Mathematics, 20.04.2020 02:47 KATE1223
You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. you will have no access to any electricity, but you must be able to illuminate the entire grounds. you know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. suppose the intensity is 90 w/m^2 when the distance is 5 m.
a. Write an equation to model the situation.
b. Solve for the constant of variation.
c. Write the equation to model the situation using the constant (k) of variation.
d. You have been given lanterns with 40 W/m^2 light intensity. Use your equation to solve for the distance from the lantern.
e. You need to illuminate 225 km. how many meters do you need to light? f. How many lanterns will you need?
Answers: 2
Mathematics, 21.06.2019 17:20
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Answers: 1
Mathematics, 21.06.2019 19:30
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Afurniture store is having a weekend sale and is offering a 20% discount on patio chairs and tables the sales tax on furniture is 6.25%
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Mathematics, 22.06.2019 01:00
Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit
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You are the coordinator for a program that is going to take place at night in a rectangular amphithe...
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