3 years ago

Write an expression that it equivalent to 1/4x+1+3/4x-2/3-1/2x

Mathematics

1 answer:

Leno4ka [110]3 years ago

7 0

Answer: =1/2x+1/3

Step-by-step explanation:

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In 2016 the city of Rio de Janeiro had a population density of 5377 people/km²

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Answer:

, the population density in people per square meter is 0.005377

Step-by-step explanation:

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3 years ago

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Murljashka [212]

24. C
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3 years ago

Simplify this power raised to a power: (54^4)^4

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3 years ago

The lines below are perpendicular. If the slope of the green line is 3/2, what is the slope of the red line?

SSSSS [86.1K]

Answer:

-2/3

Step-by-step explanation:

Perpendicular slopes have lines that multiply to -1

m* 3/2 = -1

Multiply each side by 2/3

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3 years ago

Read 2 more answers

I'm stuck on this question, any ideas? thanks

True [87]

Answer:

$\lim_{x \to 0} \frac{\frac{1}{6+x}-\frac{1}{6}}{x}=-1/36$

Step-by-step explanation:

So we have the limit:

$\lim_{x \to 0} \frac{\frac{1}{6+x}-\frac{1}{6}}{x}$

Let's remove the fractions in the denominator by multiplying both layers by (6+x)(6). So:

$\lim_{x \to 0} \frac{\frac{1}{6+x}-\frac{1}{6}}{x}\cdot (\frac{(6+x)(6)}{(6+x)(6)})$

Distribute:

$=\lim_{x \to 0} \frac{(6)-(6+x)}{x(6+x)(6)}$

Simplify the numerator:

$=\lim_{x \to 0} \frac{6-6-x}{x(6+x)(6)}\\=\lim_{x \to 0} \frac{-x}{x(6+x)(6)}$

Both the numerator and the denominator have an x. Cancel:

$=\lim_{x \to 0} \frac{-1}{(6+x)(6)}$

Direct substitution:

$= \frac{-1}{(6+0)(6)}$

Simplify:

$=-1/36$

And that's our answer.

And we're done!

8 0

3 years ago

Read 2 more answers