Answer:
-62/23 degrees per hour
Step-by-step explanation:
Do this by dividing the total change in temperature (-15 1/2 degrees) by the total elapsed time (5 3/4 hrs):
-31/2 degrees -62/4 degrees Note: convert 31/2 to 62/4
--------------------- = ------------------------ = -62/23 degrees per hour
23/4 hrs 23/4 hrs
Answer:
-4a
Step-by-step explanation:
5a + -9a = -4a
hope this helps
Answer:
-9(7+3)x
Step-by-step explanation:
7+3=10×9=90 so that'll be 90x
