Answer:
We're looking for a,b such that
\dfrac{9x-20}{(x+6)^2}=\dfrac a{x+6}+\dfrac b{(x+6)^2}
Explanation:
The first people known to explore the Red Sea were the Ancient Egyptians, who explored the area c. 2500 BC while looking for commercial routes southward. So how did the Red Sea get its name? Theories abound, but no one knows for sure.
It could be from the red-hued "sea sawdust," a type of bacteria that grows near the water's surface. Some historians believe the Red Sea is named for the Himyarites, a group who once lived along it's shores. Others believe that the "red" in Red Sea is actually a designator of the Sea's location relative to the ancient Mediterranean world - to the South. In ancient languages, the colors black, red, green, and white referred to North, South, East, and West, respectively.
Answer:
The cotton gin was a very important technological adcance in the industrial revoulution because it significantly increased the coton production.
Explanation:
Answer:
1 error that he made was mistaking North America for India.
Explanation:
That error was historically significant because it is very famous and it helped him to stay in North America more and explore more quicker. It changed the dates of exploration, basically.