Answer:
12. 56
Step-by-step explanation:
The area of a circle is given by pi×r^2
where r is the radius. The question states That we should use 3. 14 in place of pi.
Area=3. 14×r^2
=3. 14×2^2
=3. 13×4
=12. 56
Answer:
66 words per minute
Step-by-step explanation:
In 38 minutes , words that can be typed by Gordon = 2508 words
In 1 minute, words that can be typed by Gordon = 2508/38
= 66 words
Therefore Gordon types 66 words per minute.
hope it helps :)
Answer:
what is the question? I do not get what the question is.
Solution: A distribution consists of three components with frequencies 45 ,40 and 15 having their means 2,2.5 and 2 respectively . find combined mean
Answer: Let
be the mean of first component and
be the frequency of first component
Let
be the mean of second component and
be the frequency of second component
Let
be the mean of third component and
be the frequency of third component
Then we have:



Now the combined mean is:
Combined mean 



Therefore, the combined mean is 2.2
Answer:
y = 1.25x + 5
Step-by-step explanation:
The entrance fee is fixed, meaning it does not change. It is $5 for any person that wants to enter.
y = mx + b
only rates that change is dependent on how many rides you go on.
so 1.25 is your slope, m
y = the amount you will spend
x = the amount of rides you go on
b = the cost to enter the fair -- this is fixed.
put the equation together