Answer:
A has 1 solution which is (10,300) B has no solution.
Step-by-step explanation:
Graph A has 1 solution because the definition of a system is where two lines cross which has a 1 point that shows.
Graph B has no solution because nothing is intersecting to become a solution nor system. This system shall no have infinite but rather no because again, the two lines don't meet.
The answer is, none because they are both different substances.
The feed conversion ratio is defined as the ratio of the total feed intake to the average weight of the animal.
The formula is given as:
Total feed intake(kg) / Average weight (kg)
Total feed intake = 2.7kg
Average weight = 1.9 kg
Hence,
Feed Conversion Ratio = 2.7kg/1.9kg
= 1.421
The correct option is a
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For the marigolds
M = 150(0.85)^x where x is the number of months
For sunflowers
S = 125 - 8x where x = number of months
Part B
after 3 months there are 150(0.85)^3 = 92 marigolds
after 3 moths there are 123 - 8*3 = 99 sunflowers
Part C
There are the same number of plants when the 2 functions are equal:-
So we have 150(0.85)^x = 125 - 8x
solving this for x is not straight forward . it could be done by drawing 2 graphs and seeing where they intersect.
They come close to being equal after 2 months and after 14 months
Check out the graph on
www.desmos.com/calculator/i3m55hb2i3
The answer is 15. Explanation: The area formula for a square is length x width. In this case squares have all equal sides so 15 x 15 is 225.