Answer:
<em>15m+13</em>
Step-by-step explanation:
<em>The perimeter of a triangle is the sum of all sides.</em>
<em />
Answer: 
<u>Step-by-step explanation:</u>
To find the tangent, you need to find the derivative with respect to x.
Then substitute x = 1 into the derivative.
Given: 0 = 2x² - xy - y²
Derivative: 0 = 4x - y' - 2yy'
Solve for y': 2yy' + y' = 4x
y'(2y + 1) = 4x


Answer:
1.125
Step-by-step explanation: