One face of a cube has an area of 12 feet2. What is the surface area of the cube? A. 24 feet2 B. 144 feet2 C. 12 feet2 D. 72 fee
t2
1 answer:
A cube has 6 faces.
The area of one face is 12 feet^2
Multiply the area of one face by 6
The area of the whole cube would be 12 x 6 sides = 72 feet^2
The answer is D.
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You would multiply 6 by 3 and x by 4. You would end up getting 4x = 18 and then you simplify that to get 9/2 or 4.5.
You can do that using +6 and -6 .
(6) · (-6) = - 36
(6) + (-6) = 0
Inverse Property, I am pretty sure. Not sure though.
Y=3x-4
Because your slope is 3 when you do change in y over change in x. Y intercept is neg 4.
A. Y= -7
X=2
4x+2y=-6
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