Solve the problem.Assume that the seed cube of the Menger sponge has volume 1. Find the volume of the sponge obtained in Step 5 of the construction.

A. 5
B. 5
C. 5
D.
E. 5


Answer: A

Mathematics

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Find the directrices of the hyperbola.y2 - 16x2 = 16

A. y = ± 
B. x = ± 
C. y = ± 
D. y = ± 

Mathematics

Use the appropriate geometric formula to determine the missing dimension (radius, length, or height).Use 3.14 for ?. Round to the nearest hundredth when appropriate.A sphere with a volume of 30 cubic feet.

A. r = 3.11 ft B. r = 1.93 ft C. r = 367.92 ft D. r = 7.17 ft

Mathematics

Solve the problem.During the first five months of the year, Len earned commissions of $3850, $2790, $2450, $2360, and $3580. If Len must have average monthly earnings of at least $3140 in order to qualify for retirement benefits, what must he earn in the sixth month in order to qualify for benefits?

A. at least $3810 B. at least $3006 C. at least $3028 D. at least $3140

Mathematics

Use an inequality symbol to write the given statement symbolically.6 is less than or equal to 2x.

A. 6 < 2x B. 6 ? 2x C. 6 > 2x D. 6 = 2x

Mathematics