Answer: sqrt 2(3- sqrt 5) / 4
Step-by-step explanation:
Multiply by conjugate
3- sqrt 5/ 3- sqrt 5
Answer:
Yes, snow and cold weather are independent.
Step-by-step explanation:
We are given the following in the question:
C: Cold weather
S: Snow
P(C) = 0.50
P(S) =0.30

We have to check whether snow and cold whether are independent events.
If the events A and B are independent then,

Checking,

Thus, the two events are independent.
For mutually exclusive events

Thus, the given events are not mutually exclusive.
Answer:
The value of x is 7 cm.
Step-by-step explanation:
Answer:
Since the triangle is a right angled triangle, one of the angles is 90°. In the right angled triangle, the acute angles are in the ratio 4:5. Let the measures of the acute angles of the triangle in degrees be 4k and 5k, where k is a constant.
Step-by-step explanation:
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It is the third option on Edge