Answer:
Step-by-step explanationtake the diameter, 10cm and multiply by pi (3.14) and the answer is 31.4
twenty thousand four hundred and eight four one hundred and sixty four
2x²+5x-9=0
using quadratic formula
a=2 b=5 c=-9
x=[-5±√5²-4(2)(-9)]/2(2)
x=[-5±√97]/4
the zeros are( -5±√97)/4
0, -2 i think :p
Step-by-step explanation:
Because i say so