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NeX [460]
3 years ago
12

Find the surface area of the sphere.

Mathematics
2 answers:
crimeas [40]3 years ago
5 0

Answer:

256π sq. in.

Step-by-step explanation:

fenix001 [56]3 years ago
4 0

Answer:

804 in^2

Step-by-step explanation:

The surface area of a sphere is given by A = 4πr^2, where r is the radius of the sphere.

Here, A = 4π*8^2 in^2 (must use units of measurement)

              =256π in^2, or approximately 804 in^2

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They estimate that their current (older) fridge, which they got for free, costs them about $17 a month in electricity charges to
Eddi Din [679]

Step-by-step explanation:

Step one:

given

current (older) fridge

electricity charges= $17 monthly

maintenance costs= $220

let the number of months be x

and the total cost be yo

the expression for the cost for the old fridge is

yo=220+17x---------1

New  fridge

electricity charges= $6 monthly

costs=  $1,050

let the number of months be x

and the total cost be yn

the expression for the cost for the old fridge is

yn= 1050+6x---------2

Hence the system of equation for the situation is

yo=220+17x---------1

yn= 1050+6x---------2

Step two

for 10 years there are 12*10= 120 months

put x= 120 in both expressions and compare the total

yo=220+17(120)---------1

yo=220+2040

yo=$2,260

yn= 1050+6(120)---------2

yn=1050+720

yn=$1770

<u><em>Based on the analysis it will be less expensive to get the new fridge, hence buying the new fridge is worth it.</em></u>

3 0
3 years ago
What is the probability that mattias picks an outfit at random that includes red shoes?
DanielleElmas [232]
It depends how many outfits she has and how many outfits have red shoes
8 0
3 years ago
(y^-5)^-10y^10<br><br>the answers are in the image​
fredd [130]

Answer:

\large\boxed{y^{60}}

Step-by-step explanation:

(y^{-5})^{-10}y^{10}\qquad\text{use}\ (a^n)^m=a^{nm}\\\\=y^{(-5)(-10)}y^{10}=y^{50}y^{10}\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=y^{50+10}=y^{60}

6 0
3 years ago
How to Solve the problem 7/8 x 4 =
musickatia [10]

Answer:

The Answer is gonna be 7/8 x 4 =3.5

This is the right Answer :3

I hope you are having a great day ❤️❤️❤️

5 0
3 years ago
Read 2 more answers
The cabinet is 30 inches long. the width is half the length. the height of the cabinet is 23 inches long. what is the volume of
Sergeu [11.5K]

Answer:

10,350‬

Step-by-step explanation:

30*15*23=10,350

6 0
3 years ago
Read 2 more answers
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