Answer:
By using completing the square method, equation (x - 12) (x + 4) = 9 can be solved as x = (4 + √ 73) or (4 - √ 73)
Answer:
hello,
Step-by-step explanation:
a)
p(fail)=0.05
p(not fail)=1-0.05=0.95
b)
p(3 fails)=0.05³=0,000125
c)
p(1 or more system not fail)=1-0.05³=0.999875
d)
it increase the security.( here 4/100 for 3 systems)
Sarah had some cookies. She then gave her friend, Mike, eight cookies.
