5 ) 8 × x = 72
6) length = 9m
Step-by-step explanation:
5.
8 × x = 72 ( area of rectangle = l×b)
6. solving the equation
8 × x = 72
x = 72 / 8
x = 9 m
length = 9m
Is the number 30?
(Extra words because I can't post without them)
Answer:
36 possible class schedules
Step-by-step explanation:
1st - 4 ways
2nd - 3 ways
3rd - 3 ways
4 x 3 x 3 = 36 possible class schedules
Given:
The exponential function is
To find:
The percentage rate of increase or decrease.
Solution:
The general form of an exponential function is
...(i)
Where, a is the initial value, r<0 is the rate of decrease, r>0 rate of increase, x is time period.
We have,
It can be written as
...(ii)
On comparing (i) and (ii), we get
r>0, so the it is the rate of increase. Multiply it by 100 to get the percentage rate of increase.
Therefore, the percentage rate of increase is 7.4%.