
Is it true that every matrix A A has a unique (i.e., one and only one) row echelon form?

HELP PLEASE Match the reasons with the statements in the proof to prove RNT = SMT, given RT = ST and MT = NT . Given: RT = ST MT = NT Prove: RNT = SMT 1. RT = ST MT = NT Reflexive Property 2. T = T
$10.00
Math
Waiting for answer

It is known that the coefficient matrix of a system of linear equations (=SLE) has 2018 pivot positions and that the SLE has no solution.

please help. confused with the negative exponents x 1/2 (x+9) 1/2 +x 1/2 (x+9) 1/2

confused with the negative exponents:

Please have explanations next to the steps. Thanks! As I worked on this, the answer is not 5.6 nor does 16 mph changes to 16 mph.

To enter a zoo, adult visitors must pay $5, whereas children and seniors pay only half price. On one day, the zoo collected a total of $765. If the zoo had 223 visitors that day, how many halfprice a
$35.00
Math
Waiting for answer

Decide which of the two given prices is the better deal and explain why. You can fill a 12 12 gallon tank of gas for $ 28.34 28.34 or buy gas for $...

The captain of a rafting boat takes his crew down river for 6 hours, covering a total of 56 miles. When he realizes he left one of his passengers behind, he is forced to paddle back upriver for 8 mile
$12.00
Math
Waiting for answer

Perform the indicated operations and write the answer using Euler's Formula . Round your solution to three decimal places . (( 2 + j )( 1  j )^ 3...

Three research departments have 10 and 9 members, respectively. Each department is to select a delegate and an alternate to represent the department at a conference. In how many ways can this be done?

A survey of magazine subscribers shows that 16% rented a car during the past twelve months for business reasons, 52% rented a car during the last twelve months personal reasons, and 5% rented a car du
$35.00
Math
Waiting for answer

A survey of magazine subscribers shows that 29% rented a car during the past twelve months for business reasons, 51% rented a car during the last twelve months for personal reasons, and 3% rented a ca

Sir, I have a browser problem that I can't reply to you or accept answers. I have to wait until I go to the library tomorrow.

Find a linear function f perpendicular to f left parenthesis x right parenthesis equals negative seven fifths x minus eight ninths f(x)=7/5x8/9...

Marshall bought 32 ounces of mixed nuts, which are estimated to be 30% peanuts. Which expression can be used to find the percentage of peanut concentration of the final mix if he adds x ounces of pean

An average computer mouse inspector can inspect 55 mice per hour with a population standard deviation of 14 mice per hour.
$10.00
Math
Waiting for answer

Sofia and Tess will each randomly choose one of the 10 integers from 1to 10.What is the probability that neither integer chosen will be the square of the other?

Consider the following Linear Programming model: Maximize x+0.5y Subject to: y2xlt;=1 4x+ygt;=4 ylt;=6 ygt;=0 xgt;=0.5 (a) Draw the feasible...
$35.00
Math
Waiting for answer

Let A = 1 2 3 4 5 2 1 3 1 2 3 1 2 4 1 . (a) Find a matrix in column echelon form that is column equivalent to A . (b) Find a matrix in reduced column...

A prism with a volume of 1458 mm³ is scaled down to a volume of 16 mm³. What is the scale factor? Question 1 options: A. 2/9 B. 2/27 C. 8/27 D.8/729

Use the GaussJordan elimination method to solve the system of equations.

What is the range of the function f(x) = 3.2x for the domain {4, 2, 0, 2, 4}? A) {12.8, 6.4, 0, 6.4, 12.8} B) {12.8, 5.5, 0, 6.4, 12.8} C) {0, 6.4, 12.8, 19.2, 25.6} D) {12, 6, 0, 6, 12}

Given the following assumptions (principal = $550, APR compounded monthly = 3.75%, monthly payment = $65), what is final balance of the savings plan

08 A store sells different kinds of candy at $1, $1.50, $2, and $3 per kilogram. How many kilograms of each kind of candy does $3 buy? Explain why the price of 1 kg and the amount of candy that $3 can

Use information given in the diagram of a ghi to find the missing measurement round the answers to the nearest tenth

A store manager paid 185 for an item and set the selling price at 266.40. What was the percent markup?
$35.00
Math
Waiting for answer

An astronaut drops a rock off the edge of a cliff on the Moon. The distance, d ( t ), in meters, the rock travels after t seconds can be modeled by...

04] What is the measure of arc AC if the diameter, AB, of circle O is 24 cm.
$15.00
Math
Waiting for answer

Stock price is $38 per share Tom purchased 600 shares assuming a brokers commission of $0.10 per share to purchase the 600 shares

Arthur went to the market to buy fish to cook for dinner write an expression that shows that he bought four times the number of fish 2 because he wants to have some left over for lunch the next day

Give at least two examples to support your reason.The. lcm of two numbers is the product of two numbers
$12.00
Math
Waiting for answer

A parallelogram cannot be a cross section of a triangular prism. true, sometimes, or never true. explain

Pam kept track of the puppies available for adoption at the shelter. After 2 hours, there were 10 puppies available for adoption. After 3 hours, there were 8 puppies available for adoption. How many
$50.00
Math
Waiting for answer

A honda civic has fuel economy rating of 36.0 mile per gallon, how can you determine which vehicle is more efficient?

Use the provided ruler. Suppose you could recreate the drawing so it has a scale of 1 cm : 4 meters. What will be the length and width of the new scale drawing be?
$15.00
Math
Waiting for answer

A company that manufactures mountain bikes makes a daily profit p according to the equation p=200x2+8400x86,742 , where p is measured in dollars and...
$35.00
Math
Waiting for answer

solve and give the general solution to 6cos(theta)sin(theta)2cos(theta)=0 *solve between 0lt;(theta)lt;2(pi)

How many solutions does this linear systems have? y=2x5 84y+20 Answer: a) One solution: (2.5, 0) b) One solution: (2.5,0) c) No Solution d) Infinite number of solution

A right triangle has legs of length 5 and 7. Find the measures of the other two angles in this triangle (round your answers to the nearest tenth of a...

Which statement is true for the circumcenter of a right triangle?  Explain to me What is the term for the point where angle bisectors meet? What is the term for the point where perpendicular bisecto

A company that manufactures mountain bikes makes a daily profit p according to the equation p= 200x 2 + 9600x 109,792 where p is measured in

The patient undergoes chemical ablation of one facial lesion in her physician's office. The physician's fee is $240. There is no copayment required....

A quarter circle is attached to the side of a square that is 8 cm. What is the best approximation for the area of this figure? Use 3.14 to approximate pi. A. 82.2 cm B. 114.2 cm C. 164.5 cm D. 268.1 c
$50.00
Math
Waiting for answer

Find f '(x), f ''(x), and f ''(1) for f(x) = tan1(2x)

A small boat leaves the dock at Camp DuNuthin and heads across the Nessie River at 17 miles per hour (that is, with respect to the water) at a...
$50.00
Math
Waiting for answer

A mixture of 7% disinfectant solution is to be made from 8% and 5% disinfectant solutions. How much of each solution should be used if 27 gallons of 7% solution are needed

A stairway has a rise of 12 ft and a run of 24 ft what is the slope of the handrail?

Please have explanations next to the steps. Thanks! Also, the answer is not 5. I went over it with my teacher and 16 mph should not become 16mph.
$35.00
Math
Waiting for answer

An invoice dated May 12, terms: 5/10, n/30 for $3 000.00 was received by Bruce Distributors. a) What is the last day of the discount period? b) What