Answer:
These numbers are the Powers of Two
Beginning with term #1 = 2, the next term is always 2 times the PRECEDING term.
Second term is two squared, or 2 times 2, namely four.
Third term, multiply that four by two, giving eight, also known as two cubed.
Fourth term is twice as much, namely sixteen.
Just keep on doubling!
Step-by-step explanation:
Answer:
it's 3/5
Step-by-step explanation:

Answer:
The ratio of geckos to lizards is 1:3
So, that means 1/(3+1) of the animals are geckos.
1/4 of the reptiles are geckos.
And, there are 20 geckos.
Let me know if you have any other questions!
Answer:
I think it would be 100%
Step-by-step explanation: because it is certain that means its going to happen
Answer:
25/4 or 6.25
Step-by-step explanation:
Given that the general equation of a quadratic equation is given as ax^2 + bx + c = 0, to complete the square, we subtract c from both sides of the equation and add the square of (b/2a) to both sides.Hence given x^2-5x-19=0, to complete the square, we add (-5/2)^2 to both sides following the illustration given.This is 25/4 or 6.24