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Arte-miy333 [17]
3 years ago
11

5x(2x-y) -3y(2+3x) expand and simplify​

Mathematics
1 answer:
OleMash [197]3 years ago
5 0

Answer:

10x² - 14xy -6y

Step-by-step explanation:

5x(2x-y)-3y(2+3x)

10x²-5xy-6y-9xy

10x² - 14xy - 6y

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How many solutions do these equations have y= 3x+4 y+6=3x
Nataly [62]

Answer:

Step-by-step explanation:

hello :

the system is :  y= 3x+4....(*)

                         y+6=3x....(**)

by (**) : y = 3x - 6

so : y= 3x+4

      y= 3x - 6

means :  3x+4 = 3x - 6

                     4= -6.......(false)

conclusion : no reals  solutions

5 0
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Ahh... this is pretty easy!!
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Locomotive is 40 feet.
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Model is 16.
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So?
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Divide 40 by 16!!
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What's that?
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So your answer choice is 2.5
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Hope I helped!!
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Help with 19, 19a, and 19b please
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