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andrezito [222]
2 years ago
10

There are 12 boys and 8 girls in a class, including a brother and a sister. If one boy and one girl are selected at random from

the boys and girls respectively , what is the probability that the brother and sister are both selected?
kindly write the procedure
Mathematics
1 answer:
kupik [55]2 years ago
7 0

I think the answer is 1/10.

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A rectangular carpet has a perimeter of 274 inches. The length of the carpet is 95 inches more than the width. What are the dime
GrogVix [38]

Answer:

Length: 116

Width: 21

Step-by-step explanation:

Let's say that the width of carpet is x. If the length of the carpet is 95 inches more than the width, then let's say that the width is x + 95.

Since we are solving for the perimeter, you have to multiply the width and the length(x and x + 95) by two.

So,

2x + 2x + 190 = 274.

Simplify this and you get:

4x= 274 - 190

4x = 84

x= 21

So, the width is 21. This means that the length is 21 + 95.

21 + 95 = 116

4 0
3 years ago
When a number is tripled,the results is -33
defon

Answer:

x = -11

Step-by-step explanation:

Considering tripled means multiplied by 3 because of tri, we know that we can use the equation 3x = -33.

To solve this we can divide both sides by 3:

3x = -33

x = -11

This gives our answer of -11.

4 0
2 years ago
£8001 is shared equally between 9 people. How much does each person get?
Alika [10]
£888.9 because you can divide £8001 buy 9
5 0
2 years ago
Please help me find the answer ASAP. Thanks
jenyasd209 [6]
This is very easy question write all given and common
3 0
3 years ago
If you were to add 5 to my number and then divide by 4, you would get 7
Norma-Jean [14]
Let's make an equation. T will be the number.
(T+5)/4=7
Let's multiply both sides by 4 to get T by itself.
T+5=28
Subtract 5 from both sides.
T=23
Your number is 23.
3 0
2 years ago
Read 2 more answers
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