Answer:
1823
Explanation:
just look that one up it is easy to look up stuff for history
1840s
Factory-made agricultural machinery increases farmers' need for cash and encourages commercial farming
1841
Practical grain drill patented
1842
First grain elevator, Buffalo, NY
1843
Sir John Lawes founded the commercial fertilizer industry by developing a process for making superphosphate
1844
Practical mowing machine patented
1847
Irrigation begun in Utah
1849
Mixed chemical fertilizers sold commercially
Answer:
Congress subsequently authorized various defense measures, including the creation of the Department of the Navy and the construction of warships. Then, in July 1798, it authorized American ships to attack French vessels, launching an undeclared naval war that came to be referred to as the Quasi-War.
Explanation:
An average of every 3 game Jackie Robinson hits a baseball.Hitting a ball during his career is 0.31.
Explanation:
- Mean is the measure of central tendency.
- It gives a single value of a whole data.
- Average time Jackie hits a baseball is 3.
- Total number of times a person comes to bat/hit a baseball.
- Probability is an uncertainty principle.
- There are number of outcomes in probability.
- example toss a coin,role a dice, next rainy day.
- There three types of probability.
- Classical,Empirical and subjective.
- Experimental probability is an event of out come.
- Probability is always between 0 to 1 . It can never go beyond 1.
- Formula for experimental is total events / number of trials.
- Hit ball by batting times.
