63 = -3(1-2n)
63 = -3 + 6n
6n - 3 = 63
6n = 66
n = 11
<span>The first four civilizations arose in river valleys that made irrigation, and, hence,</span><span> ...</span><span>Bands of hunter gatherers, significant equality between sexes</span><span> ... </span><span>The Neolithic Revolution</span><span> ... </span><span>Agriculture freed up labor, metal-working one such result</span><span> ..... </span><span>The narrower view suggests that the chief difference between civilizations and other
</span>
Answer:
46.5
Explanation:
Given that AOC is the diameter and AO na d OB are the radii, then ΔAOB is an isosceles triangle. Thus the base angles ∠A=∠B
thus
∠BAC=∠A will be found as follows:
sum of angles in a triangle is 180
thus
180-87=
=93
hence
∠A=∠B=93/2=46.5°
Answer: 46.5°
Answer:
The chart illustrates about American Indian populations is an example of the impact that European exploration had on American Indians populations. The chart displays that the population of Taino’s in the year 1492 was over 300,000 and in the year 1548, it was less than 10,000.
Answer:
Chemistry plays an important and useful role towards the development and growth of a number of industries. This includes industries like glass, cement, paper, textile, leather, dye etc. We also see huge applications of chemistry in industries like paints, pigments, petroleum, sugar, plastics, Pharmaceuticals.
