4 times 1 equals 4 then do 81 minus 4 which equals 77 so 77 is your answer
Answer:
56cm^3
Step-by-step explanation:
Split the shape into a triangle and a rectangle
Area of triangle = half base X height
=half of 4X(6-2=4)=8 8X2=16
The volume of the triangle is 16
4X5X2=40 40+16=56
Answer:
Sam
Step-by-step explanation:
Sam: Longest ski trail >3x x = shortest ski trail
Eli: Longest ski train< 3x
Sam is correct because the longest ski trail has to be greater than the shortest and it can't be less than.
Answer:
a truck mass 2000. kg is travelling at 45 m/s when the driver spots a policeman ahead. The driver applies the brakes lightly for 3.0 s until he slows down below the speed limit. If the average force applied to the brakes was 1.4 x 10^4 N, by how much did the kinetic energy of the car change?
Step-by-step explanation: