All categories

2 years ago

For the function, f(x)=-8, find:

Mathematics

1 answer:

stealth61 [152]2 years ago

8 0

B - f(3) does not exist

You might be interested in

Please help with this question!! I need serious help!!

asambeis [7]

Answer:

<h2>The circumference is multipled by 4.</h2>

Step-by-step explanation:

The formula of an area of a circle"

$A=\pi r^2$

The formula of a circumference of a circle:

$C=2\pi r$

The area multipled by 16:

$16A=16\pi r^2\\\\16A=\pi(4^2r^2)\\\\16A=\pi(4r)^2$

The radius has increased fourfold, therefore:

$C'=2\pi(4r)=4(2\pi r)=4C$

The circumference is multipled by 4.

You can calculate the area and check the circumference:

$r=11.6\ in\\\\A=\pi(11.6)^2=132.56\pi\\\\16A=(16)(134.56\pi)=2152.96\pi\ in^2$

Calculate the radius:

$\pi r^2=2152.96\pi$ <em>divide both sides by π</em>

$r^2=2152.96\to r=\sqrt{2152.96}\\\\r=46.4\ in$

Calculate the circumference of both circles:

$r=11.6\ in\\\\C=2\pi(11.6)=23.2\pi\ in$

$r=46.4\ in\\\\C'=2\pi(46.4)=92.8\pi\ in$

$\dfrac{C'}{C}=\dfrac{92.8\pi}{23.2\pi}=4\to C'=4C$

5 0

2 years ago

Surface area formula <br> of a parallelogram prism

Alina [70]

SA=bh (surface area for parallelogram prism)

8 0

2 years ago

What is the positive square root of 0.25

Mrrafil [7]

$\sqrt{0.25} = 0.5 \: or \: - 0.5$
Positive square root of 0.25 = 0.5

Hope this helps. - M

7 0

2 years ago

Read 2 more answers

X - 150 = y<br> x - y = 50<br> x + y = 180<br> x = y + 60<br> what is x?

Murrr4er [49]

It is y=x-150 because x−150+150=y+150

4 0

2 years ago

How would I do this

Solnce55 [7]

Answer:

the ramp must be lowered

Step-by-step explanation:

Use the definition of the sine function to find the height of a ramp that is 8°.

Sine = Opposite/Hypotenuse

sin(8°) = height/8

height = 8×sin(8°) = 1.11

The height Nate's dad allows is 1.11 feet. At 1.5 feet, the ramp is too high.

The ramp must be lowered.

4 0

2 years ago