4.65
13 ÷ 20 is 0.65, just add the 4
Answer:
4ab +10b
Step-by-step explanation:
Perhaps you want to simplify the expression.

Answer:
3.14 cm²/min
Step-by-step explanation:
rate of increasing of radius, dr/dt = 0.01 cm/min
r = 50 cm
Area of plate, A = πr²
rate of increase of area
dA/dt = 2πr dr/dt
dA/dt = 2 x 3.14 x 50 x 0.01
dA/dt = 3.14 cm²/min
Thus, the increase of rate of area is 3.14 cm²/min.
Answer:
hope this help
Step-by-step explanation:
2⁴×2³/2⁵×2⁴
= 
Answer:
39 Students
Step-by-step explanation: