Answer:

Step-by-step explanation:
The total length of the belt is:


Answer:
Step-by-step explanation: a= E
b=D
c=A
Answer:
by multiplying all numbers seperatly by each other and adding those
Step-by-step explanation:
X2 + 12 = 7x x2 – 7x + 12 = 0factor the equation (x – 3 ) ( x – 4 ) = 0 Then equating both factor to 0 X – 3 = 0 X = 3 And X – 4 = 0 X = 4 So the answer is X = 3 X =4