Question
Asked Jun 9, 2019
Aldo is walking. The number of calories he has burned varies directly with the number of minutes he has walked. See the graph below.
Calories
burned
Number of minutes
(a) How many calories is Aldo burning per minute?
calorie(s)
(b) What is the slope of the graph?
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Aldo is walking. The number of calories he has burned varies directly with the number of minutes he has walked. See the graph below. Calories burned Number of minutes (a) How many calories is Aldo burning per minute? calorie(s) (b) What is the slope of the graph?

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check_circleExpert Solution
Step 1
  • The number of calories burned by Aldo in one minute.
  • As per graph, Aldo burn 12 units of calories in 4 minute.

Then the amount of calories burned by Aldo in one minute is equal to,

Calories
burned
14 1
Number of minutes
12
-=3 units/minute
4
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Calories burned 14 1 Number of minutes 12 -=3 units/minute 4

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Step 2

Thus the amount of calories burnt by Aldo in one minute is 3 units.

Step 3

In order to find the slope take ...

(8,24)
Calories
burned
(4,12)
14 16 1
Number of minutes
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(8,24) Calories burned (4,12) 14 16 1 Number of minutes

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