Answer:
Step-by-step explanation:
Answer:
a(75) = 793
Step-by-step explanation:
Arithmetic Explicit Formula: an = a1 + (n-1)d
Step 1: Find equation
d = (1-(-10)) = 11
a1 = -21
an = -21 + 11(n-1)
Step 2: Plug in 75 as <em>n</em>
a(75) = -21 + 11(75-1)
a(75) = 793
And we have our final answer!
Answer: 20
Step-by-step explanation: there are 20 boys
Common ratio r = 36/54 = 2/3
Next term = 24 × 2/3 = 16
Answer: 9
Step-by-step explanation: