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taurus [48]
3 years ago
6

HELP ME!!! 25 POINTS

Mathematics
2 answers:
kramer3 years ago
7 0

Answer:

P= 25 x t

Step-by-step explanation:

yKpoI14uk [10]3 years ago
3 0

Answer:

P=t*25

Step-by-step explanation:

1*25=25

2*25=50

3*25=75

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nikdorinn [45]

Answer:

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x+2a-b=5x-a+2b

5x-x=2a-b+a-2b

4x=3a-3b

4 x=3(a-b)

x=3/4(a-b)

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Each set of ordered pairs represent a function. writ a rule that represents the function. can you help? (0,1) (1,3) (2,9) (3,27)
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Find the directional derivative of f(x,y,z)=z3−x2yf(x,y,z)=z3−x2y at the point (−5,5,2)(−5,5,2) in the direction of the vector v
olga_2 [115]

We are given

f=z^3 -x^2y

Firstly, we can find gradient

so, we will find partial derivatives

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f_x=-2xy

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f_y=-x^2

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now, we can plug point (-5,5,2)

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so, gradient will be

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now, we are given that

it is in direction of v=⟨−3,2,−4⟩

so, we will find it's unit vector

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|v|=\sqrt{29}

now, we can find unit vector

v'=(\frac{-3}{\sqrt{29} } , \frac{2}{\sqrt{29} } , \frac{-4}{\sqrt{29} })

now, we can find dot product to find direction of the vector

dir=(gradf) \cdot (v')

now, we can plug values

dir=(50,-25,12) \cdot (\frac{-3}{\sqrt{29} } , \frac{2}{\sqrt{29} } , \frac{-4}{\sqrt{29} })

dir=(-\frac{150}{\sqrt{29} } - \frac{50}{\sqrt{29} } - \frac{48}{\sqrt{29} })

dir=-\frac{248\sqrt{29}}{29}.............Answer



7 0
4 years ago
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Answer:

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