Answer:

Step-by-step explanation:
Expression for the rectangular area and perimeter are, respectively:


After some algebraic manipulation, area expression can be reduce to an one-variable form:


The first derivative of the previous equation is:

Let the expression be equalized to zero:


The second derivative is:

According to the Second Derivative Test, the critical value found in previous steps is a maximum. Then:

The maximum area is:


Answer:
awe can i have all of your points??
Step-by-step explanation:
Step-by-step explanation:
Given,
AC=AD and ang CBA = ang BAD
To prove : Triangle ABC is congruent to Triangle ABD
Proof
Statements Reasons
1. In triangle ABC and 1.
Triangle ABD
i) AC = AD (S) i) Given
ii)ang CAB=ang BAD (A) ii) Given
iii) AB = AB (S) iii)common sides
2. Triangle ABC is
Congurent to triangle
ABD
2. From SAS fact
Answer:
false
Step-by-step explanation:
Answer: ![x=\sqrt[3]{-15}](https://tex.z-dn.net/?f=x%3D%5Csqrt%5B3%5D%7B-15%7D)
Step-by-step explanation:
x^3 = -15
![x=\sqrt[3]{-15}](https://tex.z-dn.net/?f=x%3D%5Csqrt%5B3%5D%7B-15%7D)