Answer:
The sum of the first five classroom numbers in a row is 5k + 20
Step-by-step explanation:
Since the smallest classroom number on the side of the building is numbered k and each consecutive odd integer is separated by a difference of
2.
Therefore:
k is the first class room.
k + 2 is the second class room.
k + 4 is the third class room.
k + 6 is the third class room.
k + 8 is the fifth class room.
The sum of the five consecutive class rooms are given as:
k + (k + 2) + (k + 4) + (k + 6) + (k + 8)
collecting alike terms we get
= k + k + k + k + k + 2 + 4 + 6 + 8
= 5k + 20
Therefore, The sum of the first five classroom numbers in a row is 5k + 20.
Answer:
5 - 20/0.10 =
Step-by-step explain
20-5 = 15
15/0.10 = 150
150 = 2h and 30min
so he has to use 2h/30min on the phone
Answer:
97.
Step-by-step explanation:
9215 / 95
= 97.
Your answer is the fourth option, or option 'D'. y=2x+1 As the x value increases by 2, the y value increases by 1 hence y=2x+1 I hope this helped! :)