LCM(12, y9, x9, 4x6, x5) = 12y9x9
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The new mean would be 7. The mean is the average of the data. (x1+x2+x3+x4+x5+x6+x7+x8+x9+x10)/10=21 [(x1/3)+(x2/3)+(x3/3)+(x4/3)+(x5/3)+(x6/3)+(x7/3)+(x8/3)+(x9/3)+(x10/3)]/10=? [(1/3)(x1+x2+x3+x4+x5+x6+x7+x8+x9+x10)]/10=? [(x1+x2+x3+x4+x5+x6+x7+x8+x9+x10)/10]/3= 21/3=7
63
x9/x2 = x9-2 = x7
The answer will depend on the expression - which is not given!
37 + 32 x 9/5= 69 x 9/5= 124.2 degrees Fahrenheit. The formula for celsius to Fahrenheit [celsius=C and Fahrenheit=F] : F=(C+32)x9/5. From Fahrenheit to celsius: C=(F-32)x5/9.