(1) PARTE: APPLICATION
Answer the following questions, giving reasons for your statements:
1.
In triangle ABC, AB = 8 cm, BC = 7 cm and AC = 6 cm.
D, E and F are the midpoints of AB, BC and CA respectively.
Determine the lengths of the sides of triangle DEF.
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Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?