Explore BrainMass
Share

# Basic Algebra

### Determine the Integrating Factor

View attachment for the problem.

### Understanding Alegbra.

I am having diffilculties understanding the whole concept of Real Numbers and Their Properties, Real Numbers, Fractions, Addition and Subtraction of Real Numbers, Exponential Expressions and the Order of Operations, Properties of the Real Numbers and Using the Properties to Simplify Expressions. What I need is a break-down of th

### Simplify the Expressions

6/ (x^2 +6x) -8/(x^2 +4x -12) + 3/(x^2 -2x) and 3/(m-2) + 1/(m-1)= 7/(m^2 - 3m+2)

### There is a law stating that the ratio of the width to length for the American flag should be 10 to 19

There is a law stating that the ratio of the width to length for the American flag should be 10 to 19. Is a flag measuring 30 feet by 57 feet the correct ratio? why or why not

2x+8<= -16+8x

[4-2(7-5)-8}]

### Quantitative Methods, Statistics, and Regression Interpretation

Case study concerning interpretation of: - Logit regression - Explanatory variables - Dummy variables - Statistical tests Additional information can be found in the attachment.

### Spherically Symmetric Solution to the Helmholtz Equation

Please see the attached file for the fully formatted problems. Consider the inhomogeneous Helmholz equation in spherical coordinates.... ... FIND that solution to this equation which (i) is spherically symmetric, i.e. independent of theta and phi. (ii) is finite at ... (iii) expresses an outgoing wave i.e. ... at large (

### Graph each inequality, use test point method, write solution

3y-5x>or equal to 15

### How to graph the system of inequalities Y < x and y < 1.

Graph the two inequalities and solve the system. Y < x y < 1

### Graph the system of inequalities.

Graph the system of inequalities. x+y<5 x-y>-1

### Solving an inequality relations

Graph each inequality, use test point method, write solution: -x>70-y

### Graph the Inequality and use the Test Point Method

Graph each inequality, use test point method and write the solution. 3y-5x>or equal to 15

### Solving a system of inequalities

Solving a system of inequalities Please show each step of solving problem: y>2x-1 y<-x-4

X-3y>3 x+2y<4

### Solve for a System of Inequalities

Consider the following expressions: Y>3x+2 y<3x+3 Graph these expressions using either Excel or Word.

### Graph Each System of Inequalities

Consider the following: y>x and x>3. Now, knowing this, graph y>x and x>3.

### Graph each system of inequalities

Graph each system of inequalities: y>2x-1 y<-x-4

-3x+[5-2(x+1)]

2(-x+5) x=3

### Perform Indicated Operations

(-2-3)+ (-4 -(-2))

### Difference in Elevation : Mountain Climber and Scuba Diver

What is the difference in elevation of mountain climber 5,287 feet above sea level and a scuba diver 35 feet below sea level?

### Create a relational algebra expression for each of the seven queries

The following tables form part of a database held in a relational DBMS: Hotel (hotelNo, hotelName, city) Room (roomNo, hotelNo, type, price) Booking (hotelNo, guestNo, dateFrom, dateTo, roomNo) Guest (guestNo, guestName, guestAddress) where Hotel contains hotel details and hotelNo is the primary key; Room contains room d

### What was the total training cost?

Nine salespersons attended an 8-hour products conference. The average hourly rate of pay for the 9 employees is \$9.86. The sales manager, at an annual salary of \$44,800,conducted the 1-day session after a 1-day prep session. Lunch was provided at a cost of \$11.80 per person. What was the total training cost? a.\$709.92 b.\$117

### Rectangular equations

Let x= 2+3sinT and y = -1 + 4cosT Find the rectangular equation for this relation?

### 7 Assorted Logarithm Problems

Please see the attached file for the fully formatted problems. A. i) Find the natural logarithms of the values given as Items 8 and 9 on the worksheet. (Give your answer to 3d.p. where appropriate). ii) Refer to Item 10 on your worksheet. Using common logarithms find the value of 'x' and check your answer by numerical subst

Expand (x-y)^6.

### Cutoff Frequency for a Wave Propagating in a Cylinder

Please see the attached file for the fully formatted problems. I need some assistance understanding how to solve both parts a) and b). Any help would be appreciated.

### Solve a Quadratic equation with complex numbers

PLEASE SEE ATTACHED (Four possible answers are shown in the attachment) Solve the equation Z2 +Z+1=0 using Z=(X,Y)