Sunday

August 30, 2015
**Math**

the directions for lemonade say to put 2 cups of liquid concentrate into one gallon of water. if olivia only wants to make one pint of lemonade, how many fluid ounces of concentrate should she put?
*Sunday, March 23, 2014 by Jess*

**Math**

Does -7x^2+6x+3 have two real-number solutions?
*Sunday, March 23, 2014 by Anonymous*

**math**

Justin takes three times as long to do a job as Carl does, suppose t represents the time it takes Carl to do the job. Then 3t represents the time it takes Justin. How long does it take Justin if Carl takes (a) 30 sec? (b) 90 sec? (c) 2 min?
*Sunday, March 23, 2014 by jeedo*

**Gr 10 math - finding slopes in shapes**

Is the slope 3/4 the same as -3/-4? In other words, do the negatives cancel each other out and become a positive number? Thanks!
*Sunday, March 23, 2014 by iza*

**math**

Solve by substitution: x-y=3 x+3y=6 This is what I get: X+3y=6 Y=x-3 X(x-3)=6 2x= 9 2 2 X= 9/2 9/2+3y=6 9/2-9/2+3y= 6-9/2 3y/3= 3/2/3 Y= ½
*Sunday, March 23, 2014 by Please help*

**Math**

How do you solve this by substitution? x=6y+2 3x-18y=4 This is the answer I get: 3(6y+2)-18y=4 18y+6-18y=4 18y+1818y+6-18y+18y=4 36y=10 36 36 Y=5/18 3x-18(5/18) =4 3x-5+5= 4+5 3x= 9 3 3 X=3 (3, 5/18)
*Sunday, March 23, 2014 by Please help*

**Math**

Two angles are complementary. Twice one angle plus the other is 96. Find the measure of each angle.
*Sunday, March 23, 2014 by Mark*

**Math -Quadratics Help!**

I have a test tomorrow with a few sample questions that are expected to be on the test that I do not know how to properly do. 1)Find the slope intercept equation of the line passing through the intersection of the lines 2x-4y=1 & 3x+4y=4 and parallel to the line 5x+7y+3=0 2)...
*Sunday, March 23, 2014 by JBregz*

**Math**

The perimeter of a rectangle is 46 cm. One side is 9 cm longer than the other side. Find the lengths of the sides.
*Sunday, March 23, 2014 by Amy*

**Math - Quadratics & Analytical Geometry**

I have a test tomorrow with a few sample questions that are expected to be on the test that I do not know how to properly do. 1)Find the slope intercept equation of the line passing through the intersection of the lines 2x-4y=1 & 3x+4y=4 and parallel to the line 5x+7y+3=0 2)...
*Sunday, March 23, 2014 by Jay*

**Math**

two angles are complementary. Twice one angle plus the other is 96'. Find the measure of each angle.
*Sunday, March 23, 2014 by Amy*

**math word problems**

Package A weighs half as much as Package B. Package B weighs four times as much as Package C. The total weight of Package A and Package C is 648 grams. Find the weight of Package B.
*Sunday, March 23, 2014 by Jiskha*

**probability math question**

a bag contanins 7 red marbles, 2 blue marbles, and 1 green marble. What is the probabilty of choosing a marble that is not blue?
*Sunday, March 23, 2014 by Anonymous*

**math**

Anthony went to the store to buy soda. There was a sign that said, "15% off." The soda eas priced at $2.99 How much did the soda cost Anthony? If Anthony paid with a ten dollar bill, how much change did he recieve?
*Sunday, March 23, 2014 by Anonymous*

**math**

A company is selling 1 gallon blocks of orange juice. your task is to design a rectangle box ( prism) that meet all the criteria below: a) contains at least 231 cubic inches. b)the height of the box must be exactly 1/4th of the width of the box. c)the box is closed on all 6 ...
*Sunday, March 23, 2014 by merfit*

**math**

maren walks 3/5 miles in24 minutes at a steady pace. how long does it take her to walk 2 miles
*Sunday, March 23, 2014 by Janell*

**math **

Round 75.36 to the nearest unit I think the answer is 75
*Sunday, March 23, 2014 by matt*

**Math **

If 1/3 of. My salary is in one bank, 1/5 in another and 1/6 in another how much I have left
*Sunday, March 23, 2014 by DD*

**math word problems**

A black pole 3 yd 2 ft long was 2 ft longer than a white pole. When part of the black pole was cut away, it was 1 yd 1 ft shorter than the white pole. How much of the white pole was cut away?
*Sunday, March 23, 2014 by Anonymous*

