Answer:



Step-by-step explanation:
Given
See attachment for cumulative frequency histogram
Solving (a): Swimmers between 200yd and 249yd
To do this, we simply read the data from the 0 mark
From the histogram, we have:

and

So:

This gives:


Solving (b): Swimmers between 150yd and 199yd
To do this, we simply read the data from the 0 mark
From the histogram, we have:

and

So:

This gives:


Solving (c): Total swimmers
To do this, we simply read the longest bar of the histogram

Hence:

Answer:
Triangle 1(ABC) and Triangle 3(XYZ) are similar since all their angles are equal
In Traingle XYZ m of angle Y is 85 degree..
Hope it helps u...
I got -17; hoped you liked it
Answer:
B
Step-by-step explanation:
multiply 18% and 220 which is 39.6
subtract 39.6 from 220 which is 180.4
simplify
Answer:
7.72 * 10^15
Step-by-step explanation:
8*10^15 - 2.8*10^14 = 7.72 * 10^15