Answer:
3x + 9 + 4x + x = 8x + 9
Step-by-step explanation:
combine like terms
Answer:
its 50
Step-by-step explanation:
Answer:
t=10 s
Step-by-step explanation:
v=u+gt
108=10+9.8t
108-10=9.8t
9.8t=98
Answer:
The heat is produced by a 150-W light bulb that is on for 20-hours is 10200 BTU.
Step-by-step explanation:
To find : How much heat (Btu) is produced by a 150-W light bulb that is on for 20-hours?
Solution :
A 150-W light bulb is on for 20-hours.
The heat produced by bulb is given by,
We know that,
Converting W-hr into BTU,
Therefore, The heat is produced by a 150-W light bulb that is on for 20-hours is 10200 BTU.