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liraira [26]
2 years ago
11

What is the probability that 2 precedes 1 when we randomly select a permutation of {1, 2,. ,n} where n ≥ 4?

Mathematics
1 answer:
vivado [14]2 years ago
6 0

The probability is 1/3.

Probability is sincerely how likely something is to show up. whenever we're unsure about the final results of an event, we will communicate about the probabilities of positive consequences—how probably they're. The evaluation of events governed by way of possibility is called information.

Probability is the branch of mathematics concerning numerical descriptions of ways likely an occasion is to arise, or how in all likelihood it's far that a proposition is actual. The opportunity of an event is more than a few among 0 and 1, wherein, kind of talking, zero suggests impossibility of the occasion and 1 shows the truth.

Chance = the wide variety of approaches to achieving achievement. the whole range of viable consequences. as an example, the opportunity of flipping a coin and its being heads are ½ because there may be 1 manner of getting a head and the overall wide variety of feasible results is two (a head or tail). We write P(heads) = ½.

Learn more about the Probability here brainly.com/question/24756209

#SPJ4

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LaShaundra is buying fence for two triangular sections of her garden.
mixas84 [53]

Answer: 80 feet.


Step-by-step explanation:

1. As you can see in the figure, triangle ABC and the triangle DFG are similar.

2. The scale of factor of triangle ABC to triangle DFG is the following:

sf=\frac{20ft}{4ft}\\sf=5ft

3. Therefore, the lenght of the side DG of the trinagle DFG is:

DG=5*AC\\DG=5*7ft\\DG=35ft

4. The perimeter of the triangle DFG is:

P_{DFG}=20ft+25ft+35ft=80ft

5. Therefore, she would need 80 feet of fence.


8 0
3 years ago
How to find n in 38n4​
Rus_ich [418]

Answer:

Step-by-step explanation:

imagine 38 n = lets say b

so b/b/b/b/b

and divide that by 38

5 0
3 years ago
What are the coordinates of the midpoint of the segment whose endpoints are A(−1, −2) and B(6, 12) ? Enter your answer, as decim
maks197457 [2]

Answer:

(x,y)=\frac{5}{2},5  is the mid-point of given line segment.

Step-by-step explanation:

We have been given the coordinates of End points

To find the midpoint of the segment we will use mid point formula which is:

(x,y)=\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}

We have given x_1=-1,x_2=6,y_1=-2,y_2=12

Substituting the values in the formula we get:

(x,y)=\frac{-1+6}{2},\frac{-2+12}{2}

After simplification we get:

(x,y)=\frac{5}{2},5


5 0
4 years ago
Read 2 more answers
Find the x and y intercepts. Write your answer as x =<br> y =<br> 2x + 5y = 10
Ann [662]
The x-intercept is present where y = 0

2x + 5y - 10 = 0
2x - 10 = -5y
2x - 10 = -5(0)
2x = 10
x = 5

The y-intercept is present where x = 0

2x + 5y = 10
2x + 5y - 10 = 0
5y - 10 = -2(0)
5y = 10
y = 2
6 0
3 years ago
How much time will it take a car travelling at 88 km/hr (55 mi/hr) to travel 500km? Show work for credit and include final units
Sergio039 [100]

Answer:

Step-by-step explanation:

speed = 88 km/hr

distance = 500 km

time = distance / speed = 500/88= 125/22 hours

3 0
4 years ago
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