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pav-90 [236]
3 years ago
11

Are the sets equivalent A{12,20,21,22,23}B{18,19,20,21,22}​

Mathematics
1 answer:
Bingel [31]3 years ago
5 0

hey mate:-

  • hey mate:- A{12,20,21,22,23}

  • here number of elements in A= 5

B{18,19,20,21,22}

here number of elements in B= 5

  • number of elements in A= number of elements in B= 5

as we know

when number of elements are same

given

  • here number of elements in A=here number of elements in B

there fore these are equivalent sets..,,

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Elena-2011 [213]

Answer:

you would just 4.8 x how many years

Step-by-step explanation:

4 0
3 years ago
The radius of a right circular cylinder is given by √(t+6) and its height is 1/6√t , where t is time in seconds and the dimensio
denis23 [38]

Answer:

The rate change of volume of the cylinder is \frac{\pi}{4} ( \sqrt t+\frac2{ \sqrt t}) cubic inch per second.

Step-by-step explanation:

Given that the radius of right circular cylinder is \sqrt{(t+6)}  and its height is \frac16 \sqrt t where t is time in second and the dimension are inches.

\therefore r = \sqrt{(t+6)}

The base area of the cylinder is A= \pi r^2

                                                        =\pi (\sqrt{t+6})^2

                                                       = \pi (t+6)

\therefore A= \pi(t+6)

Differentiating with respect to t

\frac{dA}{dt}=\pi

\therefore h=\frac16\sqrt t

Differentiating with respect to t

\frac{dh}{dt}=\frac16 \times \frac12(t)^{\frac12-1}

\Rightarrow \frac{dh}{dt}=\frac1{12} (t)^{-\frac12}

The volume of cylinder is V= Ah

∴V= Ah

Differentiating with respect to t

\frac{dV}{dt}=A\frac{dh}{dt}+h\frac{dA}{dt}

    =\pi (t+6). \frac1{12}t^{-\frac12} +\frac16\sqrt t . \pi

   =\pi. \frac1{12}.t^{\frac12}+\pi . 6.\frac1{12} t^{-\frac12} +\pi\frac16 \sqrt t

   =\frac{\pi}{4} ( \sqrt t+\frac2{ \sqrt t})

The rate change of volume of the cylinder is \frac{\pi}{4} ( \sqrt t+\frac2{ \sqrt t}) cubic inch per second.

5 0
3 years ago
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saveliy_v [14]

Step-by-step explanation:

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The constraints are

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7A+5B+4C=3000

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5 0
3 years ago
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sleet_krkn [62]
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luda_lava [24]
The correct answer is 85.6 hope that helps
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