Peraturan pertandingan yang diterapkan pada acara sea games berada dalam naungan...
1 answer:
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Answer: 8.73 ft/s
Step-by-step explanation:
We have the following equation that models the motion of the rock:
Where is the height of the rock at a time
.
Now, if we can find
and then the velocity of the rock at that height:
Rearranging the equation:
Multiplying the equation by -1:
Solving with the quadratic formula , where
,
,
.
Choosing the positive result of the equation:
Since velocity is defined as the traveled distance
in a given time
, we have:
This is the velocity of the rock at the height of 48 feet
Answer:
Therefore the only statement that is not true is b.)
Step-by-step explanation:
There employees are 6 secretaries, 5 consultants and 4 partners in the firm.
a.) The probability that a secretary wins in the first draw
=
b.) The probability that a secretary wins a ticket on second draw. It has been given that a ticket was won on the first draw by a consultant.
p(secretary wins on second draw | consultant wins on first draw)
=
= .
The probability that a ticket was won on the first draw by a consultant a secretary wins a ticket on second draw = is not true.
The probability that a secretary wins on the second draw =
c.) The probability that a consultant wins on the first draw =
d.) The probability of two secretaries winning both tickets
= (probability of a secretary winning in the first draw) × (The probability that a secretary wins on the second draw)
=
Therefore the only statement that is not true is b.)