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vodka [1.7K]
3 years ago
13

I already know the answer but I need someone to explain to me how to get the answer. You get 50 POINTS

Mathematics
1 answer:
Semmy [17]3 years ago
3 0

Answer: look at the graph it shows you the answer

Step-by-step explanation:

can i get a brainliest

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20 points and brainlyest to who answers this first in a well format!
djverab [1.8K]

Answer:

in the forth line of the equation it should be this

-6x+10=4x+20

-6x-4x=20-10

-10/-10x=10/-10

x=-1

5 0
2 years ago
If L=√(x^2+y^2), dx/dt =-4, dy/dt=3, find dL/dt when x=4 and y=3
yulyashka [42]

Hello,

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
A water truck is filling a swimming pool. The equation that represents this relationship is y = 19.75x where y is the number of
Degger [83]

Answer:

Step-by-step explanation:

1. true

2. true

3. true

4. true

5. true

5 0
2 years ago
PLEASE HELP :’( last one
valina [46]

Answer:

A.3

Step-by-step explanation:

5 0
2 years ago
Which of the following lines are shown in the drawing?
scZoUnD [109]

Answer:

  • A, B, D

Step-by-step explanation:

According to the drawing we can see the lines

  • A) LI, yes
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  • E) FA, no
8 0
2 years ago
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