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Elodia [21]
3 years ago
8

This is a picture of a cube and the net for the cube. What is the surface area of the cube?

Mathematics
1 answer:
mina [271]3 years ago
4 0

Answer:

486\ in^2

Step-by-step explanation:

we know that

The surface area of the cube is equal to the area of its six square faces

so

SA=6b^2

where

b is the length side of the cube

we have

b=9\ in

substitute

SA=6(9)^2=486\ in^2

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olga_2 [115]
Okay, 
So we know how many pizzas they sold throughout the week, we add those together.
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You divide "405" by the amount of numbers there are.

so "5" into "405"
5 goes into 40 8 times
now we have 5 into 5 which goes 1 time.
Our answer is a solid 81.

To check our work, we can multiply 81 by 5. 
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A. 81 is your answer 
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3 years ago
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Enter the recursive rule for the geometric sequence.<br> screenshot included!
Anastaziya [24]
Explicit rule:
a(n)=(2/5)(5^(n-1))

For a recursive rule, we need to express a(n) in terms of a(n-1), which we can obtain from the explicit rule
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Divide:
a(n)/a(n-1)=(2/5)(5^(n-1)) / ((2/5)(5^(n-2)))
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6 0
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Dovator [93]

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Step-by-step explanation:

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4 years ago
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Katyanochek1 [597]
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7 0
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Naddika [18.5K]

144 cm^2

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