The unit rate of road construction is 2 miles per day.
Step-by-step explanation:
Given,
In days
miles road is constructed.
To find
The rate of road constructed per day
Method
We will apply unitary method to solve it.
Now,
In days
miles road is constructed.
In 1 day the road will be constructed = ÷
miles
= 2 miles
Answer:
c =
Step-by-step explanation:
Given
R=
Clear the radical by squaring both sides
R² = b² - 4ac ( subtract b² from both sides )
R² - b² = - 4ac ( multiply all terms by - 1 )
b² - R² = 4ac ( divide both sides by 4a )
= c
Answer:
Step-by-step explanation:
The concept of binomial probability is applied.
Mathematically from binomial probability ; (nCx)px(1−p)(n-x)
The detailed step by step is as shown in the attachment
