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LenKa [72]
3 years ago
10

Find the solution of the system of equations. 2x + 5y = –11 -8x – 5y = -1 Submit Answer

Mathematics
1 answer:
bekas [8.4K]3 years ago
4 0

Answer:

x=-6

Step-by-step explanation:

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Given that <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B2y%20%2B%20x%7D%7Bx%7D%20%20%3D%202y" id="TexFormula1" title=" \fr
alexandr1967 [171]

Answer:

Step-by-step explanation:

Hello, please consider the following.

For any x real number different from 0, we can write.

\dfrac{2y + x}{x} = 2y\\\\2y+x=2xy\\\\2xy-x=(2y-1)x=2y\\\\x=\dfrac{2y}{2y-1}

And this is defined for 2y-1 different from 0, meaning y different from 1/2

Thank you.

8 0
3 years ago
A car going 72.0 km/h (20.0 m/s) slows down to 36.0 km/h (10.0 m/s) in 5.00 seconds. Calculate the acceleration in
Vlada [557]

Answer:

-2 m/s^2

Step-by-step explanation:

Just as you would calculate the velocity when a body moves from point A to point B in a time T, we are going to calculate the acceleration as the difference of the velocities (final - initial) and divide it by the time it took:

Velocity_final = 10 m/s

Velocity_initial = 20 m/s

Time = 5 s

acceleration = (Velocity_final -  Velocity_inital)/Time

                     = (10 m/s - 20 m/s)/5 s

                     = (-10 m/s) / 5s

                     = -2 m/s^2

The acceleration in m/s^2 is -2

6 0
3 years ago
Which is the value of Y in the parallelogram below?
IrinaK [193]

Answer:

9

Step-by-step explanation:

Just like a rectangle, times one length times width

4 0
3 years ago
Including zero) depending on your answer
kotykmax [81]

Answer: here b

Step-by-step explanation:

http://bigtrucktacos.com/menu/

8 0
2 years ago
Read 2 more answers
What is 14.8 plus 0.97 plus 6.25 simplify
nataly862011 [7]
14.8+.97+6.25= 22.02


4 0
3 years ago
Read 2 more answers
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