Question

tell me the answer friend.​

Answer 1

Answer:

here ,a1 = 40 , d = -5 , so , a11 = a1 + 10d = 40 - 50 = -10

so , after 10 hours , room temperature will be -10 ℃ dear .

Answer 2

Answer:

50 degree

Step-by-step explanation:

if 5 degrees per hour then ,

5 = 1hr

? = 10

( Cross multiplication )

5x 10/1

= 50/1

= 50 degrees