Pythagorean theorem is a^2 + b^2 =c^2 4)8.9
5)6.7
Answer: 20%
Step-by-step explanation:
Explanation is in progress of writing:
First, I will divide 60 by 75 and multiply by 100, to find what percent of 75 is 60:
=
· 100
= 0.8 · 100
= 80%
Answer:

Step-by-step explanation:
From the diagram you can see that
- 17 people watch only basketball;
- 7 people watch both basketball and soccer;
- 12 people watch only soccer;
- in total, 17+7+12=36 people watch some sports;
- so, 49-36=13 people do not watch sports.
So, you can fill the table in following way

Answer:
b=128
Step-by-step explanation:
b÷4+16=48 isolate b
b÷4= 32
b= 128