Step-by-step explanation:
0.75a + 2(0.90) = 27.60
is the correct answer
Circumference = πd = 3.14*559 = 1755.26
The spokes divide the circumference into 32 arcs. Each arc length is 1755.26/32 = 54.75 mm
Use a system of equations:
For his trip on the way there:
D = 7*s
For his trip on the way home you have:
D = 5*(s+18)
use substitution to solve
Answer:
Congruent angles and proportional side lengths
Step-by-step explanation:
