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skelet666 [1.2K]
3 years ago
13

how many 4 letter words can you make from a list of 12 letters, if you use each letter only once in each word?​

Mathematics
1 answer:
fiasKO [112]3 years ago
7 0

Answer:

it would be 3 because if you list words then just divide 12 by 4 and you get 3

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3 years ago
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7 0
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The width of a rectangle is 5 units less than the length. The area of the rectangle is 6 units. What is the width, in units, of
Readme [11.4K]

Answer:

The width of rectangle is 1 unit.

Step-by-step explanation:

Given:

The area of rectangle is 6 units and its width is 5 units less than the length.

So, to find the width of rectangle.

Let the length be x and the width be x-5.

Now, to find the width we put the formula of area of rectangle:

Area = length × width

6= x\times (x-5)

6=x^{2}-5x

0=x^{2}-5x-6

0=x^{2}-6x+x-6

0=x(x-6)+1(x-6)

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<em>On solving equation we get:</em>

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Therefore, we take the value x=6 as it is positive value:

x-6=0

x=6

So, the width of rectangle:

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          = 1

Therefore, the width of rectangle is 1 unit.

8 0
3 years ago
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