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ZanzabumX [31]
3 years ago
6

Pls change this to decimal number 1011111 base 2​

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
6 0

Answer:

95

Step-by-step explanation:

1. First, the binary to decimal formula is:  

  • decimal = d_0*2^0 + d_1 *2^1 + d+2*2^2+..  

2. Now, let's apply it:

  • (1011111 )_2= (1 *2^6) + (0 *2^5) + (1*2^4) + (1*2^3) + (1 *2^2) + (1 *2^1) + (1*2^0)
  • 1(64) + 0(32) + 1(16)+1(8)+1(4)+1(2)+1(1)
  • 64 + 0 + 16 + 8 + 4 + 2 + 1
  • 80 + 8 + 4 + 2 + 1
  • 88 + 4 + 2 + 1
  • 92 + 2 + 1
  • 94 + 1
  • 95

Therefore, the answer is 95.

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Eight friends decided to try white-water rafting on a nearby river. They rented four two-person rafts; one was yellow, one was g
stich3 [128]

Answer:

  1. Leroy Sands & Walt Smith - green
  2. Frank Cook & Phil Hawley - yellow
  3. Paul O'Brien & Alan Wilson - blue
  4. Henry Gladstone & Don Hughes - red

Step-by-step explanation:

First of all, it is convenient to choose the false statement.

We note that statements 7 (Alan is first) and 10 (Alan did not finish) are contradictory, so one of them must be false. Statement 5 has Henry & Hughes together, so is not consistent with statement 7 (Alan & Hughes). So, statement 7 is inconsistent with two other statements, thus must be the false one.

__

The attached table shows how we parsed the statements. An "O" signifies a combination that must occur; and "X" signifies one that cannot occur. We have used "-" to fill the spaces that are inconsistent with the locations of "O". The red letters are deduced from the others.

The first complete set we found was Henry & Hughes (Don & Gladstone) who were in the (red) capsized raft and did not finish. The second complete set we found was Phil & Cook (Frank & Hawley) who were in the (yellow) raft that finished second. We know Paul & Wilson (Alan & Partner) finished last, so Phil & Cook could not have been Paul and Wilson. Finally, O'Brien and Leroy were not on the same boat, so Paul must be Paul O'Brien and Leroy must be Leroy Sands.

4 0
3 years ago
A flower shop has 460 dozen roses. How many roses are in the flower shop?
algol [13]

Answer: 5,520

Step-by-step explanation:

Multiply 460 by 12. 12 is one dozen.

3 0
3 years ago
Please help answer question above.
aliya0001 [1]
That's so easy sorry for saying that The answer is 333.8
8 0
3 years ago
Find −315÷134. Write your answer as a mixed number in simplest form.
kipiarov [429]

Answer:

-2\frac{47}{134}

Step-by-step explanation:

-2\frac{47}{134} = -\frac{315}{134}

134can go into -315twice at the most, so doubling 134will give us 268, which leaves us with 47left over to reach 315, which is why 47is the numerator. The remainder is ALWAYS the numerator.

I am joyous to assist you anytime.

3 0
4 years ago
Give one real life example of each correlation: positive, negative, and no correlation.
mixer [17]
In a positive correlation, both variables increase together. An example of this is a company's profit's relationship with its sales. The greater the sales, the greater the profit.
A negative correlation is where one variable decreases with increase in the other. An example is the time taken to reach somewhere and the speed traveled at. The faster you move, the less the time.
No correlation means the two variables are not related. An example of this is as you get older, it does not mean you will get better grades.
7 0
3 years ago
Read 2 more answers
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