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Alla [95]
3 years ago
11

A sphere with a diameter of 8 inches. What is the surface area of the sphere shown? 16Pi in2 32Pi in2 64Pi in2 256Pi in2

Mathematics
1 answer:
Viefleur [7K]3 years ago
5 0

Answer:

201.06 in^2/32Pi in2

Step-by-step explanation:

4Pi in2*8=32Pi in2

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Find (g • f) ^(3) PLEASE HELLPP
spayn [35]
The first thing we are going to do to find (g°f)(3), is find (g°f)(x). To do that, we are going to evaluate g(x) at f(x):
(g°f)(x)=g(f(x))=g(3x-2)=(3x-2)^2=9x^2-12x+4

Now, we can evaluate (g°f) at 3:
g(f(3))=9(3)^2-12(3)+4
g(f(3))=9(9)-36+4
g(f(3))=81-32
g(f(3))=49

We can conclude that the correct answer is c. 49
6 0
3 years ago
Solve P=Kt/v for k
yan [13]
Multiple both sides of the equation by V, and divide both sides by T.. You'll get PV/T=KT/V*(V/T)=K.
8 0
3 years ago
Use the slope-intercept form to Graph y=-1/8x+2
noname [10]

Step-by-step explanation:

This is a straight line equation. We only need two points to draw a straight line.

Choose two different numbers, put them into the equation instead of x, and calculate the value of y.

y=-\dfrac{1}{8}x+2

for x = 8

y=-\dfrac{1}{8}\cdot8+2=-\dfrac{8}{8}+2=-1+2=1

<h2>(8, 1)</h2>

for x = -8

y==-\dfrac{1}{8}\cdot(-8)+2=\dfrac{8}{8}+2=1+2=3

<h2>(-8, 3)</h2>

Mark the points in the coordinate system and draw a straight line through the given points.

<em>(look at the attachment)</em>

4 0
3 years ago
Find the area of the figure.
Hoochie [10]

Answer:

384 cm

Step-by-step explanation:

7.5 x 24 = 180

8.5 + 7.5 = 16

16 x 24 = 384

5 0
2 years ago
The owner of the Rancho Grande has 3,060 yd of fencing with which to enclose a rectangular piece of grazing land situated along
Pavel [41]

Answer:

1170450 yd^2

Step-by-step explanation:

The first thing is to calculate the necessary perimeter, which would be like this:

2 * a + b = 3060

if we solve for b, we are left with:

b = 3060-2 * a

Now for the area it would be:

A = a * b = a * (3060-2 * a )

A = 3060 * a -2 * a ^ 2

To maximize the area, we calculate the derivative with respect to "a":

dA / da = d [3060 * a -2 * a ^ 2

]/gives

dA / day = 3060 - 4 * a

If we equal 0:

0 = 3060 - 4 * a

4 * a = 3060

a = 3060/4

a = 765 and d

Therefore b:

b = 3060 - 2 * a = 3060 - 1530 = 1530

A = a * b

A = 765 * 1530

A = 1170450 and d ^ 2

3 0
2 years ago
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