Simplify. Assume that variables can represent any real number. (a) (- 21)2 (b) (-7)2 (c)

Question:

Simplify. Assume that variables can represent any real number.
(a) √ (- 21)2
(b) √ (-7)2
(c) √(9y2)

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

College Algebra Graphs and Models

ISBN: 978-0321845405

5th edition

Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna

See More Books

Question Posted: Apr 12, 2016 10:16 AM

See More Questions

In Section 5.1, we studied linear combinations of independent random variables. What happens if the variables are not independent? A lot of mathematics can be used to prove the following: Let x and y...
Simplify the expression. Assume all variables represent nonzero real numbers. (-6x 2 ) 3
Simplify the expression. Assume all variables represent nonzero real numbers. (-2x 5 ) 5
In Problems 5994, solve each inequality. Express your answer using set notation or interval notation. Graph the solution set. 2x2 3 + x
Select the correct answer for each of the following questions. 1. Perez Inc. owns 80 percent of Senior Inc. During 20X2, Perez sold goods with a 40 percent gross profit to Senior. Senior sold all of...
A $550 \mathrm{~kg}$ elevator accelerates upward at $1.2 \mathrm{~m} / \mathrm{s}^{2}$ for the first $15 \mathrm{~m}$ of its motion. How much work is done during this part of its motion by the...
The useful life of a device is often published in what document?
Is there a significant difference in the level of community service participation between college and high school graduates? According to the 2010 GSS, 38% of 160 college graduates reported...
The table below shows the monthly sales for Sunny Beach Co . 4 0 % of sales are for cash and 6 0 % are on credit. The company collects on its credit sales as follows: 2 / 3 of credit sales are...
Bear Park Ltd., a camping ground in the Lake District, has compiled the following financial information as of December 31, 2017. Instructions (a) Determine Bear Park's net income for 2017. (b)...
Perform the indicated operations and, if possible, simplify. (a) n(n + 1) (n + 2) / 2 3 - (n + 1) (n + 2) / 2 (b) n(n + 1) (n + 2) (n + 3) / 2 3 4 (n + 1) (n + 2) (n + 3) / 2 3 (c) x2 - 9 / x3 +...
Simplify and then, if appropriate, write radical notation. (a) (2a3/2) (4a1/2) (b) (3a5/6) (8a2/3) (c) (x6/9b-4)1/2
Give two examples where observation is a useful technique to examine operational risks and related controls.
Create another method in the CleanCalculator class that computes linear functions, y = mx+b. The methods output should be the calculated y value based on the linear formula. The method should take in...
List seven services which the APBs Ethical Standard 5 prohibits auditors in the UK from providing to their audit clients.
How does postponement differ from assembletoorder?
Describe briefly what is meant by an audit plan and how and when it is prepared.
Briefly explain two factors which may motivate companies to have their corporate responsibility reports independently assured.
An AM radio signal propagating in free space has E = E o sin(1200t z)a x Determine and satisfies the wave equation in eq. (9.52). Find the corresponding V. Take c as the speed of light in free...
Use the following data to answer the next two (2) questions: Product 1 Product 2 Product 3 Direct Material Cost $25,000 $30,000 $35,000 Direct Labor Cost $30,000 $40,000 $50,000 Direct Labor Hours...
Tanking Matrices Apart Let A be an n ( n matrix whose jth column is the column vector (n ( 1 matrix) Ai: we can write this as [A1 | A2 | · · · | An) (an example of a partitioned...
Diagonal Matrices For Problems 1 and 2. suppose that A and B are n x n diagonal matrices. 1. Show that AB is diagonal? 2. Show that AB = BA?
Upper Triangular Matrices A square n ( n matrix A = [aij] is called upper triangular if aij = 0 for i > j. (All entries below the main diagonal are zero.) (a) Give three examples of upper triangular...
As of June 30, Year 1, the bank statement showed an ending balance of $16,878. The unadjusted Cash account balance was $15,239. The following information is available: 1. Deposit in transit, $2,190....
Superior Company provided the following data for the year ended December 31 (all raw materials are used in production as direct materials): Selling expenses Purchases of raw materials Direct labor...
Marin Company produces two software products (Cloud-X and Cloud-Y) in two separate departments (A and B). These products are highly regarded network maintenance programs. Cloud-X is used for small...

Simplify. Assume that variables can represent any real number. (a) (- 21)2 (b) (-7)2 (c)

Question:

Step by Step Answer:

a 21 2 21 21 ...View the full answer

College Algebra Graphs and Models

Students also viewed these Linear Algebra questions