Weighted Averages

From a practice test website... How do you solve this? For the life of me I can't get it!! 2. At a certain high school, the respective weights for the following subjects are: Mathematics 3, English 3, History 2, Science 2 and Art 1. What is a student's average whose marks were the following: Geometr...

The plan assumes "that steadily rising insurance rates would allow the company to pay off the debt within five years." (B) New government regulations require a 30 percent across-the-board rate rollback of all insurance companies, to begin immediately and to be completed within a five-year ...

sudhir3127 wrote:can u explain how u got 12 when the length of the arc is given as 24?

Here is the proof in a nutshell: You have two isoceles right triangles after drawing an imaginary line through P and Q. The two new triangles are (0,0), (-sqrt(3),1) and (1,0) and (0,0), (s,t) and (1,0) The length of one side of the triangle is 1. The hypotenuese is sqrt 3. Therefore the length of t...

tanya82: I’ve been diligently practicing the critical reasoning questions for a while now and noticed that when I am stuck between 2 choices of the 5, I end up selecting the incorrect choice. jslavi01: I think you should look for an eenie-meenie-miney-moe technique that more often than not selects t...

I think the answer is E. The author's argument is manatees are unable to hear low-pitched sounds and a boat’s sound lowers in pitch as the boat slows When experimenters exposed manatees to the recorded sounds of boats moving at various speeds, the creatures were unable to discern the sounds over nor...

All we're looking at is a cause for decline in lyme disease among ticks and humans. The less likely ticks are to feed on whitefooted mice, the less likely they are to carry lyme disease, the less likely humans are to get it. C) If a deer tick feeds once and only once during the larval stage (when th...