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Sophie [7]
3 years ago
15

Is repetition permitted in permutations/combinations?

Mathematics
1 answer:
nikklg [1K]3 years ago
3 0

Answer:

Yes repetition is permitting in permutations/combinations. It depends on the problem. For example a password being "555" is allowed. But in a race, racers logically can not repeat.

Step-by-step explanation:

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What is the volume of a hemisphere with a diameter of 57.2 in , rounded to the nearest tenth of a cubic inch?
rosijanka [135]

Answer:

48,970.7 in³

Step-by-step explanation:

If the diameter is 57.2 in, then the radius is half that, or 28.6 in.

The volume of a sphere is V = (4/3)πr³, and so the volume of this hemisphere is (2/3)πr³.

Substituting 28.6 in for r, we get the final answer:  

(2/3)(3.14)(28.6)³ in³, or (to the nearest tenth of a cubic inch), 48,970.7 in³

5 0
3 years ago
I need help for homework
olganol [36]
Since it is the perimeter you add all the sides, so it is 5 1/2 + 5 1/2 * 6= 15, so the perimeter is 15:)
6 0
3 years ago
A real-estate agent earns a commission on a house she sells. Her commission 5% on the first $500,000 ofthe sale price of the hou
bixtya [17]
Because 585k > 500k, then the commission would be 6%.

Percent: 6% = 0.06

Now we will multiply the cost of the house by the percentage to find the commission amount:

1) 0.06(585,000) = 35,100

The total amount the agent will receive would be $35,100.
4 0
3 years ago
I need help please?!!!!
netineya [11]

Answer:

c/81

Step-by-step explanation:

81 is the only square number

9 times 9 = 81

5 0
3 years ago
What is y = 1.65x + 2.35 if x=14?
Andrej [43]

Answer:

y is 25.45

Step-by-step explanation:

y=1.65x+2.35 insert the unknown x

y=1.65(14)+2.35 open brackets by multiplication

y=23.1+2.35

y=25.45

5 0
3 years ago
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