Use technology to solve the system of equations. Express all solutions as decimals, rounded to one decimal place.   −0.2x  +  0.3y  +  0.4z  −  t  =  4.4   2.2x  +  1.1y  −  4.7z  +  2t  =  9.8       9.2y      −  1.3t  =  7.2   3.4x      +  0.5z  −  3.4t  =  −0.8

Q: x4 – 7x2 – 18 = 0

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Q: 2. Solve the following simultaneous equations by elimination: (3x - y = 5 4x + y = 9 a) b) {3x 7x

A: a) we need to solve given system by elimination method b) we need to solve given system by…

Q: Solve for X in the equation, where -5 5 2 2 5 -3 A = and B = -4 0 4 1 3 2 2X = 2A – B X =

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Q: 11C, + C, = -27830.1 C1 - C3 = 1035 6C1 – 6C3 - C4 = 3348 C3 - Cs = 2025 9C3 + C4 – 9C5 – C6 = 12150

A: To Solve for C1, C3, C4, C5, & C6.

Q: Solve by the substitution method. x-y=-3 2x+6y=-54

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Q: Find the equation equivalent to 2x = 4 which is a multiple of 3. O 6x= 12 O 8x= 15 O 2x= 5 O 9x- 10

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Q: etermine the type of solution. y = 3/7x - 8 3x - 7y = 1

A: Given equations are:y=37x-8                           ................(1)3x-7y=1…

Q: solve in echelon form and tell how many solutions there are in non negative integers. x+2y+3z=90…

A: Given equations x+2y+3z=90  0x +3y+4z=36

Q: Which equation has the same solution as x2 – 13x – 18 = 0? (x – 6.5)2 = -24.25 O (x – 6.5)2 = 60.25…

A: Simplify

Q: x³ 3x²y = c C -

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Q: Solve. 5x + 109 – 12 = 0 Step 1 Move the constant to the right. 5x + 109 - 12 = 0 V5x + 109 x Enter…

A: I am going to solve the problem by using some simple algebra to get the required result of the given…

Q: many of each coin does he nave? 0.05N+0.10D=2.20;N+D=23 Now use the equations to find the number of…

A: We have, This is the system of linear equations in two variablesSubstituting in We get,

Q: Solve for x and y using substitution. 5x+2y=20 3x+y=13 O x=6, y=-5 x = 6, y = 5 x=-6, y = 5 x=-6, y…

A: The given equations are: 5x+2y=20   ...13x+y=13   ...2

Q: A landscaping company is delivering crushed stone to a construction site.  The table shows the total…

A: Given We have to take two points (0,0) ,  (1,3000)

Q: Solve the equation 7x-17= -7x + 11 by referring to the solutions of y = 7x - 17 and y = -7x + 11…

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Q: 14 Determine whether the ordered pairs (1,0) and 3, are solutions of the following equation. 5 - 7x…

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Q: x-2y = -15 12. 9x + 7y = -10

A: Question-   Solve system of linear equation by substitution

Q: dy e2x-y Q.2 Solve dx ex+y

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Q: Suppose that Mario owns a company that rents moving vans. Mario’s customers pay $22 per day to rent…

A: Solution

Q: Solve the equation -2 = √6s-8. Show your work in the sketch box. Make sure you show the check.…

A: Given query is to find the solution.

Q: O A. 45 1 12 %3D 36

A: Given: stella can put a kit together in 45 minso for 1 min=145Roberto can put a kit together is 36…

Q: Solve for r. Leave as a reduced fraction 15r – 5r + 6 – 8r + 25 – 20r = 40 + 15r - 16 + 11r + 21

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Q: Bryce runs at a constant speed and travels 9 meters in 6 seconds. If Bryce runs for 3 seconds at…

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Q: Two cyclists, 96 miles apart, start riding toward each other at the same time. One cycles 2 times as…

A: let the speed of the slower cyclists be r Therefore, the speed of the faster cyclists will be 2r.…