Answer:
given below
Step-by-step explanation:
Valid:
- n * 5 = 5n .....1st option
- n(1+1+1+2) ........4th option
- n * 5 = 5n ............5th option
- 1*n+1*n+1*n+2*n ........sixth option
Invalid:
- 1(n + 2n) ............3rd option
- 0*n+0*n+0*n+2*n ...............2nd option
Answer:
(n-1)/2n
Step-by-step explanation:
½(1 - 1/n)
(n-1)/2n
Answer:
9/16 ÷ 5/8 = 9/16 × 8/5. ?
Step-by-step explanation:
The answer is B
Not sure but sorry if wrong, I can explain how I got it if you want
I would have to say that the angle is 61 degrees but this may not be correct so you know <span />