Explore BrainMass

Explore BrainMass

    Basic Algebra

    BrainMass Solutions Available for Instant Download

    Algebra

    What does an equation have that an expression does not?

    Algebra problems

    Please see attachment for complete description 94. Area of a painting. A rectangular painting with a width of....... 96. Amount of an investment. The amount of an investmentof P dollars for ...... a) Rewrite this formula by factoring..... b) Find A if $8300 is invested for 3 years..... 5.2 100. Demand for pool

    One type of common factor is Least Common Denominator

    One type of common factor is the LCD or Least Common Denominator. How could you use the LCD to simplify say this problem: (1/12)x^2 + (1/6)x - 2 = 0 First of all, what is the LCD of the three terms in the polynomial? [See attachment)

    Matrx theory and analysis homework problem

    Please see the word document I have included, Thank-you for your help. Let B = . Find each of the following. You may use a calculator to replace hand calculation for row reduction and finding the characteristic polynomial. Show your work; don't just write down the answers. (a) Find the characteristic polynomial of "A

    Characteristic polynomial and eigenvalues

    Please see the attached document regarding homework specifics. Thank-you for your help. Let A = (a) Find the characteristic polynomial of "A", by hand, showing your work. (b) Find the eigenvalues of "A"; for each, find the algebraic multiplicity.

    Mathematics - Algebra - Compounding interest

    Initial deposit was 2,000 for 5 years at a rate of 8 percent. If a bank compounds continuously, then the formula used is A= Pe rt where e is a constant and equals approximately 2.7183. Calculate A with continuous compounding. Round the answer to the hundredths place.

    Factoring polynomials, difference of two fourth powers

    Factor each trinomial using the AC method. Problem 1:2x^2+11x + 5 Problem 2:21x +2x-3 Factoring a difference of two fourth powers. Problem 3: m^4 - n^4 Problem 4:3x^3 -12x Problem 5:8b^2 +24b +18 Problem 6:3x^2 -18x -48 factoring two squares: Problem 7: x^3+ax+3a+3x^2

    Polynomials and monomials

    Greatest Common Factor for Monomials. Find the greatest common factor for each group of monomials. Problem 1: 16x z, 40xz , 72z Problem 2: 15x y - 9xy +6x y Problem 3: a(a+1) - 3(a+1) Factoring a Difference of Two squares. Factor each polynomial. Problem 4: 9a -64b Problem 5: x y + 2x y +xy

    Word problems on quadratic equations

    Problem 1: One side of a rectangle is 2 meters longer than the other. If the diagonal is 10 meters, what are the lengths of the sides? Problem 2:you throw down an object from a height of 128 feet with an initial velocity of 32 feet per second. The height of the object above the ground after 't' seconds is given by s(t)= -16t

    Word problems (see attachment)

    See attachment Section 6,1: 120. Toxic pollutants. The annual cost in dollars for removing p% of the toxic chemicals from a town's water supply is given by the formula c(p) = b) Use the formula to find C(99.5) and C(99.9). c) What happens to the cost as the percentage of pollutants removed approaches 100%? Se

    Inequality - Find all such numbers

    When 2 is added to the difference between ten times a number and 5, the results is greater than 13 added to 9 times the number. Find all such numbers The solutions are all numbers greater than ( )?

    Solve the Problem Using the 6 Step Method

    Solve the problem using the 6 step method A pharmacist found at the end of the day she had 3/2 as many prescriptions for antibiotics as tranquilizers. She had 40 prescriptions altogether. How many did she have for tranquilizers? She had ( ) tranquilizers prescriptions?

    A simple algebra word problem

    The US Senate has 100 members. After a certain election, there were 10 more Democrats than Republicans, with no other parties represented. How many members of each party were there in the Senate? ( ) Democrats ( ) Republicans

    Number logic algebra

    Please see attached file The following three by three grid contains the number 3/8 in the upper left-hand corner and the number 1/4 in the last column of the second row as shown. 3/8 a b c d 1/4 e f g Find the other seven numbers in the grid such that the sum of all the rows, columns and diagonals is 1.

    Simplify the expression

    See attachment for equation Question #21 / 25 Simplify the following: .(-2u^2 - 5u+2)+(3u^2-7 - (u^2+3u-7)