4 years ago

Help me with these questions please!Thank you. I will greatly appreciate it!

Mathematics

1 answer:

nignag [31]4 years ago

6 0

1. A
2. A
3. B.
4. 325,108
5. C
6. D
7x10 3 is larger because it is equal to 7000 but 7x10 2 is only 700.

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Could someone explain this to me?

Ilya [14]

This is a simple differentiation problem. Let's start by taking the derivative of both sides (with respect to x):
$5y^4\frac{dy}{dx}+6y^2x+6x^2y\frac{dy}{dx}+20x^3 = 0$

Simplify:
$\frac{dy}{dx} (5y^4+6x^2y) + 6y^2x+20x^3 = 0$

Solve for dy/dx:
$\frac{dy}{dx} = \frac{-6y^2x-20x^3}{5y^4+6x^2y}$

Now, plug in the given points:
$\frac{dy}{dx} = \frac{-6(2)^2(-1)-20(-1)^3}{5(2)^4+6(-1)^2(2)} = \frac{24+20}{80+12}$

Further simplification gives:
$\frac{dy}{dx}|_{(2,-1)} =\frac{44}{92} = \frac{11}{23}$

So, your answer is 11/23 or B.

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Answer:

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3 years ago

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lidiya [134]

Answer:

x=31°

Step-by-step explanation:

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3 years ago

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3 years ago

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A=1/2d1d2
plug in
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