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3 years ago

Which of the following statements are true?

Mathematics

2 answers:

Kobotan [32]3 years ago

8 0

Answer:I believe the answer is D

Step-by-step explanation:

Y_Kistochka [10]3 years ago

7 0

Answer:

I believe the answer is D, all the proportional relationships are functions.

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Assume that x and y are both differentiable functions of t and find the required values of dy/dt and dx/dt.

qwelly [4]

Answer:

$\displaystyle \frac{dy}{dt}=-\frac{33}{8}$

$\displaystyle \frac{dx}{dt}=\frac{3}{2}$

Step-by-step explanation:

x and y are differentiable functions of t, and we are given the equation:

$xy=6$

First, let's differentiate both sides of the equation with respect to t. So:

$\displaystyle \frac{d}{dt}\left[xy\right]=\frac{d}{dt}[6]$

By the Product Rule and rewriting:

$\displaystyle \frac{d}{dt}[x(t)]y+x\frac{d}{dt}[y(t)]=0$

Therefore:

$\displaystyle y\frac{dx}{dt}+x\frac{dy}{dt}=0$

We want to find dy/dt when x = 4 and dx/dt = 11.

Using our original equation, find y when x = 4:

$\displaystyle (4)y=6\Rightarrow y=\frac{3}{2}$

Therefore:

$\displaystyle \frac{3}{2}\left(11\right)+(4)\frac{dy}{dt}=0$

Solve for dy/dt:

$\displaystyle \frac{dy}{dt}=-\frac{33}{8}$

We want to find dx/dt when x = 1 and dy/dt = -9.

Again, using our original equation, find y when x = 1:

$(1)y=6\Rightarrow y=6$

Therefore:

$\displaystyle (6)\frac{dx}{dt}+(1)\left(-9)=0$

Solve for dx/dt:

$\displaystyle \frac{dx}{dt}=\frac{3}{2}$

5 0

3 years ago

Study the pattern and predict the nth term a) 2,5,10,17,....... b)0,1,4,9,.....

Rasek [7]

A) nth term is n^2 + 1

b) nth term is (n - 1)^2

8 0

3 years ago

3x^4-18x^3+9x^2-54x Ax (x^2+B) (x+C) What is the value of C

lesantik [10]

Well to do this correctly it would have to be a but not techonology.

4 0

3 years ago

A student takes notes in class, completes assignments, attends tutoring, and prepares for the test. Which represents the likelih

Sauron [17]

Certain, as long as the student was studying using useful techniques that worked for them and paid close attention to the material taught in class

7 0

2 years ago

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WILL GIVE BRAINLIST! : ))

laiz [17]

Answer:d

Step-by-step explanation:

356-14 divided by 6

3 0

4 years ago

Read 2 more answers