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Liono4ka [1.6K]
3 years ago
5

Plizzz answer asap!!!​

Mathematics
1 answer:
Artist 52 [7]3 years ago
3 0

Answer: a b c

Step-by-step explanation:

easy

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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 the slope of the line?<br> У<br> 1<br> X Х
ankoles [38]

Answer:151500

Step-by-step explanation:the is the answer

6 0
3 years ago
Given the vectors w = &lt;-5, 3&gt; and z = &lt;1, 4&gt;, find the results of the vector subtractions. -w − z = z − w = w − z =
Elodia [21]

Answer:

Concept: Linear Algebra

  1. Given two linearly independent vectors w and z
  2. We want -w-z
  3. Hence apply a negative gradient to w
  4. w=-<-5,3> =<5,-3>
  5. So <5,-3>-<1,4> = (<5-1>,<-3-4>)
  6. The answer is <4,-7>
4 0
2 years ago
How do you solve a proportion? (Like not how To but What do i do Because the question Is how do you solve a proportion.)
maksim [4K]

Answer:

By cross-multiplying?

3 0
3 years ago
Solve Y=3/2cot(1/2x)
Galina-37 [17]
So basically the x will want to be singled out and 3/2-y=the variable
3 0
3 years ago
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