The two angles given are vertical angles which mean they are the same.
x +40 = 60
Subtract 40 from both sides:
x = 20
3 points. Do the vertical line test.
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
Greetings! Hope this helps!
Answer
A) .53333333333
Explanation
8 divided by 15 = .5333333
Have a good day!
_______________
A brainliest would help tons! :D
