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Algebra/Questions
| Subject | Date Asked | Expert |
| Online exam, Help please! | 2/7/2012 | Scott A Wilson |
| Q: 1. Evaluate (3x + 6) ÷ [y3(x + 2)] if x = 2 and y = 1. A) 9/4 B) 3 C) 15/12 D) 26 2. Simplify the ... A: 1. Evaluate (3x + 6) ÷ [y3(x + 2)] if x = 2 and y = 1. Note the expression is 3(x+2)/(y³(x+2)); y is ... | ||
| Algebra | 2/7/2012 | Richard J. Raridon |
| Q: Solve: | 3 x + 2 | > 4 2. Solve: 8 = | 5 y + 2 | 3. Solve: | 1 - 0.5 p | ≤ 2 ... A: Here's some of them. I got tired of doing inequalities 1. x > 2/3 or x < -2 2. 6/5, -2 3. -2 <= p ... | ||
| Alebra 2 | 2/7/2012 | Scott A Wilson |
| Q: Scott, I'm doing this class online and I really just want to graduate so far I've been doing good ... A: To solve these, I will call the distances u and v. In the x direction, I will call the distance ux ... | ||
| Math Help! | 2/7/2012 | Richard J. Raridon |
| Q: Solving Systems 2 1.)Solve the system of equations: what is the y-value in the solution? 3x - 5y = ... A: Systems 2 1. A, 2. D, 3. A, 4. D, 5. B, 6. B, 7. D, 8. C, 9. B, 10. C Systems 3 1. A, 2. B, 3. B, ... | ||
| Math Questions | 2/6/2012 | Richard J. Raridon |
| Q: 1. Solve the system, using substitution. Write the solution as an ordered pair. x = 2y - 2 and 3x - ... A: 1. A, 2. B, 3. B, 4. B, 5. A, 6. A 7. 9x+12y=-6, 8x12y=40, add equations to get x=2, y=-2 8. C, 9. ... | ||
| Inverse Functions | 2/4/2012 | Scott A Wilson |
| Q: Given f:x = 2x+p and fˉ¹:x = m(4x=3), where p and m are constants. Find the value of p ... A: y=2x+p, x=m(4y-3) The slope times the slope of the inverse is equal to 1. This means that 2 * 4m = ... | ||
| precalculus | 2/3/2012 | Suresh Chandra Benjamin |
| Q: 1)For what value of k will the graph of 6x + ky = 6 be perpendiculuar to the graph of 2x – 6y = 12? ... A: The product of slopes of two lines must be - 1. 6x + ky = 6, ky = -6x + 6 y = - (6/k)x + (6/k) ... | ||
| simultaneous equation | 2/1/2012 | Scott A Wilson |
| Q: I have a pair of equations that I have to solve simultaneously by using the substitution method. The ... A: The equation 7(4b + 1) - 5b + 6 = 0 is correct. If we multiply the 7 by 4b we get 28b. If we ... | ||
| math | 1/29/2012 | Richard J. Raridon |
| Q: 30.List the possible rational roots of the following equation: 5x^4 + 9x^3 + 5x^2 + 2x + 4 = 0 ... A: One way to search for roots for these equations is to write it f(x) = 5x^4+9x^3+5x^2+2x+4 Put in a ... | ||
| Trigonometry | 1/25/2012 | Frederick Koh |
| Q: can you PLEASE show me the correct way to get the solutions for (using either e, ln, or logs): ... A: B) x^2.3=112 x = (112)^ (1/2.3)=7.7797 (shown) You don't need to use logarithms for this. ... | ||
| Trigonometry | 1/24/2012 | Frederick Koh |
| Q: can you please demonstrate the process in: Q) The function y=2^x is equivalent to: a) x=y log2 b) ... A: y=2^x Taking log base 2 on both sides, we have log 2 y =log 2 (2^x) = x log 2 2 ... | ||
| extra credit | 1/22/2012 | Scott A Wilson |
| Q: I need help with this extra credit problem below: A ball is dropped from a height of 10m. It ... A: It can be seen that the 1st fall is 10m, since that is the distance to the ground. It can be seen ... | ||
| solving equations using multiplication method | 1/21/2012 | Scott A Wilson |
| Q: Ok so I have tried this tons of way and I keep getting decimal answers or a too high of an answer. ... A: Looking at 7x + 2y = 6, we can subtract 2y from both sides and get 7x = 6 - 2y. We can then divide ... | ||
| Math | 1/20/2012 | Suresh Chandra Benjamin |
| Q: What is the equation of the line containing the point 3,7 and parallel to y =2/3-2 A: May I consider your question as this : what is the equation of a line containing (3,7) and parallel ... | ||
