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brilliants [131]
3 years ago
11

What are the coordinates (x, y) at which the graphs of 2x + 3y = 12 and 2x - y = 4 intersect?

Mathematics
2 answers:
adell [148]3 years ago
5 0
A. (3,2)

3(2x-y=4)
2x+3y=12

Than cross put the y’s

8x= 24

X= 3

Than substitute the x into one of the original equations

3•2 + 3y = 12
6+ 3y = 12
-6 -6

3y = 6
/3. /3

y= 2
krok68 [10]3 years ago
3 0

Step-by-step explanation:

2x+3y=12

2x- y =4

-------------------------------------

subtraction. 4y=8

y=2

putting the value of y=2

2x-y=4

2x-2=4

2x=6

x=3

(3,2)

option A

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Determine the area of the triangular ABC with AC=5cm and height DB=30 mm.<br>​
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750 mm²

Step-by-step explanation:

<h3>Area of triangle:</h3>

To find the area of the triangle, multiply the base and height and then divide the result by 2.

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1 year ago
A filing cabinet measures 5 feet high 18 inches wide and 2 feet deep. what is the volume of the filing cabinet?
kykrilka [37]
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garri49 [273]

Answer:

9 m

Step-by-step explanation:

Let me just say WHY this is your answer before we solve it!

This is your answer because, if 9x9=81, then what else do you need. To find the area of something, you just need to <u>MULTIPLY!</u>

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SO, 9 is your answer.

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