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
Alex_Xolod [135]
3 years ago
7

Outside a​ home, there is aa 44​-key keypad numbered 11 through 44. The correct sixsix​-digit code will open the garage door. Th

e numbers can be repeated in the code.
​(a) How many codes are​ possible? ​
(b) What is the probability of entering the correct code on the first​ try, assuming that the owner​ doesn't remember the​ code?
Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
5 0

Answer:

a) 4,096

b) 0.000244

Step-by-step explanation:

a)  

By the Fundamental rule of counting, there are

4*4*4*4*4*4 = 4,096  

ways of forming six-digit arrangements where each position has 4 possibilities (1 to 4)

b)

The probability of entering the correct code on the first try, assuming that the owner does not remember the code is  

1/4096 = 0.000244

You might be interested in
A (-6, 1), B(4, 1) C (5, -8) D (-6, -8) square units
GalinKa [24]

Answer:

its 80+ 65^12 sq. units

or 80+root65 sq. units

3 0
2 years ago
PLEASE HELP!!!
Svetllana [295]

Answer:

Building linear equations for f and g, it is found that the y-intercept of (f - g)(x) is of y = 8.------------A linear function has the following format:[tex]y ...

Step-by-step explanation:Use the two points to compute the slope, m, then use one of the points in the form y=m(x)+b to find the value of b.

6 0
2 years ago
Two cars leave town at the same time going in the same direction. One travels 55 miles per hour and the other travels 48 miles p
Amanda [17]

Answer:

Question 160644: Two cars leave town at the same time going in opposite directions. One travels 55 mph and the other travels 48 mph. In how many hours will they be 206 miles apart? T=2 HOURS THEY WILL BE 206 MILES APART

Ok thank you

4 0
2 years ago
Read 2 more answers
Write the number 6,007,200 in two different forms
erik [133]
1 way
six million, seven thousand, and two hundred.
6 0
3 years ago
Read 2 more answers
HELP<br>8 Prove that 8^6+4^11 is divisible by 17. Answer __*17
Marina CMI [18]

Answer:

<u>262,144</u> goes in the blank

Step-by-step explanation:

8^6 = 262,144

4^11 = 4,194,304

4,194,304 + 262,144 = 4,456,448

4,456,448 ÷ 17 = 262,144

8 0
2 years ago
Other questions:
  • A grandmother deposited $4,000 in an account that pays 5% per year compounded annually when her granddaughter was born. What wil
    13·1 answer
  • New Designs Up has 33 rows of seats in her Conference hall. If there are 45 seats in the 1st row, 41 in the 3rd, 37in the 5th an
    15·1 answer
  • If a + b = -6 and x + y + z = -2, what is 8a - 7x - 7z - 7y + 8b
    8·1 answer
  • What is the 20% of 140.79
    12·1 answer
  • Please Please PLEASE Answer!!!!!!
    7·2 answers
  • What statement about solving inequalities is true
    11·1 answer
  • I only need help with the last one the circle one to be pacific. I need help by tonight so I can get this done.
    12·1 answer
  • A librarian recorded the number of books that were checked out on each of the last 9 days,as shown below. 142, 136, 125, 148, 15
    14·2 answers
  • A 6​-ft vertical post casts a ​16-in shadow at the same time a nearby cell phone tower casts a ​124-ft shadow. How tall is the c
    6·1 answer
  • Diana looks up at an angle of 57 and sees a hot air balloon 150 meters away. To the nearest meter, what is the value of x,
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!