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2 answers:
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Answer:
y = - 2
Step-by-step explanation:
Calculate the slope m using the slope formula
m = ( y₂ - y₁ ) / ( x₂ - x₁ )
with (x₁, y₁ ) = (- 1,2) and (x₂, y₂ ) = (4, y)
m = , hence
= -
( cross- multiply )
5(y - 2) = - 20 ( divide both sides by 5 )
y - 2 = - 4 ( add 2 to both sides )
y = - 2
coordinates of point are (4, - 2)
Answer: Percent of people who had a mild allergic is 0.6%.
Step-by-step explanation:
Since we have given that
Total number of people try a new shampoo = 7000
Number of people had a mild allergic reaction = 42
We need to find the "Percentage of people had a mild allergic":
Percentage of people had a mild allergic is given by
Hence, Percent of people who had a mild allergic is 0.6%.