Answer:
10 min
Step-by-step explanation:
35/7=5 blocks in 1 min
50/5=10
Answer:
Step-by-step explanation:
divide by 3: x^2 = 4
Think you can finish that off now?
I don’t understand the language
Answer:
aₙ= 4n+11
Step-by-step explanation:
the sequence 15, 19, 23, 27
is AP with the first term 15 and
the common difference 19-15=23-19=27-23= 4
aₙ= a₁+(n-1)d
aₙ= 15+(n-1)*4= 15+4n- 4= 4n+11
aₙ= 4n+11
