Answer:
83
Step-by-step explanation:
82+87+83+77+70+80+88= 567
Then you divide that answer by the number of numbers you added by which is 7.
567/7= 81 so 83 was the missing number
Step-by-step explanation:
a=20⁰ vertically opposite angles are equal
b=160⁰ sum of angles on a straight line add up to 180⁰
(180⁰-20⁰=60⁰)
c=125⁰ sum of angles on a straight line add up to 180⁰
(180⁰-35⁰-20⁰=125⁰)
Answer:
42x^2
Step-by-step explanation:

Answer:
I Can help you! what do y need help on?
Step-by-step explanation:
Answer:
96 people.
Step-by-step explanation:
Exponential equation for a decreasing amount:
The exponential equation for a decreasing amount is given by:

In which A(0) is the initial rate and r is the decay rate, as a decimal.
Currently, the number of people entering a shopping mall is 109.
This means that 
It is estimated that the number of people entering the shopping mall will decrease by 3% each hour.
This means that 
So



Find the total number of people entering the shopping mall at the end of 4 hours.
This is A(4). So

Rounding to the nearest whole number, 96 people.