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frutty [35]
3 years ago
7

A password consists of 2 letters followed by 2 digits. How many different passwords can be formed?

Mathematics
2 answers:
kkurt [141]3 years ago
7 0
There are 26 letters. There are 10 digits. Different combos possible are 26 * 26 * 10 * 10

Basically 67,600 different passwords can be formed. Rate and Thank if helped! :)

Mkey [24]3 years ago
4 0

Answer:

it is 14,625

Step-by-step explanation:

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♦HURRY PLEASE!!! ♦<br><br> ↓<br> Don't worry about the answer choice that is highlighted : )
givi [52]

Answer:

B: {(3,1), (7,9)}

Step-by-step explanation:

For equation 2x-y=5, we can isolate y, so it's easier to solve later:

y = 2x - 5

y = (x - 4)^2

Now, notice that both equations are equal to y, so we can set them equal to each other:

(x-4)^2 = 2x-5

x^2-8x+16 = 2x - 5

x^2-10x+21=0

Now, we can factorize by finding 2 numbers that multiply to 21 and add up to -10:

(x-3)(x-7)=0

x=3 or x=7

Since B is the only one with the x values of 3 and 7, the answer must be B.

But to further check our answer, we can plug x back to any of the equations above to check for y:

(3-4)^2 = 1

(7-4)^2 = 9

Therefore, we can confirm that the answer is B.

7 0
3 years ago
Read 2 more answers
Chips cost fifty cents in the vending machine, how many chips can i buy with $40?
pentagon [3]
You would do 40 divided by .50 to get 80 Chips in total.
5 0
3 years ago
Find the value of the variable (n)
alisha [4.7K]

Answer:

D. 65

Step-by-step explanation:

180-50=130

130 divided by 2 =65

hope this helps:)

5 0
3 years ago
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Hello can anyone help me ? here the question
lesantik [10]

Answer:

A. 1/5k - 2/3j and -2/3j +1/5k

Step-by-step explanation:

A. 1/5k - 2/3j and -2/3j +1/5k

B. 1/5k - 2/3j and -1/5k +2/3j

There is a change in the signs of each term

1/5k changed to -1/5k

-2/3j changed to +2/3j

Not equivalent

C. 1/5k - 2/3j and 1/5j - 2/3k

There is a change in the variables

1/5k changed to 1/5j

-2/3j changed to -2/3k

D. 1/5k - 2/3j and 2/3j - 1/5k

The is a change in the signs of each term

1/5k changed to -1/5k

-2/3j changed to +2/3j

The only equivalent expression is

A. 1/5k - 2/3j and -2/3j +1/5k

3 0
3 years ago
NEED HELP ASAP!! Graph the solution on the number line.<br> 3(x + 3) - 2 &lt;4 or 1 - XS-1
slava [35]
Here is the answer for the 1st one. I have a picture of the second one but I’m not sure if I can post the picture of it

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