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3 years ago

10

What is the velocity of a car moving 20 m per second

1 answer:

murzikaleks [220]3 years ago

5 0

20mps. Because velocity is the speed per unit. In this case it is going 20 m per second

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B correct answer becuase you said it

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2 years ago

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What is true about the set of all solutions for y = f (x) ?

algol13

Answer:

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Step-by-step explanation:

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1 year ago

Combining Like Terms

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3 years ago

Which of the following is the product of the rational expressions shown below? 7x/x-4•x/x+7

LiRa [457]

<h2>The product of the rational expressions $\dfrac{7x}{x-4}.\dfrac{x}{x+7}$ = $\dfrac{7x^2}{x^2+3x-28}$ </h2>

Step-by-step explanation:

We have,

$\dfrac{7x}{x-4}.\dfrac{x}{x+7}$

To find, the product of the rational expressions $\dfrac{7x}{x-4}.\dfrac{x}{x+7}$ = ?

∴ $\dfrac{7x}{x-4}.\dfrac{x}{x+7}$

= $\dfrac{7x.x}{(x-4)(x+7)}$

= $\dfrac{7x^2}{(x(x+7)-4(x+7)}$

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= $\dfrac{7x^2}{x^2+3x-28}$

Thus, the product of the rational expressions $\dfrac{7x}{x-4}.\dfrac{x}{x+7}$ = $\dfrac{7x^2}{x^2+3x-28}$

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3 years ago

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3 years ago

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