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Ahat [919]
3 years ago
8

A thief steals an ATM card and must randomly guess the correct five-digit pin code from an 8 key keypad repetition of digits is

allowed what is the probability of a correct guess on the first try?
Mathematics
1 answer:
Rus_ich [418]3 years ago
7 0

Answer:

1/32768

Step-by-step explanation:

We have 5 digit pin code plots and 8 choices per slot. Because repetition is allowed (1 digit can have 8 choices) so we multiply out the number of choices per slot . Hence:

8*8*8*8*8 = 8^{5} = 32768

So there are 32768 different combination.

But correct guess on the first try is just only 1 time, so its' probability:

1/32768

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The office manager of First Tech Support borrowed $25,000 to purchase new computers for employees. The bank charges 6 percent in
Travka [436]

Given:

Amount borrowed (P)= $25000

Rate of interest (r)= 6%

Time (t)= 4 years.

To find:

The total interest the company pay in all.

Solution:

We know that,

A=P(1+r)^t

where, A is amount, P is principal, r is rate of interest and t is time period.

A=25000(1+\dfrac{6}{100})^4

A=25000(1.06)^4

A=25000(1.26247696)

A=31561.924


Now,

I=A-P

I=31561.924-25000

I=6561.924

Therefore, the total interest is $6561.924.

7 0
3 years ago
Wendy had 1/2 of her birthday cake left over, so she decided to take it to work.
Aloiza [94]

Answer:

1/12

Step-by-step explanation:

1/2 divided by 6

that way her and her 5 workers each get the same amount of cake

5 0
3 years ago
Read 2 more answers
Help?????????????????
Alborosie

Answer:

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Step-by-step explanation:

6 0
2 years ago
Plzz HELP FOR POINTS AND BRAINLIST ANSWER
storchak [24]

A)Plugging in our initial statement values of y = 16 when x = 10, we get:

16 = 10k

Divide each side by 10 to solve for k:

16/10=

 k = 1.6

Solve the second part of the variation equation:

Because we have found our relationship constant k = 1.6, we form our new variation equation:

y = 1.6x

Since we were given that x, we have

y = 1.6()

y = 0


B)Plugging in our initial statement values of y = 1 when x = 15, we get:

1 = 15k

Divide each side by 15 to solve for k:

1/15

=15k

k = 0.066666666666667

7 0
3 years ago
Solve for x showing work
natali 33 [55]
X = 112
See attachment file below.

Hope it helped!

5 0
3 years ago
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