Explain What is the surface area of a cube with faces that each have an area of 14 cm2?

Mathematics

2 answers:

Naily [24]3 years ago

8 0

I believe it is B. I could be wrong but I am hoping that you get it right

Basile [38]3 years ago

3 0

Does 14cm2 mean 14cm squared? Because if it does then each face is 196cm and thats D but then u have to times it by 6 which isnt one of the answers. If 14cm2 is 14x2 then thats 28cm area for each face, so the whole cube is 28x6.

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Nata [24]

Answer:

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3 years ago

The volume of a rectangular pyramid is 900 cubic centimeters.It has a length of 10 centimeters and a width of 9 centimeters. Wha

MariettaO [177]

The height of a rectangular pyramid is 30 cm.

volume of rectangular pyramid = (length x width x height) / 3

Given:
Volume = 900 cm³
Length = 10 cm
Width = 9 cm
Height = ?

V = lwh/3
900 cm³ = (10cm * 9cm * h)/3
900 cm³ * 3 = (90cm² * h)/3 * 3
2700 cm³ = 90cm² * h
2700 cm³/90cm² = 90cm² * h/90 cm²
30 cm = h

to check:
900 cm³ = (10 cm * 9 cm * 30 cm)/3
900 cm³ = 2700 cm³/3
900 cm³ = 900 cm³

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3 years ago

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laila [671]

I hate APEX!

A is right since the graph would start at 2 and go towards negative infinity

D is right both graphs approach +2 as thier highest values

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Phoenix [80]

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