Mathematics, 18.09.2019 22:30 3peak101
Use the discriminant to describe the roots of each equation. then select the best description. x2 - 5x + 7 = 0
Answers: 1
, where
is called the Discriminant.
, a=1, b=-5, c=7Another question on Mathematics
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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?
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Use the discriminant to describe the roots of each equation. then select the best description. x2 -...
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