursday, September 17, 2015 by Student*

**Math**

. Lopez has $9118 in her bank account on March 1st. She saves $609 in March. Then she must pay $1011 in taxes in April. Mrs. Lopez is able to save $705 in May. At the end of May, approximately how much greater or less is her account balance than it was on March 1st?
*Thursday, September 17, 2015 by Juan*

**Math**

Roy had $39.he spent $14 dollars for a bicycle helmet and then he earned $27 for mowing a yard.use the open number line to show how much money Roy has now.
*Thursday, September 17, 2015 by Florina*

**Math**

A car travels 480 miles on 15 gallons of gasoline. How many miles does the car travel per gallon? My work Myself shows the answer is 32 mi/gal
*Thursday, September 17, 2015 by Taylor*

**Math**

how to answer these types of questions 4x²-4x-1 can you demonstrate using an example please
*Thursday, September 17, 2015 by Nicholai*

**8th grade math**

I need help solving this problem. y=14-1/32x. Y is the number of gallons fuel in tank, x is the number of miles driven. tank contains 8.5 gallons of fuel. y=8.5 8.5=14-1/32x
*Thursday, September 17, 2015 by Jane*

**math**

Which expression represents the largest number? A. 40.1 3 1026 B. 4.1 3 1027 C. 0.411 3 1026 D. 0.04001 3 1025
*Thursday, September 17, 2015 by maria*

**Math**

Estimate. Then Find the sum. 740,758 -263,043 ----------
*Thursday, September 17, 2015 by Linda*

**math**

how do you put these decimals and fractions from least to greatest. 2,23.6,-45.2,50,-0.5,0.3,3/5
*Thursday, September 17, 2015 by Anonymous*

**MATH PROBABILITY**

The probability of a machine producing a defective product is .08. Find the probability that, in a run of 200 products, there are exactly 12 defective products
*Thursday, September 17, 2015 by Emma*

**math**

Could someone help me solves these questions? And can you show me how you did it? I can't figure out how to do these ones... I would really appreciate any help. Questions~~ ~ 3x – 19 = -2 ~ 4x - 12x = 62 + 4(11) ~ x/8 + 7 = - 10 ~ 4(5x – 9) = -2(3x + 7) ~ ½...
*Thursday, September 17, 2015 by Abby *

**Math**

if I have 100 000 each day how many days will it take to get 1 000 000 tysm for helping :D I already did 1 000 50 000 10 000 500 and 100 :)
*Thursday, September 17, 2015 by HelpMeWithMath*

**Math**

The results of a car race are shown. Determine who drove the fastest. Explain. Driver Laps Time (min) Cutwrite 35 84 Evans 42 96.6 Loza 38 102.6
*Thursday, September 17, 2015 by Anonymous*

**Math**

Factorize: a^2 -1 + 2b - b^2
*Thursday, September 17, 2015 by Noor*

**Math**

Tim has a rose garden that is three times as long as it's wide. the total length around the garden is 80 feet. tim wants to line the exterior of the garden with paver stones. each paver stone is 2 feet by 2 feet in area. 1) area of the rose garden 2) number of paver stones...
*Thursday, September 17, 2015 by Joanne*

**math**

Train #1 leaves san diego at 4pm. train #2 leaves san diego at 6pm.train #2 travels 42 mph faster than train #1. if train # 2 overtakes train #1 at 8pm, what is the speed of each train?
*Thursday, September 17, 2015 by william*

**Intermediate Algebra (math)**

(8x^2y^2+4xy^2-12y^2) ÷ 4xy^2 I received this problem. I was told to divide the rational expression. The problem I am having is I feel like something is missing. I only understand to divide rational expressions we take the first rational expression and multiply it by ...
*Thursday, September 17, 2015 by Steph*

**Math**

Factorize: 3a(3a-2b)+b^2-c^2
*Thursday, September 17, 2015 by Noor*

**Math**

PLEASE HELP: A bathtub has a capacity of 42 gallons and is completely full of water. Ten gallons of water are drained out. Enter the percentage of gallons of water left in the bathtub. Round your answer to the nearest hundredth.
*Thursday, September 17, 2015 by jwalkerjess*

