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:
1) A KitKat Crispy bar
2) B4
3) Then the machine is broken
4) It could be a malfunction
5) No, someone messed up the stickers
6) Them the machine is working
Answer:
the ration of 3:5. 5 x 4 gives you 20 so, 3x4 gives you 12.
Answer:
the value of x that makes this equation true is 9
Step-by-step explanation:
2(x - 6) + x + 14 = 4(x - 3) + 5
<em>open the parenthesis</em>
2x - 12 + x + 14 = 4x - 12 + 5
<em>add 12 to both sides of the equation</em>
2x - 12 + 12 + x + 14 = 4x - 12 + 12 + 5
2x + x + 14 = 4x + 5
<em>subtract 5 from both sides of the equation</em>
2x + x + 14 - 5 = 4x + 5 - 5
3x + 14 - 5 = 4x
3x + 9 = 4x
<em>subtract 3x from both sides of the equation</em>
3x - 3x + 9 = 4x - 3x
9 = 4x - 3x
9 = x
check the answer:
2(x - 6) + x + 14 = 4(x - 3) + 5
2(9 - 6) + 9 + 14 = 4(9 - 3) + 5
29 = 29
Step-by-step explanation:
Would equal 12 if the parenthesis indeed equal the absolute value of -6 which is simply 6. 6 x 2 = 12. When you multiply by a negative number, it negates the answer, so -6 x 2 would be -12.
so
12 to the power of 2
