$L=\sqrt{x^2+y^2} \\\\\dfrac{dx}{dt}=-4\\\\\dfrac{dy}{dt}=3\\\\x=4, y=3\\\\\dfrac{\partial L} {\partial x} =\dfrac{x}{\sqrt{x^2+y^2}} \\\\\dfrac{\partial L} {\partial y} =\dfrac{y}{\sqrt{x^2+y^2}} \\\\\dfrac{dL}{dt} =\dfrac{\partial L} {\partial x}*\dfrac{dx}{dt}+\dfrac{\partial L} {\partial y}*\dfrac{dy}{dt}\\\\=-4*\frac{-4}{\sqrt{4^2+3^2}} +3*\frac{3}{\sqrt{4^2+3^2}}\\\\=\dfrac{16}{5} +\dfrac{9}{5} \\\\=5\\$

5 0

2 years ago

HELP HELP HELP HELP WILL GIVE BRAINLIEST<br><br>4a^2 - b^2 - 2a + b<br>factor

Roman55 [17]

Answer:

4a2−b2−2a+b, there are no factorable rational numbers.

Step-by-step explanation:

4 0

2 years ago

Work Out (10-3x2) to the power of two

Serga [27]

Answer:

Step-by-step explanation:

(10-6)^2

4^2=16

3 0

2 years ago

Let $x_1,$ $x_2,$ $x_3,$ $x_4,$ $x_5$ be distinct positive integers such that $x_1 + x_2 + x_3 + x_4 + x_5 = 100.$ Compute the m

nikdorinn [45]

Answer:I have no idea

Step-by-step explanation:

4 0

2 years ago