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2 years ago

1. Consider the following system of linear equations.

Mathematics

1 answer:

timurjin [86]2 years ago

4 0

Using the multiplication property, we have the following equivalent system of linear equations:

4/9x + 4/3y = 20/12
2/3x - 4/3y = 5/3

<h3>What is an Equivalent System of Linear Equations?</h3>

Systems that are equivalent will have the same solution.
Creating equivalent system helps us to find the variables in a system of equations.

Given:

1/3x + y = 5/4 ---> Equation 1

2/3x - 4/3y = 5/3 ---> Equation 2

To create an equivalent system, multiply equation 1 by 4/3, and multiply equation 2 by 1.

Thus, using the multiplication property, we have the following equivalent system of linear equations:

4/9x + 4/3y = 20/12
2/3x - 4/3y = 5/3

Learn more about equivalent system of linear equations on:

brainly.com/question/1869465

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erastova [34]

Answer:

$x = - 23$

Step-by-step explanation:

$\frac{20 - (40 + x)}{12} \times 10 = 32.5 - 30 = 2.5$

$= > \frac{20 - (40 + x)}{12} = 0.25$

$= > \frac{20 - (40 + x)}{12} = \frac{1}{4}$

$= > 20 - (40 + x) = \frac{12}{4} = 3$

$= > 40 + x = 20 - 3 = 17$

$= > x = 17 - 40 = - 23$

7 0

3 years ago

What is the domain range and zeros of the graph ?

marusya05 [52]

The domain is how far the graph stretches horizontally (on the x-axis).

Domain: ( -∞ , ∞ ) or -∞ < x < ∞

The range is how long the graph stretched vertically (on the y-axis).

Range: ( -∞ , 2 ] or -∞ < y ≤ 2

The zeros are where the graph intersects with the x-axis. In other words, the x-values when y=0.

Zeros: x = -1 and x = 3

8 0

3 years ago

Help me please ASAP<br><br>- do not put any fake answers.... ty:)))<br><br>

BartSMP [9]

The answer is 4 and 3. 4 for the x axis and 3 for the y axis

8 0

3 years ago

In the following scenario for a hypothesis test for a population? mean, decide whether the? z-test is an appropriate method for

Alik [6]

D

This is the right answer

4 0

3 years ago

Is x = -12 a solution of x^2 +10x+25=49?

Tresset [83]

Answer:

Yes

Step-by-step explanation:

${x}^{2} + 10x + 25 = 49 \\ {x}^{2} + 10x + 25 - 49 = 0 \\ {x}^{2} + 10x - 24 = 0 \\ (x + 12)(x -2 ) = 0 \\ \\ x + 12 = 0 \\ x = - 12 \\ \\ \\ x - 2 = 0 \\x = 2$

I hope I helped you^_^

8 0

3 years ago