Shyama is an upcoming organic farming researcher. She planted Heena shrubs in a straight line at a distance of 2m along the boundary of her triangular field. The diagram shows the plants at the edge of the field.
On Day 1, one of the plants in the middle of one side gets infected with a virus (V).
On Day 2, that plant is dead (D) and the virus infects the plants next to it.
This continues from day to day so this is the pattern on Day 3.
The diagram shows that the virus infects two more plants on day 3.
So the total number of plants that are infected or dead is five.
Question 2
Find a formula for t in terms of n
Answers
Answer:
t = 2n-1
Step-by-step explanation:
t is the no. of dead or infected plants
and n is the day number
lets verify the formula by example:
take n=3,so:
t=2(3)-1
t=6-1
t=5
since the answer is correct according to question.
therefore, t=2n-1 is the answer.
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Answer:
Step-by-step explanation:
Concept:
A production approach known as "organic farming" forgoes or mainly forgoes the use of synthetically formulated fertilizers, herbicides, growth regulators, genetically modified organisms, and additives to livestock feed. Crop rotations, the use of crop residues, animal manures, legumes, green manures, off-farm organic wastes, biofertilizers, mechanical cultivation, mineral-bearing rocks, and elements of biological control are all utilized to the fullest extent possible in organic farming systems to maintain soil productivity and tilth, supply plant nutrients, and control insects, weeds, and other pests.
Given:
the total number of plants that are infected or dead is five.
Find:
formula for t in terms of n.
Solution:
given that
The number of sick or dead plants is t.
n is the day's number, too.
Let's use an example to illustrate the formula:
if n=3, then:
Since the correct answer is according to the question
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