The square of a binomial is a pattern you would do well to remember.
.. (x +y)^2 = x^2 +2xy +y^2
Your expression has x^2 = 25a^2, so x = 5a. It also has y^2 = (b^2)/4, so y = b/2.
then the middle term is
.. 2xy = 2(5a)(b/2) = 5ab
The trinomial is
.. 25a^2 +5ab +(1/4)b^2 = (5a +b/2)^2
3x + 6= -1 - 3 + 4x
combine like terms
3x + 6= -4 + 4x
subtract 3x from both sides
6= -4 + x
add 4 to both sides
10= x
ANSWER: x= 10; This equation has one answer.
Hope this helps! :)
Step-by-step explanation:
Continuous exponential growth model:
Where α is the growth rate parameter.
So if t is the starting point and t+t1 is the point that population is doubled:
So:
And as a result, t1, the time needed for the population to double at ANY given point is equal to:
Answer:
8
Step-by-step explanation:
let the numbers be x,x+1,x+2
x+x+1+x+2=27
3x+3=27
3x=27-3=24
x=24/3=8
