Mathematics, 18.11.2020 19:30, jchavez0790
What is the general form of the equation of a circle with its center at (-2, 1) and passing through (-4, 1)?
x2 + y2 β 4x + 2y + 1 = 0
x2 + y2 + 4x β 2y + 1 = 0
x2 + y2 + 4x β 2y + 9 = 0
x2 β y2 + 2x + y + 1 = 0
Answers: 3
Mathematics, 21.06.2019 20:30, qveenvslayin
Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?
Answers: 1
Mathematics, 21.06.2019 23:00, thebrain1345
The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?
Answers: 1
Mathematics, 22.06.2019 00:00, egirl7838
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 β0.414t + 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?
Answers: 2
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