The coincidence of ore shoots and alteration body with certain structural elements of the Casapalca anticlinorium is discussed. The results of a systematical thin-slide study of the rock type under discussion are in favour of alteration. Various opinions about the origin have been brought forward. In the centre of the mine in the single zone of the most conspicuous parallel vein system a body of rock has been intersected that does not fit in the stratigraphical sequence. The Casapalca mining district in central Peru is a source of lead, zinc, silver and copper ores of the lepthothermal type. by 12.5 in.The central alteration body of the Casapalca mines, Peru How long will it take each tank to be half-full?Ī. Two rectangular tanks are filled at a rate of 0.5 cubic inches per minute. Jenny would need a total of 106.9 ounces. ![]() If one ounce of jelly beans is approximately 30 cm^3, estimate how many ounces of jelly beans Jenny will need to fill all four boxes? Explain your estimates.ĭivide each volume in cubic centimeters by 30. Jenny wants to fill each box with jelly beans. It is $1.20 cheaper.Įach prism below is a gift box sold at the craft store.ī. ![]() ![]() To convert cubic inches to gallons, divide by 231.ħ15 in 3 ∙ \(\frac\) ∙ 120 in 2 = $6.00 Is this claim true? Explain your reasoning. The box it came in says that it is a 3-gallon tank. It is the same shape and size as the right rectangular prism shown in the Opening Exercise.Ī. Engage NY Eureka Math 7th Grade Module 3 Lesson 25 Answer Key Eureka Math Grade 7 Module 3 Lesson 25 Example Answer Key
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