Step-by-step explanation:
total students=99
finished entering marks =9\11
let the entered number be x
now,
"x=9\11×99
x=9×9
x=81
again,
99-81=18
the remaining number of students is 18
Answer:
The answer is 2 6/8
Step-by-step explanation:
Answer:

Step-by-step explanation:





Answer:
<h3>
x = 2</h3><h3 />
Step-by-step explanation:
use Pythagorean theorem:
a² + b² = c²
where a = x
b = 8/2 = 4
c = √20
plugin values into the formula:
x² + 4² = (√20)²
x² + 16 = 20
x² = 20 - 16
x = √4
x = 2