2 years ago

2:1 and 18:9 equivalent?

Mathematics

2 answers:

denis23 [38]2 years ago

8 0

Yes they are equivalent 18:9 simplified by 9 is 2:1

Jobisdone [24]2 years ago

6 0

My answer -

18/9 is equivalent to 2/1, 4/2, 6/3, 8/4, 10/5, 12/6, 14/7, 16/8, 18/9, 20/10, and so on.

p.s

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Add: <br> 3x+9+8x + 12<br> 2x + 6+x² + 6x + 9

Oxana [17]

I'll treat these like they're two seperate problems because how you set it up they're not together. If it's one whole problem please tell me and I'll solve it that way. :-)

First one: 3x+9+8x + 12

Collect like terms and simplify

(3x+8x)+(9+12)

11x+21

Second one: 2x + 6+x² + 6x + 9

Collect like terms and simplify

$(2x+6x)+(6+9)+x^{2}$