B. Weighted GPA
You see the unweighted is considered the college GPA and removes all AP, IB, or Honors clasess and puts all college applicants on the same level, cumulative GPA is wrong and doesn't make any sense with relation to the question, and the semester GPA wouldn't technically include the extra 10 points that these classes give.
Answer
B) 2041
Explanation:
The rate of growth per year is 1.2% which means after first year the population will be
7+ 7×(1.2/100)
After second year
7×1.012 +7×1.012 (1.2/100)
=7×1.012 (1+1.2/100)
=7×1.012 (1.012)
=7×1.012 ×1.012
Similarly, after third year it will be as:
=7×1.012 ×1.012 ×1.012
So our after x year the growth will be
7 (1.012)^x
We need to find, when the value will be 10 billion so our equation will be as:
10=7×(1.012)^x
We can solve it easily here.
10/7= (1.012)^x
Take log on both sides
㏒ 10/7 = ㏒(1.012^x)
㏒ 10/7 = ㏒(1.012^x)
㏒ 10/7 ÷㏒(1.012) = x
x =29.90 ≈ 30
Conclusion:
So it will take 30 years to take the world population to reach 10 billion if the rate of growth is 1.2%. Thus 2011 + 30 = 2041 is the correct answer.
C. interlocking crystalline
It would be D. The bystander effect. It takes some time before anyone helps because they might assume he will get up on his own ok, that someone else will help, or maybe didn't see what happen and are waiting for someone else to take control. The more people their are, the more likely this is to happen. It's not really our fault, it's just something we do in a unexpected situation. :)
The oceanic crust is the least dense
