A box shaped like a cube has an edge that is 28 cm long. How much space is available to pack inside the box?
2 answers:
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Answer:
d = 9
Step-by-step explanation:
Calculate the slope of ab then equate to 3.
Calculate the slope m using the slope formula
m =
with (x₁, y₁ ) = (4, 6) and (x₂, y₂ ) = (d, 21)
m = =
= 3 ( multiply both sides by d - 4 )
3(d - 4) = 15 ( divide both sides by 3 )
d - 4 = 5 ( add 4 to both sides )
d = 9