Answer:
Step-by-step explanation:
The work done changes the potential energy
ΔPE = mgΔh = 450(10)(50) = 225,000 = 225 kJ
power is the rate of doing work
P = 225000/5 = 45000 W = 45 kW
Answer:
Firstly this is all about luck my predictions is impossible to be accurate
ANyways i think ther are 30 red,10 green and 60 blue
Step-by-step explanation:
7 red marbles, 2 green marbles and 11 blue marbles.
Firstly this is all about luck my predictions is impossible to be accurate
ANyways i think ther are 30 red,10 green and 60 blue
You have x , x+7, and 7x-7. When you add those up and equal it to 180 you can get your x. X equals 20
So one angle is 20 degrees
The second angle is 27 degrees
And the third angle is 133 degrees.
Answer:
29
Step-by-step explanation:
Given
- 5x + 4 ← substitute x = - 5 into the expression
= - 5(- 5) + 4 = 25 + 4 = 29
Answer:
8 times 9 times 7
504
Step-by-step explanation: