The maximum heart rate, in beats per minute, that you should achieve during exercise is 220 minus your age, 220−a. your exercise goal is to improve cardiovascular conditioning. use the following formulas to answer parts a and b. lower limit of range h equals=seven tenths left parenthesis 220 minus a right parenthesis 7/ 10(220−a) upper limit of range hequals=four fifths 4/ 5(220 minus a220−a) a. what is the lower limit of the heart range, in beats per minute, for a 47-year-old with this exercise goal?

The local farm is advertising a special on fresh picked peaches. the farm charges $4.25 to pick your own peck of peaches and $3.50 for each additional peck you pick. write an equation for the total cost of peaches in terms of the number of pecks. deine your variables. how much does it cost to pick 3 pecks of peaches?

Now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Select all the statements that apply to this figure