A design was set for a stained glass window consisting of six congruent rhombi in a flower-like pattern as shown in the figure. The artist wants to paint a pattern along the longer diagonal of each rhombus. The total area of the stained glass window is 648 square inches, and the shorter diagonals of each rhombus are 12 inches long.
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step-by-step explanation:

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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1/3 + 1/5 = 8/15.

step-by-step explanation:

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b: |12 – x| ≤ 0.25

step-by-step explanation:      

let x be the possible lengths in inches, of the ribbons jaime cut.

we have been given that jaime is cutting strips of ribbon for a project. he tries to cut each piece to be 12 inches long, but sometimes he cuts it too long or too short by as much as 0.25 inch.  

we can represent this information in an inequality as:

by the definition of absolute value function we will get,

upon combining our inequalities we will get,

therefore, the inequality   describes all the possible lengths (x), in inches, of the ribbons jaime cut.

step-by-step explanation: