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Subject | Date Asked | Expert |

Maths | 3/8/2017 | Socrates |

Q: How far would the cyclist travel if the tyre made 250 revolution? (diameter is 66cm) A: Pi times the diameter is the circumference. The circumference is thus 3.14259 x 66 = 207.345 cm ... | ||

Algebra | 11/18/2016 | Frederick Koh |

Q: Intuitively, I know that the answer to the following is: x = 3. However, I cannot prove it ... A: The problem you suggested is rather interesting. Trying to crack things apart by brute force ... | ||

Algebra-Compound Inequalities | 10/22/2016 | Scott A Wilson |

Q: I have to write a compound inequality for this problem and I'm not the best with Algebra, so I need ... A: An inequality is written if one side is known to be less than the other. For example, 1<3, which is ... | ||

Finding y-intercept of quadratic without knowing equation | 9/18/2016 | Scott A Wilson |

Q: My trig teacher was talking about finding the y-intercept of a quadratic equation from a table, ... A: Once we know the parabola in the form of y = ax˛ + bx + c, it can be done. The y intercept is found ... | ||

A question about proofs in college algebra | 8/9/2016 | Socrates |

Q: The following is a proof of a false theorem, the required from me is to determine the flaw in the ... A: The flaw is in the hidden assumption that the least such n is 3 or greater. In fact , the least such ... | ||

Two candidates having same number of votes. | 7/25/2016 | Scott A Wilson |

Q: Is the following question valid? In a election out of n number of candidates standing, find out the ... A: Yes, it is possible. However, it is not very likely. I'll assume that the election has a 50-50 ... | ||

Finding n | 7/10/2016 | Abe Mantell |

Q: I need help with a math problem. The problem is 6/(n-4)=10/n and I'm not sure how to solve for n. ... A: Whenever two fractions are equal to each other, we can always "cross multiply" and get an equivalent ... | ||

Problem of advance functional analysis | 5/19/2016 | Scott A Wilson |

Q: Helo, sir I try to prove it through some ways but I can't do I feel your help if you can sort out ... A: Any number in the complex number system can be expressed as a+bi. If we take the inverse of a+bi we ... | ||

Rearrange equation | 4/28/2016 | Scott A Wilson |

Q: But I am just seeking clarification on this type of equation. I have not done this since school and ... A: If the current close is close to the lowest low when compared to how close the highest high is to ... | ||

albebra | 3/17/2016 | Abe Mantell |

Q: three months ago the tennis pro shop ordered 150 tennis racquets and 50 pairs of tennis shoes for ... A: Let x=the cost per tennis racquet, and y=the cost per pair of tennis shoes. Thus, we get: 1. 150x + ... | ||

Overload protection for Cable Car - Aerial Lift Tramway. | 3/9/2016 | Scott A Wilson |

Q: Is it possible to design Audible Alarm system for Cable Car which will trigger alarm bells on ... A: Yes, and all they would need to do is wire it in to prevent movement if he load is exceeded. Of ... | ||

Overload protection for Elevators. | 3/8/2016 | Scott A Wilson |

Q: Is it possible to design audible alarm system for Elevators which will trigger alarm bells on ... A: Yes, and perhaps it would be good to give it an obnoxious noise, so people would be urged to get ... | ||

Binary... Operation | 3/4/2016 | Scott A Wilson |

Q: Mathematics is my favorite subject, but the following question makes me feel that mathematics is ... A: Since a * b = a + b + ab, this says we only take two numbers at once. Since the 1st two numbers are ... | ||

HELP | 2/23/2016 | Scott A Wilson |

Q: sIR I WANT TO KNOW WHAT IS AN ALGEBRIC EXPRESSION. PLEASE ANSWER. A: An algebraic expression is one involving some unknown quantity. Once this quantity is known, a ... | ||

Table gives vague values for estimating space vessel tonnage. Unable to determine number relationship and find governing equation. | 2/14/2016 | Scott A Wilson |

Q: and thank you for offering to answer questions. Though I am pretty sure the answer will be obvious ... A: I took the table and given the length, computed a value that is a rough approximation of the volume ... | ||

Maths | 2/6/2016 | Scott A Wilson |

Q: Trying to work out: 8.75squared - 1.25 squared I can do it by just multiplying out each side but ... A: The problem is 8.75˛-1.25˛. There are three ways to do it without a calculator. 1) As can be ... | ||

help | 2/5/2016 | Richard J. Raridon |

Q: Sir in algabric expressions i have 2 0r 3 a doubt regarding types of expressions My first doubt ... A: An algebraic expression is called a monomial if it has only one term, such as -3x or 7xy/9. Two ... | ||

what is a counterexample | 2/2/2016 | Scott A Wilson |

Q: Scott! Can you clear up this one that confuses me? "Give a counterexample to show that the ... A: Upon getting this question, I too am confused. Send this question to the publisher of the book, for ... | ||

Finding a graphic solution to an equation | 1/28/2016 | Scott A Wilson |

Q: I've come across a problem whose on-site solution does not appear to be correct. The topic is ... A: I'm not sure what the correct answer is by looking at the problem. We need to multiply it out, put ... | ||

Find the vertex (Algebra II) | 1/6/2016 | Scott A Wilson |

Q: Find the Vertex of (x-3)2+5? Solve by completing the square: x2+2x-15 = 0? and Write the ... A: I take it the 2 at the end is really for a square, as in (x-3)2 is (x-3)˛. If y = (x-3)˛ + 5, the ... | ||

equations | 12/6/2015 | Richard J. Raridon |

Q: How to solve this -95A+20B=40 -20A-95B=100? A: First, divide each equation by 5 to get -19A+4B= 8 and -4A-19B =20. Multiply the first equation by ... | ||

logarithm base 2 | 11/27/2015 | Socrates |

Q: How to get exact value of log2(1000000) ,i.e log base 2. By simple scientific calculator or by ... A: You can't give an exact value for log2 (1,000,000) using decimals or fractions because it's an ... | ||

maths - exponential equation | 11/25/2015 | Scott A Wilson |

Q: 2^(x+4) - x^(x+2)=3? m^n=121 ,m and n whole nos then (m-1)^n+1=? 2^x=3^y=6^-z then 1/x+1/y+1/z=? ... A: ------------------------------------------------------------------------------------ 2^(x+4) - ... | ||

Algebra | 11/22/2015 | Frederick Koh |

Q: yeah sorry that was my bad. The index is x^(5/4). (Simplify equation) A: [(y^ 1/2)/(x^ 3/4) - (x^ 5/4)/(y^ 3/2)]^4 = {(y-x^2)/ [(x^ 3/4)(y^ 3/2)] }^4 (Combine both ... | ||

Metallic Business Card. | 10/16/2015 | Scott A Wilson |

Q: Is it possible to design and Construct a Metallic Business card?. Examples - Aluminium, titanium ... A: I'm sure its possible, but is it cheap enough to do? Right now I believe that plastic ones are far ... | ||

college algebra | 10/14/2015 | Scott A Wilson |

Q: An airplane flew in a direct line from its base at the rate of 300miles an hour and returned over ... A: Sorry about the delay ... Since d = rt. We know that d = 300t and d = 250(t+15). Setting these ... | ||

Multiplying negative and positive variables... | 7/22/2015 | Richard J. Raridon |

Q: I'm having trouble with a question in my algebra self-study course. The question is written out as ... A: Your answer -k^2a makes it look like 2a is the exponent whereas a multiplies the quantity -k^2. ... | ||

"Magic Pentagon" | 6/11/2015 | Richard J. Raridon |

Q: a pentagon has 10 empty spaces around its perimeter; 1 on each corner and 1 in the middle between ... A: I'm also Ricardo - Richard I solved it for 14 in a few minutes. First, I recognized that the big ... | ||

Mathematics | 3/12/2015 | Socrates |

Q: Pls. help me solve this complex number question, sir. Find the square root of the complex number ... A: You need the square roots of 3-2i and -2+i. I will find the roots of 3-2i, then leave the roots of ... | ||

Algerbra 2: parabolas | 2/8/2015 | Scott A Wilson |

Q: Find a for the parabola: Y-5=a(x-4)^2 that passes through (5,3) A: All that needs to be done is to put (5,3) is for (x,y) and solve for a. That gives 3-5 = a(5-4)^2. ... | ||

need help solving a problem | 2/3/2015 | Scott A Wilson |

Q: X-3.75=1/18 A: Convert 3.75 to a fraction. Note that 0.25 is 1/4, so 0.75 is 3/4. The integer 3 is 12/4, so 12/4 + ... | ||

fractions | 1/28/2015 | Abe Mantell |

Q: I'm struggling so bad with fractions. I'm in math 098 in college and we are doing simple algebraic ... A: Have you searched the Internet for help sites? Here are some links for you: ... | ||

algebra 2 | 1/27/2015 | Abe Mantell |

Q: Emilee and Charles shoot a rocket into the air during Mr. Jones' physics class at an initial ... A: Assuming the 128 ft/sec is vertical (i.e. straight up), then... h(t)=128t-16t^2 gives the equation ... | ||

A factoring question | 1/23/2015 | Abe Mantell |

Q: There is a tiny part of my math lesson that I am not quite getting. Here is the example problem: ... A: Consider this problem: 2x+6y-2=2(x+3y-1), yes? Now look at: ... | ||

Simultaneous linear equation with three unknowns | 1/21/2015 | Scott A Wilson |

Q: Solving simultaneous linear equation with three unknows is a damn knotty problem to me. Though, with ... A: To solve each of them, I write down the problem in matrix format. Once this has been done, I get a 1 ... | ||

Electricity Bill | 11/17/2014 | Scott A Wilson |

Q: Indian electricity prices have risen from Rs.6.4 to Rs.6.5 per unit. Arvi's factory expected to use ... A: Arvi expects to use 600 units in the next billing period. His bill will be reduced by multiplying ... | ||

How do I subtract this equation with variables? | 11/9/2014 | Scott A Wilson |

Q: I am currently reviewing for my upcoming math class placement test. I got to this one algebra ... A: To do this, first the bases need to factored. It's just like math where prime factors are found. ... | ||

square root | 11/2/2014 | Scott A Wilson |

Q: If x^4 + lx^3+ mx^2+12x+9 is a perfect square then find value of l and m? Here ^ denotes exponent.? ... A: Yes, the ^ symbol denotes an exponent. To be a perfect square, we need (ax^2 + bx + c)^2 to be ... | ||

Algebra | 10/30/2014 | Scott A Wilson |

Q: Having a hard time solving cubed root of 54-cubed root 16. A: I'm not sure I understand this question. I can tell you the cube root means what is multiplied ... | ||

Algebra/ Matrix | 10/27/2014 | Scott A Wilson |

Q: How do I solve this? Please explain. 3[2 0] [-10 5] [-1 5]-2x =[0 17] A: It would appear that x was a 2x2 matrix as well. It can be solved by solving each equation in each ... |

Algebra

Answers by Expert:

Top Expert on this page

Any algebraic question you've got. That includes question that are linear, quadratic, exponential, etc.

I have solved story problems, linear equations, parabolic equations.
I have also solved some 3rd order equations and equations with multiple variables.
**Publications**

Documents at Boeing in assistance on the manufacturiing floor.**Education/Credentials**

MS at math OSU in mathematics at OSU, 1986.
BS at OSU in mathematical sciences (math, statistics, computer science), 1984.
**Awards and Honors**

Both my BS and MS degrees were given with honors.
**Past/Present Clients**

Students in a wide variety of areas since the 80's; over 1,000 of them have been in algebra.