19. Given the augmented matrix 1 4 -2 1 R2 = r2 – 7r, R3 = r3 + 2r, 7 29 -15 -2 -6 7 19 Perform the row operations. Write your answer as a matrix!

Q: 7/3+4/5+1/3=

A: Given: 73+45+13 To find: We have to calculate the value.

Q: -7/27+ 13/27

A: Calculation:Simplify the given expression as follows,

Q: Find m PSR

A: Given,            The figure is shown below :

Q: A poll of 220 students at a university reveals that 89 are taking a lab science course, and 57 are…

A: d) The explanation of this part is wrong. Note that P((L∩H)')=P(L'∪H') [using De-morgan's law]So the…

Q: 0 1 2 4 0 0 1 3

A:

Q: 9 What is the y value when x equais 1? Your answer 10. What is the y value when x equals 5?

A: We are given a table describing relationship between x and y such that: x 0 1 2 3 4 5 y 5…

Q: -1 0. B = 1 3 4 A Let AB = ?

A:

Q: Which of the following is the graph of the piecewise function f (x) - 7 f(x) -2-1 2 1 √-x-1 if XS-1…

A: To plot the piecewise continuous functions: f(x)=-x-1 if x≤-1xx2-x-2 if -1<x<2log2(x-1) if x≥2

Q: A = 1 1 0 0 1 -1

A: Note the following fact :

Q: . If mL8 = x + 80, what is the measure of 29? а. 100 c. x - 80 - х b. 100 + X d. x - 180

A: the given figure is: given that m∠8=x+80 we have to find the measure of ∠9

Q: 52. -2

A: When f'>0 then function increasing and graph of f' lies above x axis when f'<0 then function…

Q: 1/5 + 1/10 + 1/15

A: Sum of numbers

Q: question

A:

Q: 1/3+4/5=

A: