Problem 3. Solve the following equations system: 2x1 + 6x2+ 4x3 : 18 %3D 5x1 + 6x2 + 4×X3 = 24 -2x1+ X2 + 3x3 = 3 %3D

Q: How many gallons of 30% alcohol and 60% alcohol are needed to obtain a 20-gallon mixture which is…

A: Let x be the number of gallons of 30% alcohol. So, (20-x) will be the number of gallons of 60%…

Q: Suppose that Mario owns a company that rents moving vans. Mario's customers pay $18 per day to rent…

A: Given information- We have given an equation for a total cost is- C = 18 + 0.60x Where x = no. of…

Q: Jacinta wants to use milk and orange juice to increase the amount of calcium and vitamin A in her…

A: The system of equations can be solved graphically or algebraically. The method of substitution and…

Q: Problem #1: Solve for X1 and X2 2X1 + 4X2 = 80 3X1 + 1X2 = 60

A:

Q: x+y+z=3 x+2y + 3z=-0 x+3y+2z=3 What is the value of

A: Given equations: x+y+z=3x+2y+3z=0x+3y+2z=3 We have to find the value of x. Cramer's rule to solve…

Q: Your refrigerator is broken so you set up an appointment to have it fixed.  The technician has a one…

A:

Q: The side of a square exceeds the side of the another squares by 4 cm and the sum of the area of the…

A: we have given that side of a square exceeds the side of the another squares by 4 cm and the sum of…

Q: solving for x and y

A:

Q: Solve the system2x1 − 3x2 = 5 −4x1 + 6x2 = 8

A:

Q: If mz3 = ( 4x + 70 )° and mz6 = ( 2x + 50 )°, what is x? %3D %3D a 1 b 4 3 5 8 7 2,

A: In the question we have to find value of x.

Q: One office rents 15 foot trucks for a one day fee of $40.55 plus $0.23 per mile. Another office…

A: Given,         One office rents 15-foot trucks for a one-day fee of $40.55 plus $0.23 per mile.…

Q: Factor: -81 (z +3)*(: –3)² O B. (: +9)(-9) OC. (:-3) O D. (=² +9)(:-3)(=+ OA. В. O E. Nonfactorable

A: Solution

Q: Select all equations that are equivalent to: 3(2x-4) = 18 2x-4 = 15 6x-12 = 18 6x-12 = 54 2x-4 = 6…

A: See the detailed solution below.

Q: both

A: Put value of either x or y from equation 1 and put in equation 2 or value of either x and y from…

Q: and az If z =x- 3x + 4x + 7y- 3y+5, find ax ay az ax az ay Need Help? Master t Read t

A: Given:    z = x4-3x2+4x+7y3-3y+5

Q: Two squares are drawn on a piece of paper.  The larger square has a diagonal 4 times as large as a…

A:

Q: 4-3 9M - 16

A: 7) Here we have,

Q: The length of a rectangle is 3 more than its width. If the area of the rectangle is 40, its…

A: Simplify the equation to get the quadratic equation. xx+3=40x2+3x=40x2+3x−40=0

Q: x and y satisfy the following equations, what is the value of x+ y? 4x+ 5= 9 9x+ 1y= 10

A: