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Lapatulllka [165]
2 years ago
8

Help me to solve this question​

Mathematics
1 answer:
soldier1979 [14.2K]2 years ago
4 0
73 cm I think this is the right answer
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To my knowledge, the answer should be there is no difference since I found the sum, however the answer is something else,
olga nikolaevna [1]
In the first series, the summation applies to the whole (2n+3) inside
the parentheses, so the 3 gets summed up 5 times.

But in the second one, the summation only applies to the 2n , so
the 3 is only added after the summation is finished.

The difference between five 3s the first time and one 3 the second time
is your 12 .
5 0
3 years ago
Read 2 more answers
Three million and nine thounsandths
nika2105 [10]
One million = 1,000,000

So Three million is 3,000,000

One thousandths is 0.001

So nine thousandths is 0.009

So three million and nine thousandths is 3,000,000.009
5 0
3 years ago
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A school has 1500 students. Given that 3% of them were late for school on a particular day, find the no of students who were pun
Setler [38]

Answer:

1455

Step-by-step explanation:

0.03% x 1500 = 45

therefore, 45 students were late

1500 - 45 = 1455 punctual

3 0
2 years ago
Chelsea makes $9.00 an hour working at Chick-Fil-A. She plans to buy some music for her phone and Air Pods that cost $278.10. Wr
Talja [164]

Answer:

31 hours

Step-by-step explanation:

To at least buy the Air-Pods she will need to work at least 31 hours. You can either round at the beginning or end, I'll demonstrate rounding at the end.  Divide $278.10 by $9.00, getting 30.9. You would have to round up to insure you have enough money, getting 31 hours

6 0
3 years ago
If h= 11 units and r=4 units then what is the approximate volume of the cone
muminat

Answer:

V≈184.31

Step-by-step explanation:

V=πr2h

3=π·42·11

3≈184.30677

8 0
2 years ago
Read 2 more answers
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