If it was reduced by 49 to 140 than obviously the original price was 189$
Answer:
A
Step-by-step explanation:
Answer:
Planet Distance from Sun (in Km) Distance in scientific notation
Mercury 57,909,000 Km 5.7909 X 10^3
Earth 150.33 Million Km 1.50.33 X 10^6
Mars 2.10.06 Million Km 2.1006 X 10^6
Jupiter 768.26 Million Km 7.6826 X 10^6
Neptune 4.4763 Billion Km 4.4763 X 10^9
Uranus 2.5957 Billion Km 2.5957 X 10^9
Saturn 1.4936 Billion Km 1.4936 X 10^9
Venus 107.95 Million Km 1.0795 X 10^6
Step-by-step explanation:
Step-by-step explanation:
![ratio \:of \:surface \:areas\\=\frac{2[5\times 7 + 7\times 3+3\times 5]}{2[20\times 28+ 28\times 12+12\times 20] }\\\\=\frac{[35 + 21+15]}{[560+ 336+240] }\\\\=\frac{71}{1136}\\\\=\frac{1}{16}\\\\= 1\: :\: 16](https://tex.z-dn.net/?f=%20ratio%20%5C%3Aof%20%5C%3Asurface%20%5C%3Aareas%5C%5C%3C%2Fp%3E%3Cp%3E%3D%5Cfrac%7B2%5B5%5Ctimes%207%20%2B%207%5Ctimes%203%2B3%5Ctimes%205%5D%7D%7B2%5B20%5Ctimes%2028%2B%2028%5Ctimes%2012%2B12%5Ctimes%2020%5D%20%7D%5C%5C%5C%5C%3C%2Fp%3E%3Cp%3E%3D%5Cfrac%7B%5B35%20%2B%2021%2B15%5D%7D%7B%5B560%2B%20336%2B240%5D%20%7D%5C%5C%5C%5C%3C%2Fp%3E%3Cp%3E%3D%5Cfrac%7B71%7D%7B1136%7D%5C%5C%5C%5C%3C%2Fp%3E%3Cp%3E%3D%5Cfrac%7B1%7D%7B16%7D%5C%5C%5C%5C%3C%2Fp%3E%3Cp%3E%3D%201%5C%3A%20%3A%5C%3A%2016)
45 Degrees on each side means it is equal, for an "equilateral" triangle.