**Intermediate Algebra (math)**

(8x^2y^2+4xy^2-12y^2) ÷ 4xy^2 I received this problem. I was told to divide the rational expression. The problem I am having is I feel like something is missing. I only understand to divide rational expressions we take the first rational expression and multiply it by ...
*Thursday, September 17, 2015 by Steph*

**Math**

3a(3a - 2b) + b^2 + c^2
*Thursday, September 17, 2015 by Noor*

**Math**

The ratio of milk to water in a container is 5:1 by volume. If the total volume of the mixture is 9 liters, find the volume of water in it.
*Thursday, September 17, 2015 by Noor*

**Math**

Find the base if parallelogram, given its area and altitude A= 96cm²; a= 8cm
*Thursday, September 17, 2015 by Vanessa*

**math**

anna is 1/6 his uncles age,12 years to come annas age will be 1/3 his unclrs age.what is the age of the uncle 12 years to come?
*Thursday, September 17, 2015 by asnath*

**math**

the sum of son and fathers age is 74 years.the ratio of their age was 7:2 since 10 years ago.what is the ratio of their age will stand after 10 year
*Thursday, September 17, 2015 by age ratio*

**Math **

Race car C travels around a racetrack at a rate of 5 miles per minute. 1. How far will the car have traveled in 20 minutes?
*Thursday, September 17, 2015 by Hija*

**math help needed!**

Estimate the instantaneous rate of change of the function f(x) = x ln x at x = 1 and at x = 3. (Use h = 0.1, 0.01, 0.001, 0.0001, and so on. Round your answers to four decimal places.)
*Thursday, September 17, 2015 by Natalie*

**Math **

Luis has$ 10.25 in change in his piggy bank.the number of nickles is three times the number of dimes the number of quaters is one how many coins does he have.
*Wednesday, September 16, 2015 by Anonymous*

**Math**

Reasoning given that 9,554/562=17, how can you find the quotient 95,540/562? Not sure how to word this explanation. 95540/562=170. Adding a zero to the 17
*Wednesday, September 16, 2015 by Mallory*

**Math**

From an urn containing 7 white and 3 green balls, 3 balls are drawn in succession, without replacing them. Construct the probability distribution of W, the number of white balls in the sample, then compute the mean and standard deviation of W. I've created a tree diagram ...
*Wednesday, September 16, 2015 by Andrew Burns*

**Math**

Luis has $10.25 in change in his piggy bank. The number of nickles is three times the number of dimes. The number of quaters is 1 more than four times the number of dimes. How many of each kind of coin does he have.
*Wednesday, September 16, 2015 by Brady*

**algebra**

luncheon special at little jimmy's cost $4.89. the math club has $23.50 in the account. what is the greatest number of luncheon specials they can buy wit the money in their luncheon account? $23.50/$4.89 = 4
*Wednesday, September 16, 2015 by chiquita*

**Math**

The ratio of milk to water in a container is 5:1 by volume. If the total volume of the mixture is 9 liters, find the volume of water in it.
*Wednesday, September 16, 2015 by Noor*

**math **

Explain and help solve f equals 1/2(r+6.5)
*Wednesday, September 16, 2015 by tomeisha*

**math**

Translate the following into an algebraic espression and set up the related equation. Let y be the unknown number. Some number minus 6 is equal to the number times 17 Translate "the number times 17"
*Wednesday, September 16, 2015 by Anonymous*

**math**

Four students spent 12$on school lunch at thus rate what is the amount 10,students would spent on the same school lunch
*Wednesday, September 16, 2015 by lesly*

**math,**

A jeweler is heating a gold bar. It takes 7 joules of heat to raise the temperature of the bar 1°C. The initial temperature of the bar is 25°C. Use this information for Items 4–11. 4. Make a table that shows how many joules of heat would be required to raise the ...
*Wednesday, September 16, 2015 by sarah*

