What is the missing constant term in the perfect square that starts with x^2+2x?
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<h3><u>Question:</u></h3>
The rectangle below has an Área of x^2 + 11x + 28 square meters and a length of x+7 meters. What expression represents the width of the rectangle?
<h3><u>Answer:</u></h3>The expression representing width of rectangle is (x + 4) meters
<h3><u>Solution:</u></h3>Given that rectangle has an area x^2 + 11x + 28 square meters and a length of x + 7 meters
To find: width of the rectangle
<em><u>The area of rectangle is given as:</u></em>
Here area = x^2 + 11x + 28 square meters
length = x + 7 meters
<em><u>Substituting the values in given formula,</u></em>
Cancelling (x + 7) on numerator and denominator,
Thus expression representing width of rectangle is (x + 4) meters
Answer:
Infant mortality will reduce to 33% in 1.63 years
Step-by-step explanation:
Let the population be X
Population after 1 year
% of
As we know
Substituting the given values we get -
Taking log on both sides we get -