A climber is on a hike.after 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is
2 answers:
Answer:
75 feet per hour is the rate of change in altitude.
Step-by-step explanation:
A climber is on a hike. After 2 hours he is at an altitude of 400 feet.
After 6 hours, he is at an altitude of 400 feet.
We have to determine the average rate of change in altitude.
We know rate of change in altitude =
=
=
= 75 feet per hour
Therefore, 75 feet per hour is the rate of change in altitude.
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The programs cost the same for 7 classes.
Given, no. of classes is represented by c, no. of dogs is represented by d, no. of hours is represented by h, the no. of programs is represented by p and the total cost is represented by t.
The first program charges $35 membership fee and $5 for each class.
The second program charges only $10 for each class.
Now the total cost say , for first program can be written in equation form as,
, here c is the no. of classes.
Similarly, the total cost say , for second program can be written in equation form as,
.
We have to find out the no. of classes for which the two programs cost the same.
according to the question,
Hence for 7 of classes the programs cost the same.
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