Question

pregunta 4 (3 puntos) (02.03 mc) shawn is 30 years old. what is her maximum heart rate? a 160 b 170 c 180 d 190 pregunta 5 (3 puntos) (02.03 lc) during a warm - up, your heart rate should be between ______ percent of your maximum heart rate. a 25 and 50 b 50 and 60 c 65 and 75 d 75 and 85 pregunta 6 (3 puntos) (02.03 mc) the light - intensity activity zone is best for improving a endurance and burning fat b maximum performance capacity c overall aerobic and cardiorespiratory health d recovery from exertion or warm - ups

Explanation:

Step1: Recall maximum - heart - rate formula

The common formula for maximum heart rate is $220 - \text{age}$.

Step2: Calculate Shawn's maximum heart rate

Given Shawn's age is 30. So, $220-30 = 190$.

Step3: Recall warm - up heart - rate percentage

During a warm - up, the heart rate should be between 50 and 60 percent of the maximum heart rate.

Step4: Recall light - intensity activity zone purpose

The light - intensity activity zone is best for recovery from exertion or warm - ups.

Answer:

Pregunta 4: d. 190
Pregunta 5: b. 50 and 60
Pregunta 6: d. recovery from exertion or warm - ups