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Ymorist [56]
3 years ago
12

PLEASE HELP!!

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
7 0

Answer:

100 watts/meter^2

Step-by-step explanation:

Dimas [21]3 years ago
3 0

Answer:

C. 100 watts/meter^2

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aleksandrvk [35]

Answer:

1) (2, 3)

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Step-by-step explanation:

2x – y = 1

2x +2y = 10   Subtract to eliminate  the 2x:

2x - 2x - y - 2y = 1  - 10

-3y = -9

y = 3.

Plug this into the first equation:

2x - 3 = 1

2x = 4

x = 2.

2)

5x – y =15

x + y = -3     Adding to eliminate y:

5x + x - y + y = 15 + -3

6x = 12

x = 2

Plug this into the first equation:

5(2) - y = 15

-y = 15 - 10 = 5

y = -5.

6 0
3 years ago
The area of circle can be expressed by the
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Step-by-step explanation:

Solve for r. Do this by dividing by the coefficient of the r² term, then taking the square root.

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3 years ago
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