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snow_lady [41]
2 years ago
11

3/2k - 9 = 1/8K + 2 I need to find what k is

Mathematics
1 answer:
gizmo_the_mogwai [7]2 years ago
8 0

Answer:

= 8

Step-by-step explanation:

Combine multiplied terms into a single fraction

Multiply by 1

Add 9 to both sides of the equation

Simplify

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Implicit differentiation in terms of x and y
Volgvan
For implicit differentiation, you are using the chain rule
f'(x) = g'(u(x))* \frac{du}{dx}
Except u(x)  = y, So after every "y" term is differentiated it will be multiplied by dy/dx.

17) y^3 +4 = 3x \\ 3y^2 \frac{dy}{dx} +0 = 3
Then you solve for dy/dx as if its a variable.
\frac{dy}{dx} = \frac{3}{3y^2} = \frac{1}{y^2}

18)  Here lets review product rule:
(fg)' = f'g + fg'
Take derivative of each term
2x^2 = -3y^3 +3x^2y^3  \\ 4x = -9y^2 \frac{dy}{dx} + (6x)(y^3) + (3x^2)(3y^2 \frac{dy}{dx})  \\ 4x = -9y^2 \frac{dy}{dx} +6xy^3 +9x^2y^2 \frac{dy}{dx}
Solve for dy/dx using factoring:
4x - 6xy^3 = -9y^2 \frac{dy}{dx}+9x^2 y^2 \frac{dy}{dx} \\ 4x - 6xy^3 = \frac{dy}{dx}(-9y^2 +9x^2 y^2) \\ \frac{dy}{dx} = \frac{4x - 6xy^3}{-9y^2 +9x^2 y^2}

8 0
3 years ago
The question is in the photo. Please answer with the correct answer.
vlabodo [156]

Answer:

18ft

Step-by-step explanation:

just add all the sides. since it’s a rectangle, you there is 2 sides that’s 3ft long and that are 6ft long. so you would do 3+3+6+6

7 0
3 years ago
Read 2 more answers
What is the perimeter of ABC with vertices at A (-11,4) B(-7,8) and C (-4,4)
Alborosie

Answer:

Step-by-step explanation:

Using the distance formula,

AB=\sqrt{(-11-(-7))^{2}+(4-8)^{2}}=\sqrt{16+16}=4\sqrt{2}\\AC=\sqrt{(-11-(-4))^{2}+(4-4)^{2}}=7\\BC=\sqrt{(-7-(-5))^{2}+(8-4)^{2}}=\sqrt{4+16}=2\sqrt{5}\\\\

So the perimeter is 4\sqrt{2}+7+2\sqrt{5}

3 0
2 years ago
brainliest for correct answer A triangle has interior angle measures 28 and 32, please find the 3rd interior angle and two exter
brilliants [131]

Answer:

120

Step-by-step explanation:

All the angles should add up to equal 180 so,

28 + 32 + ? = 180

60 + ? = 180

180 - 60 = 120

7 0
3 years ago
How to solve a equation like:<br> 2m = -2/3
adell [148]

Answer:

m = -\frac{4}{3}

Step-by-step explanation:

2m = -\frac{2}{3}

Divide both sides by 2 to get just m

\frac{2m}{2} = \frac{-\frac{2}{3}}{2}

You can't divide a fraction by a number so you do kcf (keep it, change it, flip it)

m = -\frac{2}{3} x \frac{2}{1}

m = -\frac{4}{3}

6 0
3 years ago
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