**MATH HELP!!**

3c-7d=-3 2c+6d=-34
*Sunday, March 23, 2014 by Nina*

**Math**

Bella keeps a supply of red, blue, and black pens in a drawer. The drawer has 14 red pens, 18 blue pens, and 10 black pens. If Bella wants a red pen, what is the minimum number of pens she has to pull out from the drawer to make sure she gets a red pen?
*Sunday, March 23, 2014 by Orko*

**math**

x^2 sqrt(x)
*Sunday, March 23, 2014 by Poulson*

**math**

If a new home can be constructed for $160,000, what is the opportunity cost of federal defense spending, measured in terms of private housing? (Assume a defense budget of $700 billion.)
*Sunday, March 23, 2014 by jon*

**College Math**

show that the quadrilateral with vertices at the following points is a parallelogram and find its area. a = (5,2,0), b = (2,6,1), c = (2,4,7), d = (5,0,6)
*Sunday, March 23, 2014 by Muja*

**Math**

show that the quadrilateral with vertices at the following points is a parallelogram and find its area. a = (5,2,0), b = (2,6,1), c = (2,4,7), d = (5,0,6)
*Sunday, March 23, 2014 by Muja*

**math**

If f(x)=2x-1 and g(x)=x^2-x find : 1. g(g(x)) 2. g(f(x)) 3. f(g(x)) 4. f(f(x))
*Sunday, March 23, 2014 by Pam*

**math**

if f(x)=1-3x and g(x)=x^2-1, find : f(g(x))
*Saturday, March 22, 2014 by Alice*

**math**

if f(x)=1-3x and g(x)=x^2-1, find : g(g(x)), and g(f(x))
*Saturday, March 22, 2014 by Alice*

**Math**

-7x + 9y = -29 8x + 5y = -28
*Saturday, March 22, 2014 by Chris *

**Math **

solving applied problems two equations (Coles two student loans totaled $31,000. One of his loans was at 2.8% simple interest and the other at 4.5%. After one year, Cole owed $1024.40 in interest. What was the amount of each loan?)
*Saturday, March 22, 2014 by Chris *

**Math**

Thanks Steve, but can anyone else help? Start with the word dinner change one letter at a time to form new until you have the word coffee Thank soooooooo much to everybody.
*Saturday, March 22, 2014 by T J*

**Math**

Doublets? Change one word to another word one letter at a time. Create linking words. DINNER serve COFFEE. Has anybody got a clue how to do this? You have to end with the word coffee? Any help would me much appreciated. Thank You
*Saturday, March 22, 2014 by T J*

**Math**

Solve the system using elimination. y = -x + 3 y = x^2 + 1
*Saturday, March 22, 2014 by Anonymous*

**Math (help)**

Nikki made 2 gallons of punch with fruit juice and ginger ale. The recipe requires 1 gallons of ginger ale. What percent of the total recipe is fruit juice? A- 50% B- 33 1/3% C- 25% D- 10% I got 50% because u need 1/2 more but the answer is 25 please explain
*Saturday, March 22, 2014 by May*

**Math**

If salesman earned a 6% commission on sales, and in one week he earned $300 in commissions, how much merchandise did he sell that week?
*Saturday, March 22, 2014 by Rayne *

**Math**

What is 66 2/3 of 39?
*Saturday, March 22, 2014 by Rayne *

**Math**

Write an equation to model the data. x: 0,1,2,3,4 y: 0,2.8,11.2,25.2,44.8 How do you do this?
*Saturday, March 22, 2014 by Anonymous*

**Math**

Suppose that Ramos contributes $6000/year into a traditional IRA earning interest at the rate of 2%/year compounded annually, every year after 35 until his retirement age at age 65. At the same time, his wife Vanessa deposits $4900/year into a Roth IRA earning interest at the ...
*Saturday, March 22, 2014 by Dee*

**math**

solve the equation 5coshx + 3sinhx = 4
*Saturday, March 22, 2014 by Alice*

**math**

regular selling price of A is 100. promo price of A is 85. New special price offered for A is 75. What will be the discount % of A
*Saturday, March 22, 2014 by Anonymous*

**math**

Jessica earns $53.35 in 5.5 hours. How much does Jessica earn in 1 hour?
*Saturday, March 22, 2014 by kathy*

**math**

Please !!!! What can i write a letter about my math best teacher ..???
*Friday, March 21, 2014 by Iqbal *

**Math**

An architect has allocated a rectangular space of 465ft^2 for square dining room and a 16ft wide kitchen. Find both the width of the square dining room and the length of the entire rectangular space.
*Friday, March 21, 2014 by Pam*

