4x3x = 12x
4x2 = 8
So 12x+8-2
circurference of gear = 2πr
= 2π(10)
= 62.83185307 inches
= 62.83 inches (4sf)
Answer:
A. 165 ft²
Step-by-step explanation:
volume = (½×5×6) x 11
= 15 × 11
= 165 ft²
Answer:
(5/2) ² or 25 /4
Step-by-step explanation:
x² - 5x - 18 = 0
x² -5x = 18
x² -5x + (5/2)²= 18 + (5/2)²
Answer:
b = 6
Step-by-step explanation:
Cross multiply: 39(b) = (26)(9)
39b = 234
Divide both sides by 39
b = 6
