Answer:
Mean age = 1271.27
Step-by-step explanation:
No of children = 77
The age at which children first began to combine words = 16.51 months
Mean age = No of children × age at which children first began to combine words
= 77 × 16.51
= 1271.27
Mean age = 1271.27
10 is the answer i think bro
Answer:
The answer is 1/22.
Step-by-step explanation:
→ (1/8) ÷ (11/4)
→ (1/8) × (4/11)
→ (1×4)/(8×11)
→ 4/88
→ 1/22 [Simplest form]
Thus, 1/22 is the solution.
Answer: 4^2 + 9
Step-by-step explanation:
Simplify
4x^2 - 2x + 1 + 2x + 8
Collect like terms
4^2 + (-2x+2x) + (1+8)
Simplify
4x^2 + 9