Solve the quadratic inequality 4x^2-25<0
1 answer:
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Answer:
a=-2, b=1.
Step-by-step explanation:
1) according to the condition it is required to find the equation of line, which passes through points A(-3;7) and B(4;-7);
2) the equation of this line can be made up using the formula:
3) if to re-write the last equation, then
y=-2x+1;
4) finally, a= -2; b=1.
Answer:
Explained below.
Step-by-step explanation:
Denote the variable as follows:
M = male student
F = female student
Y = ate breakfast
N = did not ate breakfast
(a)
Compute the probability that a randomly selected student ate breakfast as follows:
(b)
Compute the probability that a randomly selected student is female and ate breakfast as follows:
(c)
Compute the probability a randomly selected student is male, given that the student ate breakfast as follows:
(d)
Compute the probability that a randomly selected student ate breakfast, given that the student is male as follows:
(e)
Compute probability of the student selected "is male" or "did not eat breakfast" as follows:
(f)
Compute the probability of "is male and did not eat breakfast as follows: