Answer:The answer is 2 if you use a calculator.
Step-by-step explanation:
Answer is B. 48
By circle theorem, the angle at the centre of the circle is twice the angle at the circumference.
Answer:
The child needs a score of 37.2 to move up to the next level of the competition.
Step-by-step explanation:
The mean is the sum of all scores divided by the number of competions. So

In which S is the sum of all her scores and T is the number of competitions.
The child has five competions:
Which means that 
She has to get a mean of at least 36.5, so 
Her scores are: 35.5, 36.3. 36.6, and 36.9. Her last score, i am going to call x. So

The child needs a score of _____ to move up to the next level of the competition.
This score is x. So




Answer:
-4
Step-by-step explanation:
negative plus a negative means add
You add the number then keep the negative sign
Step-by-step explanation:
yes indeed -8 is an integer number
integer number consists of negative number too