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Phoenix [80]
3 years ago
9

Find the surface area of this cuboid

Mathematics
1 answer:
Whitepunk [10]3 years ago
7 0

Answer:

32cm^2

Step-by-step explanation:

The surface area is the sum of surfaces of all walls.

The 3 visible walls are 2cm*3cm, 2cm*3cm and 2cm*2cm.

The 3 invisible walls are each identical to the parallell walls.

The surface area is

2 * (2cm*3cm + 2cm*3cm + 2cm*2cm) = 2 * (6cm^2 + 6cm^2 + 4cm^2) = 2 * 16cm^2 = 32cm^2

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Answer:

The average rate of change over the interval is 120

Step-by-step explanation:

For a function f(x) the average rate of change over an interval [a,b] is given as;

f(b)-f(a)/b-a

in this case, a is 2 and b is 4

f(b) is 256 and f(a) is 16

Substituting these values in the equation for rate of change, we have;

(256-16)/(4-2) = 240/2 = 120

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Assuming the numerator was 1.

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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