Mathematics, 03.08.2019 12:00 camiee13dvivvj
Trees in urban areas keep air fresh by absorbing carbon dioxide. a city has $2100 to spend on planting spruce and maple trees. the land available for planting is 45,000 square feet. spruce trees cost $30 to plant and require 600 square feet of space. maple trees cost $40 to plant and require 900 square feet of space. spruce trees absorb 650 lb/yr of carbon dioxide and maple trees absorb 300 lb/yr of carbon dioxide. how many of each tree should the city plant to maximize carbon dioxide absorption?
Answers: 1
Mathematics, 21.06.2019 13:30
In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below
Answers: 1
Mathematics, 21.06.2019 18:20
What is the solution set of the quadratic inequality x2- 5< 0? o {xl-55x55{x- 155x55){xl -55x5 15){x1 - 15 sx5/5)
Answers: 2
Mathematics, 21.06.2019 19:30
Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.
Answers: 1
Mathematics, 21.06.2019 19:30
Combine the information in the problem and the chart using the average balance method to solve the problem.
Answers: 2
Trees in urban areas keep air fresh by absorbing carbon dioxide. a city has $2100 to spend on plant...
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