Answer:
65.4 degrees
Step-by-step explanation:
cos(x) = 5/12
x = arccos(5/12), which is approximately 65.3756816 (on calculator). to the nearest tenth that is 65.4
7.50 is the answer. It’s essentially the same thing as 7.5, just made it 7.50 since it has to be rounded.
The population of brook trout
Probability that it will rain on the first day and be clear (not rain ) on the next two days is 0.1719 .
<u>Step-by-step explanation:</u>
We are given that there is a 23% chance it will rain on any day, we need to find what is the probability that it will rain on the first day and be clear (not rain ) on the next two days . Let's do it step by step:
Probability for first day is to rain i.e. .
Probability for second day is to not rain i.e. .
Probability for third day is to not rain i.e. .
Now, Probability for occurrence of these 3 events simultaneously is :
⇒
⇒
⇒
∴ Probability that it will rain on the first day and be clear (not rain ) on the next two days is 0.1719 .