**Math**

The number of tickets sold each day for an upcoming performance of Handels Messiah is given by N(x)=-0.4x^2+11.2x+13, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?
*Friday, March 21, 2014 by Pam*

**math**

A cylinder can held 105 Liters of milk a) ignoring the thickness of the material calculate the volume of the cylinder in cm(cube).
*Friday, March 21, 2014 by santoniann*

**math**

The life of automobile voltage regulators has an exponential distribution with a mean life of six years. You purchase an automobile that is six years old, with a working voltage regulator and plan to own it for three years. a)What is the probability that the voltage regulator ...
*Friday, March 21, 2014 by ash*

**math**

How do you find the area of a circle with a diameter of 26 feet???
*Friday, March 21, 2014 by kim*

**math**

describe a situation in which you might use each calculation a)9/8 divided by 2/3 b)1 and 2/3 divided by 2 and 2/3
*Friday, March 21, 2014 by Mari*

**math**

A farmer wants to construct a pen with 100 feet fencing. The pen will be divided into two areas. Find the dimensions of the big pen. You may use your calculator or the fact that the x-coordinate of the vertex of a parabola is x=-b/2a. I would like to show a picture but somehow...
*Friday, March 21, 2014 by dave*

**Math**

I know when you decrease the height of a cone by half that the volume decreases by half from plugging in the numbers in the formula. However, I don't how to explain in words why a decrease in height by half results in a decrease in the volume by half. Thanks..
*Friday, March 21, 2014 by Brandi*

**Math**

Today you deposited $5000 into a savings account paying 12% interest. How much should you have in 15 years?
*Friday, March 21, 2014 by lisa *

**Math**

if I have 1 defect in a batch of 54 widgets, what is my quality index?
*Friday, March 21, 2014 by Jane*

**math**

How many faces, edges, and vertices does the solid figure have? image
*Friday, March 21, 2014 by lina*

**Math - PreCalc (12th Grade)**

If the distance covered by an object in time t is given by s(t) = 2t2 + 3t, where s(t) is in meters and t is in seconds, what is the average velocity over the interval from 2 seconds to 4 seconds? A) 15 meters/second B) 14 meters/second C) 13 meters/second D) 12 meters/second ...
*Friday, March 21, 2014 by Shawna*

**Math - PreCalc (12th Grade)**

The function f(x) = 6x + 5 is defined over the interval [-1, 4]. If the interval is divided into n equal parts, what is the value of the right end point of the first rectangle?
*Friday, March 21, 2014 by Shawna*

**Math - PreCalc (12th Grade)**

What is the value of this expression when n approaches infinity? 4−(4/n)+(5/n)+(15/3n^2) A) 20 B) 10 C) 5 D) 4 E) 1
*Friday, March 21, 2014 by Shawna*

**Math - PreCalc (12th Grade)**

How many 4-digit numbers are possible if the hundreds digit is 8 and if repetition of digits is allowed? A) 100 B) 1,000 C) 9,000 D) 900 E) 1,800
*Friday, March 21, 2014 by Shawna*

**Math - PreCalc (12th Grade)**

Which statement about a uniform probability distribution defined on a given interval is true? A) The mean is always 0. B) The mean is always 1. C) The standard deviation is always 1. D) The mean is the midpoint of the interval. E) The standard deviation is equal to the width ...
*Friday, March 21, 2014 by Shawna*

**Math - PreCalc (12th Grade)**

The function f(x) = x2 − 5 is defined over the interval [0, 5]. If the interval is divided into n equal parts, what is the area of the kth rectangle from the right? A) [(2+k(5/n))^2+5](5/n) B) [(k(3/n))^2−5](5/n) C) [(k(5/n))^2+5](5/n) D) [(k(3/n))^2+3](5/n) E) [(k...
*Friday, March 21, 2014 by Shawna*

**Math and Music**

I have to do a presentation on how math and music relate. I have found some things and facts but everything is so complicated. If someone could help explain to me how I can narrow my topic down and make a presentation that is simple but effective. It can be anything within the...
*Friday, March 21, 2014 by Madi*

**Math - PreCalc (12th Grade)**

A fair coin is tossed 3 times in a row. If X is the number of heads counted, what is the mean of the probability distribution of X? A) 1.0 B) 1.5 C) 2.0 D) 2.5 E) 3.0
*Friday, March 21, 2014 by Shawna*

**Math - PreCalc (12th Grade)**

The function f(x) = 2x + 1 is defined over the interval [2, 5]. If the interval is divided into n equal parts, what is the value of the function at the right endpoint of the kth rectangle? A) 2+3k/n B) 4+3k/n C) 4+6k/n D) 5+6k/n E) 5+3k/n
*Friday, March 21, 2014 by Shawna*

**math **

Rewrite the following equation in the center-radius form of the equation of a circle. x2 - 2x + y2 + 2y - 2 = 0
*Friday, March 21, 2014 by Elizabeth*

**math**

A fruit seller bought m pears and twice as many mangoes. He also bought 10 fewer peaches than pears. Each pear cost RM 0.40 cents, each mango cost RM 0.50 cents while each peach cost RM 0.80. If the fruit seller paid RM 102. Find the value of m.
*Friday, March 21, 2014 by doremi*

**Math - PreCalc (12th Grade)**

Use the inverse matrix to solve this system of equations: 4x+3y=7.5 7x+9z=14 4y-z=8.3 4,3,0 7,0,9 0,4,-1
*Friday, March 21, 2014 by Shawna*

**Math**

What does Please Excuse My Dear Aunt Sally mean?
*Friday, March 21, 2014 by Anonymous*

**math help please**

Let f:ℤ+ → ℤ+ be the function defined by: for each x ∈ ℤ+, f(x) is the number of positive divisors of x. - find integers m, n, and k so tha f(m)=3, f(n) = 4 anf f(k) = 5 -is f one-to one? Explain, is f unto? prove is it true that all positive odd ...
*Friday, March 21, 2014 by excel*

**Math: Thinking Mathematically**

A flagpole has the height of 16 yards It will be supported by three cables, each of which is attached to the flagpole at a point 4 yards below the top of the pole and attached to the ground at point that is 9 yards from the base of the pole, Find the total number of feet of ...
*Friday, March 21, 2014 by Brandon*

**math**

A state fair had 1,019,887 people in attendance. The fair committee performed a survey. The question was, “What do fairgoers enjoy most ...
*Friday, March 21, 2014 by joe*

**math**

write 3 out of 4 +4 out of 9 into a mixed number
*Friday, March 21, 2014 by ariana l. collins*

**math**

Anna bought a camera that was 20% off the regular price of $1,080. If an 8% sales tax was added to the cost of the camera, what was the total price she paid for it?
*Friday, March 21, 2014 by **please help***

**math**

Which expression represents the sum or (2x-5y) and (x+y)?
*Friday, March 21, 2014 by **please help***

**Need Math Help Please **

in probability why are tree diagrams more useful than to use tables ?? please explain to me in a paragraph so i understand completely and could you please show me an example where i would have to use the tree diagram, and why i couldnt use a table???
*Thursday, March 20, 2014 by Annie*

**Need math help please **

could someone please give me an example not an example using coins, marbles, spinner, like something different that would explain the difference b/w theoretical and experimental probability.
*Thursday, March 20, 2014 by Annie*

**math**

The area of a rectangular space is 128 square feet. a. Find all the possible pairs of whole number dimensions in feet. b. Explain which pair allows enough space for a car to park. c. If the length of the space is x feet, how would you describ e the width using the area and the...
*Thursday, March 20, 2014 by Anonymous*

**Math ~ Check Answers ~**

3. In the following list of data, find the range: 21, 28, 31, 35, 39, 43, 51, 60. 35 37 39****** 40 Pat recorded the weights of the first 10 fish she caught and released at Mirror Lake this season. The weights were 8 lb, 6 lb, 9 lb, 6 lb, 7 lb, 5 lb, 7 lb, 6 lb, 23 lb, and 6 ...
*Thursday, March 20, 2014 by Cindy*

**Math ~ Check Answers ~ASAP**

3. In the following list of data, find the range: 21, 28, 31, 35, 39, 43, 51, 60. 35 37 39****** 40 Pat recorded the weights of the first 10 fish she caught and released at Mirror Lake this season. The weights were 8 lb, 6 lb, 9 lb, 6 lb, 7 lb, 5 lb, 7 lb, 6 lb, 23 lb, and 6 ...
*Thursday, March 20, 2014 by Chloé*

**Math**

The base of a triangle is 6cm greater than the height. The area is 20cm^2. Find the height and the length of the base.
*Thursday, March 20, 2014 by Pam*

**Math**

How do graph the parent quadratic function on calculator? I need some assistance so I can start my Hw. I have a TI-83 pus calculator
*Thursday, March 20, 2014 by Anonymous*

**math**

If the rectangle is 53 cm on one side and the other side is 29 cm what is the perimeter of the rectangle.
*Thursday, March 20, 2014 by zoye*

**Math**

An architect has allocated a rectanglular space of 646ft^2 for a square dining room and a 15ft wide kitchen. Find both the width of the square dining room and the length of the entire rectangular space.
*Thursday, March 20, 2014 by Pam*

**Math**

4. Your article will be featured on the front page of the World section of the newspaper, as well as on-line. The article is to be placed in the shaded section below, which measures 4 inches wide by 9 inches long (not drawn to scale). Your editor has stated that your graph is...
*Thursday, March 20, 2014 by A*

** Math**

The names, or notes, of all the white keys on a piano are written on pieces of paper and placed in a cup. There are 7 sets of the notes D, E, F, and G and 8 sets of the notes A, B,and C. If a person draws one note out of the cup without looking, what are his or her chances of ...
*Thursday, March 20, 2014 by Alexa*

**math**

Date US Population Jul 1, 2012 313.85 million Jul 1, 2011 311.59 million Jul 1, 2010 309.35 million Jul 1, 2009 306.77 million Jul 1, 2008 304.09 million Jul 1, 2007 301.23 million Jul 1, 2006 298.38 million Jul 1, 2005 295.52 million Jul 1, 2004 292.81 million Jul 1, 2003 ...
*Thursday, March 20, 2014 by A*

**math**

proctor exam mat106
*Thursday, March 20, 2014 by cool kid*

**math**

Students have to choose one to five topping for their sundaes chocolate syrup,peanuts,whipped crime, sprinkles, and cherries. Assuming all toppings are equality likely to be chosen, what is the probability that a student chooses a Sunday with peanuts only?
*Thursday, March 20, 2014 by Cindy*

**Math**

Type Amount Recycled (%) Amount Recycled (in millions of tons) Paper and Paperboard 52.8 45.9 Yard Trimmings 22.2 19.3 Metals 8.6 7.5 Glass 3.7 3.2 Plastics 3.1 2.7 Wood 2.7 2.3 Food waste 1.6 1.4 Other 5.3 4.6 Date US Population Jul 1, 2012 313.85 million Jul 1, 2011 311.59 ...
*Thursday, March 20, 2014 by Han*

**math**

x=2+y y/2=-3+x
*Thursday, March 20, 2014 by coriza*

**Math**

1. You want to deliver an article with the most impact and easy reading to the readers; you decide that you need to present the data as percentages. For each of the data statements, though, none of them have percent’s. Convert each statement’s data into a percentage...
*Thursday, March 20, 2014 by Han*

**math**

What will be the cost of 275 bags of sugar containing 98 pounds each at $0.12 a pound?
*Thursday, March 20, 2014 by Anonymous*

**math**

Mr. Willams recieves an annual salary of $54,000. What is his average monthly salary?
*Thursday, March 20, 2014 by Anonymous*

**math**

Ms. M is buying a 6 pound roast at $1.05 a pound. What will her change be from a ten dollar bill?
*Thursday, March 20, 2014 by Anonymous*

**Algebra 1**

Hi! I'm doing my math homework, but I got confused. Can someone please help me how to solve simplest radical forms with an example? With square roots?
*Thursday, March 20, 2014 by Bob*

**math**

Jorge sees that there are small and large squares in the tile design belo.how many squares are there in all in the design?
*Thursday, March 20, 2014 by erika*

**Math HELP!!!!!!!!**

A superhero is trying to leap over a tall building. The function f(x)=-16x^2+200x gives the superheroes height in feet as a function of time. The building is 612 feet high. Will the superhero make it over the building? Explain.
*Thursday, March 20, 2014 by The doctor*

**MATH HELP**

In desperate need of help! solve by factoring. 1. x^2=-25+10x 2. 2x^2+9x=5 3. The length of a square is 4x-3. Find the area in terms of x.
*Thursday, March 20, 2014 by Anonymous*

**Math- please help!!!**

please help me solve these problems! Thank you! 1. Simplify: (3p^5)(5p^2)+(7p^3)(2p^4) 2. Simplify: (6x^2-2xy+3y^2)-(4x^2-xy-y^2)
*Thursday, March 20, 2014 by Anonymous*

**math**

this number is less then200. the ones digit is 5 less then 10. the tens digit is 2 more then the ones digit. what is the number?
*Thursday, March 20, 2014 by yaed*

**math**

Jeff is repairing his sleeping tent. After measuring he find he needs 90 inches of new canvas. What will it cost at $1.88 a yard?
*Thursday, March 20, 2014 by Anonymous*

**math**

William helped his father pack 1000 tomato plants. He put 25 plants in a box. They sold them for $2.25 a box. How much did they recieve for the plants?
*Thursday, March 20, 2014 by Anonymous*