HELP PLS THIS IS WORTH 50 POINTS ON MY EXAM x^2 - 64 Find the factored expression

Mathematics

1 answer:

Alex2 years ago

7 0

Answer:

(x-8)(x+8)

Step-by-step explanation:

Difference of squares

Basically take the square root of 64 and place the answer into the two sets of parenthesis

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Find the surface area of the pyramid shown to the nearest whole number. The base is a regular hexagon.

Fiesta28 [93]

The surface area of the pyramid will be given as follows:
Area of triangles:
A=1/2×base×height
A=1/2×12×18
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Area of 6 triangles is given by:
A=108×6=648 m²

Area of the hexagon:
A=6×1/2×12×6√3
A=374.123m²

Total surface area:
SA=648+374.123
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