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pashok25 [27]
3 years ago
13

Outside a​ home, there is a 4​-key keypad with letters Upper A comma Upper B comma Upper C comma and Upper D that can be used to

open the garage if the correct four​-letter code is entered. Each key may be used only once. How many codes are​ possible?
Mathematics
1 answer:
Nat2105 [25]3 years ago
6 0

Answer:

24 possible codes

Step-by-step explanation:

If every letter may be used only once, we can calculated how many codes are possible using the rule of multiplication as:

__4____ * ___3____ *  ____2____ * ___1______ = 24

1st letter     2nd letter      3rd letter       4th letter

Because for the 1st letter of the code, we have 4 options, letter A, B, C and D.

Then for the 2nd letter, we only have 3 options because we can not choose the letter that we choose in the 1st letter.

So, the 3rd letter just have 2 options and finally, there is just one option for the 4th letter.

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What is the scale factor if the scale is 10 inches = 1 foot?
klasskru [66]

10 inches to 12 inches

10:12

5:6

<em>Have a Great Day</em>

5 0
3 years ago
Please tell how to write an expression for this​
BARSIC [14]

Answer:

N is 7 x 7, because there is a order which is the term and number are like being multiplied by the same number for example "1 x 1 =1, 2 x 2 = 4" and so on

Step-by-step explanation:

5 0
3 years ago
Using the fraction 4/6 , which is the denominator?
Ivahew [28]
The 6 from 4/6 is the denominator.

Hope this helps <3
8 0
2 years ago
One hundred people are surveyed and asked if they trust candidate A or candidate B or candidate C in a local election. People ar
ElenaW [278]

Answer:

5 people trust none of the candidates

Step-by-step explanation:

To know how many people surveyed trust none of the candidates we need to find:

  • People that trust all three candidates: 5
  • People that just trust candidate B and C: This is equal to people that trust candidate B and C less people that trust all three candidates. So it is equal to: 17 - 5 = 12
  • People that just trust candidate A and C: This is equal to people that trust candidate A and C less people that trust all three candidates. So it is equal to: 12 - 5 = 7
  • People that just trust candidate A and B: This is equal to people that trust candidate A and B less people that trust all three candidates. So it is equal to:  7 - 5 = 2
  • People that just trus candidate C: This is equal to the people that trust candidate C less people that just trust candidate B and C less people that just trust candidate A and C less people that trust all three candidates. So, it is equal to: 48 - 12 - 7 - 5 = 24
  • People that just trus candidate B: This is equal to the people that trust candidate B less people that just trust candidate B and C less people that just trust candidate A and B less people that trust all three candidates. So, it is equal to: 44 - 12 - 2 - 5 = 25
  • People that just trus candidate A: This is equal to the people that trust candidate A less people that just trust candidate A and C less people that just trust candidate A and B less people that trust all three candidates. So, it is equal to: 34 - 7 - 2 - 5 = 20

Therefore, we can calculate how many people surveyed trust at least one candidate by the sum of the previous quantities as:

5 + 12 + 7 + 2 + 24 + 25 + 20 = 95

Finally, there are 100 people surveyed and 95 people trust at least one candidate, so 5 people trust none of the candidates.

3 0
3 years ago
Read 2 more answers
Distributive property Use the distributive property to remove the parentheses .{y+10}12=
malfutka [58]

Answer:

12y + 120

Step-by-step explanation:

<u>First of, what is the distributive property?</u>

The distributive property is the property that helps distribute numbers under the parenthesis.

For example, lets use {x+1}4. You distribute the 4 towards the x and the one like this:

4(x) + 1(4)

4x + 4

Now, let's go back to your problem

<u>Solution:</u>

{y+10}12

12(y) +12(10)

= 12y + 120

<em>Hope this helps! Make sure to give me the brainliest answer since it would be greatly appreciated! Thank You! </em>

5 0
2 years ago
Read 2 more answers
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