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ELEN [110]
2 years ago
12

22

Mathematics
1 answer:
dalvyx [7]2 years ago
8 0

The first digit may be 1 or 8.

The second digit may be 1, 2, 4, 8.

The third digit may be 1, 3, 5, 7, 9.

There are 2\times4\times5=40\:variants

The probability that this is the correct code is \frac{1}{40}

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How would I solve <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D%20x-%5Cfrac%7B5%7D%7B3%7D%20%3D-%5Cfrac%7B1%7D%7B2%7D%
sdas [7]
Multiply both sides of the equation by 12. Move the variables to the left-hand side and change its sign. Move the constant to the left-hand side and change its sign. Collect like terms. Add the numbers. Divide both sides of the equation by 12.

1/2 x - 5= - 1/2 x + 19/4
6x -20= - 6x + 57
6x + 6x= 57 + 20
12x= 57 + 20
12x= 77
ANSWER
x = 77/12
Alternative Form .
x = 6 5/12, x= 6.416
7 0
3 years ago
Read 2 more answers
NO LINKS<br> Solve for a:<br> a/0.2-10=20<br><br> -6<br> -4<br> 4<br> 6
lapo4ka [179]

Answer:

6

Step-by-step explanation:

5 0
3 years ago
-10.12 + 51 + 3<br> 212 + 4<br> Select the true statement
Tatiana [17]
I think answer should be 20 please give me brainlest let me know if it’s correct or not okay thanks bye
6 0
3 years ago
On the number line bug A is moving in the positive direction from the point 0, and a bug B is moving in the negative direction f
kumpel [21]

Answer:

x =6t

y = - 5t

6 0
3 years ago
Can somebody please help my with this question​
ki77a [65]

Answer:

All the possible values of a-b lies in the interval 3.

Step-by-step explanation:

As the range of a is

3

As the range of b is

4

As a contains the set of number between 3 to 4, and b contains the values of from 4 to 5.

a-b can be obtained by subtracting the values of b from a.

So,

a-b

⇒ (3

⇒ 3

Therefore, all the possible values of a-b lies in the interval 3.

Keywords: number, value, interval

Learn more about number interval from brainly.com/question/13048073

#learnwithBrainly

8 0
3 years ago
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