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2 years ago

Using an LCD projector to show an online video to a group of people is an example of:

Computers and Technology

1 answer:

stich3 [128]2 years ago

4 0

Answer:

Analog to digital conversation.

Explanation:

A lcd projector is used to play images, videos and ducoments on a computer system to a broadened view. It sends electronical signals to pixels on the lcd lens to to give output.

Watching a video online is wireless and requires an electromagnetic wave, which is analog in nature, to communicate.

The streaming of online video through a lcd projector is an analog to digital conversation.

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Maksim231197 [3]

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3 years ago

Read 2 more answers

simplify the expression below and state the value of m for which the simplified expression is not defined 2m² + m - 15/ m² - 9

motikmotik

Answer:

The simplified expression is: $\frac{2m-5}{m-3}$

The simplified expression is undefined for m=3

Explanation:

The given expression is:

$\frac{2m^2+m-15}{m^2-9}$

The numerator can be siplified by using factorization and denominator will be simplified using the formula

$a^2-b^2 = (a+b)(a-b)$

So,

$= \frac{2m^2+6m-5m-15}{(m)^2-(3)^2}\\=\frac{2m(m+3)-5(m+3)}{(m-3)(m+3)}\\=\frac{(2m-5)(m+3)}{(m-3)(m+3)}\\=\frac{2m-5}{m-3}$

A fraction is undefined when the denominator is zero. In order to find the value of m on which the simplified fraction will be undefined we will put denominator equal to zero.

So,

$m-3 = 0 => m = 3$

Hence,

The simplified expression is: $\frac{2m-5}{m-3}$

The simplified expression is undefined for m=3

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2 years ago

Which of the following data structures can erase from its beginning or its end in O(1) time?

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2 years ago

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Answer:

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Explanation:

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2 years ago

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3 years ago