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Bas_tet [7]
3 years ago
14

Question 1: To enter their home, the Cepeda family types in a 4 digit

Mathematics
1 answer:
kipiarov [429]3 years ago
3 0

So the first digit could be 0-9.

second is the same 0-9

And the 3rd 0-9 and lastly the 4th 0-9

There is a \frac{1}{10} *\frac{1}{10} *\frac{1}{10}* \frac{1}{10} chance that they will get it right by guessing.

So that means a \frac{1}{10000} chance that they will get it right.

So their are 10000 possible codes.

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Im just gonna waste my points. first to comment gets the points I guess.
Aliun [14]

Answer:

Hey


Step-by-step explanation:


8 0
3 years ago
Give the slope of a line parallel to the given.
melisa1 [442]

Answer:

1/2

Step-by-step explanation:

2x - 4y = 12

-4y = -2x + 12

-4y/-4 = -2x/-4 + 12/-4

y = 1/2x - 3

6 0
3 years ago
there are four children in Jana's family. She is less than 11 years old and is the oldest. there's a two-years age difference to
icang [17]

Answer:

Jana=10, twins=8, yuvi=6

Step-by-step explanation:

it's the only possible answer,as we know yuvi is older than 5 so let's just say she is 6 then the twins are 2 years older=8 and we know that and is less then 11 so that would be 10

8 0
3 years ago
Don't understand 16d at all really need help ASAP
Dominik [7]
An inequality is with the >, <, or the =....... SO, initial one time reservation, you add onto the fee. 75 dollars each time, you pair that with c.
HOW IT SHOULD LOOK:

50(at the start) + 75c(the money charged for each cleaning) ≤ B

THE REASON WHY: the maximum budget is pretty much all you can spend, so the cost of the cleaning, as it says in the LAST LINE.... should not be over the budget, but can be under.... so we use the less than or equal to sign.
C is the number of leaning, 75 is the money charged for each cleaning, 50 is the initial cost of joining, and it should be added as part of the money you spent on the cleaning company....
and that's it
8 0
3 years ago
Read 2 more answers
10. Explain why you can use the coordinates of either point as (x, y) when finding the
lesya [120]

The distance formula for two points P1: (x1,y1) and P2:  (x2,y2) is:

     d = √( (x2-x1)2 + (y2-y1)2 )

 

On the number line a and b are the x-coordinates and the y-coordinates are both 0.  The points are  (a,0) and (b,0).

 

In the Distance Formula, this makes the distance:

   d = √( (x2-x1)2 )

 

Now, since the square root may have either both positive and negative roots, we write the value as:

     d = ± (x2-x1)

 

    This is either (x2-x1)  or (-(x2 - x1))

When considering distance (a measurement without a sign attached), we write the positive distance:  |x2 - x1|.

8 0
3 years ago
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