**math**

Find the derivative algebraically. g(t) = t^2 + t at t = −1 I can't seem to start this problem correctly. What is the process required for this question?
*Wednesday, September 16, 2015 by Natalie*

**math please help me!**

Estimate the instantaneous rate of change of the function f(x) = x ln x at x = 1 and at x = 3. (Use h = 0.1, 0.01, 0.001, 0.0001, and so on. Round your answers to four decimal places.) f '(1) = f '(3) = What do these values suggest about the concavity of ...
*Wednesday, September 16, 2015 by Natalie*

**math **

Please I need help with this problem. it took us 3 hour to drive to a concert.on his way home he increased his speed by 19 miles got home in 2 hours . what was the speed? thank you
*Wednesday, September 16, 2015 by william*

**Math**

A quadrilateral has a angle that measures 63°, 89° and 121° What is the measure of the fourth angle?
*Wednesday, September 16, 2015 by Lynne*

**Math teacher**

Joanie wants to mail a package that requires $1.61 in postage. If she has only 5 cent and 8 cent stamps. what is the smallest number of stamps she could use that would total exactly $1.61?
*Wednesday, September 16, 2015 by Earleen Shope*

**Math **

The Eatery Restaurant has 200 tables. On a recent evening, there were reservations for fraction 1/10 of the tables. How many tables were reserved?
*Wednesday, September 16, 2015 by Student*

**Math**

If I work 5 days a week making $8.38 an hour, how would I figure out how much I make a month, getting paid bi weekly?
*Wednesday, September 16, 2015 by Robert*

**math**

Create a piecewise function of the following scenario where D(t) is the total distance walked (in miles) as a function of time t (in minutes): “You begin a walk from your home at a fast pace of 6 miles per hour for 25 minutes. You rest for 15 minutes, and then you ...
*Wednesday, September 16, 2015 by briana*

**Math Grade 5**

The Eatery Restaurant has 200 tables. On a recent evening, there were reservations for 1/10 of the tables. How many tables were reserved?
*Wednesday, September 16, 2015 by Lina*

**Math**

Mrs. Cress's table measures 5 ft wide and 8 ft long. She wants to cover the table with 3 in square tiles. How many tiles will she need? Help Thank you!
*Wednesday, September 16, 2015 by Maddie*

**math**

A jeweler is heating a gold bar. It takes 7 joules of heat to raise the temperature of the bar 1°C. The initial temperature of the bar is 25°C. Use this information for Items 4–11. 4. Make a table that shows how many joules of heat would be required to raise the ...
*Wednesday, September 16, 2015 by sarah*

**math**

12-3b<9
*Wednesday, September 16, 2015 by Omar *

**Math**

Ja son éranse $20 per game. Erige expresión to find how much money ja son will earn for refereeing any Number of games. Let n representa the Number of games jason has referendo. How much will he earn for refereeing 6 games
*Wednesday, September 16, 2015 by Anonymous*

**math**

How to solve v equals lwh
*Wednesday, September 16, 2015 by tomeisha*

**Math**

What is the best estimate for the prouduct of 289 and 7
*Wednesday, September 16, 2015 by Ariana*

**Math**

Naomi has 50 red beads and white beads. The number of red beads is 1 more than 6 times the number of white beads. How many red beads does Naomi have?
*Wednesday, September 16, 2015 by Anonymous*

**math **

How to solve for y 13 equals 1/2y+2x
*Wednesday, September 16, 2015 by tomeisha*

**math**

Solve to solve for y 4x+10y equals 12
*Wednesday, September 16, 2015 by tomeisha*

**math**

How to some for y 2x+y equals -9
*Wednesday, September 16, 2015 by tomeisha*

**math **

0.957, 0.912, 0.925, 0.886, 0.920, 0.958, 0.915, 0.914, 0.947, 0.939, 0.84 how do i put these in order
*Wednesday, September 16, 2015 by Kate*

**Math - Algebra**

Evaluate t - u/v when t = -1, u = -3, and v = 1/2 I am VERY VERY unsure what the answer is. PLEASE HELP!!! I am stuck on this!!!
*Wednesday, September 16, 2015 by Logan*

