The missing number is the square-root of the constant term on the left-hand-side, which equals sqrt(1/16)=1/sqrt(16)=1/4.
Check:
(x+1/4)^2=x^2+2*(1/4)x+(1/4)^2=x^2+x/2+1/16. ok
Answer: x= 1/4
3.60
bc using a part to whole chart you cross multiply 24*15 get 360 then divide it by 100 and get 3.60
Answer: 18. 75
Step-by-step explanation:
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cp percent fraction sp
-12 88/100 16. 50
100*16.50 /88= 18.75