MATHEMATICS MIDDLE SCHOOL

The system of equations shown below is graphed on a coordinate grid:3y + x = 4
2y − x = 6

Which statement is true about the coordinates of the point that is the solution to the system of equations?

A. It is (−2, 2) and lies on both lines.
B. It is (−5, 3) and lies on both lines.
C. It is (−5, 3) and does not lie on either line.
D. It is (−2, 2) and does not lie on either line.

Answers

Answer 1

Answer:

3y+x=4

2y-x=6

Solve x+3y=4 for x

Add -3y to both sides

x+3y-3y=4-3y

x=-3y+4

Substitute -3y+4 for x in -x+2y=6

-x+2y=6

-(-3y+4)+2y=6

Simplify both sides of the equation

5y-4=6

Add 4 to both sides

5y-4+4=6+4

5y=10

Divide both sides by 5

5y/5=10/5

y=2

Substitute 2 for y in x=-3y+4

x=-3y+4

x=(-3)(2)+4

x= -6+4

x= -2

Answer : x=-2 and y=2

The answer is A

it is (-2,2) and lies on both lines

I hope that's help !

Answer 2

Answer:

Answer:

-2, 2

Step-by-step explanation:

i took the test and got it right

have a nice day :)

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PLEASE ANSWER FAST!!! Which is the more reasonable measurement of the distance between the tracks on a CD: 1.6 ⋅ 10^−3 mm or 1.6 ⋅ 10^3 mm? Justify your answer.

stephanie rides her bike 2 miles to the post office and then another 50 yards to the train station . How many yards long was her trip?

Answers

1 mile = 1760 yards
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so do the math and you would get your answer

Mixed numbers between 5 and 7, with an interval of 1 / 3 between each pair of mixed numbers

Answers

Answer:

$5,5(1)/(3),5(2)/(3),....6(1)/(3),6(2)/(3),....7$

Step-by-step explanation:

To find : Mixed numbers between 5 and 7, with an interval of $(1)/(3)$ between each pair of mixed numbers ?

Solution :

Mixed numbers between 5 and 7.

The interval is $(1)/(3)$ between each pair of mixed numbers.

So, The number form as

$5,5+(1)/(3),5+(2)/(3),....6+(1)/(3),6+(2)/(3),....7$

In mixed fraction,

$5,5(1)/(3),5(2)/(3),....6(1)/(3),6(2)/(3),....7$

Therefore, The mixed numbers between 5 and 7, with an interval of $(1)/(3)$ between each pair of mixed numbers are

$5,5(1)/(3),5(2)/(3),....6(1)/(3),6(2)/(3),....7$

5 1/3, 5 2/3, 6 1/3, 6 2/3....mixed numbers between 5 and 7.....intervals of 1/3

Examine the equation.–3x + 18 = 7x

What could you do to isolate the variable term to one side of the equation?

Answers

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$- 3x + 18 = 7x$

$7x = - 3x + 18$

Add sides 3x

$+ 3x + 7x = + 3x - 3x + 18$

$10x = 18$

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Answer:

10x + 18

You cancel out the lowest variable term to only have one variable term.

Step-by-step explanation:

-3x+3 then do 7x+3

10x + 18

You cancel out the lowest variable term to only have one variable term.

Tell me if it works.

Hope it helped.

Here's your test! what is 80% of 5

Answers

80% of 5 is 4. That is the final and simplest answer.

20% of 5 = 1

40% of 5 = 2

60% of 5 = 3

80% of 5 = 4

100% of 5 = 5

Please answer quick

Answers

$x=4y+6\nx-3y=4\n\n4y+6-3y=4\ny=-2\n\nx=4\cdot(-2)+6\nx=-8+6\nx=-2\n\n\boxed{(x,y)=(-2,-2)}$

Answer in addition..

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Decrease 1200 by 25 percent

Answers

1200 decreased by 25 percent is equal to 900

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