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3 years ago

Answer the questions to find the volume of the cylinder.

Mathematics

2 answers:

trapecia [35]3 years ago

5 0

Answer:

r=11 inches v=968 inches

Step-by-step explanation:

Plz thanks if you learned from my answer :)

nikklg [1K]3 years ago

4 0

Answer:

r=11inches v=968inches

Step-by-step explanation:

i just got it correct on a lesson :)

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0.5a − 0.3 = 5 (solve for a)

Alla [95]

0.5a - 0.3 = 5

Add 0.3 to both sides:

0.5a = 5.3

Divide both sides by 0.5:

a = 10.6

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3 years ago

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Find a linear second-order differential equation f(x, y, y', y'') = 0 for which y = c1x + c2x3 is a two-parameter family of solu

Alisiya [41]

Let $y=C_1x+C_2x^3=C_1y_1+C_2y_2$ . Then $y_1$ and $y_2$ are two fundamental, linearly independent solution that satisfy

$f(x,y_1,{y_1}',{y_1}'')=0$
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Note that ${y_1}'=1$ , so that $x{y_1}'-y_1=0$ . Adding $y''$ doesn't change this, since ${y_1}''=0$ .

So if we suppose

$f(x,y,y',y'')=y''+xy'-y=0$

then substituting $y=y_2$ would give

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To make sure everything cancels out, multiply the second degree term by $-\dfrac{x^2}3$ , so that

$f(x,y,y',y'')=-\dfrac{x^2}3y''+xy'-y$

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as desired. So one possible ODE would be

$-\dfrac{x^2}3y''+xy'-y=0\iff x^2y''-3xy'+3y=0$

(See "Euler-Cauchy equation" for more info)

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Tell what each of the residual plots below indicates about the appropriateness of the linear model

ELEN [110]

The closer the points are/more uniform they are to the residual line, the better the fit. The more skewed and scattered they are, the model is a worse fit.

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2 years ago

Which of the following is the best definition of a circle?

Leona [35]

Answer:

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Step-by-step explanation:

"following"?

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2 years ago

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