A group of people were asked if they had run a red light in the last year. 248 responded "yes", and 106 responded "no".
1 answer:
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Answer:
Part 1) The expression for the perimeter is or
Part 2) The perimeter when z = 15 ft. is
Step-by-step explanation:
Part 1)
we have
Find the roots of the quadratic equation
Equate the equation to zero
Complete the square
Group terms that contain the same variable, and move the constant to the opposite side of the equation
Factor the leading coefficient
Complete the square. Remember to balance the equation by adding the same constants to each side
Rewrite as perfect squares
-----> root with multiplicity 2
so
The area is equal to
The length side of the square is
therefore
The perimeter is equal to
Part 2) Find the perimeter when z = 15 ft.
we have
substitute the value of z
Answer:
D,
Step-by-step explanation:
Separate -1, 2, and 100 from each other inside the radical. You can take out -1 as <em>i</em>, and 100 as 10. You now have 10<em>i</em> on the outside of the radical and 2 on the inside. Hope this helps.