Answer:
3/4b−2/3b=−9 = -108. so, i just used equivalent fractions of both of those numbers :D
Step-by-step explanation:
6/8b - 4/6b = -9
Answer:3
Step-by-step explanation:
Given
There are total 40 students in a class
No of students with Pierced Nose n(N)=7
No of students with Pierced ear n(E)=36
and we know using sets

where
Students either nose or ear Pierced
no of students having both nose and ear pierced


Answer:
45
Step-by-step explanation:
(27*27)+(36*36) = 2025
square root 2025 and you get 45
to check 45*45=2025
the answer is 8.962790 because it is rounded to the nearest millionth
I hope this helps you