Answer:
d=14.5
r=14.5/2=7.25
area=4πr^2=3.14×7.25×7.25=165.04 inches sq
Answer:
The annual increase in the percentage of a pollution can be determined by some mathematical calculation.
Step-by-step explanation:
- In order to determine the annual percentage increase over one year for a city population, we must do the following,
- First we must subtract starting value that is the initial population of the city at the starting of the year from the final value that is the final population of the city at the end of the year.
- Now divide the whole by the starting value.
- This gives you the value of increase in the rate of growth, Now inorder to obtain it in percentage format, we must multiply the resultant value by 100.
This finally gives you the rate of increase in the population in percentage.
Answer:
B
Step-by-step explanation:
its quadratic because it has the almost oval-ish shape
This type of parabola opens either to the left or to the right. The negative makes it open to the left.
Actual length of the pole and the length of the shadow cast by the pole follow the proportional relationship.
Following this rule, 20 feet tall flagpole will cast 3.33 feet shadow.
If the length of the shadow = x feet
Proportional relationship will be defined by the expression,
feet
Therefore, length of the shadow cast by flagpole will be 3.33 feet.
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