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alukav5142 [94]
3 years ago
9

Please help me with my math ;-;

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
7 0
I only know 1 & 4 .. 2 & 3 seem hard to me ..
X >7
X< -7
-
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I need this fast!........................
Schach [20]

Answer:  (2,2)

Step-by-step explanation:

1. Substitute y=0 into first equation and solve for "x" in order to find the x-intercept of the first line:

0=-\frac{1}{2}x+3\\\\-3=-\frac{1}{2}x\\\\(-3)(-2)=x\\\\x=6

2. Substitute x=0 into the first equation and solve for "y" in order to find the y-intercept of the first line:

y=-\frac{1}{2}(0)+3\\\\y=3

Knowing that first line passes through the points (6,0) and (0,3), you can graph it.

3. Substitute y=0 into second equation and solve for "x" in order to find the x-intercept:

0=2x-2\\\\2=2x\\\\x=1

4. Substitute x=0 into the second equation and solve for "y" in order to find the y-intercept of the second line:

y=2(0)-2\\\\y=-2

Knowing that second line passes through the points (1,0) and (0,-2), you can graph it.

The solution of the system of equations is the point of intersection between the lines. Therefore, the solution of this system is:

(2,2)

7 0
2 years ago
What is 6.9 divided by 58.65?
Alecsey [184]

Answer:

8.5

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
If I ride 3 1/4 miles at 2/5 miles per minute how fast I’m going
Bogdan [553]

To get your answer, you would divide your distance by your speed. You should be going about 1.4 miles per hour.

3 0
3 years ago
(pls also provide an explanation for how i do this)
Marizza181 [45]

Answer:

slope = \frac{3}{4}

Step-by-step explanation:

Calculate the slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (5, 3 ) and (x₂, y₂ ) = (9, 6 )

m = \frac{6-3}{9-5} = \frac{3}{4}

6 0
2 years ago
Substation method x-2y=5 ,<br> 3x-5y=8
valina [46]
x-2y=5 \\&#10;3x-5y=8 \\ \\&#10;\hbox{solve the first equation for x:} \\&#10;x-2y=5 \ \ \ |+2y \\&#10;x=2y+5 \\ \\&#10;\hbox{substitute 2y+5 for x in the second equation:} \\&#10;3(2y+5)-5y=8 \\&#10;6y+15-5y=8 \\&#10;y+15=8 \ \ \ |-15 \\&#10;y=-7 \\ \\&#10;x=2y+5=2 \times (-7)+5=-14+5=-9 \\ \\&#10;\boxed{(x,y)=(-9,-7)}
6 0
2 years ago
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