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Nesterboy [21]
3 years ago
9

What are the first four terms in the nth term n(2n + 1)

Mathematics
1 answer:
Bingel [31]3 years ago
6 0

Answer:

0

3

10

21

36

Explination:

0 x anything is still zero, but I don't know if that counts.

1 (2+1) = 3

2 (4+1) = 10

3 (6+1) = 21

4 (8+1) = 36

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An elevator starts at the basement with 8 people (not including the elevator operator) and discharges them all by the time it re
Rus_ich [418]

Answer:

1287

Step-by-step explanation:

Number of people in elevator , n = 8

Number of floors, r = 6

Since they all look alike, arrangement doesn't matter, the we use combination :

(n+r-1 r - 1) = (8+6-1 C 6-1) = 13C5

Recall:

nCr = n! / (n-r)!r!

13C5 = 13! / (13-5)!5!

13C5 = 13*12*11*10*9 / 5*4*3*2*1

= 1287

4 0
3 years ago
What is 4 multiplied by pi multiplied by 4.6 to the power of 3
kow [346]

Answer:

193,153.72460551

Step-by-step explanation:

Multiply 4 times pi or 3.14 if you are rounding. Then multiply that number by 4.6

Lastly once you done all of put it to the po wer of 3

4 0
1 year ago
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Jed needs to estimate the value of StartFraction 4.32 times 10 Superscript negative 4 Baseline Over 8.71 times 10 Superscript ne
Tema [17]

Answer:

A, C, F, E

Step-by-step explanation:

7 0
3 years ago
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A commuter has $245 in his commuter savings account. This account
tino4ka555 [31]
I’m not 100% sure but probably 16 weeks
8 0
3 years ago
Hey! I need loads of help on this! If you could help it would be such a relief!
il63 [147K]

Answer 1: For the Parallelogram inside the rectangle the area = 48

Rectangle = 275     275+48 = 323

Answer 2: For the answer for the square inside the parallelogram = 36

The answer to the parallelogram = 120     120+36 = 156

Step-by-step explanation: #1: A = bh = 12 · 4 = 48

A = wl = 11 · 25 = 275

#2: A = a2 = 62 = 36

A = bh = 15 · 8 = 120

Sorry if u didn't have to add im not to good at this ;(

Hope that helped though!

4 0
3 years ago
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