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pogonyaev
3 years ago
12

Using the binomial theorem, expand the expression (4 + y) to the power of 4

Mathematics
1 answer:
Flauer [41]3 years ago
8 0

Answer:

When raised to the power of 4, the binomial (4 + y) expands to:

y^4 + 16y^3 + 96y^2 + 256y + 256

Step-by-step explanation:

(4 + y)^4 \\= (y^2 + 8y + 16)^2\\= y^4 + 8y^3 + 16y^2 + 8y^3 + 64y^2 + 128y + 16y^2 + 128y + 256\\= y^4 + 16y^3 + 96y^2 + 256y + 256

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Answer:

256

Step-by-step explanation:

8×8=64

64×4=256

64

4

256

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2 years ago
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What is an integer for negative four
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A integer for -4 would be +4
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3 years ago
A student on a piano stool rotates freely with an angular speed of 2.85 rev/s . The student holds a 1.50 kg mass in each outstre
Vlad1618 [11]

Answer:r'=0.327 m

Step-by-step explanation:

Given

N=2.85 rev/s

angular velocity \omega =2\pi N=17.90 rad/s

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Combined moment of inertia of stool and student =5.53 kg.m^2

Now student pull off his hands so as to increase its speed to 3.60 rev/s

\omega _2=2\pi N_2

\omega _2=2\pi 3.6=22.62 rad/s

Initial moment of inertia of two masses I_0=2mr_^2

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After Pulling off hands so that r' is the distance of masses from stool

I_0'=2\times 1.5\times (r')^2

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I_1\omega =I_2\omega _2

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I_0'=1.397\times 0.791

I_0'=5.851

5.53+2\times 1.5\times (r')^2=5.851

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7 0
3 years ago
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il63 [147K]

the 2 angles are congruent so...

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20=x     divide by 2

x=20 is the final answer

Have a blessed day!


5 0
3 years ago
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