It costs $12 to place 8 lines of copy in a local advertising circular . What is the unit rate per line

ExtremeBDS [4]

the answer would be -21 because you would have to multiply the 24 by -7 because it is dividing on the other side. and then you would have to divide the number you get by 8

so basically, it will look like this step by step:

-7/8x=24

8x=24*-7

8x=-168

x=-168/8

x= -21

7 0

4 years ago

Find the measure of the arc or angle indicated.

vekshin1

The answer is D 48 degrees

7 0

3 years ago

The radius of a sphere is increasing at a rate of 0.5 centimeters per minute. At a certain instant, the radius is 17 centimeters

Usimov [2.4K]

Using implicit differentiation, it is found that the rate of change of the volume of the sphere at that instant is of 1815.84 cubic centimetres per minute.

The volume of a <u>sphere of radius r</u> is given by:

$V = \frac{4\pi r^3}{3}$

Applying <u>implicit differentiation</u>, the rate of change is of:

$\frac{dV}{dt} = 4\pi r^2\frac{dr}{dt}$

In this problem, we have that $\frac{dr}{dt} = 0.5, r = 17$ , thus:

$\frac{dV}{dt} = 4\pi (17)^2(0.5) = 1815.84$

The rate of change of the volume of the sphere at that instant is of 1815.84 cubic centimetres per minute.

A similar problem is given at brainly.com/question/11496075

3 0

3 years ago

Find all x-intercepts and y-intercepts of the graph of the function . f(x) = - x ^ 3 + x ^ 2 + 12x If there is more than one ans

ololo11 [35]

Answer:

The y-intercept is (0,0)

The x-intercepts are (-3,0), (0,0), and (4,0)

Step-by-step explanation:

So we have the function:

$f(x)=-x^3+x^2+12x$

And we want to solve for the x- and y-intercepts.

Y)

To solve for the y-intercept, recall that the y-intercept is when the graph touches the y-axis. At that point, the x values is 0. Thus, to find the x-intercept, substitute 0 for x:

$f(x)=-(0)^3+(0)^2+12(0)$