Answer:
7 minutes
Step-by-step explanation:
From the question :
Descent = ascent
Initial height * descent rate = initial position * ascent rate
Plane on ground is at an initial position or height of 0
42000 - 3300t = 0 + 2700t
Where, t = time
-3300t - 2700t = 0 - 42000
-6000t = - 42000
t = 42000 / 6000
t = 7 minutes
Answer:
88/57
Step-by-step explanation:
Look at the photo i send, and you will understand, i Hope that answer i get is correct which can help you
Answer:
28.26 cm
Step-by-step explanation:
circumference of a circle = πd
=3.14 * 9 cm
=28.26 cm
If Eric plays piano, then David will sing.
