Mathematics, 05.11.2020 01:00 nimahmustafa
our light bulbs use different amounts of electricity, Which light bulb uses the least amount of electricity per hour? Brand A 400 watts in 10 hours Brand B 200 watts in 8 hours Brand C 180 watts in 3 hours Brand D 140 watts in 4 hours *
Answers: 2
Mathematics, 21.06.2019 15:30
Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.
Answers: 1
Mathematics, 21.06.2019 15:30
The function Ζ is defined by Ζ(x) = (x + 3)(x + 1). the graph of Ζ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of Ζ?
Answers: 2
Mathematics, 21.06.2019 18:50
Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?
Answers: 1
our light bulbs use different amounts of electricity, Which light bulb uses the least amount of elec...
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