**Math**

what is greater 0.84 or 0.886
*Wednesday, September 16, 2015 by Kate*

**Math**

Simplify 7+10^2*3-54
*Wednesday, September 16, 2015 by Amy*

**Math**

Carol can run 4.2 Miles's in 14 minutes, what is her speed per minute.
*Wednesday, September 16, 2015 by Ron *

**Math**

During the summer you now lawn's for extra money. One customer pays you to mow every 6 days and the other customer every 9 day's. If you mow both lawn's today,in how many days will you mow both lawn's again on the same day?
*Wednesday, September 16, 2015 by Amy*

**Math**

There are 36 students in Mrs. Keaton's sixth grade class. If 5/12 of her students are girls, how many girls are in the class?
*Wednesday, September 16, 2015 by Anonymous*

**Math**

Which number is greater then 5.5*10^-7 and less than 5.5*10^7.. Choices 1.8*10^-12 6.7*10^8 5.2*10^3 3.9*10^-8 I chose D i don't know if it is correct can someone tell me plese?
*Wednesday, September 16, 2015 by Anonomous*

**math**

a rectangular quilt is made from 180 blocks ,what 3 dimensions will the quilt have?
*Wednesday, September 16, 2015 by angel dlamini*

**Math**

If I cut 2 metres of ribbon into 10 equal pieces,how long will each pieces be ?
*Wednesday, September 16, 2015 by Molly underwood *

**math**

SAVE R2000 CASH R9999 DEPOSIT R1000 TERM 24MONTHS MONTHLY INSTALMENT R484,96 ANNUAL INTEREST RATE 26% TOTAL REPAYABLE R13817,66 WHAT IS THE DEPOSIT IF YOU WISH TO TAKE OUT THE HIRE PURCHASE LOAN? I GOT 6.90883 IT IS CORRECT? PLS HELP THANKS U
*Wednesday, September 16, 2015 by portia*

**Math**

A number between 1 and 10 that when divided by 3 and multiplied by 8 gives 16
*Wednesday, September 16, 2015 by Fiona G*

**Math**

0.1/0.6 = 2/? = ?/24
*Wednesday, September 16, 2015 by Noor*

**Math**

0.1/0.6 = 2/x =x/24
*Wednesday, September 16, 2015 by Noor*

**math**

Ernest want to buy a car costing R120,000.He want to pay cash for this model of car can only do this in one and a half years time. If the inflation rate is running at 7% per annum,calculate the cost of this car in one and a half years time.
*Wednesday, September 16, 2015 by portia*

**Math**

I can't figure out my last 3 problems please someone help me... I would really appreciate it if you could explain how to do it Questions- In each of the following situations, write the phrase as a mathematical expression. Combine like terms, if possible. 8. Bobby is 5 &...
*Wednesday, September 16, 2015 by Abby*

**math**

can someone check my work please? 1. Seven times a number, added to the sum of the number and eight. 7*x+8 2. A number multiplied by -7 less 11 X*(-7)-11 3. A number multiplied by 9, added to -8 X*9+(-8) 4. 8.7 less than a number 8.7-x 5. The sum of a number and 12 decreased ...
*Wednesday, September 16, 2015 by Abby*

**MATH**

if x = 4 and y = 3 then find the value of x^2 + 2xy __________ x^2 + 4y^2 Thank you so much!! :))
*Wednesday, September 16, 2015 by Camz*

**MATH**

The area of a rectangle is expressed as x^2 - 3x + 2 ______________ 2x^2 - 7x + 3 Determine its length if its width is: x^2 - x - 2 ______________ 2x^2 - 3x - 2 Thank you so much!! :))
*Wednesday, September 16, 2015 by Camz*

**MATH**

Simplify: 3xy + 6x^2 4xy - 2y^2 ___________ ____________ * then 2y 9x^2 y^2 / (divide by) 4x^2 - y^2 Thank you so much!! :)))
*Wednesday, September 16, 2015 by Camz*

