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2/3x+5/3x=14

7\6x=14
then multiply a4 my 6\7

what is the circumferenceof a satellite dish which has a diameter of 21m

you do 2 times pie and radius
since you have the diameter then its 21 times pie . for futher info if your trying to find the area then you have to put it in radius form which is half the diameter is 10.5 and square it and times by pie.

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