9.9 Use Gauss elimination to solve: 8x, + 2x2 – 2x3 = -2 10x, + 2x2 + 4x3 = 4 12x) + 2x2 + 2x3 = 6 Employ partial pivoting and check your answers by substituting them into the original equations.

Q: 14. L1+ 2t- 3

A: Given The given expression is  Apply Laplace transform formula.

Q: 61.6(2.1/3)

A: Given, 61.6(2.1/3)

Q: 7/13p=-14/11

A:

Q: reduced 6/6

A:

Q: 10. 31 19

A:

Q: 1.25a +3> 0.5a-6 and 2.5a 129-1.5a

A:

Q: 60 27 2. + $6

A:

Q: 8. arctan (-1)

A:

Q: 0.3(7 + 2x) + 1.3x = 3.5

A:

Q: 2 2/3 X 5/8

A: Given that  22/3*5/8

Q: 3/4 5/6

A: The given set of questions ,  1 13÷16 Apply division rule ,  1316=13×61         =2 2 25÷47 Apply…

Q: 32/2,625

A:

Q: 6. 9 > x + 8

A: To solve the given inequality 9>x+8

Q: (2x + 1)3/2 (2x + 1)5/2 – -(2x + 1)3/2 = 10 6. 15

A: to solve given equation

Q: 50/21 simplest form

A: Compute the simplest form of 50/21.That is, divide 50 by 21.

Q: 5. 110 (x + 12)°

A: given alternate exterior angles are equal.

Q: 4/2-6/8

A:

Q: 5/3 divied 5/2

A:

Q: B. 264

A:

Q: 10/21 multiply 14/15=

A: The objective of the question is to find the product of two fractions, 10/21 and 14/15.

Q: 4/10 divided 1/2

A: Answer

Q: 8. 2 k=1 3k

A:

Q: 5x + 1/4 = 61/4

A:

Q: 6. (r- 30)° ot

A: In this question ....we fint out all angles of triangles. we know that the sum of all angles of…

Q: 5 1/2-9 3/8

A: Simplify by first using the form to convert it into the form of fraction and then take the LCM and…

Q: 214 8.

A:

Q: 13 2/2

A:

Q: 2.73-0.94

A: Here we subtract a number in another number.

Q: 8. 8. Find x: 6. 4 10.5

A: We have to evaluate the value of x. Observe that the figure has two triangles. Let us name the…

Q: 10. 15 > 19 + 0.2(5x – 90)

A: The given inequality: 15>19+0.2(5x-90)

Q: (9.35 × 10°) (7.47 × 10°) = 6.80 × 10 3.89 x 10-4 – 7.47 × 105 9.35 x 10°) (7.35 × 10° 2.42 х 10

A: Explanation and solution is given below....

Q: 14.05 X 7 5.

A:

Q: 5x + 8 = 78

A: We Solve the Equation, Find The value of x.  Given Equation is 5x+8= 78.

Q: 6 9.06

A:

Q: e an example of a differential equation using a combination of real and equal roots and power series…

A: a) Real and distinct roots: Eg: 1 d2ydx2 + 3 dydx +2=0 Auxiliary Equation: m2+3m+2=0 m=2,1 y(t)=C1…