Determine the similarity ratio for each pair of similar solids.
Choice of
k=?
7 out of 4 (fraction),
13 out of 9 (fraction),
2197 out of 243 (fraction)
49 out of 16 (fraction).

a)

b)

Step-by-step explanation:

a) The similarity ratio is given by;

This implies that:

This simplifies to:

Take positive square root:

Therefore the similarity ratio is:

b) This time the size are in volumes: We still use the same approach. But this time:

Take cube root:

The similarity ratio is

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step-by-step explanation:

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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step-by-step explanation: