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Naddika [18.5K]
3 years ago
5

Solve the following addition problems. Remember to carry as necessary.

Mathematics
1 answer:
GaryK [48]3 years ago
7 0
1. 1999LB12OZ
2. 31T2445LB18OZ
3. 22T1998LB37OZ

i think those are correct
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The surface area for a rectangular prism with a square base is SA=2s2+4sh.
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We know that
[surface area for a rectangular prism with a square base ]=2*s²+4*s*h

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Suppose that you pick a bit string from the set of all bit strings of length ten. Find the probability that a) the bit string ha
emmasim [6.3K]

Answer:

  • 45/1024
  • 1/4
  • 15/128
  • 193/512
  • 9/512

Step-by-step explanation:

There are 2^10 = 1024 bit strings of length 10.

a) There are 10C2 = 45 ways to have exactly two 1-bits in 10 bits

  p(2 1-bits) = 45/1024

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b) Of the four (4) possibilities for beginning and ending bits (00, 01, 11, 10), exactly one (1) of those is 00.

  p(b0=0 & b9=0) = 1/4

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c) There are 10C7 = 120 ways to have seven 1-bits in the bit string.

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d) ∑10Ck {for k=0 to 4} = 386 is the total of the number of ways to have 0, 1, 2, 3, or 4 1-bits in the string. If there are more than that, there won't be more 0-bits than 1-bits

  p(more 0 bits) = 386/1024 = 193/512

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e) The string will have two 1-bits if it starts with 1 and there is a single 1-bit among the other 9 bits. There are 9 ways that can happen, among the 512 ways to have 9 remaining bits.

  p(2 1-bits | first is a 1-bit) = 9/512

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3 years ago
Create a proportion from each set of numbers. Only use 4 numbers from each set.
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Step-by-step explanation:

Approach: If four numbers a, b, c and d are in proportion then a:b = c:d. The solution is to sort the four numbers and pair up the first 2 together and the last 2 together and check their ratios this is because, in order for them to be in proportion, the product of means has to be equal to the product of extremes.

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