Thursday

December 18, 2014

December 18, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**economics,life science,math literacy and consumer studies**

what career can i persure with these subjects?
*Thursday, November 13, 2014 at 12:43pm*

**math**

A granola recipe calls for 2 1/3 cups of almonds. A bag of almonds contains 2 cups. To make 2 1/2 batches of granola, Ali buys 5 bags of almonds. How many cups of almonds will he have left over? Thank you!
*Thursday, November 13, 2014 at 12:32pm*

**math/set theory**

120 quilts were entered into a quilt show. (Traditionally, all quilts were hand stitched but now many are stitched on machines. Appliques are additional pieces of cloth that are sewn on top of the quilt.) In this show, 86 were machine stitched. 44 had appliques applied. 24 ...
*Thursday, November 13, 2014 at 11:46am*

**math**

12 4/5 punds of coffee beans he wants t repackage 4/5 bags. how many bags can he make?
*Thursday, November 13, 2014 at 8:12am*

**math**

9 pounds of coffe beans repackeage them into 3/8 pounds bags. how many bags cna he make?
*Thursday, November 13, 2014 at 8:11am*

**Biochem**

Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade High School 9th Grade 10th ...
*Thursday, November 13, 2014 at 8:07am*

**math**

what is a fraction for 10.188888888888888?
*Thursday, November 13, 2014 at 1:03am*

**math**

A bag has balls of four colours - red,blue,green and pink.Half the total number of balls are pink. One-fourth of the number of green balls equals one-third of the numher of blue balls. The number of pink balls is 4 less than twice the total number of green and blue balls. The ...
*Thursday, November 13, 2014 at 12:35am*

**sixth grade math**

How to express 12/15 as a fraction, percent, and decimal. Someone please show me how to solve.
*Wednesday, November 12, 2014 at 11:37pm*

**math**

We did not find results for: a conical tank with its vertex down is 12 feet high and 12 feet in diameter at the top. water is being pumped in at the rate of 8 feet cubed per minute. find the rate at which the water level is rising when the water is 4 feet deep.
*Wednesday, November 12, 2014 at 11:31pm*

**Math**

Patrick drew a map of his neighborhood. He used a scale in which 1 inch equals 2 miles. What distance on Patrick's map should represent the 1.5 miles between his house and the nearest gas station?
*Wednesday, November 12, 2014 at 11:27pm*

**sixth grade math**

The poster shows how many of its games the football team has won so far. Express this information as a fraction, a percent, and as a decimal. Can someone show me how to solve this problem?
*Wednesday, November 12, 2014 at 11:26pm*

**math for social science**

A bag contains 3 red marbles, 1 green one, 1 lavender one, 3 yellows, and 3 orange marbles. HINT [See Example 7.] How many sets of five marbles include at least two red ones?
*Wednesday, November 12, 2014 at 10:59pm*

**Math**

Simplify. State which property you used. 14 + 7x + 16
*Wednesday, November 12, 2014 at 10:40pm*

**math**

A street light is at the top of a 16.0 ft. tall pole. A man 5.9 ft tall walks away from the pole with a speed of 5.5 feet/sec along a straight path. How fast is the tip of his shadow moving when he is 47 feet from the pole?
*Wednesday, November 12, 2014 at 9:43pm*

**math**

Water is leaking out of an inverted conical tank at a rate of 6700 cubic centimeters per minute at the same time that water is being pumped into the tank at a constant rate. The tank has height 6 meters and the diameter at the top is 3.5 meters. If the water level is rising at...
*Wednesday, November 12, 2014 at 9:42pm*

**finance math**

Meg's pension plan is an annuity with a guaranteed return of 7% interest per year (compounded annually). She would like to retire with a pension of $30000 per annum for 15 years. If she works 31 years before retiring, how much money must she and her employer deposit per ...
*Wednesday, November 12, 2014 at 9:27pm*

**Math**

Use the formula y=50x-25 Approximately how many minutes will it take a student to type a 2500 word essay if in 8 minutes they can type 375 words and in 15 minutes they can type 725 words
*Wednesday, November 12, 2014 at 9:13pm*

**Math**

Maria has 24ft of fence.she wants to make the lalgest rectangular area possible for her dog.what length should she make each side
*Wednesday, November 12, 2014 at 8:45pm*

**Math**

Question: Write a word problem using 7 groups. And then solve the problem Can you give an example?
*Wednesday, November 12, 2014 at 8:40pm*

**Math**

how is the quotient 80000/2000 different from 80000/200 or 80000/20?
*Wednesday, November 12, 2014 at 8:39pm*

**Math**

What is a trend line
*Wednesday, November 12, 2014 at 8:37pm*

**Math**

Determine slope using 1,30 and 3,100 Answer : y=35x-5?
*Wednesday, November 12, 2014 at 8:31pm*

**math**

Oregon, 2 1/4 %per month
*Wednesday, November 12, 2014 at 8:30pm*

**Math**

Determine slope using the ordered pairs 1.5,50 and 3,100 Answer : 50/1.5?
*Wednesday, November 12, 2014 at 8:19pm*

**math**

write the steps for finding 50x30= by factoring the tens
*Wednesday, November 12, 2014 at 8:04pm*

**math**

What would be the volume of 3ft 7ft 3ft
*Wednesday, November 12, 2014 at 7:30pm*

**math**

the surface area cost of construction per m^2 for a large box is $50 for the base, $60 for the top and $40 for the walls. Find the dimensions of this box that minimize the cost if its volume has to be 9m^3 and its height, 1m
*Wednesday, November 12, 2014 at 7:19pm*

**math**

jasmine bought 6 gallons of apple juice. after filling up 4 bottles of the same size with apple juice, she has 0.3 gallons of apple juice left. hhow many gallons of apple juice are in each container?
*Wednesday, November 12, 2014 at 7:13pm*

**math **

Mr. Sims has 198 oranges. he packs them into 5 crates. Use rounding to estimate the number of oranges in each crate.
*Wednesday, November 12, 2014 at 7:07pm*

**math**

If the ratio is students in a class is 8 to 5 and there are 135 more boys then how many girls are in the class
*Wednesday, November 12, 2014 at 7:03pm*

**math**

A basket with 12 apples has a mass of 3105 grams. The same basket with 7 apples has a mass of 1980 grams. Each apple has the same mass. What is the mass of the basket?
*Wednesday, November 12, 2014 at 6:20pm*

**Math**

The number of meters decreased by 25.6 is 84.3 meters.
*Wednesday, November 12, 2014 at 5:57pm*

**Math**

Mike's age, decreased by the age of his 4 year old sister is 11. Mikes age, increased by his uncle's age is 53. How old is Mike's uncle?
*Wednesday, November 12, 2014 at 5:56pm*

**Math **

Sally has 3 planting boxes . Each box is 4 feet wide and 8 feet long. How much space does she have altogether? Is it 3x4 + 3x8= 36 total feet?
*Wednesday, November 12, 2014 at 5:52pm*

**Math**

Determine slope using the ordered pairs 1.5,50 and 3,100
*Wednesday, November 12, 2014 at 5:49pm*

**Math**

Papa’s Pizzeria charges $12.00 for a medium cheese pizza and $1.25 for each additional topping. What will be the cost of a pizza that has pepperoni, sausage, bell peppers and onions?
*Wednesday, November 12, 2014 at 5:43pm*

**Math**

Roy works at happys restaurant. He works 30 hrs a week. Last week he earned $130 of which $40 was tips. How much is he paid per hour?
*Wednesday, November 12, 2014 at 5:38pm*

**Math**

What is 3.9 x 4.67 equal to?
*Wednesday, November 12, 2014 at 5:23pm*

**math**

Sally and Marta had the same number of postcards. After Sally sold 18 of her postcards, Marta had 4 times as many postcards as Sally. How many postcards did each girl have to begin with?
*Wednesday, November 12, 2014 at 5:10pm*

**Math, Please Help!**

Suppose a dot is placed at random in a 10 x 10 graph grid in which squares have been numbered from 1 to 100 with no number repeated. Now simulate choosing 100 numbers at random between 1 and 100 inclusive. How many numbers might you expect to match the square with the dot?
*Wednesday, November 12, 2014 at 5:03pm*

**Math HELP!**

Please help me write an equation for these two: Ten fewer than the number of band instruments is 47 instruments. The number of meters decreased by 25.6 is 84.3 meters
*Wednesday, November 12, 2014 at 4:58pm*

**Math**

do you borrow his bike for a total of 41 minutes.before lunch,he vote for one minute less than five times the number of minutes he rolled after lunch. how many minutes did you fire ride before lunch
*Wednesday, November 12, 2014 at 4:55pm*

**Math**

the series a_n doesn't have a limit. prove that the series (1/n) doesnt go to 1. use the definiton of lim: for every epsilon>0......
*Wednesday, November 12, 2014 at 3:35pm*

**Advanced Math**

At 9:00 a.m. the temperature was -4 degrees. It rose 35 degrees during the day. What was the new temperature
*Wednesday, November 12, 2014 at 3:26pm*

**Math Help!!!**

1. Which of these numbers can be classified as both real and rational? ½ -1.016879413894 Square root of 5 0.89089908999 2. Which is both a real number and an integer? Square root of 7 0.15 -15 1/3 3. Which is an example of an irrational number? Square root of -16 Square...
*Wednesday, November 12, 2014 at 3:24pm*

**math**

An atom of gold has a mass of approximately 3.25 × 10−22 grams. What is the mass of 7000 atoms of gold? Express your answer in scientific notation
*Wednesday, November 12, 2014 at 3:19pm*

**Math**

In any rhombus one angles is 60 and perimeter is 40 meter. Longer diagonal will be
*Wednesday, November 12, 2014 at 3:07pm*

**math**

melanie has 9 gallons of juice and shelby has 16 quarts of juice.How many gallons of the did the two girls have?
*Wednesday, November 12, 2014 at 2:51pm*

**Math**

The length of a rectangle is 5 centimeters less than three times it's width . It's area is 12 square centimeters. Find the dimensions of the rectangle
*Wednesday, November 12, 2014 at 2:10pm*

**math**

Wel-min makes a square quilt that has an area of 100 square feet.It has 25 square blocks, each the same size. What is the legth of each side of a block? A 2 feet B 4 feet C 6 feet D 10 feet is the answer b 4 feet someone please help
*Wednesday, November 12, 2014 at 1:48pm*

**math**

. what are the steps to solve this problem? 0.000027/0.000009 requirements: explain how to use scientific notation to solve the problem describe how to divide written in scientific notation give your final answer in simplest form.
*Wednesday, November 12, 2014 at 12:26pm*

**math**

write all the steps to solve the following problem. explain your steps as you solve it. a certain computer can perform 10^5 calculations per second. how many calculations can it perform in 10 seconds?
*Wednesday, November 12, 2014 at 12:26pm*

**math olympiad**

If the digonal of a rectangle is square root of 89. Find the lenght and breadth ?
*Wednesday, November 12, 2014 at 11:26am*

**Math**

3x=4+8y Find A,B, and C
*Wednesday, November 12, 2014 at 8:42am*

**Math Help**

Solve for x: 1.) ln√x-8=5 2.) log2x+log2(x+2)=log2(x+6)
*Wednesday, November 12, 2014 at 8:35am*

**Math**

Hi! Could someone possibly help me solve this?; log2(x+4)=log2(x^2+2). For my answer, I got "All Real Numbers" or x=0 but I'm not sure if that's right. Thanks a bunch!
*Wednesday, November 12, 2014 at 8:34am*

**Math Help**

The number y of daily fee golf facilities in the United States from 1995 to 2003 can be represented by the following model where t represents the year with t = 5 corresponding to 1995. y=4381+1883.6lnt 5=t=13 During which year did the number of daily fee golf facilities reach ...
*Wednesday, November 12, 2014 at 7:56am*

**Math**

$2500 is invested in an account that pays 12% interest, compounded continuously. Find the time required for the amount to triple and round the final answer to the nearest tenth of a year.
*Wednesday, November 12, 2014 at 7:56am*

**MATH**

HOW IS ADDITION & SUBTRACTION OF POLYNOMIALS SIMILAR TO ADDITION & SUBTRACTION OF RADICAL EXPRESSIONS?
*Wednesday, November 12, 2014 at 6:24am*

**math please help **

The sales tax oon a $350 computer is $22.75. Find the saes tax rate. 24 red marbles is 40% of _____ marbles.
*Wednesday, November 12, 2014 at 6:16am*

**math**

WHAT PROPERTY OF REAL NUMBERS IS USED IN THE PROCESS OF ADDING AND SUBTRACTING RADICAL EXPRESSIONS?
*Wednesday, November 12, 2014 at 6:03am*

