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sergey [27]
2 years ago
14

Starting from the same place money goes 3.5 km/hr towarde north and Bonny goes 8.5 km/hr towards south. what will be the distanc

e between them in 7 hours
​
Mathematics
1 answer:
Vesnalui [34]2 years ago
6 0

Answer:D=rt

Step-by-step explanation:

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Write an equation that represents this comparison sentence. 32is 8 times as many as 4
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32 = 8 x 4  or 32 = 4 x 8
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3 years ago
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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.

  p(7 1-bits) = 120/1024 = 15/128

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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

6 0
3 years ago
Two similar parallelograms have areas of 18in^2 and 32in^2. find the ratio of their perimeters
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k =  \frac{P_1}{P_2} =  \sqrt{ \frac{A_1}{A_2} }=\sqrt{\frac{18}{32}}=\sqrt{\frac{9\times2}{16\times2}}=\sqrt{\frac{9}{16}}=\frac{\sqrt{9}}{\sqrt{16}}= \boxed{\bf \frac{3}{4}}



3 0
2 years ago
Check this the answer c is right thanks
hodyreva [135]
Yes C is correct. hope you pass!

5 0
3 years ago
Marco deposited $500 in a savings account earning 4% interest over 5 years.
ollegr [7]
C. 100 because 500 times 0.04(decimal form of 4%) is 20. 20 times 5(years) is 100
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3 years ago
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