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Oksana_A [137]
3 years ago
8

Byron bought a keyless entry door lock that has the digits 0 through 9 on the keypad. He wants to choose a three-digit entry cod

e. How many different combinations are possible, if the digits can be repeated?
Mathematics
2 answers:
Jobisdone [24]3 years ago
8 0

Answer:

d

Step-by-step explanation:

The answer is 1,000! For each digit you get 10 options: 0,1,2,3,4,5,6,7,8,9.

So if you were to have ten options for each of the three digits you can enter, you multiply all possibilities together. So 10 times 10 is 100. 100 times ten is 1,000.

(10 x 10 x 10 = 1000)

Anni [7]3 years ago
7 0

Answer:

1000

Step-by-step explanation:

We have 10 options for the first digit (0-9, inclusive)

We have 10 options for the second digit, too, because repetition is allowed.

We have 10 options for the third!

So!

10 * 10 * 10 = 1000 :))

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Tcecarenko [31]

Answer:

Just Transposition...

Step-by-step explanation:

12×7=84=d

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96÷16=6=g

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55-6+21=70=j

88+8÷4=96÷4=16=k

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hope it helps

4 0
3 years ago
PLEASE HELP ME UwU
klasskru [66]
The answer is obviously 100 that was so easy
3 0
3 years ago
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15 Points!<br> Find the range of the functions:<br><br> f(x) = (x + 1)^2 - 1<br><br> f(x) = 7x - 11
MakcuM [25]

In both cases you may well benefit from graphing the functions.

Do you recognize f(x) = (x + 1)^2 - 1 as a quadratic function, whose graph is that of a parabola that opens up? By comparing this to y = a(x-h)^2 + k, we see that a=1, h= -1 and k = -1. The vertex is at (h,k), which here is the point (-1, -1). This is the minimum value of the function. Thus, the range of this function is [-1, infinity).


Now for the function f(x) = 7x - 11: This is a linear function whose graph is (surprise!) a straight line. When x increases, y increases, without limits to either. Similarly, when x decreases, y decreases.

Thus the range includes all real numbers: (-infinity, infinity).

4 0
3 years ago
2,231.5= how many grams?
svlad2 [7]
What are you converting it to/from?
4 0
3 years ago
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Convert the mixed number to an improper fraction. <br><br><br><br><br> 6 7/8
zepelin [54]
6 * 8 + 7 = 48 + 7 = 55

55/8
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