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Simora [160]
3 years ago
5

Ben has a music book with 84 songs. He has learned how to play 25% of them. How many songs in the book does Ben NOT know how to

play
Mathematics
2 answers:
Sveta_85 [38]3 years ago
6 0

Answer:

63

Step-by-step explanation:

This is because 25% of 84 is 21. He knows how to play 21 songs. 84-21=63.

63 is how many songs he does NOT know how to play.

Novosadov [1.4K]3 years ago
4 0

Answer:

The answer is 63.

----------------------------------

24% of 84 is 21. 84 - 21 = 63.

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2 years ago
We are given a sequence of five non-zero numbers, where the sum of each term and its neighboring terms is 15 or 25. Find the sum
PSYCHO15rus [73]

We have a sequence that meets the given criteria, and with that information, we want to get the sum of all the terms in the sequence.

We will see that the sum tends to infinity.

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A, B, C, D, E.

We know that the sum of each term and its neighboring terms is 15 or 25.

then:

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Now, we want to find the sum of all the terms in the sequence (not only the 5 given).

Then let's assume we write the sum of infinite terms as:

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(a_1 + a_2 + a_3) + (a_4 + a_5 + a_6) + ...

So we will have a sum of infinite of these, and each one of these is equal to 15 or 25 (both positive numbers). So when we sum that infinite times (even if we always have the smaller number, 15) the sum will tend to be infinite.

Then we have:

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If you want to learn more, you can read:

brainly.com/question/21885715

3 0
2 years ago
Please help guys much love
lord [1]

Step-by-step explanation:

1) Ans 3

2) Ans 6

3) Ans 4

4) Ans 1/5

5) Ans 1/23

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2 years ago
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