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aleksklad [387]
2 years ago
5

There were 18 students running in a race. How many different arrangements of first, second, and third place are possible?

Mathematics
1 answer:
swat322 years ago
8 0

Answer:

There are 18 choices for first place, 17 for second, and 16 for third.

Therefore, there are 18 x 17 x 16=4896

So there are 4,896 ways possible

Step-by-step explanation:

Hope this helps:)...if not then sorry for wasting your time and may God bless you:)

You might be interested in
The coefficient of x^ky^n-k in the expansion of (x+y)^n equals (nk). True or false.
AVprozaik [17]

Answer:

The correct option is;

False

Step-by-step explanation:

The coefficient of x^k·y^(n-k) is nk,   False

The kth coefficient of the binomial expansion, (x + y)ⁿ is  \dbinom{n}{k} = \dfrac{n!}{k!\cdot (n-k)!} = C(n,k)

Where;

k = r - 1

r = The term in the series

For an example the expansion of (x + y)⁵, we have;

(x + y)⁵ = x⁵ + 5·x⁴·y + 10·x³·y² + 10·x²·y³ + 5·x·y⁴ + y⁵

The third term, (k = 3) coefficient is 10 while n×k = 3×5 = 15

Therefore, the coefficient of x^k·y^(n-k) for the expansion  (x + y)ⁿ = C(n,k) not nk

7 0
3 years ago
What is the measure of arc bc
aleksklad [387]

Answer:

100 deg

Step-by-step explanation:

As the property of inscribed angle on circle, angle BEC = (1/2)(arc BC)

=> arc BC = 2 x angle BEC = 2 x 50 = 100 deg

3 0
3 years ago
At the Roberts family reunion, there are 48 men. The ratio of men to women is 6.5. How many women are at the reunion
ruslelena [56]
Your answer would be approximately 30 women because:
40/6=6.6 (repeating)
since there cant be .6 of a woman, we will get rid of .6
now we have 40/6=6
finally:
6*5= 30

i hope this helps you! :)
7 0
3 years ago
Read 2 more answers
Please help i will give brainliest!!
Romashka-Z-Leto [24]
5.78x10^7
If you need an explanation on how then let me know :)
4 0
3 years ago
The temperature T of a refrigerator is at least 35°F and at most 41°F. Write a compound
s344n2d4d5 [400]

The compound inequality for the temperature T of a refrigerator that is at least 35°F and at most 41°F is 35  ≤  T ≤  41

A compound inequality has two inequality statements joined together

The the temperature of the inequality is represented by T

The temperature T of a refrigerator is at least 35°F and at most 41°F

This means that the temperature falls between 35°F and 41°F

Since the temperature, T, is at most 41°F

This can be mathematically interpreted as

T  ≤  41

The temperature, T, is at least 35°F

35  ≤  T

Combining the two inequality statements 35  ≤  T and T  ≤  41, the compound statement formed is:

35  ≤  T ≤  41

The compound inequality for the temperature T of a refrigerator that is at least 35°F and at most 41°F is 35  ≤  T ≤  41

Learn more here: brainly.com/question/11316045

8 0
3 years ago
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