Direct message me for the answer (moderator)
10 40 400
20 30 600
25 25 625
35 15 525
40 60 2400
I think
Step-by-step explanation:
Total students-30
No.of students pass their English test-24
24/30 X 100=80%
So,80%students pass their test
Step-by-step explanation:
5x^2+2x=1
5x^2+2x-1=0
x=-b+/-√b^2-4ac÷2a
x=-2+/-√-2^2-(4×5×-1)÷2×5
x=-2+/+√4--20÷10
x=-2+/-√24÷10
x=-2+√24÷10 or -2-√24÷10
x=-2+4.9÷10 or -2-4.9÷10
x=2.9÷10 or -6.9÷10
x=0.29 or -0.69
