What is the slope of A?
1 answer:
Answer:
In the pic
Step-by-step explanation:
The dots that I used are from counting squares on A
* m = slope
* it's doesn't matter how you label each dot, you will get the same answer in the end.
JUST MAKE SURE THAT YOU DON'T MIX UP THE COORDINATES !!!
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below
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Answer:
The percentage increase in bird population in the second years is 4% .
Step-by-step explanation:
Given as :
During two years, the population of birds of an island became 7 times more than before.
The the percentage increase in first year = = =40%
Let The percentage increase in second year = = r%
So, According to question
The initial population of bird = x
The increase population of bird =7 times before = 7 x
Now,
The increase population of bird = initial population of bird × (1+ ) × (1+
)
Or, 7 x = x × (1+ ) × (1+
)
Or, = 1.4 × (1+
)
Or, 7 = 1.4 × (1+ )
Or, = (1+
)
Or, 5 = (1+ )
Or, (1+ ) = 5
Or, = 5 - 1
Or, = 4
∴ r = 4 × 100
I.e r = 400
so, The percentage increase = r% = 4
Hence The percentage increase in bird population in the second years is 4% . Answer