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grin007 [14]
3 years ago
5

Find the solution of the system of equations. 10x + y = 16 -10x + 5y = 50

Mathematics
1 answer:
slega [8]3 years ago
4 0

Answer:

x= 0.5 y=11

Step-by-step explanation:

solve like simultaneous equations

(10x + y = 16)  + ( - 10x + 5y = 50)

(adding the equations together as that is how you get rid of the x values)

so you are left with 6y= 66

y=11

now substitute y into one of the equations (doesn't matter which)

10x + 11= 16

10x= 5

x=0.5

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Step-by-step explanation:

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3 years ago
NEED HELP IN FINDING AREA
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Answer:

809 km²

Step-by-step explanation:

I can split this into 3 rectangles. One is 25 by 17, another is 24 by 13, and the last one is 6 by 12. (I had gotten 13 for the second rectangle because 25 - 12 = 13.)

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425 + 312 + 72 <em>{From left to right, add 425, 312, and 72 to get 809}</em>

737 + 72

809 km²

The area of this figure is 809 km².

5 0
3 years ago
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Answer:

1/3

Step-by-step explanation:

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Read 2 more answers
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