3 years ago

Find d2y/dx2 in terms of x and y if (x^2)-(y^2)=16.

1 answer:

5 0

We can use implicit differentition to determine the second derivative of y in terms of x. In this case, the first derivative is 2x dx - 2y dy = 0. The second derivative is 2 d2x - 2 d2y = 0. Hence d2y/d2x is equal to 1.

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Please answer this question

makvit [3.9K]

Step-by-step explanation:

Using the properties of logarithms, the left side of the equation becomes

$\log{3x^3} - \log{x^2} = \log{3x}$

while the right hand side becomes

$\log{27} - \log{x} = \log{\frac{27}{x}}$

so we end up with

$3x^2 =27 \Rightarrow x = 3$

4 0

2 years ago

3x\4=2y+6xy. what is "x" equal too? what is "y" equal too?

andreyandreev [35.5K]

the answer is
x=8y/3(1-8y)

y=3x/8(1+3x)

hope this helped l used cymath to solve this problem.
good day : )

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3 years ago

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Marina CMI [18]

3, if you do the y^2-y^1/x^2-x^1 you will get 3/1 which will be simplified to 3.

6 0

3 years ago

Al can wash a car in 60 minutes, and bill can wash a car in 30 minutes. cathy can wash a car in 20 minutes. how long, in minutes

choli [55]

B) 36

To figure this out you need to average the numbers. To average them you add them all up and divide by how many are there.
(60+30+20)/3
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3 0

3 years ago

Solve 3x^2 = −12x − 15.

vitfil [10]

3x^2+12x+15=0

Then divide by 3 to get the x by itself.
x^2+4x+5=0

Factor to (x+5) (x-1) and solve for the two values of x.

4 0

3 years ago

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