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Andreas93 [3]
2 years ago
10

A book has 600 pages which are numbered 1,2,3 and so on. How many times does the digit 5 appear in the page numbers?

Mathematics
2 answers:
lesya692 [45]2 years ago
8 0
200 times. Hope you get it!!!!!!!!!!!!
Setler [38]2 years ago
6 0
One hundred and twenty.
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Plz help
crimeas [40]

Answer:

-20/33

Step-by-step explanation:

y2 - y1 / x2 - x1

1/6 - (-1/4) / -5/16 - 3/8

5/12 / -11/16

= -20/33

8 0
2 years ago
Oml please don’t say anything that doesn’t help,
Veseljchak [2.6K]

Answer:

first convert mixed fraction to improper fraction then solve by taking LCM

hope the above process helps

6 0
2 years ago
Read 2 more answers
You are given 1000 one dollar bills and 10 envelopes. Put the bills into the envelopes in such a way that someone can ask you fo
taurus [48]

Answer:

We can do it with envelopes with amounts $1,$2,$4,$8,$16,$32,$64,$128,$256 and $489

Step-by-step explanation:

  • Observe that, in binary system, 1023=1111111111. That is, with 10 digits we can express up to number 1023.

This give us the idea to put in each envelope an amount of money equal to the positional value of each digit in the representation of 1023. That is, we will put the bills in envelopes with amounts of money equal to $1,$2,$4,$8,$16,$32,$64,$128,$256 and $512.

However, a little modification must be done, since we do not have $1023, only $1,000. To solve this, the last envelope should have $489 instead of 512.

Observe that:

  1. 1+2+4+8+16+32+64+128+256+489=1000
  2. Since each one of the first 9 envelopes represents a position in a binary system, we can represent every natural number from zero up to 511.
  3. If we want to give an amount "x" which is greater than $511, we can use our $489 envelope. Then we would just need to combine the other 9 to obtain x-489 dollars. Since x-489\leq511, by 2) we know that this would be possible.

4 0
3 years ago
What is 18/5 as a mixed fraction?
Vsevolod [243]
I believe the answer is 3 and 3/5
6 0
3 years ago
Read 2 more answers
Mel uses one fourth of a yard of ribbon to make a hair bow how many hair bows can mel make with 1 yard of ribbon​
luda_lava [24]

Answer:

4 hair bow

Step-by-step explanation:

if 1/4 can make 1 hair bows you can make 4 hair bows

, it's simple 4/1=4

6 0
3 years ago
Read 2 more answers
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