Answer: There are 19 classes
Step-by-step explanation:
divide the total amount amount of students by the amount of students in each class
It’s B thank you can I plz have brainlist plz
6/9 is equal to 2/3 is equal to 4/6. Equivalent fraction visually. Equivalent fractions on the number line. Equivalent fractions on the number line.
Answer:
Radius, r, is 3.75
Step-by-step explanation:
From the given diagram,
AB = 9
AC = 6 + r
BC = r
Thus applying the Pythagoras theorem, we have;
=
+ 
=
+ 
36 + 12r +
= 81 + 
collecting like terms,
12r = 81 - 36
12r = 45
r = 
= 3.75
r = 3.75
The radius is 3.75.