**Math Check Pleas Thank You**

1. Which of the following numbers is an example of an integer? 15 * 0.252525 . . . 3/5 (fraction) Square root of 7 2. Which statement is false? Every integer is a real number. The number zero is a rational number. Every irrational number is a real number. Every real ...
*Wednesday, September 16, 2015 by YOLO*

**Math-pre algebra **

If you won 84 out of 162 games what is the ratio of Wins to total games
*Wednesday, September 16, 2015 by Janya*

**Math**

Jacks baby sister crawled three and five tenths meters today .which number represents that distance ?
*Wednesday, September 16, 2015 by AnnaChavez*

**Math**

Leo measured the distance each of his four car rolled across the floor. Which car measurement that has a 4 in the thousandths place represents the shortest distance rolled ?
*Wednesday, September 16, 2015 by AnnaChavez*

**Math **

Which value correctly represents the number that is 10 times as great as five hundred eight - one thousandth?
*Wednesday, September 16, 2015 by AnnaChavez*

**Math**

A pilot test requires 3 out of 5 students to be tested if there are 930 kids, how many will have to take the test? Please help! Thank you
*Tuesday, September 15, 2015 by Carly*

**Math**

What multiplication fact can help u find 7 divuided by 7?? Sos
*Tuesday, September 15, 2015 by Sammy*

**Math**

Mrs.Cress's table measures 5 ft wide and 8 ft long. She wants to cover the table with 3 in squares tiles. How many tiles will she need?
*Tuesday, September 15, 2015 by Jane*

**math**

Jacob is jogging around a track. Th track is a mile. How many laps will he have to jog to make 3 miles? Is it 24 laps
*Tuesday, September 15, 2015 by kevin*

**Math**

The following points show how many centimeters a bamboo plant can grow (g) and the hours (h) that the plant has been growing. What is k?(g,h) (10,50) (20,100) (50,250)
*Tuesday, September 15, 2015 by Kate*

**Math**

Insert grouping symbols to make the following sentence true: 160 = 8 * 16 + 12 - 4 / 2
*Tuesday, September 15, 2015 by Liv*

**Math**

Consider a market where supply and demand are given by QXS = -14 + PX and QXd = 85 - 2PX. Suppose the government imposes a price floor of $38, and agrees to purchase any and all units consumers do not buy at the floor price of $38 per unit. a. Determine the cost to the ...
*Tuesday, September 15, 2015 by Jerry*

**Math**

Cindy and Clyde sold a $450,000 home earning a 15%commission on the sale. As owner of the company Cindy gets 60% of the commission and Clyde gets the rest. How much money does each person get? I'm stuck on this problem!
*Tuesday, September 15, 2015 by Emma*

**Math **

How would I write an algebraic expression for the quotient of fifty and 5 more than a number is 10. Would this be correct; 50/(x+5)= 10
*Tuesday, September 15, 2015 by Steve*

**Math**

If there are six row in a triangle. What is the total number of cuber in the triangle. My answer is 36 cubes am I correct. If not please explain. Thanks
*Tuesday, September 15, 2015 by Americal*

**Math**

Issac answered 70% of 30 questions correctly.How many questions did he answer correctly?
*Tuesday, September 15, 2015 by Anonymous*

**MATH**

i HAVE THE ANSWER OF 5M3 + 4N. hOW CAN i WRITE AN EXPRESSION THAT HAS FIVE TERMS AND SIMPLIFIES TO THIS ANSWER?
*Tuesday, September 15, 2015 by Jaxson*

**Math**

A number to the 12th power divided by the same number to the 9th power equals 125. What is the number? 125 - Am I correct
*Tuesday, September 15, 2015 by Americal*

**math**

What is the best order-of-magnitude estimate for 0.000002?
*Tuesday, September 15, 2015 by audrey*

**Math**

A group of 13 friends were planning a trip. On night before they made lot of phone calls. Each friend talked to every other friend atleast once. what is fewest phone calls that can be made?
*Tuesday, September 15, 2015 by Mike*

**Math**

9 1/6 - 5 7/9 =
*Tuesday, September 15, 2015 by Bryce*