Mathematics, 04.02.2021 03:20, lyssa128
You are an astronomer on planet Nearth, which orbits a distant star. It has recently been accepted that Nearth is spherical in shape, though no one knows its size. One day, while studying in the library of Alectown, you learn that on the equinox your sun is directly overhead in the city of Nyene, located 1200 kilometers due north of you. On the equinox, you go outside in Alectown and observe that the altitude of your sun is 79 ∘.
What is the circumference of Nearth?
Hint: Apply the technique used by Eratosthenes to measure Earth’s circumference.
Answers: 2
Mathematics, 21.06.2019 15:50, winterblanco
Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n
Answers: 1
Mathematics, 21.06.2019 16:00, Xghoued2056
Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz
Answers: 1
You are an astronomer on planet Nearth, which orbits a distant star. It has recently been accepted t...
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