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ElenaW [278]
3 years ago
12

CAN YOU HELP WITH THIS ONE QUESTION , JUST TRYING TO GET BACK ON HONOR ROLL !

Mathematics
1 answer:
Ivanshal [37]3 years ago
6 0

Answer:

B. TRUE.

(3, 2) is the intersection point of the graphs of

x + y = 5 and x - y = 1.

Step-by-step explanation:

Option B is TRUE because intersection point should satisfy both the equation

and in option be it comes true.

i.e x = 3  and y = 2 we have

3 + 2 = 5 and  3 - 2 = 1

5 = 5       and    1 = 1

Hence TRUE

A.

(3, 2) is the intersection point of the graphs of

3x + 2y = 5 and 3x - 2y = 1.

i.e x = 3  and y = 2 we have

3×3 + 2×2 = 5 and 3×3 - 2×2 = 1

13 ≠ 5               and 5 ≠ 1

Hence FALSE

C.

(5, 1) is the intersection point of the graphs of

3x + 2y = 5 and 3x - 2y = 1.

i.e x = 5  and y = 1 we have

3×5 + 2×3 = 5 and 3×5 - 2×3 = 1

21 ≠ 5               and  9 ≠ 1

Hence FALSE

D.

(5, 1) is the intersection point of the graphs of

x + y = 5 and x - y = 1.

i.e x = 5  and y = 1 we have

5 + 1 = 5 and 5 - 1 = 1

6 ≠ 5      and 4 ≠ 1

Hence FALSE

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Megan and four of her friends plan to go for a long drive. She buys 12 bottles of frappe and a few bottles of orange juice from
natima [27]

Answer:

  4 bottles

Step-by-step explanation:

Let o represent the number orange juice bottles Megan bought. Then the total number of juice bottles is ...

  o + 12 = 4o

  12 = 3o . . . . . . . subtract o

  12/3 = o = 4 . . . . divide by the coefficient of o

Megan bought 4 bottles of orange juice.

5 0
3 years ago
Please help i need this one asap
slavikrds [6]

Answer:

no

Step-by-step explanation:

Do your own work

6 0
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Please help, algebra two problem
cricket20 [7]

Answer: -12

Step-by-step explanation:

6 0
3 years ago
Find the coordinates of M' after a reflection across the line y= -1 and then across the line x= -2. Answer in form (a,b)
Ksivusya [100]
<h3>Answer:  (-1,3)</h3>

===========================================================

Explanation:

Point M is currently located at (-3, -5). Note the y coordinate is y = -5. The vertical distance from this y coordinate to y = -1 is 4 units. If we move another 4 units up from y = -1, we end up at y = 3.

What does this mean? It means that reflecting point M over the line y = -1 has it end up on (-3, 3), which I'll call point N. See the diagram below.

---------

Next we reflect over the line x = -2. The horizontal distance from x = -3 to x = -2 is one unit. So we move another unit to the right to end up at x = -1.

Therefore, reflecting (-3,3) over the line x = -2 will have the point land on (-1, 3)

---------

When we reflect over the line y = -1 first and then the line x = -2 second, we will have the point (-3, -5) move to (-3,3) and then to (-1,3) in that order.

Check out the diagram below.

3 0
4 years ago
Which equation represents a proportional relationship? A. y = x + 1 3 y=x+13 B. y = 1 − 1 3 x y=1-13x C. y = 3 x + 1 3 y=3x+13 D
34kurt

Answer:

Option D. y=\frac{1}{3}x

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

<u><em>Verify each case</em></u>

case A) we have

y=x+\frac{1}{3}

Remember that

the line must pass through the origin

so

For x=0, y=0

In this case

For x=0

y=0+\frac{1}{3}=\frac{1}{3}

so

The line not passes through the origin

therefore

The equation A not represent a proportional relationship

case B) we have

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

Remember that

the line must pass through the origin

so

For x=0, y=0

In this case

For x=0

y=1-\frac{1}{3}(0)=1

so

The line not passes through the origin

therefore

The equation B not represent a proportional relationship

case C) we have

y=3x+\frac{1}{3}

Remember that

the line must pass through the origin

so

For x=0, y=0

In this case

For x=0

y=3(0)+\frac{1}{3}=\frac{1}{3}

so

The line not passes through the origin

therefore

The equation C not represent a proportional relationship

case D) we have

y=\frac{1}{3}x

Remember that

the line must pass through the origin

so

For x=0, y=0

In this case

For x=0

y=\frac{1}{3}(0)=0

so

The line passes through the origin

therefore

The equation D represent a proportional relationship

3 0
3 years ago
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