Mathematics, 20.08.2019 03:20, victoria6929
The illuminance of a surface varies inversely with the square of its distance from the light source. if the illuminance of a surface is 120 lumens per square meter when its distance from a certain light source is 6 meters, by how many meters should the distance of the surface from the source be increased to reduce its illuminance to 30 lumens per square meter?
Answers: 2
Mathematics, 21.06.2019 18:30, kimmosley80
The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.
Answers: 1
Mathematics, 22.06.2019 02:10, bertha4082
What is 4(x2 â 3x) + 12x2 + x simplified? f 4x2â3x h 16x2â11x g13x2â2x i16x2â12x
Answers: 1
Mathematics, 22.06.2019 05:00, bryneosburn
Abigail made a quilt that has an area of 4800 square inches. the length of the quilt is 1 1/3 times the width of the quilt. what are the dimensions of the quilt
Answers: 1
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