**math algebra**

COULD SOME OF WITH DEGREE IN MATHS HELP ME TO SOLVE THIS SIMULTANEOUS EQUATION PLEASE, PLEASE ? I HAVE RIED DIFFERENT METHODS BUT IT CANNOT GET THE CORRECT ANSWER, AS IN THE BOOK. X-3/4 -Y-2/5 = -1/4 (1) 4-X/3+ 3-Y/2 = - 13/20 (2) 5x-15-4y+8= -1 5x-4y=17-1 8-2x+9-3y= -13 -2x-...
*Wednesday, November 12, 2014 at 5:16am*

**math**

Find the present value, using the present value formula. (Round your answer to the nearest cent.) Achieve $225,500 at 8.45% compounded continuously for 8 years, 145 days.
*Wednesday, November 12, 2014 at 3:43am*

**Math**

In a triangle ABC, with angles A, B, and C and sides AB, BC, and AC, angle B is a right (90°) angle. If the sin of angle A is 0.5 and side BC is 8 inches long, what is the length of side AC?
*Wednesday, November 12, 2014 at 12:52am*

**Math**

Rules on multiplying Monomial to monomials ; Monomial to Binomial : Binomial to Binomial ; Binomial to Trinomial ?
*Wednesday, November 12, 2014 at 12:27am*

**math**

a radio station broadcasts at a frequency of 590,000 . What is the wavelength of the radio waves?
*Tuesday, November 11, 2014 at 11:34pm*

**math**

If the LCM of two numbers is 60, and the difference between the two numbers is 3, what is the pair of numbers?!?!?!?
*Tuesday, November 11, 2014 at 10:59pm*

**math**

f(x)= 1/3x^5 + x^-2 + 3, then f'''(x) is.. I got f'''(x)= 20x^2-24x^-5 Can you tell me if I got this right
*Tuesday, November 11, 2014 at 10:52pm*

**math**

How many 1/4 cups servings are in 5/8 cup?
*Tuesday, November 11, 2014 at 10:31pm*

**math**

what is the better buy one pack of aaa batteries for $5.49 and get a pack free or buy two packs for $2.9.
*Tuesday, November 11, 2014 at 9:34pm*

**math**

which equation is related to the given equation x+13=57
*Tuesday, November 11, 2014 at 8:50pm*

**Math**

Emily and Sarah had a total of $80 dollars. After Sarah spent 1/3 of her money and emily spent $17, emily had twice as much money as sarah. How much more money did Emily have than sarah at first?
*Tuesday, November 11, 2014 at 8:25pm*

**Math**

How to write five times the width in algebraic expression
*Tuesday, November 11, 2014 at 8:14pm*

**Math**

How to right five times the width in algebraic expression
*Tuesday, November 11, 2014 at 8:12pm*

**Math**

Mr. Herman's family is traveling from Brownsville, Texas to their home in Lardeo, Texas. The distance from Brownsville to Laredo is 200 miles. And Mr Herman is driving at a speed of 50 miles per hour. Write an equation for the situation 50x=200
*Tuesday, November 11, 2014 at 8:11pm*

**Math**

Write a numerical expression that represents the sum of 9 squared and 35
*Tuesday, November 11, 2014 at 8:08pm*

**Math**

If you cut 50m of rope into three pieces in the ratio of 5: 8: 7. What was the length of the shortest piece
*Tuesday, November 11, 2014 at 7:38pm*

**math 118**

24 cars needs to be painted three deference colors out of 64 kinds of colores how many is done many is done
*Tuesday, November 11, 2014 at 7:29pm*

**Math**

Marty has a fenced yard in the shape of a rectangle. Its area is 635.4 square feet. The width of the yard is 18 feet. What is the length of the fence?
*Tuesday, November 11, 2014 at 7:18pm*

**7th grade math**

Two step equations: Vincent started the year with $254 in his account at the health spa. Each time he uses the spa, $15 is taken out of the account. How many more times can he use the spa if he has already had $180 taken out of his account this year? I mostly just need to know...
*Tuesday, November 11, 2014 at 7:14pm*

**Math**

A Gentoo penguin can swim at a rate of 17 miles per hour how many miles can a penguin swim in 4 hours use the expression rt where r represents rate and t represents time
*Tuesday, November 11, 2014 at 7:01pm*

**math**

-7.8 = 4.4 + 2r
*Tuesday, November 11, 2014 at 6:47pm*

**math**

-7.8 = 4.4 =2r
*Tuesday, November 11, 2014 at 6:44pm*

**Math Help!!!**

Solve the proportion. Round to the nearest hundreth, where necessary. 32/?=20/25 A. 37 B. 16 C. 26 D. 40 Is the answer D?
*Tuesday, November 11, 2014 at 6:22pm*

**Math Help!!!**

Solve the proportion. Round to the nearest hundreth, where necessary. 27/90=3/? A. 3 B. 10 C. 9 D. 27 Is the answer B?
*Tuesday, November 11, 2014 at 6:17pm*

**Math Help!!!**

Solve the proportion. Round to the nearest hundreth, where necassary. 9/4=?/12 A. 54 B. 36 C. 45 D. 27 D?
*Tuesday, November 11, 2014 at 6:08pm*

**Math Help!!!**

Triangle A and triangle B are similar. The perimeter of trianlge A is 15 m and the perimeter of triangle B is 30 m. What is the ration of the perimeter of triangle B to the perimeter of triangle A? A. 2:1 B. 3:1 C. 3:2 D. 5:3 Is the answer D?
*Tuesday, November 11, 2014 at 5:52pm*

**Math**

Whats the 2nd derivative of 4xsecx I got 4secxtanx+8xsecxtan^2x
*Tuesday, November 11, 2014 at 5:45pm*

**Math**

How do you use a trend line in math
*Tuesday, November 11, 2014 at 5:44pm*

**Math**

Estimate the product by finding two answers the exact answer is between 7x 3,289
*Tuesday, November 11, 2014 at 5:41pm*

**Math**

Mr. Herman's family is traveling from Brownsville, Texas to their home in Lardeo, Texas. The distance from Brownsville to Laredo is 200 miles. And Mr Herman is driving at a speed of 50 miles per hour. Write an equation for the situation 50x=200
*Tuesday, November 11, 2014 at 5:41pm*

**Math Help!!!**

The triangles below are similar. Find the value of x. The first triangle has 14 on the right and left side and 18 on the bottom. The second triangle has 7 on the right and left side and x on the bottom. A. 9 B. 8 C. 10.5 D. 11 Is the answer B?
*Tuesday, November 11, 2014 at 5:39pm*

**math**

Paul has two thirds as many postcards and shawn the number of postcards shawn has three fifths of a number of postcard tim has if three boys have 280 postcards altogether how many more postcards does Tim have than Paul
*Tuesday, November 11, 2014 at 5:36pm*

**Math**

X Number Of Months 1 2 3 4 Y Total Charges 170 230 290 350 What is the independent quantity? What is the dependent quantity? I know that independent means the one that changes. Would the total charges be independent
*Tuesday, November 11, 2014 at 5:33pm*

**Urgent Math Help**

Solve for x: 1.) ln√x-8=5 2.) log2x+log2(x+2)=log2(x+6)
*Tuesday, November 11, 2014 at 5:31pm*

**Math Help!!!**

Use cross products to determine which of the following pairs of ratios cannot form a proportion. A. 1/3*3/9 B. 2/3*4/9 C. 2/3*4/6 D. 1/3*2/6 Is the answer B?
*Tuesday, November 11, 2014 at 5:22pm*

**Math**

Hi! Could someone possibly help me solve this?; log2(x+4)=log2(x^2+2). For my answer, I got "All Real Numbers" or x=0 but I'm not sure if that's right. Thanks a bunch! :)
*Tuesday, November 11, 2014 at 5:18pm*

**Math Help!!!**

Find the unit rate for the situation. 360 km in 6 h A. 60 km/h B. 120 km/h C. 62 km/ h D. 61 km/h Is the answer A?
*Tuesday, November 11, 2014 at 5:01pm*

**Math Help!!!**

The price of 10 ounces of crackers is $3.00. What is the unit price? Round your answer to the nearest cent. A. $0.15 per ounce B. $0.30 per ounce C. $0.60 per ounce D. $0.90 per ounce Is the answer B? Thank you
*Tuesday, November 11, 2014 at 4:47pm*

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