2 years ago

What kind of property is used in the following example?

1 answer:

7 0

Commutative Property

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Nookie1986 [14]

0 is the correct is answer only if x=3

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3 years ago

qwelly [4]

Answer:

x=4, y=1

I think its that

Step-by-step explanation:

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3 years ago

fredd [130]

In terms of its radius $r$ , the volume of the balloon is

$V(r)=\dfrac{4\pi}3r^3$

The diameter $d$ is twice the radius, so that in terms of its diameters, the balloon's volume is given by

$V(d)=\dfrac{4\pi}3\left(\dfrac d2\right)^3=\dfrac\pi6d^3$

Differentiate both sides with respect to time $t$ :

$\dfrac{\mathrm dV}{\mathrm dt}=\dfrac\pi2d^2\dfrac{\mathrm dd}{\mathrm dt}$

The diameter increases at a rate of $\frac{\mathrm dd}{\mathrm dt}=6\frac{\rm cm}{\rm min}$ . When the diameter is $d=50\,\mathrm{cm}$ , we have

$\dfrac{\mathrm dV}{\mathrm dt}=\dfrac\pi2(50\,\mathrm{cm})^2\left(6\frac{\rm cm}{\rm min}\right)=7500\pi\dfrac{\mathrm{cm}^3}{\rm min}$

or about 23,562 cc/min (where cc = cubic centimeters)

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3 years ago

vitfil [10]

Wrote as a fraction 563/1000

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3 years ago

Ahat [919]

No. Arkansas is between 33° and 36.5° latitude

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3 years ago