All categories

3 years ago

Solve the system of equations. 5y-4x = -7 2y+4y = 14

Mathematics

1 answer:

timofeeve [1]3 years ago

3 0

Answer:

5y-4x= -7 :

Slope = $\frac{1.600}{2.000}$ = 0.800

x - intercept = $\frac{7}{4}$ = 1.75000

y - intercept = - $\frac{7}{5}$ = -1.40000 <------both of these numbers a negative

----------------------------------------------

2y+4y = 14 :

y = $\frac{7}{3}$ = 2.333

----------------------------------------------

Hope this helped & good luck <333

You might be interested in

The table below represents a function. Which of the following equations could be its function rule?

worty [1.4K]

Answer:

$y=2x-2$ is the required equation.

Therefore, the second option is true.

Step-by-step explanation:

We know that the slope-intercept form of the line equation of a linear function is given by

$y=mx+b$

where m is the slope and b is the y-intercept

Taking two points (0, -2) and (1, 0) from the table to determine the slope using the formula

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}$

$\left(x_1,\:y_1\right)=\left(0,\:-2\right),\:\left(x_2,\:y_2\right)=\left(1,\:0\right)$

$m=\frac{0-\left(-2\right)}{1-0}$

$m=2$

substituting the point (0, -2) and the slope m=2 in the slope-intercept form to determine the y-intercept i.e. 'b'.

$y=mx+b$

$-2 = 2(0)+b$

$-2=0+b$

$b=-2$

Now, substituting the values of m=2 and b=-2 in the slope-intercept form to determine the equation of a linear function

$y=mx+b$

$y=2x+(-2)$

$y=2x-2$

Thus, $y=2x-2$ is the required equation.

Therefore, the second option is true.

3 0

3 years ago

**WILL GIVE BRAINLIEST** MUST SHOW WORK!

Degger [83]

I THINK IT C

I REALLY TRIED

HOPE I HELPED

8 0

3 years ago

Read 2 more answers

Find the 76th term of the arithmetic sequence 17 19 21

OLga [1]

Answer:

167

Step-by-step explanation:

4 0

3 years ago

Jeffrey is going to charge an initial fee of $10 for mowing lawns, plus an hourly rate. He knows that he wants to charge a total

AfilCa [17]

Answer:

$160 was the total to the 4 hour job. Correct me if I'm wrong.

Step-by-step explanation:

x=10

y=40

8 0

3 years ago

Decimals between 11.4 and 15.0 with an interval of 0.4 between each pair of decimals

Sever21 [200]

11.4 → 11.8, 12.2, 12.6, 13.0, 13.4, 13.8, 14.2, 14.6 ← 15.0

5 0

4 years ago

Solve the system of equations. 5y-4x = -7 2y+4y = 14​

Solve the system of equations. 5y-4x = -7 2y+4y = 14