Math Problem Statement
Every 41,000 years, the Earth's tilt gradually changes, swinging between 23.1" and 24.5". This seemingly small adjustment can have a dramatic impact on the amount of sunlight different regions receive, influencing rainfall patterns and ultimately contributing to the Sahara's transformation from lush grassland to arid desert and back again.
a) Find the amount the earth's tilt will have changed after ten thousand years. To receive full credit, you must use fraction multiplication to support your answer.
b) Find how long it will take (in years) for the earth's rotation to change one degree. To receive full credit, you must use fraction multiplication to support your answer.
Solution
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Math Problem Analysis
Mathematical Concepts
Fraction Multiplication
Proportions
Formulas
Change in Earth's tilt = (Years passed / Total period) × Total change
Time for 1 degree = (1 degree / Total change) × Total time
Theorems
Proportionality Theorem
Suitable Grade Level
Grades 9-11
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