Did you know?
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
Did you know?
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Did you know?
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
When the United States gets stuck over a controversial issue—usually something a divided Congress ca
How to solve optimization problems in calculus (Question 8)
How to solve any percent concentration problem
Please solve this quadractic question
Please solve this quadractic question
X^4-2x^3-3x^2+4x+4=0 Solve the following equation