Answer:
29
Step-by-step explanation:
Given the expression
where x is the unknown base:
![75_8 = 23_x\\7\times8^1 +5\times8^0 = 2\times x^1+3 \times x^0\\56+5 = 2x+3\\61 = 2x+3\\2x = 61-3\\2x = 58\\x = 58/2\\x = 29](https://tex.z-dn.net/?f=75_8%20%3D%2023_x%5C%5C7%5Ctimes8%5E1%20%2B5%5Ctimes8%5E0%20%3D%202%5Ctimes%20x%5E1%2B3%20%5Ctimes%20x%5E0%5C%5C56%2B5%20%3D%202x%2B3%5C%5C61%20%3D%202x%2B3%5C%5C2x%20%3D%2061-3%5C%5C2x%20%3D%2058%5C%5Cx%20%3D%2058%2F2%5C%5Cx%20%3D%2029)
Hence the missing base is 29
Answer:
3 gallons
Step-by-step explanation:
if 1 gallon is consumed for 54 miles
what about 164 miles ..
so you take 1 * 162
..........
54
Answer:
$813.95
Step-by-step explanation:
Before Tax Price: $813.95
Sale Tax: 8.50% or $69.19
After Tax Price: $883.14
Answer: y = -4/3x + 15
3y = 45 - 4x (subtract 4x from both sides)
y = -4/3x + 15 (divide both sides by 3)
Rombus, rectangle, and square are the answers.