Answer: see below
Step-by-step explanation:
(i)
200/2 = 100
Find 100 on cumulative frequency and the correspinding time: 14 minutes. So the answer is 14 minutes.
(ii)
First, find the lower quartile —> 200/4 = 50
Upper quartile —> 200/(3/4) = 150
Find the difference: 150 - 50 = 100
So the interquartile range is 100
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Answer:
That parabola hits (-5,0) and (9,0) so the x-intercepts are -5 and 9
Step-by-step explanation:
Use desmos its really helpful
Answer:
f(5)=4
Step-by-step explanation:
f(5)=5_1=4
.....
I hope this is right.. If not I am sorry....
The circle ones'....... R is 6 /2 =3
3.14 times 3 to the second power...
You get 3.14 X 3 to the second = 28.26
Then 3.14 X 3 second = 28.26.....
28.26=28.26... I hope this helped.
Question3)
a=2
b= 5
c= square root of x +2
Question4)
a=11/4
b= undifined