1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Andrei [34K]
2 years ago
8

how many bit strings of length 9 have exactly two 1'S or two 0'S( this is one question, so you should have one answer)

Mathematics
1 answer:
Crazy boy [7]2 years ago
8 0

Answer:

72.

Step-by-step explanation:

Number of strings with exactly 2 1's

= 9C2

= 9*8/2*1

= 36.

Same for  2 0s

= 36.

You might be interested in
Which statement about the grapgh of line y=x+1/2 will be true if the 1/2 is replaced by -2
seraphim [82]

Answer:

Step-by-step explanation:

This linear graph will be shifted downward by 2 1/2 units:  first, from y = 1/2 to the x-axis, and next, from the x-axis by 2 more units, for a total shift of 2 1/2 units.

7 0
3 years ago
Sophia injured her leg and had to go to the doctor. She paid the bills with her credit card. What is a disadvantage of using the
lorasvet [3.4K]
The answer is c because credit cards you pay for after unlike a debit card 
7 0
3 years ago
Read 2 more answers
Someone please help me!!! I will mark brainlist!
vagabundo [1.1K]
It would be (-5, 15) or b.
6 0
3 years ago
Find the 9th term geometric sequence 1,1/2,1/2^2
valentinak56 [21]

Answer:   t_9=\dfrac{1}{2^8}

<u>Step-by-step explanation:</u>

t_n=t_1\times r^{n-1}\\\\Given: t_1=1,\quad r=\dfrac{1}{2}\\\\\\t_9=1\times\bigg(\dfrac{1}{2}\bigg)^{9-1}\\\\\\.\quad =\large\boxed{\dfrac{1}{2^8}}

3 0
3 years ago
Subtract the following complex numbers:<br> (3 +31) - (13+15)
vova2212 [387]

Answer:

33-28=5

Step-by-step explanation:

hope this helps

6 0
3 years ago
Read 2 more answers
Other questions:
  • How many different books did the children read
    5·1 answer
  • By selling old cd's, sarah has a store credit card for $153.a new cd costs $18 .what are the possible numbers of new cd's sarah
    12·1 answer
  • Cubic bins with closed tops are used to transport melons to the farmers market. The edge length of each bin is 1.5 m.
    13·2 answers
  • Jenny wants to earn $ 1,300 by the end of the summer . How much more dose she need to earn to reach her goal?
    13·1 answer
  • In which quadrant is the point (2,-3) located?
    8·2 answers
  • Find the slope and reduce. P=(2, 3) Q=(9, 7) Slope =​
    14·1 answer
  • Evaluate each expression if x=6. the expressions are: 4(x-5). and 2x divided by 6. PLEASE HELP ME THIS IS DUE TONIGHT
    6·1 answer
  • F(x) = –2 – 2, find f (3).
    10·1 answer
  • two angles are vertical. one angles measures 10x - 6, and the other angles measured 8x + 12. find the measure of each angle .
    9·1 answer
  • What is the diameter of a pond if the area is 4069. 44
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!