Answer:
Option A
fraction numerator square root of 2 over denominator 2 end fraction
Step-by-step explanation:
The answer can be obtained using a calculator.
It corresponds to a notable identity
sin (45) = 
/ 2
sin (45) = 0.7071
/ 2 = 0.7071
Please see attached picture
Answer:
b) 16 minutes
Step-by-step explanation:
total travel time = 320
20 data items
mean = 320/20 = 16
Answer:
You would need 9
Step-by-step explanation:
Multiply 1/2 by 4 1/2 and you get 8 and 1/2 as remander put that into it and you get 9
Using it's concept, the relative frequency for people who can <u>only see the sunset</u> is: 12/38.
<h3>What is a relative frequency?</h3>
A relative frequency is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.
From the two-way frequency table, we have that there are 38 people, out of which 12 can see the sunset but not the sunrise, hence the relative frequency for people who can <u>only see the sunset</u> is: 12/38.
More can be learned about relative frequencies at brainly.com/question/23359601
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Answer: 13 and 8
Step-by-step explanation:
13+8=21
13-8=5
All I did was trial and error. Plus, it helps to set up an equation : x+x=21, x-x=5
