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1 year ago

Which of the following expressions represents the verbal description below?

Mathematics

2 answers:

Georgia [21]1 year ago

5 0

Cube of the sum of 4 and 9 times x means (4+9x)^3
Product of 5times x and the difference of x and 1 means 5x(x-1)

Lets divide

Expression is

$\\ \sf\longmapsto \dfrac{(4+9x)^3}{5x(x-1)}$

olga nikolaevna [1]1 year ago

4 0

Answer:

The answer of this question is A.

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Solve: 3/K+3 = 8/k-2

fomenos

Answer:

k = 1

Step-by-step explanation:

I will upload a picture with all of my work.

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2 years ago

Complete the solution of the equation. Find the<br> value of y when x equals -14.<br> -2x + 5y = 8

shepuryov [24]

Answer:

y = -4

Step-by-step explanation:

-2x + 5y = 8

Let x=-14

-2(-14) +5y = 8

28 +5y = 8

Subtract 28 from each side

28-28 +5y = 8-28

5y = -20

Divide by 5

5y/5 = -20/5

y = -4

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2 years ago

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2 years ago

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Dmitry [639]

Answer:

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Step-by-step explanation:

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2 years ago

Which is an asymptote of the graph of the function y = cot ( x - 2pi / 3 )

vesna_86 [32]

$\bf y=cot\left(x-\frac{2\pi }{3} \right)\implies y=\cfrac{cos\left(x-\frac{2\pi }{3} \right)}{sin\left(x-\frac{2\pi }{3} \right)}$

now, if the denominator turns to 0, the fraction becomes undefined, and you get a "vertical asymptote" when that happens, so let's check when is that

$\bf sin\left(x-\frac{2\pi }{3} \right)=0\implies sin^{-1}\left[ sin\left(x-\frac{2\pi }{3} \right) \right]=sin^{-1}(0)
\\\\\\
x-\frac{2\pi }{3}=
\begin{cases}
0\\
\pi 
\end{cases}\implies \measuredangle x=
\begin{cases}
\frac{2\pi }{3}\\
\frac{5\pi }{3}
\end{cases}$

now, at those angles, the function is asymptotic, check the picture below

3 0

3 years ago

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