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2 years ago

9

In a dog show, how many ways can 3 beagles, 2 poodles, and 5 grey hounds line up if the dogs of the same breed are considered id

entical?

1 answer:

Tema [17]2 years ago

6 0

Answer:

30

Step-by-step explanation:

3 x 2 x 5 equals 30

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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 $\omega =2\pi N=17.90 rad/s$

mass of objects $m=1.5 kg$

distance of objects from stool $r_1=0.789 m$

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 $I_0=2mr_^2$

$I_0=2\times 1.5\times (0.789)^2=1.867$

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

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

Conserving angular momentum

$I_1\omega =I_2\omega _2$

$(5.53+1.867)\cdot 17.90=(5.53+I_o')\cdot 22.62$

$I_0'=1.397\times 0.791$

$I_0'=5.851$

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

$2\times 1.5\times (r')^2=0.321$

$r'^2=0.107009$

$r'=0.327 m$

7 0

3 years ago

What fraction is 6 of 18

Leto [7]

Answer:

1/3

Step-by-step explanation:

6 of 18 = 6/18

Divide by 6, the GCF of the two numbers 6 and 18, to get 1/3.

6 is 1/3 of 18.

4 0

2 years ago

Read 2 more answers

At a high school the student government is made up of 5 seniors, 4 juniors, 3 sophomores and 2 freshmen. If there are 8 seniors,

hjlf

Answer:

32598720

Step-by-step explanation:

<u>Combination for the school government requires:</u>

5 out of 8 seniors = 8! / 3!5! = 6*7*8/2*3 = 7*8 = 56
4 out of 9 juniors = 9! / 4!5! = 6*7*8*9/2*3*4= 7*2*9 = 126
3 out of 12 sophomores = 12! / 3!9! = 10*11*12/2*3 = 10*11*2 = 220
2 out of 7 fishermen = 7! / 2!5! = 6*7/2 = 21

<u>So number of total ways is:</u>

56*126*220*21 = 32598720

5 0

2 years ago

Write 0.1 as a percentage

4vir4ik [10]

To write 0.1 as a percentage you have to multiply it by 100 and then put the % sign at the end of it.

0.1 X 100 = 10%

5 0

3 years ago

Which set of numbers is a solution to the inequality x + 2 < 8?

GarryVolchara [31]

Answer:

‍♂️

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers