Answer:
wrong it is 667.95
Step-by-step explanation:
Answer:
Step-by-step explanation:
The length is 7 and the width is 3
A - drawing a girls name at first
P(A) = 2/(2+9) = 2/11
B - drawing a boys name in second drawing if first drawing was a girls name
P(B) = 9/10
C - drawing a girls name firstly and a boys name secondly
P(C) = P(A) * P(B) = 2/11 * 9/10 = 9/55
ans: 9/55
First you need to subtract 35 to get one equation =0.
x^2-10x-10=0 then use the quadratic formula (let me know if you need the formula of need to see these steps)
and solve to = approximately 8.87 and 1.12