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DochEvi [55]
3 years ago
9

PLEASE HELPNEED THIS SOOOOON​

Mathematics
2 answers:
sineoko [7]3 years ago
6 0

Answer:            -12

Step-by-step explanation:

Trava [24]3 years ago
5 0
The distance between the two points is -12
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I need help solving a system of linear equation, and it says to solve it by Substitution.
olga_2 [115]
2x - 3y = -24
x+ 6y = 18

you solve the first one by the x:

2x = -24 + 3y

x = (-24+3y)/2

then you substitute what you found in the other equation and you solve by y

(-24+3y)/2 + 6y = 18                   multiply everything by 2

-24 + 3y + 12y = 36

3y + 12y = 36 + 24

15y = 60

y = 60/15

y = 4

Good job! You found your y! :D

Now let's substitute the y in the first equation with 4:

2x - 3(4) = -24

2x - 12 = -24

2x = -24 + 12

2x = -12

x = -12/2

x= -6

Done!! ;) <span />
6 0
2 years ago
Read 2 more answers
Suppose hamburger buns cost $1.79 per package. how much would it cost to buy 6 packages?
Inessa [10]

Answer:

$10.74 or C.

Step-by-step explanation:

First multiply the total cost of a single package of buns by the number you want, in this case 6.

1.79 x 6 = 10.74


6 0
3 years ago
Read 2 more answers
Vertical angles are...? i
gregori [183]

Answer:

Vertical angles are pair of angles made by intersecting two  lines .

Step-by-step explanation:

In the image below a° and b° are vertical angles. "Vertical" refers to the vertex (where they cross), NOT up/down

3 0
3 years ago
How does a 180 degree rotation about the origin change the coordinates of a shape
notsponge [240]

Answer:

According to the 180°-rotation rule, you take the OPPOSITE of both the x-coordinate and y-coordinate:

180°: [<em>x</em>, <em>y</em>] → [<em>-x</em>, <em>-y</em>]

I am joyous to assist you anytime.

6 0
2 years ago
What is the difference??
aleksley [76]
9/x² - (2x+1)/8x =
72/8x² - (2x²+x)/8x² =
(72-2x²-x)/8x²=
(-2x -x+72)/8x². answer C. C. C
3 0
3 years ago
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