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victus00 [196]
3 years ago
14

9. A rectangle has an area of 45m²

Mathematics
1 answer:
love history [14]3 years ago
6 0

Answer:

Lenght=3\,m

Product of length and width= 45

Step-by-step explanation:

The product of the length and width of the rectangle is called the area of the rectangle.

Area of the rectangle= 45\,m^2

Width=15\,m

Area of the rectangle= Length\times Width

    45=Length\times 15\\\\Length=\dfrac{45}{15}\\\\ Length=3\,m

The product of the Length and Width of the rectangle is :

=3\times15\\\\=45 m^2 i.e area of the rectangle.

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The probability that none of the LED light bulbs are​ defective is 0.7374.

Step-by-step explanation:

The complete question is:

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Let the random variable <em>X</em> represent the number of defective LED light bulbs.

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The probability mass function of <em>X</em> is:

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6 0
3 years ago
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