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Marina CMI [18]
2 years ago
15

The graphed line shown below is y=-3x+6...Which equation, when graphed with the given equation, will form a system that has no s

olution?​
Mathematics
1 answer:
trasher [3.6K]2 years ago
6 0

Answer:

The equation, when graphed together with the line y=-3x +6, which will form a system of equations with no solution is y=-3(x +6), meaning the second option on the picture.

Step-by-step explanation:

hope this helps!

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X^2 - y^2 = 100
luda_lava [24]

Answer:

20

Step-by-step explanation:

Let's start by rewriting the second equation in terms of "x":

x+y=5

Subtract y from both sides:

x=5-y

Now, substitute "5-y" for "x" in the first equation:

(5-y)^2-y^2=100

Note that:

(a-b)^2=a^2-2ab+b^2

25-10y+y^2-y^2=100

Cancel out like terms:

25-10y=100

Subtract 25 from both sides:

-10y=75

Divide both sides by -10

y=\frac{75}{-10}=\frac{15}{-2}=-\frac{15}{2}

Now, substitute this value back into either of the equations to solve for x.

x+y=5\\x-\frac{15}{2}=5\\

Add 15/2 to both sides:

x=5+\frac{15}{2}\\x=\frac{10}{2}+\frac{15}{2}\\x=\frac{25}{2}

Now, find the difference:

x-y=\frac{25}{2}-(-\frac{15}{2})=\frac{25}{2}+\frac{15}{2}=\frac{40}{2}=20

8 0
2 years ago
Determine whether each expression was simplified correctly.​
astra-53 [7]

Answer:

Only b is correctly simplified.

Step-by-step explanation:

3 0
2 years ago
Which of the following graphs represents a line that is parallel to the line y = - 1/3x - 2?
aalyn [17]
If u can’t read cause it is cut off, the top 10 is 10 and the bottom is -10.

7 0
2 years ago
There are 28 students in the math class, and 22 of the students passed recently. What percentage did the test pass?​
marissa [1.9K]

About 79% passed

Hope this helps

8 0
3 years ago
Lowest common multiple of 28 and 42
Delicious77 [7]
7 is the lowest common multiple i think
8 0
3 years ago
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