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777dan777 [17]
3 years ago
14

Which of the following describes the work of an agronomist?

Geography
1 answer:
BlackZzzverrR [31]3 years ago
3 0
An agronomist, or crop scientist, studies plants and how they can be grown, modified, and used to benefit society. They use science to carry out experiments that create new techniques for agriculture production.

The answer is the first option.
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What is (2n-9)-(-2.4n+4)
Neko [114]

Answer:

 22n - 65

 ————————

    5  

Explanation:

Changes made to your input should not affect the solution:

(1): "2.4" was replaced by "(24/10)".

STEP

1

:

           12

Simplify   ——

           5  

Equation at the end of step

1

:

                     12          

 (2n - 9) -  ((0 -  (—— • n)) +  4)

                     5            

STEP

2

:

Rewriting the whole as an Equivalent Fraction

2.1   Adding a whole to a fraction

Rewrite the whole as a fraction using  5  as the denominator :

        4     4 • 5

   4 =  —  =  —————

        1       5  

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2       Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

-12n + 4 • 5     20 - 12n

————————————  =  ————————

     5              5    

Equation at the end of step

2

:

             (20 - 12n)

 (2n - 9) -  ——————————

                 5      

STEP

3

:

Rewriting the whole as an Equivalent Fraction :

3.1   Subtracting a fraction from a whole

Rewrite the whole as a fraction using  5  as the denominator :

              2n - 9     (2n - 9) • 5

    2n - 9 =  ——————  =  ————————————

                1             5      

STEP

4

:

Pulling out like terms :

4.1     Pull out like factors :

  20 - 12n  =   -4 • (3n - 5)  

Adding fractions that have a common denominator :

4.2       Adding up the two equivalent fractions

(2n-9) • 5 - (-4 • (3n-5))     22n - 65

——————————————————————————  =  ————————

            5                     5    

Final result :

 22n - 65

 ————————

    5    

6 0
2 years ago
The plane trip from Boston to San Francisco takes six hours you leave Boston at 8:00 AM what time will it be in Boston when you
erastovalidia [21]
 It would be 2:00 Pm in Boston
7 0
3 years ago
Compare 4:10 and 12:20 using fractions. Which ratio is smaller? How do you know?
djverab [1.8K]
The given information is expressed in ratio. However, a ratio is basically a fraction. So, 4:10 is just equal to 4/10 or 2/5 in simplified terms. Similarly, 12:20 is just equal to 12/20 or 6/5 in simplified terms. The smaller ratio is 2/5 because the numerator is less than the denominator. So, it follows that the answer is less than 1. The other ratio has a much greater numerator. So, we would expect that that would be greater than 1.
3 0
3 years ago
Read 2 more answers
How can rivers provide resources?
posledela

Answer:

D

Explanation:

5 0
3 years ago
Which of the following is NOT a musculoskeletal disorder or injury from ergonomic hazards?
AnnyKZ [126]
Work-related musculoskeletal disorders (WMSDs<span>) are a group of </span>painful<span> disorders of muscles, tendons, and nerves. Carpal tunnel syndrome, tendonitis, thoracic outlet syndrome, and tension neck syndrome are examples.

</span>
4 0
3 years ago
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