Mathematics, 15.12.2019 22:31 lilkit
90 points a geologist studying an ancient riverbed calculates that there are at least 2,000 microfossils in every liter of soil that he collects.
how many liters of soil should he collect if he wants to obtain 7,500 microfossils for his research study? round your answer to the nearest tenth.
a. about 0.3 liters
b. about 2.7 liters
c. about 3.8 liters
d. about 37.5 liters
Answers: 3
Mathematics, 21.06.2019 16:00
Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!
Answers: 3
Mathematics, 21.06.2019 21:30
You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?
Answers: 2
Mathematics, 21.06.2019 22:00
Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2
Answers: 1
90 points a geologist studying an ancient riverbed calculates that there are at least 2,000 microfos...
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