45 percent because it's purpose is not to make light, but heat. Since that is excess wasted energy, you would subtract the wasted energy from the units of energy used for the desired task (50-5) and it would give you 45
If Trina has 3 and Randall gave her a fourth multiply 3 by 4: Randall had 12. If Randall had 12 and Selena gave him a third multiply 12 by 3: Selena had 36. If Selena had 36 and Anna gave her half multiply 36 by 2: Anna had 72. Anna had 72 brownies at the beginning :)
-8 < 2x-4 > 4
-4 < 2x > 8
-2 < x > 4
x > 4
Answer:
d^15
Step-by-step explanation:
To Be honest I don't usually like or understand math so to help you out I used MathPapa
