# What was Abraham contribution?

Abraham who? Abraham Lincoln? Abraham from the Bible, the founding patriarch of the Israelites? Abraham Smith who owns the deli on 25th street?

### What is Abraham Maslow contribution to management theory?

Abraham Maslow's main contribution to Management Theory is in regards to motivation. His humanistic approach challenged the scientific view that money was the only way to motivate someone. He believed that each person was good-natured and just needed a personal motivator to do what needed to be done.

### What was Abraham de Moivre's contribution to the field of mathematics?

Abraham de Moivre was a French Mathematician (1667-1754).He was a protestant and came to London.His contribution to mathematics was in the mathematical branch in Statistics and derived (De Moivre's theorm)- the poisson distribution and hypergeometrical distributions on statistics,the derivation of probability density function of the normal distribution distribution in statistical analysis.

### What did Abraham Lincoln contribute to America?

He finished slavery in America which benefits African Americans. Coming from a lower strata of society, Abraham Lincoln ushered in a new era in the history of America. His greatest contribution to America was to fasten the chains tied in the legs of the slaves for 200 years.His administrative capability,philosophical thoughts were unique. I recapitulate his letter 'From a Father to a Teacher' in high esteem.

### How do the formulas differ for contribution margin per unit and contribution margin ratio?

Contribution margin per unit = Contribution margin / number of units of products Contribution margin ratio = Contribution margin / Net sales The formula is different for both situations because contribution margin per unit calculates the contribution margin for one unit of product while contribution margin ratio calculates the contribution margin for total overall sales as overall sales may be included different mix of products with diff rent fixed and variable costs that's why both…