| College algebra | 1/19/2012 | Socrates |
| Q: 45-[4-2y-4(y+7)] = -4(1+3y)-[4-3(y+2)-2(2y-5)] having trouble getting the answer to this problem. A: Eliminate the innermost (round) brackets first 45-[4-2y-4(y+7)] = -4(1+3y)-[4-3(y+2)-2(2y-5)] = ... | ||
| word problems | 1/17/2012 | Abe Mantell |
| Q: if 17 girls can plant 51 trees in a day. how many trees could 26 girls plant in an hour? A: 17 girls planting 51 trees in one day ==> 1 girl can plant 51/17 = 3 trees per day. Now divide that ... | ||
| extra credit | 1/16/2012 | Scott A Wilson |
| Q: this is Megan, I need some help with this extra credit problem below: Fifty percent of what number ... A: Lets start with 10. It is known that 60% of 10 is 6, so 6 more than 10 is 16. Now 25% of 16 is 4, ... | ||
| rectangle | 1/16/2012 | Scott A Wilson |
| Q: Area of a rectangle is 50m2 Diagonal is 10m Perimeter? A: All measurements are in meters, so I'll just use numbers. The area is 50 and the diagonal is 10. If ... | ||
| Word Problem | 1/16/2012 | Frederick Koh |
| Q: can you please show the process for the following problem: A wrecking ball suspended from a chain ... A: log (base: x+3) [(x^3+x-2)/x]=2 log (base: x+3) [(x^3+x-2)/x ]=2 log (base: x+3) (x+3) [ ... | ||
| Can you please help me with this word problem | 1/15/2012 | Richard J. Raridon |
| Q: Given the length and width (in feet and inches) of a rectangular room and the price per square yard ... A: 1. length and width, cost per sq. yard, 6.5% tax 2. square yards, cost of carpet, amt. of sales tax, ... | ||
| Algebra I/Elimination using Multiplication | 1/10/2012 | Abe Mantell |
| Q: I'm stumped on a word problem with elimination using multiplication. It's adding in percents and ... A: This can be done with only one variable, but since you mentioned elmination, I gather you need to ... | ||
| Algebra | 1/10/2012 | Scott A Wilson |
| Q: I have the followingIs the following equation unique: A**n + B**m = C, where A, B,C, n and m are ... A: Perhaps if we take 36, which is 6^2. It is known that 3^3 + 3^2 = 27 + 9 = 36. It is also known that ... | ||
| Algebra/Trigonometry | 1/8/2012 | Frederick Koh |
| Q: Topic: Solving Exponential Equations and Inequalities Can you please show me the process to attain ... A: (A) (1/2)^(4x+1)=8^(2x+1) (2^-1)^(4x+1)= (2^3)^(2x+1) 2^(-4x-1)=2^(6x+3) [ ... | ||
| Algebra | 1/8/2012 | Scott A Wilson |
| Q: I have the followingIs the following equation unique: A**n + B**m = C, where A, B,C, n and m are ... A: I found some examples using Excel. Take 2^3 + 3^2 and that is 8+9=17. Take 1^4 + 4^2 and that is ... | ||
| Algebra | 1/6/2012 | Scott A Wilson |
| Q: I have the followingIs the following equation unique: A**n + B**m = C, where A, B,C, n and m are ... A: If we have A, B, n, and m as 1, 1, 1, 1, then 1^1 + 1^1 = 2, and that's C. In fact, if they are 1, ... | ||
| math | 1/6/2012 | Frederick Koh |
| Q: a man rowed 30 km downstream. it took him 2 hours more time in going back than in going downstream. ... A: Let his speed in still water be x kph Then his speed going downstream = x+2 (since he is going with ... | ||
| Quadratics | 1/6/2012 | Abe Mantell |
| Q: I've got a test for quadratics in a few days, and I don't understand the homework we are doing ... A: The equation governing the motion of an object subject to acceleration is: y(t)=(1/2)at^2+vot+yo, ... | ||
| Polynomial expressions | 1/6/2012 | Scott A Wilson |
| Q: I don't know how to solve these problems and my hw is due tomorrow - and it's 8 o'clock! The first ... A: Note that the (4m-9) is just 4m-9 and that -(6m+4) is -6m-4. This gives 4m - 9 - 6m - 4. Grouping ... | ||
| Algebra woes. | 1/5/2012 | Abe Mantell |
| Q: 1.) List the possible rational roots of the following equation: 5x4 + 9x3 + 5x2 + 2x + 4 = 0 ... A: The rational root theorem tells us that the possible rational roots of a polynomial with integer ... | ||
| 7th grade algebra | 1/5/2012 | Bobby Soltani |
| Q: If you have the area of a circle how would you find the diameter? A: The area of a circle is pi times its radius squared, or A = pi*(r)^2. The radius of a circle is one ... | ||
| algebra2 | 1/5/2012 | Richard J. Raridon |
| Q: 1. Simplify, arrange the terms in order of decreasing degree of x and find the degree of the ... A: 1. 5x^2+3x-7 2. 2x^2yz^2 3. 3n^2-n+5 4. 4a^2+5ab 5. -25 6. 24a^2-ab+30b^2 7. f(x)=x+5 8. y = (-2/3)x ... | ||
| algebra2 | 1/4/2012 | Richard J. Raridon |
| Q: 13. Determine the range for: g(x) = 1/2(6 + x)(4 + x) 14. Determine the range for: f(x) = 4(x - ... A: 13 & 14. i didn't learn about ranges when I took algebra 65 years ago 23. (x-1/2)^2 = (5/4)(y+5) 24. ... | ||
| algebra 2 | 1/3/2012 | Richard J. Raridon |
| Q: In triangle ABC, c = 10 and Ð A = Ð B = 40°. Find the length of the median to segment AC. 8.3909 ... A: Here's some of them that I had time for. 1. I get 7.42 2. 4.13 hours 3. 388 ft 4. 10.5 (not ... | ||
| algebra2 | 1/3/2012 | Richard J. Raridon |
| Q: 1. Solve: n4 - 2n2 - 8 = 0 n = ±4 n = ±2 n = ±4 or ±2 n = ±1.41i or ±2 2. Solve: c3 + c2 - 7c ... A: You could have saved me some time by labeling your answers a,b,c,d 1. n = +/-1.41i, +/-2 2. c = ... | ||
| Pi | 12/31/2011 | Abe Mantell |
| Q: I don't know if you're the right person to ask but please could you help with this or let me know ... A: I think you mean "is pi still irrational (not perfect) if expressed in another base"...yes? A ... | ||
| Algebra/Trigonometry | 12/27/2011 | Frederick Koh |
| Q: Topic : Rational Exponents I need to write each expression in radical form, or write each radical ... A: A) ³√6x^2/³√5y = [³√6x^2*(³√5y )^2]/ [(³√5y) *(³√5y )^2] ... | ||
| Algebra/Trigonometry | 12/27/2011 | Frederick Koh |
| Q: Topic : Rational Exponents I need to write each expression in radical form, or write each radical ... A: A) ³√5xy^2 = (5xy^2)^ (1/3) = 5^(1/3) x^(1/3) y ^[2*(1/3)] = 5^(1/3) ... | ||
| Algebra/Trigonometry | 12/26/2011 | Frederick Koh |
| Q: Topic: Using a conjugate to rationalize a denominator. Can you please show me the process to attain ... A: I will put this in greater detail for your understanding: (5√2 -15)/ (-7) = (+5√2 ... | ||
| Algebra/Trigonometry | 12/25/2011 | Frederick Koh |
| Q: Topic: Using a conjugate to rationalize a denominator. Can you please show me the process to attain ... A: 1) (4 + √2)/(√2 -3) = (4 + √2)*(√2 +3)/ (√2 -3)*(√2 +3) ... | ||
| converting a word problem to linear programming matrix | 12/23/2011 | Frederick Koh |
| Q: A glass manufacturing company uses two types of raw materials (type A sand and type B sand) to ... A: If you wish to employ the north west corner method, certain information is missing from your given ... | ||
Algebra
Answers by Expert:
Scott A Wilson
Top Expert on this page
Expertise
Any algebraic question you've got, like linear, quadratic, exponential, etc.
Experience
solving story problems
solving linear, parabolic, and 3rd order equations
solving equations with multiple variables
Publications
documents at Boeing
Education/Credentials
MS at math OSU in mathematics at OSU
BS at OSU in mathematical sciences (math, statistics, computer science)
Awards and Honors
both BS and MS degrees were given with honors
Past/Present Clients
students from all over since the 80's; over 1,000 in algebra
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