Answer:
42 cm
Step-by-step explanation:
Area of rectangle (shaded area):
length × breadth
length: 7 cm
breadth: 7 - 2(0.5) = 6 cm
7 × 6 = 42 cm
Answer:
52.329km/hours
Step-by-step explanation:
x = speed
100/x - 100/(x+5) = 1/6
==> x= (5sqrt(481)-5)/2 = 52.329km/hours
Answer:
c
Step-by-step explanation: