| Subject | Date Asked |
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| beginning algebra | 9/30/2009 |
Q: It says evaluate each expression if x=-3, y=5and z= 2/3 my question is this: z - z+x divided by ...
A: Jennifer, Please find attached the answer. (Scan quality is not that good, sorry for that) I hope ...
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| math | 9/28/2009 |
Q: if a + 1/a=3 then the value of a3 + 1/a3(this is a's cube)=
A: Deepika, a+1/a = 3 ------------------ #1 Let us make cube on both sides (a+1/a)^3 = 3^3 ...
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| equation in standard form using only integers | 9/27/2009 |
Q: Is this correct for the following problem x/8 = -4y/5 multiply everything by 40 40x = 160y or x = ...
A: Brady, x/8 = -4y/5 Multiplying both sides by 40 will give, 40 * x/8 = 40 * (-4y/5) 5x = 8*(-4y) ...
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| Percentages | 9/26/2009 |
Q: What percentage is 5.000 of 283.000 and how did you arrive at the answer Thank you
A: Barry, Suppose 5 is 'x' percentage of 283. So write above statement in mathematical form as: 5 = ...
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| Algebra Equation | 9/24/2009 |
Q: How many lines does it take to connect 5 employees? Answer: (5-1)+(5-2)+(5-3)+(5-4)+(5-5)= 10 Find ...
A: Bryan, For 5 employees your equation is: (5-1)+(5-2)+(5-3)+(5-4)+(5-5)= 10 We will re-write this ...
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| reciprocal and inverse | 9/23/2009 |
Q: is it safe to say that reciprocal is for a single fraction and inverse is related to a function if ...
A: Theo, "inverse" can apply to a number of different situations. In ordinary arithmetic the additive ...
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| Geometry | 9/21/2009 |
Q: I'm in 10th grade I dont understand this queston it states: Write an equation of the line that ...
A: Chasya, Two points given are: (3,4) ---> (x1, y1) (0,3) ---> (x2, y2) First find slope (m) of ...
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| reciprocal of negative fraction | 9/21/2009 |
Q: What is the reciprocal of -5/8 is is -8/5.
A: Amir, The basic behind reciprocal is that the product of a number and its reciprocal should be ...
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| solving inequalities | 9/21/2009 |
Q: give answer in interval notation 12<-4x+4 less than or equal to 28
A: Given equation is: 12 < -4x+4 <= 28 This is double inequality and hence we will split it into two ...
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| Math | 9/15/2009 |
Q: Uncle Sam spent one-fourth of his life as a boy, one-eighth as a youth, and one-half as an active ...
A: David, Let us solve this. Say Sam lived total 'x' years. So his stages of life are: Boy - (1/4)x ...
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| to find the value of x | 9/14/2009 |
Q: xyz +xyz +xyz ----- zzz then what is x or ( xyz+xyz+xyz=zzz than what is X )
A: Sudhir, Let us solve this problem/puzzle. xyz + xyz + xyz ...
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| Sphere formula question | 9/14/2009 |
Q: I'm trying to understand how to solve this problem. Volume of sphere Volume=4/3 pie r^3 If given a ...
A: Volume (V) of sphere is given by formula, V = 4/3 pie r^3 which is V = (4/3) * pi * radius^3 ...
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| Ratio Strategies | 9/13/2009 |
Q: I have searched the internet and can not find a site that can help. I need to explain how to work ...
A: Rachel, Probably you had asked this question to some other expert and he/she had rejected it. Today ...
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| math | 9/9/2009 |
Q: how do you solve this problem lachanda counted 14 robins out of 175 birds.Express this as a ratio in ...
A: Lily, 14 robins out of 175 birds, means the ratio in this case is 14/175 which is 14:175 Now 7 is ...
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| Factorial and Proper fraction questions | 9/8/2009 |
Q: My daughter is in 7th grade and come home with this math problem that I cannot help to solve. 1. ...
A: Jasmine, This question was not asked to me, but still I will try to answer it. I need to think on ...
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| Overlapping lines | 9/8/2009 |
Q: Peace be upon the reader, i wanted to ask if there is any formula which can be use to know that two ...
A: Rabia, Consider first set of points: (2,2)and (2,7) Let us calculate slope (m) of the line passing ...
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| math | 9/7/2009 |
Q: identify each property shown (1) (8.7 + 6.3) = 3.7 = 8.7 + (6.3 + 3.7) (2) 9.06 + 0 = 9.06 (3) ...
A: Jason, Here are your answers: (1) The statement written by you is not correct. There seems to be ...
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| Consecutive odd integers | 9/7/2009 |
Q: Can You help me solve this equation... I really need you to show me the procedure rather than just ...
A: Martha, The question itself is wrong somewhere. The term '5 time more than' doesnot make any sense ...
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| arithmetic | 9/6/2009 |
Q: It has been so long since I have been out of school I forgot how to do this problem. If 48 apples ...
A: I will explain you how to solve such problem. Write the given information in following manner: ...
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| Ratio Strategies | 9/6/2009 |
Q: I have searched the internet and can not find a site that can help. I need to explain how to work ...
A: But may I know why Clarity is rated as 1 out of 10, Knowledge 6 out of 10 and Politeness 5 out of ...
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| alg 2 interest rate problem | 8/26/2009 |
Q: You invest $25,000. Part of it earns 14%and part of it earns 16% interest. What is the most you can ...
A: Karen, Total investment is 25,000. Consider that x amount is invested in 14% interest. So amount ...
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| maths | 8/18/2009 |
Q: a manufacturer makes 750 articles at a cost of Rs.0.60 per article.he fixes the selling price such ...
A: Shruti, Nice question. :) Let us solve this. Manufacturing cost of one article is 0.60. Total ...
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| Percent | 8/17/2009 |
Q: What is 40% of 240,000 how would you solve it?
A: Kelli, Here is how you solve this problem: 40% means 40 out of 100. So write this in the form ...
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| Please help me evaluate this expression. | 8/17/2009 |
Q: p/-3+(-8)=-8
A: Maribeth, Let us solve this: p/-3 + (-8) = -8 Since -8 is present on both sides of the equation, ...
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| wordproblem | 8/14/2009 |
Q: If Thumbelina's team can build a prefabricated home in 15 hours and Rumplestillskin's team takes 10 ...
A: Maria, This problem has sufficient information. We will solve this. Let us denote Thumbelina's ...
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| factorial | 8/14/2009 |
Q: What is -5!
A: Gene, n! is nothing but 'n factorial'. Factorial is the product of all positive integers less than ...
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| profit and loss | 5/29/2009 |
Q: Ken left a job paying $75,000 per year to accept a sales job paying $45,000 per year plus 15 percent ...
A: Shruti, First of I apologize for delayed response. My response is: Ken has a difference of $30,000 ...
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| Ratios | 4/12/2009 |
Q: could you help me write ratios in simplest form 5 3/5 to 2 1/10
A: Rita, While solving these problems, follow these steps in sequence: Example 1: 5 3/5 1. Multiply ...
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| simple harmonic motion | 4/9/2009 |
Q: i want to know what is the nature of the graph of kinetic energy along y axis and displacement along ...
A: Kunal, Well, I do not know this concept in detail. But if we consider the basics: When an object ...
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| Percent Distribution | 4/6/2009 |
Q: I am having trouble figuring out what exactly percent distribution is in math and why it's ...
A: David, What is percent distribution: Percent Distribution is used for interpreting statistical ...
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| real estate story problem | 4/2/2009 |
Q: Sam Seller told Betty Broker that he needed to net $120,000 on the sale of his home. If he pays her ...
A: This is pretty simple. Sam pays 5% commission to Betty. This means that he has to pay her $5 for ...
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| pre-calculus | 4/2/2009 |
Q: .im having trouble understanding my pre-calculus homework if f(x)= the square root of 4-x^3 state ...
A: Bela, Below are the four steps to be followed for finding inverse of a function: 1. Equate the ...
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| number and operations | 3/30/2009 |
Q: 9 plus 24 divided by 4 multiplied by 2
A: Your question is: 9 + 24 / 4 * 2 Always remember following rules which are called "Order of ...
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| Math help | 3/27/2009 |
Q: A rectangular lot is bounded on one side by a river and on the other three sides by a total of 80 m ...
A: Faisal, We have to find the maximum possible area of the lot. Now say that one side of the lot, ...
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| strategies for problem solving | 3/27/2009 |
Q: how do you convert 1100101110 a binary number into a decimal nmumber?
A: Melissa, While solving these types of problems, always mark POSITION for each digit. Position for ...
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| fractions | 3/26/2009 |
Q: write each set of fractions in order from smallest to largest 1/7, 1/2, 1/5, 1/10, 1/3 write two ...
A: Jey, Here are answers: Answer 1: Numerator for all fractions is 1. Always remember: Whenever you ...
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| maths | 3/19/2009 |
Q: there are 13 players in a team who can expect a bonus of £437 between them. Of those players 11 have ...
A: Paul, Multiply 'No of players' with 'No of Games' and let us call this multiplication as 'Total ...
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| Initial cost | 3/18/2009 |
Q: I’m sorry to email you but maybe you can help or know somebody who can for free. I’m creating a ...
A: Arturo, Simply write this equation: (319.5 * 100) / 106.5. This calculates back to 300. You have ...
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| circumfrence | 3/18/2009 |
Q: the problem is whats the diameter of 3 miles but it dont shows the radius please help
A: Josh, I assume that 3 miles is the circumference and you want to find out diameter for the same. ...
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