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lozanna [386]
3 years ago
9

A line segment is drawn from (1, 9) to (4, 9) on a coordinate grid.

Mathematics
1 answer:
FromTheMoon [43]3 years ago
7 0
Firstly, This is what I think you know too. The numbers are always written like that (x,y). So, (1,9) and (4,9) , both of their y-axis are 9. Therefore, When a line is drawn, they intersect one another.
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-2x+9y=-41<br> -2x-5y=1<br><br> Process of elimination
MrMuchimi

-2x+9y=41.... equation 1

-2x-5y=1 ....equation 2

________________

14y=43

y=43/14

y=43/14 in equation 1

-2x+9(43/14)=41

-2x+387/14=41

-2x=41-387/14

-2x=187/14

x=187/-28

x=187/28 , y=43/14

if you want to check your answer

-2(187/28)+9(43/14)=41

3 0
2 years ago
Ashley is diving in the ocean. She wants to reach a coral reef that is 60 feet below sea level; that is, the reef’s elevation is
Pavlova-9 [17]

Answer:

I am not positive that this is correct

Step-by-step explanation:

So if she want to reach a reef that has a elevation of -60 and she descends at a rate of 10 feet my guess the rational number that would represent this problem would be

-60/10

3 0
3 years ago
A shirt cost $7.50.. Jeremy gave the cashier the money below. How much change will Jeremy recieve
Vadim26 [7]
How much money did he have to begin with? Once you answer me I can give you the answer!
3 0
3 years ago
Pls it's due today. ​
Anastaziya [24]

Answer:

43.65 cm squared

Step-by-step explanation:

4 0
3 years ago
Point B has coordinates ​(1​,2​). The​ x-coordinate of point A is negative 8. The distance between point A and point B is 15 uni
olchik [2.2K]

Answer:

The point A will be  (-8,14) or (-8,-10).

Step-by-step explanation:

Point B has coordinates (1,2) and the x-coordinate of point A is - 8.

Let us assume that the coordinates of point A are (-8,k).

Now, given that the point A is 15 units apart from point B.

Therefore, from the distance formula, we can write that  

\sqrt{(1 - ( -8))^{2} + (2 - k)^{2}} = 15

Now,squaring both sides, we get  

(1 - ( -8))^{2} + (2 - k)^{2} = 225

⇒ (2 - k)^{2} = 225 - 9^{2} = 144

⇒ 2 - k = ± 12

⇒ k = 14 or -10.

Therefore, the point A will be  (-8,14) or (-8,-10). (Answer)

We know that the distance between two points on the coordinate plane (x_{1}, y_{1}) and (x_{2}, y_{2}) is given by  

\sqrt{(x_{1} - x_{2})^{2} + (y_{1} - y_{2})^{2}}.

7 0
3 years ago
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