Mathematics, 07.01.2020 17:31, mat1413
which of the following equations represents a parabola that opens up and has a vertex with a positive x-value?
a) y=-x^2+8x-15
b) y=2x^2-16x+38
c) y=2x^2+16x+24
d) y=-4x^2-14x-12
Answers: 2
Mathematics, 21.06.2019 21:30, izabelllreyes
Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?
Answers: 2
Mathematics, 21.06.2019 23:30, shadowz8813
Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.
Answers: 3
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 –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?
Answers: 2
which of the following equations represents a parabola that opens up and has a vertex with a positiv...
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