Answer:
Ratio 320:480
Step-by-step explanation:
please let me know if i got it right if not i'm really sorry :(
Equation is (x+2)^2 - x^2 = 7676
solve the equation by first opening the bracket of (x+2)^2 by A^2 + 2AB +C^2
you'll end up with 4x + 4 = 7672
thus x = 1918 and the next number is 1920.
Answer: A- 2/3
Step-by-step explanation:
Possible outcomes when a coin is tossed 3 times is 1/2 + 1/2+ 1/2= 3/2
Probability of getting exactly one tail=
3/2x=1
x=1÷3/2
=1 ×2/3
=2/3