Answer:
km
Step-by-step explanation:
We are given;
- The are of a rectangle as 7/10 km²
- Width of the rectangle is 1/3 km
We are required to find the length of the rectangle;
We need to know how to find the area of a rectangle first;
Area of rectangle = Length × Width
Rearranging the formula;
Length = Area of rectangle ÷ Width
= 7/10 km² ÷ 1/3 km
We get;


(improper fraction)
Thus, the length of the rectangular park is
km
Answer:
The graph in the attached figure
Step-by-step explanation:
we have a exponential function of the form

where
y ---> is the population of bacteria
x ---> the number of hours
a is the initial value or y-intercept
b is the base of the exponential function
r is the rate of change
b=(1+r)
we have


so

substitute

For x=20 hours
substitute in the equation and solve for y

-- The average of 6 numbers is 7.
So those 6 numbers must add up to 42.
-- If one more number results in an average of zero,
the new number must be -42 .
Then all 7 numbers add up to zero.
Answer:
<em>0.615</em>
Step-by-step explanation:
The frequency table is attached below.
We have to calculate, the probability that the student preferred morning classes given he or she is a junior.
i.e 
We know that,

So,

Putting the values from the table,
