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Mice21 [21]
3 years ago
9

Im confused and i need some help

Mathematics
2 answers:
lesantik [10]3 years ago
6 0

Answer:

.2, .4, .44, .12, I'm too lazy to do the rest

Step-by-step explanation:

Effectus [21]3 years ago
4 0

Answer:

12. 20%

13. 40%

14. 44%

15. 12%

16. 58%

17. 264%

18. 305%

19. 170%

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A car traveled 11.5 miles in 15 minutes. How many miles per hour was it traveling?
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z=f(x(u,v),y(u,v)),\begin{cases}x(u,v)=2u+v^2\\y(u,v)=3u-v\end{cases}

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By the chain rule, we have

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and

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Then

\dfrac{\partial z}{\partial v}(1,2)=\dfrac{\partial z}{\partial x}(6,1)\dfrac{\partial x}{\partial v}(1,2)+\dfrac{\partial z}{\partial y}(6,1)\dfrac{\partial y}{\partial v}(1,2)

(because the point (x,y)=(6,1) corresponds to (u,v)=(1,2))

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3 years ago
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Step-by-step explanation:

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