3 years ago

X + 3y = 6 2x - 7y = -1

Mathematics

1 answer:

lubasha [3.4K]3 years ago

6 0

Answer:

x=3, y=1. (3, 1).

Step-by-step explanation:

x+3y=6

2x-7y=-1

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

x=6-3y

2(6-3y)-7y=-1

12-6y-7y=-1

12-13y=-1

13y=12-(-1)

13y=12+1

13y=13

y=13/13

y=1

x+3(1)=6

x+3=6

x=6-3

x=3

You might be interested in

Please help me with my math homework :D (I'll mark brainliest)

EastWind [94]

Answer:

I believe the answer is A

Step-by-step explanation:

pls dont report me if wrong

5 0

3 years ago

Read 2 more answers

Which of the following is the graph of the quadratic function y=x^2-6x-16

stepladder [879]

Answer:

this is the graph to the equation :) hope this helps in all ways possible:)

Step-by-step explanation:

5 0

3 years ago

The point (4,-2) is the vertex of the graph of a quadratic function. The points (8,6) and (2,0) also fall on the graph of the fu

Elina [12.6K]

Answer:

Step-by-step explanation:

y = ax² + bx + c

~~~~~~~

(4, - 2), (8, 6), (2, 0)

a(4²) + b(4) + c = - 2

a(8²) + b(8) + c = 6

a(2²) + b(2) + c = 0

16a + 4b + c = - 2 .............. (1)

64a + 8b + c = 6 ............... (2)

4a + 2b + c = 0 ................. (3)

a = 0.5 ; b = - 4 ; c = 6

y = 0.5x² - 4x + 6

Part A: (0, 6), (6, 0)

Part B: (0,6)

Part C: (6, 0)

Part D: [ 4, ∞ )

4 0

3 years ago

3 < -5n + 2n Please show your work! Just in number form!

vovangra [49]

Answer:

[See Below]

Step-by-step explanation:

✦ Combine like terms:

✧ -5n + 2n = -3n

✦ Rewrite:

✧ 3 < -3n

✦ Divide:

✧ 3 / -3 = -1

So n = -1.

~Hope this Helps Mate. If you need anything feel free to message me.

8 0

3 years ago

Read 2 more answers

What is the equation of the line x–3y=18 in slope-intercept form? Drag and drop the appropriate number, symbol, or variable to e

Sunny_sXe [5.5K]

Simple...

you have: x-3y=18

You want to convert it into slope-intercept form or y=mx+b form-->>>

x-3y=18

Isolate the variable-->>

x-3y=18
-x -x

-3y=-x+18

Now simply divide...

$\frac{-3y}{-3} = \frac{-x+18}{-3}$

y= $\frac{1}{3}x -6$

Thus, your answer.

3 0

4 years ago

Read 2 more answers