You solve the equation : t^2 - 9t - 90 = 0 ;
Δ = ( - 9 )^2 - 4 * 1 * ( - 90 ) = 81 + 360 = 441 ;
t1 = ( 9 +

) / 2 = 30 / 2 = 15 ;
t2 = ( 9 -

) / 2 = -12 / 2 = - 6 ;
The numbers are 15 and - 6 ;
9000 if you don't allow numbers with leading zeros, such as 0,000.
10,000 if you do allow numbers with leading zeros.
Answer:
27
Step-by-step explanation:
Zog went to Elfos pie shop with 11 friends. He ordered 5 pie’s. How big do the slices need to be?
Answer: 10
Step-by-step explanation: hope this helps