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3 years ago

10

Free points here ily stay safe <3 be positive spread kindness

2 answers:

agasfer [191]3 years ago

8 0

Answer:

Wow, you said to spread kindness, but weren't you the one who bully others? You gave me bad answers. The answers you gave me looked as if you smashed your head on the keyboard. You did that TWICE. Then, you gave me harsh comments about me "stealing" someone's answers and that you didn't care about answering incorrectly on purpose. To me, you don't know anything about kindness... That's all I have to say for now.

Elis [28]3 years ago

3 0

Answer:

You stay safe as well my friend!

Step-by-step explanation:

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165 is what i got
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3 years ago

Which of the following equations have no solution? Check all that apply.

stealth61 [152]

6x+1 = 3(2x-4)
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3 years ago

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If y = 3x^3 - 2x and dx/dt equals 3, find dy/dt when x = -2. Give only the numerical answer. For example, if dy, dt = 4, type on

Nadya [2.5K]

Answer:

$\frac{dy}{dt} = 102$

Step-by-step explanation:

<u>step(i)</u>

Given function y = 3 x³ - 2 x ... (i)

Differentiating equation (i) with respective to 'x'

$\frac{dy}{dx} = 3 (3 x^{2} ) - 2(1)$

Given x = -2

$(\frac{dy}{dx} ) x_{=-2} = 3 (3 (-2)^{2} ) - 2(1)$

$(\frac{dy}{dx} ) x_{=-2} = 36 -2 =34$

<u><em>Step(ii):-</em></u>

<u><em>we know that </em></u>

$\frac{dy}{dx} = \frac{\frac{dy}{dt} }{\frac{dx}{dt} }$

Given $\frac{dx}{dt} = 3 and \frac{dy}{dx} = 34$

$\frac{dy}{dx} = \frac{\frac{dy}{dt} }{\frac{dx}{dt} }$

substitute values $\frac{dx}{dt} = 3 and \frac{dy}{dx} = 34$

⇒ $34 = \frac{\frac{dy}{dt} }{3 }$

cross multiplication , we get

$\frac{dy}{dt} = 34( 3 ) = 102$

<u><em>Final answer</em></u>:-

$\frac{dy}{dt} = 34( 3 ) = 102$

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3 years ago

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(Step-by-step explanation:

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Explanation:

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