Answer:
The value is 
Step-by-step explanation:
Generally the productivity rate is mathematically represented as
Here K is the ha the farmer could harvest in an hour and Z is a typical yield of corn in kg/ha
Now considering 1970
The productivity rate is
=> 
Now considering 1940
The productivity rate is given as 
Generally the productivity ratio is mathematically ration is mathematically represented as
=> 
=>
Answer:
the 3rd A
Step-by-step explanation:
ABACB = 5 altogether
ABACB ABA = 8
Answer:
a. it is arithmentic - this is because for each term there is a constant increase of 4, and the change between each term <u>doesn't change</u>
b. you need to find the nth term, by using the equation difference x n + 0th term: the difference is (+)4 and the 0th term is -9 (-5 is the 1st term, so to go one back we subtract 4 - the inverse operation), so the nth term is 4n -9. Now we do the inverse operation on 119 to see if it's a term (it is a term if it's an integer. So, first we do 119 <u>plus</u> 9 (inverse of - 9) to get 128, then divide it by 4 rather than multiplying. This gives us 32, and that tells us that 119 is the 32nd term of the sequence.
Top left graph. Shows every gallon of gas gets 25 miles.
104/-120
=-13/15
Devishri1977 gave a better example of how she got to the answer
