If the tree 5m=500 cm
The tree 4m=400cm
Answer:
20 feet
Step-by-step explanation:
= 
Simplify 
= 
Every 1 second, a person will walk 2 feet.
= 
X = 20 feet
Answer:
-14
Step-by-step explanation:
its not a step by step but if you could of linked a picture of the question it would of have been much more easier
Answer:
61 students
Step-by-step explanation:
When finding the percentage of a number, you can simply cross multiply and divide:
we can remove the percentage symbol…

Now 6100 divided by 100 is:
61
hope this helps!
The average rate of change of f(x) from x = 5 to x = 8 would be gotten by; B: Substituting 5 for x and 8 for h in the expression x + one-half h + 15
<h3>How to used difference quotient to find average rate of change?</h3>
The difference quotient is defined as a measure of the average rate of change of a function over an interval.
The limit of the difference quotient which is the derivative is the instantaneous rate of change.
This differential quotient in calculus is usually expressed as;
[f(x + h) - f(x)]/h
We are given the differential quotient as;
f(x) = x + ¹/₂h + 15
Thus, the average rate of change of f(x) from x = 5 to x = 8 would be gotten by;
Substituting 5 for x and 8 for h in the expression x + one-half h + 15
Read more about Difference quotient at; brainly.com/question/18232053
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