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Llana [10]
3 years ago
12

What do the following two equations represent?

Mathematics
1 answer:
Dima020 [189]3 years ago
6 0

Answer:

rgjk j nfkkduejf nckcoc

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What is the point of intersection of these two lines:<br>25x+10y=100<br>10x+20y=120
wlad13 [49]
Answer:
The point of intersection is (2,5)

Explanation:
To get the point of intersection, we would need to solve the two equations simultaneously. This is because, the point of intersection satisfies both equations.
The first given equation is:
25x + 10y = 100 ..........> equation I
The second given equation is:
10x + 20y = 120
Divide all terms by 10 to simplify, this would given us:
x + 2y = 12
This equation can be rewritten as:
x = 12 - 2y ...........> equation II

Substitute with equation I in equation II and solve for y as follows:
25x + 10y = 100 
25(12-2y) + 10y = 100
300 - 50y + 10y = 100
300 - 40y = 100
300 - 100 = 40y
40y = 200
y = 200 / 40
y = 5
Substitute with y in equation II to get x as follows:
x = 12 - 2y
x = 12 - 2(5)
x = 12 - 10
x = 2

Based on the above, the solution to the system of equations which also represents the point of intersection between the two lines would be (2,5)

Hope this helps :)
7 0
3 years ago
Divide 36xy-39y over 3y
Tcecarenko [31]
\dfrac{ 36xy-39y}{3} 

Factor \ out \ the \ common \ term \ 3y 

\dfrac{3y(12x-13)}{3} 

y(12x-13)&#10;&#10; &#10;    Cancel \ 3
3 0
3 years ago
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What is the value of m and n?
NeX [460]
The value of n is y and the value of m is z
4 0
3 years ago
Either Table A or Table B shows a proportional relationship.
alex41 [277]

Answer:

the answer is table B

Step-by-step explanation:

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One attempt left!!
ira [324]

Answer:

U is the midpoint of a segment in the diagram

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