Answer:
49开
Step-by-step explanation:
Answer:
a. L = 20t
Step-by-step explanation:
The length increases by 20 millimeters per minute
Step-by-step explanation:
The first term of the AP (a) = 3
and common difference (d) = 8-3= 5
therefore, a+(n-1)d = 78
=> 3+(n-1)5= 78
=> n-1=75/5
=> n-1 = 15
=> n= 16
16th term of the AP is 78
Answer:
C
Step-by-step explanation:
B/c 0 is included in the range since it the origin of the graph and it then goes to negative infinity. This is why y has to be less than equal to 0 which means 0 is included and graph goes to negative infinity.
Answer:
Greater or equal to 20 >/_
Step-by-step explanation: