http://www.algebra.com All new stuff on algebra.com en-us Copyright Algebra.Com Sun, 12 Feb 2012 17:35:00 -0000 Sun, 12 Feb 2012 17:35:00 -0000 webmaster@algebra.com webmaster@algebra.com http://www.algebra.com/tutors/faq.mpl?key=571603&action=answer_question Click on the link to solve this problem: Put in only arithmetic signs for 1,2,3,4,5,6 and 7 to equal 100 ? 7c8df1d6-72b7-3d43-9a3c-fe34e92c0343 Sun, 12 Feb 2012 11:31:17 -0006 http://www.algebra.com/tutors/faq.mpl?key=571602&action=answer_question Click on the link to solve this problem: I'm new at this and am kind of lost. Can someone help with this problem: You place a deck of cards inside a hat. You then draw one card from the hat and replace it. How would you know if the deck is fair? f2d904d5-a759-3cde-ad85-1c92affac4ad Sun, 12 Feb 2012 11:30:26 -0006 http://www.algebra.com/tutors/faq.mpl?key=571601&action=answer_question Click on the link to solve this problem: 1) 1000+(X*20) plan 1 plan2= 25*x 2) For plans 2- 25*x=1000 he would have to work 40 hrs. To make the same 1000 in plan 1 however he would have to work 80 hrs. to make more that plan 1. 3) So for the company plan 2 would be the better deal, because you would be getting 80 hrs of work instead of 40. but i dont understand how to do the graph on the padowan system 2764b08d-6503-3844-8b9f-5556f607c568 Sun, 12 Feb 2012 11:29:53 -0006 http://www.algebra.com/tutors/faq.mpl?key=571600&action=answer_question Click on the link to solve this problem: How long will it take to travel 23 miles at 760 miles per hour? e65b9397-ead0-338f-8994-4c1d898214d7 Sun, 12 Feb 2012 11:28:52 -0006 http://www.algebra.com/tutors/faq.mpl?key=571599&action=answer_question Click on the link to solve this problem: these are the directions define a variable and write an inequality for each statement. the question: The games duration is at most 3 hours 8f854dc3-0219-30ec-8af1-9cc618ff76c4 Sun, 12 Feb 2012 11:18:49 -0006 http://www.algebra.com/tutors/faq.mpl?key=571598&action=answer_question Click on the link to solve this problem: In February, the price charged by Friendly Flowers for roses was inversely proportional to the number of days before Valentines Day the order is placed. A dozen roses ordered 10 days before February 14 cost $12.00 while the same order placed five days before cost $24.00. What is the cost of a dozen roses ordered one day before Valentines Day? 9856028d-4f2c-328f-a2f6-791101534207 Sun, 12 Feb 2012 11:18:47 -0006 http://www.algebra.com/tutors/faq.mpl?key=571597&action=answer_question Click on the link to solve this problem: these are the directions define a variable and write an inequality for each statement. the question: The games duration is at most 3 hours 13c53847-fdaf-32ba-b053-399ac581c311 Sun, 12 Feb 2012 11:18:17 -0006 http://www.algebra.com/tutors/faq.mpl?key=571596&action=answer_question Click on the link to solve this problem: P v Q, P -> R ├ (Q -> R) -> R 75021bba-d06a-366a-9d2c-12075c213ef4 Sun, 12 Feb 2012 11:17:08 -0006 http://www.algebra.com/tutors/faq.mpl?key=571595&action=answer_question Click on the link to solve this problem: The number of pennies Alex has is twice the amount of dimes and one more than the amount of quarters he has. If Alex has a total of $2.23 in his pocket, how many of each type of coin does he have? cb0652a0-6dd0-3cef-9f1f-f544ffc6f215 Sun, 12 Feb 2012 11:15:35 -0006 http://www.algebra.com/tutors/faq.mpl?key=571594&action=answer_question Click on the link to solve this problem: Find the average rate of change for the function between the given values? f(x) =√2x ; from 2 to 8 397bf5fd-a526-3517-9996-7e2d9735a4fc Sun, 12 Feb 2012 11:14:12 -0006 http://www.algebra.com/tutors/faq.mpl?key=571593&action=answer_question Click on the link to solve this problem: What is Sean's age now, if in twenty-six years he will be three times his present age? b0c7b335-4f03-3d81-bbc5-9dfc75be9c81 Sun, 12 Feb 2012 11:09:36 -0006 http://www.algebra.com/tutors/faq.mpl?key=571592&action=answer_question Click on the link to solve this problem: Please I cannot figure this out solve using the substitution method 4x-5y=-41 2x+25=y 72ce03f3-fa32-3e4e-be9c-b6b066b81790 Sun, 12 Feb 2012 11:08:42 -0006 http://www.algebra.com/tutors/faq.mpl?key=571591&action=answer_question Click on the link to solve this problem: A pack of playing cards was found to contin only 51 cards . If the first 13 cards which were examined are all red , what is the probability that the missing card is black? 39d4357b-c32b-3f2b-aed8-8ea0318580a7 Sun, 12 Feb 2012 11:07:03 -0006 http://www.algebra.com/tutors/faq.mpl?key=571590&action=answer_question Click on the link to solve this problem: The perimeter of the rectangle is 22 feet. The perimeter of the triangle is 12 feet. What are the demensions of the rectangle? a321e0c4-1f44-369d-a953-45d593406163 Sun, 12 Feb 2012 11:06:31 -0006 http://www.algebra.com/tutors/faq.mpl?key=571589&action=answer_question Click on the link to solve this problem: A red blood cell is 7 x 10^6 meters in diameter. There are about 2 x 10^13 red blood cells in a 125-lb person. If all of the red blood cells were lined up end to end, how long would the line be? Write your answer in scientific notation. ea4a0791-6d50-34fe-bbc1-6fa78a664b82 Sun, 12 Feb 2012 11:06:03 -0006 http://www.algebra.com/tutors/faq.mpl?key=571588&action=answer_question Click on the link to solve this problem: If it takes twice as long for a passenger train to pass a freight train after it first overtakes it as it takes for the two trains to pass when going in opposite directions, determine how many times faster the passenger train is than the freight train. This problem was assigned to me, and I don't even know where to start! Please answer and explain how to get the answer :) 1cd21719-be48-3102-9a29-1e5c0104b4fb Sun, 12 Feb 2012 11:03:45 -0006 http://www.algebra.com/tutors/faq.mpl?key=571587&action=answer_question Click on the link to solve this problem: add. simplify is possible 5/sw^2 + 2/s^2w 601118e6-a939-373f-b1ad-c442d14cb4ad Sun, 12 Feb 2012 10:58:00 -0006 http://www.algebra.com/tutors/faq.mpl?key=571586&action=answer_question Click on the link to solve this problem: Given: Rectangle ABCD with diagonals AC and BD intersecting at E. Prove: Triangle DEC is isosceles. [DE = EC] Can I please have a two step proof. I think that Diagonals bisecting is something that may be used 266e3d3c-b515-30a7-a27f-4933c92d96a1 Sun, 12 Feb 2012 10:57:34 -0006 http://www.algebra.com/tutors/faq.mpl?key=571585&action=answer_question Click on the link to solve this problem: add. simplify, if possible. 8/77y + 5/49y 17926888-2380-349d-a186-a0d2677f8648 Sun, 12 Feb 2012 10:56:20 -0006 http://www.algebra.com/tutors/faq.mpl?key=571584&action=answer_question Click on the link to solve this problem: Given: Rectangle ABCD with diagonals AC and BD intersecting at E. Prove: Triangle DEC is isosceles. [DE= EC] 25546562-2bf8-33b4-8eb5-75d69ef60079 Sun, 12 Feb 2012 10:54:14 -0006 http://www.algebra.com/tutors/faq.mpl?key=571583&action=answer_question Click on the link to solve this problem: a square and rectangle have the same area if the regtangle has a length of 36 ft. and a perimiter of 80 ft. what I's the length of each side of the square 4fb8bccc-d0e4-3eeb-8a38-98a46ff6482d Sun, 12 Feb 2012 10:52:12 -0006 http://www.algebra.com/tutors/faq.mpl?key=571582&action=answer_question Click on the link to solve this problem: is (1,-2) is solution of 2x-y=3 0835ce8b-97ae-34b8-bca6-1337cd14d46c Sun, 12 Feb 2012 10:44:42 -0006 http://www.algebra.com/tutors/faq.mpl?key=571581&action=answer_question Click on the link to solve this problem: A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. How many are not using any of the three? 30 said they drove alone. 31 rode in a carpool. 28 rode public transportation. 6 used both carpools and public transportation. 8 used both a carpool and sometimes their own cars. 6 used buses as well as their own cars. 4 used all three methods. 8d6b6aeb-54bb-3beb-aebf-dd8e3a0e44c3 Sun, 12 Feb 2012 10:41:25 -0006 http://www.algebra.com/tutors/faq.mpl?key=571580&action=answer_question Click on the link to solve this problem: The Fahrenheit temperature, "F," and Celsius temperature, "C" of an object are related by a linear function. Water boils at 100 degrees C, or 212 degrees F, and freezes at 0 degrees C, or 32 degrees F. a.) Let the Celsius temperature, C, be the independent variable and the Fahrenheit temperature, F, be the dependent variable. Determine the slope and interpret its meaning in context of the problem. b.) Determine the linear function that gives F as a function of C. c.) Lead boils at a temperature of 1620 degrees C. What is Fahrenheit temperature is this? d.) Determine the Fahrenheit intercept and interpret the meaning in context of the problem? e.) If you had a fever thermometer calibrated in Celsius degrees, what would "normal"(98.6 degrees F) be on it? f.) If the weather forecaster says it will be 40 degrees C today, is this hot, cold, or medium? g.) Determine the Celsius intercept and interpret its meaning in context of the problem? h.) Sketch a graph using a reasonable domain and range? Thank you for your time. I really appreciate it! 3edb5981-2185-3ab3-9410-4bf863301d7e Sun, 12 Feb 2012 10:38:57 -0006 http://www.algebra.com/tutors/faq.mpl?key=571579&action=answer_question Click on the link to solve this problem: Rectangle ABCD is similar to rectangle HIJK. What is the length of IK if BD = 9 centimeters, AB = 12 centimeters, and HI = 8 centimeters? 78ca9409-6cb4-3691-9166-56f99036e9f3 Sun, 12 Feb 2012 10:34:13 -0006