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Fiesta28 [93]
3 years ago
8

How many different outcomes are possible for seven people seated in chairs arranged in a line?

Mathematics
1 answer:
Sveta_85 [38]3 years ago
6 0
Person A could have any SIX dif. people sitting to her left. the person on A's left can have FIVE dif.people sit on his left. that person could have any of the remaining FOUR to her left and so on to the last person. so, there are 6x5x4x3x2x1= 720 possible arrangments. 
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Finding the sums
Sav [38]

The sum of the first 7 terms of the geometric series is 15.180

<h3>Sum of geometric series</h3>

The formula for calculating the sum of geometric series is expressed according to the formula. below;

GM = a(1-r^n)/1-r

where

r is the common ratio

n is the number of terms

a is the first term

Given the following parameters from the sequence

a = 1/36

r = -3

n = 7

Substitute

S = (1/36)(1-(-3)^7)/1+3
S = 1/36(1-2187)/4
S = 15.180

Hence the sum of the first 7 terms of the geometric series is 15.180

Learn more on sum of geometric series here: brainly.com/question/24221513

#SPJ1

7 0
1 year ago
PLEASE HELP I'LL GIVE BRAINLIEST
andriy [413]

Answer:

l

Step-by-step explanation:

7 0
2 years ago
Can someone pls help me!! :((
Papessa [141]

Answer:

Whats the question so that I can help?

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A rectangular swimming pool measures 14 feet by 30 feet. The pool is
Zolol [24]

Answer:

The total cost of resurface the path is \$600

Step-by-step explanation:

step 1

Find the area of the path

The area of the path is equal to the area of the path plus the swimming pool minus the area of the swimming pool

A=(14+3+3)(30+3+3)-(14)(30)

A=(20)(36)-(14)(30)

A=300\ ft^{2}

step 2

Find the cost of resurface the path

Multiply the area of the path by $2 per square foot

300*2=\$600

4 0
3 years ago
What's the value of<br><img src="https://tex.z-dn.net/?f=2%20%5Ctimes%20750%20%20%2B%200%20%7B%7D%5E%7B7%7D%20" id="TexFormula1"
Elina [12.6K]

Step-by-step explanation:

2×750=1500 + 0^7. ( 0×0×0×0×0×0×0=0)

So,

1500 Answer

7 0
2 years ago
Read 2 more answers
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