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Anon25 [30]
3 years ago
7

PLEASE HELP

Mathematics
1 answer:
tekilochka [14]3 years ago
5 0

Question 19

<h3>Answer: No, it is not in quadrant 3.</h3>

Explanation:

In order to be in quadrant 3, we need two things

  • x must be negative
  • y must be negative

An example point in the third quadrant is (-9, -12).

Both (x,y) coordinates must be negative to be located in quadrant 3. This is the southwest quadrant on the xy grid. We're told that x = 0 which means we are not in quadrant 3. Points on the x or y axis are not part of any quadrant. They are on the boundaries between quadrants (think of it like a fence or a wall).

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

Question 20

<h3>Answer: No, it is not in quadrant 2</h3>

Explanation:

We use a very similar idea as the previous question. Since y = 0, this point is on a boundary and not in any quadrant. To be in the second quadrant, we need these two conditions to be true:

  • x must be negative
  • y must be positive

For example, the point (-5, 7) is in quadrant 2. This quadrant is in the northwest on the xy grid.

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Please need help I will be MARKING as BRIANILIST. thank you so much. ​
Marina86 [1]

Answer:

a. (3,11) (4,15) (5,19) (6,23)

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c. the equation is y = 4x - 1

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Step-by-step explanation:

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3 years ago
Use a number line to add and subtract.<br><br> +7 + (-3)=
Karolina [17]

Answer:

4

Step-by-step explanation:

You have positive number and it is bigger that negative so your result will be positive too:

7-3=4

4 0
3 years ago
A lighthouse has a shadow that is 36 feet long. Zara is 4 feet tall, and she is standing next to the lighthouse. Zara has a shad
larisa [96]

Answer:

Explanation:

7 0
3 years ago
Solve the equation -7 = y for x.
Harlamova29_29 [7]

Answer:

x = 4y+28

Step-by-step explanation:

x/4 -7 = y

Solve for x

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x/4  -7+7 = y+7

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Multiply each side by 4

x/4*4 = 4(y+7)

x = 4y+28

5 0
3 years ago
Read 2 more answers
What is the value of x<br> 2x+3y=45 <br> x+y=10
Volgvan
Assuming this is a system of equations, here is how to find x. 

2x + 3y = 45
x + y = 10 

Multiply x + y = 10 by 2 so you are able to use the elimination method.

2x + 3y = 45
2x + 2y = 20

Subtract.

y = 25

Now that we've found y, we can plug it in to find x. 

x + 25 = 10

Subtract 25 from both sides.

x = -15
4 0
3 years ago
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