Mathematics, 09.01.2020 15:31 ale2035
There are 2,100 bacteria in a circular petri dish. the dish has a radius of 40 millimeters. what is the approximate population density? (use 3.14 for π) area of a circle = πr2 0.02 bacteria per square millimeter 0.42 bacteria per square millimeter 2.39 bacteria per square millimeter 52.5 bacteria per square millimeter
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 16:40
Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0
Answers: 1
Mathematics, 21.06.2019 21:30
The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet
Answers: 3
Mathematics, 21.06.2019 22:00
What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?
Answers: 1
You know the right answer?
There are 2,100 bacteria in a circular petri dish. the dish has a radius of 40 millimeters. what is...
Questions
Mathematics, 25.09.2019 04:00
