Two dice are rolled. Use the complement rule to find that the probability that the sum of the dice is less than 10.
1 answer:
Answer:
Step-by-step explanation:
When two dice are rolled, the sample space is
In total, 36 outcomes
First, find the probability that the sum is 10 or greater:
All favorable outcomes
10:
11:
12:
In total, 6 outcomes.
The probability that the sum is 10 or greater is
Use the complement rule to find that the probability that the sum of the dice is less than 10:
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Using the relation between velocity, distance and time, it is found that:
- The rate of the plane is of 840 km/h.
- The rate of the wind is of 210 km/h.
Velocity is <u>distance divided by time</u>, that is:
Flying against the wind, an airplane travels 2520 kilometers in 4 hours, that is:
Flying with the wind, the same plane travels 9450 kilometers in 9 hours, hence:
Hence, solving for the wind's speed:
For the plane, we have that:
v = 1050 - 210 = 840.
More can be learned about the relation between velocity, distance and time at brainly.com/question/24316569
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