The maximum heart rate, in beats per minute, that you should achieve during exercise is 220 minus your age, 220 minus a. your exercise goal is to improve cardiovascular conditioning. use the following formulas to answer parts a and b. lower limit of range hequalsseven tenths left parenthesis 220 minus a right parenthesis upper limit of range hequalsfour fifths (220 minus a) a. what is the lower limit of the heart range, in beats per minute, for a 43-year-old with this exercise goal?

123.9 ≈ 124 beats per minute

Step-by-step explanation:

Data and formula provided in the question:

Age = 43 years old

The Formula for lower limit of range is given as:

lower limit of range =

Thus, on substituting the respective values, we get

lower limit of range =

or

Lower limit of range = 123.9 ≈ 124 beats per minute

step-by-step explanation:

the areas of two similar triangles are 18 cm2 and 8 cm2. one of the sides of the first triangle is 4.5 cm. what is the length of the corresponding side of the other triangle?

it is b)

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step-by-step explanation: