Explore BrainMass

Explore BrainMass

    Basic Algebra

    BrainMass Solutions Available for Instant Download

    A vendor sells hot dogs and bags of potato chips.

    Please see attached file for full problem description. A vendor sells hot dogs and bags of potato chips. A customer buys 3 hot dogs and 4 bags of potato chips for $10.25. Another customer buys 5 hot dogs and 3 bags of potato chips for $12.50. Find the cost of each item. $ 1.25 for a hot dog; $ 1.75 for a bag of potato ch

    Solving Equations and Word Problems

    Please see attached file for full problem description. Please show me how to get solution for problems. 1. 2. Winston can mow his dad's lawn in 1 hour less than it takes his brother Willie. If they take 2 hours to mow it when working together, then how long would it take Winston working alone? 3. Solve equation f

    Areas and Dimensions of Rectangles

    Peter and Ray built a bike ramp from 20 sheets of 4ft. X 8ft. plywood and propped it up on one end with some bricks. The finished ramp is rectangular. Show 3 ways they might have arranged the wood and give the measurment for each side. Assuming that they used every sheet of plywood, what is the total area of the ramp regardless

    Principle of Mathematical Induction

    Theory of Numbers (XVI) Principle of Mathematical Induction Prove that if n is an odd positive integer, then x + y is a factor of x^n + y^n. (For example, if n = 3, then x^n + y^n = ( x + y )( x^2 - xy + y^2 ) ) See the attached file.

    Basic Algebra Problems - What is the place value of 5?

    I need help in completing the following exercises. I need to use the Equation Editor in Microsoft® Word to do these problems, then submit a Word document, showing the work and answers. (problems will be used as guide for problems I must complete on asignment) Please see attached file for full problem description. For the de

    Solving Polynomials

    Please see the attached file for the fully formatted problems. Because 7 = -12 is not a true equation, the equation has no solution. If this is correct, state that there is no solution. If not, explain in detail why it is not correct, and supply the correct answer. Finally, create an equation that includes at least one set

    Step by Step Algebra Solutions

    Solve 2(x-4)=2[x-3(x-1)+2] Solve x-2 - x+5 =5x-2 3 6 9 The cell phone service for the CEO of a small company is $39.99 a month plus $0.10 per minute for long distance. In a month when the company's phone bill was $75.19, how many minutes of long distance did the CEO use? Set up an equation a

    Equations

    Determine whether the following equations have a solution or not? Justify your answer. a) 5x2 + 8x + 7 = 0 b) (7)1/2y2 - 6y - 13(7)1/2 = 0 c) 2x2 + x - 1 = 0 d) 4/3x2 - 2x + 3/4 = 0 e) 2x2 + 5x + 5 = 0 f) p2 - 4p + 4 = 0 g) m2 + m + 1 = 0 h) 3z2 + z - 1 = 0 If x = 3 and x = -5, then form a quadr

    Completing the Square to Show Factoring

    Please see attached file for full problem description. In week 3 we said x2 + x + 1 = 0 is a prime polynomial because we cannot find two factors of the product as such that their sum is equal to b. Well, this week we are learning about Completing the Square. Use the Completing the Square and show that x2 + x + 1 = 0 can be

    Basic Algebra Simplest Form

    Please see the attached file for the fully formatted problems. Name: __________________________ Date: _____________ 1. Write in simplest form. 2. Simplify. 3. Multiply. 4. Solve. 5. Add. Express your answer in simplest form. 6. What values for x must be

    Algebra

    Please see the attached file for the fully formatted problems. Problem #6 Write the following geometric expression using the given symbol. times pi times the cube of the radius (r) Problem #7 Do you think multiplication is distributive over subtraction? ½ (16 - 10) and ½ x 16 - ½ x 1

    Algebra Compound Fractions in Lowest Terms

    2. Write in lowest terms 3. Express compound fraction in lowest terms 4. Write as a single rational expression 5. Add and simplify 6. Reduce to lowest terms 7. Reduce rational expression to lowest terms 8. Solve for z 9. Solve all values of w 10.

    Solving Equations and Inequalities

    1. Solve for X: 12 - 3(x+1) = x+17 The value of x is a. A number less than -2 b. At least -2 but less than 0 c. At least 0 but less than 2 d. At least 2 but less than 4 e. At least 4 2. Solve for P: 7(3P+4) = 8(2P+5) + 13 The value of P is a. a number less than 0 b. at least 0 but less than 3 c. at least 3 bu

    Abstract Algebra : Mathematical Induction

    Prove the following statement Given the recursively defined sequence a_1= 0, a_2= -30, and a_n=8a_n-1 -15a_n-2, use complete induction to prove that a_n=5*3^n - 3*5^n for all positive integers n.

    Lowest Terms

    Reduce answer to lowest terms 3 3 ________ - _____ 2y 2y+4

    Real Solutions for Quadratic Equations

    Please give all values of b in the following equations that will give one or more real number solutions? a) 3x^2 + bx - 3 = 0 b) 5x^2 + bx + 1 = 0 c) -3x^2 + bx - 3 = 0 d) Write a rule for judging if an equation has solutions by looking at it in standard form.

    Algebra Word Problems and Questions

    Please see attached file for full problem description. Please show all work when solving the two problems. 1. Why bother factoring a quadratic equation before you solve it? 2. Why are there usually two solutions in a quadratic equation? 3. Under what conditions would one or more solutions of a rational equation be un

    Word Problems with formulations and calculations

    I need the following word problems answered and explained with formulations and calculations. Solve each inequality. State the solution set in interval notation and sketch its graph. -3/5<1/5-2/15w<-1/3 -3<or equal x <or equal -1= Solve by using an inequality. 1. Car Selling. Ronald wants to sell his car through