Question

Find the value of each expression when a=1/2,b=9, c=5, d=10. expression is d^2+2c-b+3a

Answer 1

`d^2+2c-b+3a=(10)^2+2(5)-9+3((1)/(2))`

then solve

`100+10-9+(3)/(2)=101+(3)/(2)=(205)/(2)=102(1)/(2)=102.5`

answer: 102.5