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3 years ago

5

Can someone help me with this angle

1 answer:

Zarrin [17]3 years ago

6 0

Answer:

60 degrees

Step-by-step explanation:

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Travka [436]

$\\ \sf\longmapsto \sqrt{512x^3}=\sqrt{2\times 2\times 2\times 2\times 2\times 2\times 2\times 2x^2x}=16x$
$\\ \sf\longmapsto x-8=-5\implies x=3$
$\\ \sf\longmapsto \sqrt{x-8}=\sqrt{-x+2}\implies x-8=-x+2\implies 2x=10\implies x=5$

6 0

3 years ago

What transformations are needed to change the parent cosine function to y=3cos(10(x-pi))?

LUCKY_DIMON [66]

Answer:

The graph of $y=cos(x)$ is:

*Stretched vertically by a factor of 3

*Compressed horizontally by a factor $\frac{1}{10}$ .

*Moves horizontally $\pi$ units to the rigth

The transformation is:

$y=3f(10(x-\pi))$

Step-by-step explanation:

If the function $y=cf(h(x+b))$ represents the transformations made to the graph of $y= f(x)$ then, by definition:

If $0$ then the graph is compressed vertically by a factor c.

If $|c| > 1$ then the graph is stretched vertically by a factor c

If $c$ then the graph is reflected on the x axis.

If $b> 0$ The graph moves horizontally b units to the left

If $b$ The graph moves horizontally b units to the rigth

If $0$ the graph is stretched horizontally by a factor $\frac{1}{h}$

If $h> 1$ the graph is compressed horizontally by a factor $\frac{1}{h}$

In this problem we have the function $y=3cos(10(x-pi))$ and our parent function is $y = cos(x)$

The transformation is:

$y=3f(10(x-\pi))$

Then $c =3>1$ and $b =-\pi < 0$ and $h=10 > 1$

Therefore the graph of $y=cos(x)$ is:

Stretched vertically by a factor of 3.

Also as $h=10$ the graph is compressed horizontally by a factor $\frac{1}{10}$ .

Also, as $b =-\pi < 0$ The graph moves horizontally $\pi$ units to the rigth

6 0

3 years ago

What is the equation of the line that is parallel to the

Vikentia [17]

Answer: C, y=-4

Step-by-step explanation:

5 0

3 years ago

I know it has to be a negative...........

sleet_krkn [62]

Answer:

$m=-3$

Step-by-step explanation:

Choose 2 points on the graph. (-2,8) (3,-7)
Apply slope formula.

$m=\frac{rise}{run} =\frac{y2-y1}{x2-x1} \\\\\frac{-7-(8)}{3-(-2)} = \frac{-15}{3} =-3\\\\m=-3$

I hope I choose the right cordinates...

4 0

4 years ago

Vika [28.1K]

I think the answer is 36π square inches, hope that help MLG M8

6 0

4 years ago