determinant: 
(a) 
D<0 means there are no real roots. there are two complex roots with imaginary components.
(b) D=16+20=36>0
D>0 means there are two real roots
(c) D = 20^2-4*4*25 = 0
D=0 means there is one real root with multiplicity 2
Answer:
His weekly allowance is $5.50.
Step-by-step explanation:
12.03 - 6.53 = $5.50
I'm not 100% sure this is accurate. Good Luck!
Answer:
The more fish Carl tests, the more likely he is to find a 30% parasite incidence rate.
Step-by-step explanation:
Given that fish inhabiting the river in the town of Glenmeadow have a 30% rate of parasite incidence
Carl is a fisherman who wants to verify the parasite infection rate of Glenmeadow's fish.
Sample size of 1000 i.e. 1000 fish is caught.
The interpretation of the given statement is
The more fish Carl tests, the more likely he is to find a 30% parasite incidence rate.
is the interpretation of population proportion rate for catching fish.
