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erastova [34]
3 years ago
14

How to solve 9x-4 when x= 2/3

Mathematics
2 answers:
worty [1.4K]3 years ago
4 0

Answer:

2   i hope this helps!   :)

Step-by-step explanation:

given x = 2/3 and 9x-4

distribute the 2/3 into the 9   9 * 2/3 = 6

6 - 4 = 2

Readme [11.4K]3 years ago
3 0

Answer:

2

Step-by-step explanation:

9(2/3)-4

2/3 of 9 is 6

6-4=2

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sp2606 [1]

Answer:

The volume is decreasing at a rate 20π cubic meter per hour.

Step-by-step explanation:

We are given the following in the question:

The radius is increasing at a rate 1 meter per hour.

\dfrac{dr}{dt} = 1\text{ meter per hour}                

The height is decreasing at a rate 4 meter per hour  

\dfrac{dh}{dt} = -4\text{ meter per hour}

At an instant time t,

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Volume of cylinder =

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Rate of change of volume is given by:

\dfrac{dV}{dt} = \dfrac{d(\pi r^2 h)}{dt}\\\\\dfrac{dV}{dt} = 2\pi rh\dfrac{dr}{dt} + \pi r^2\dfrac{dh}{dt}

Putting all the values we get,

\dfrac{dV}{dt} = 2\pi (5)(8)(1) + \pi (5)^2(-4)\\\\\dfrac{dV}{dt} = 80\pi - 100\pi = -20\pi \approx -62.8

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3 0
3 years ago
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Answer:

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Step-by-step explanation:

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nika2105 [10]

Answer:

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
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