subject
Mathematics, 04.09.2020 21:01 ponylover9558

A person measures her heart rate by counting the number of beats in 30 s. If 39±2 beats are counted in 30.0±0.5 s, what is the heart rate and its uncertainty in beats per minute?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Enter the missing numbers in the boxes to complete the table of equivalent ratios.time (min) distance (km)? 36 9? 1512 ?
Answers: 3
question
Mathematics, 21.06.2019 20:00
Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000
Answers: 1
question
Mathematics, 21.06.2019 20:20
20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}
Answers: 2
question
Mathematics, 21.06.2019 22:30
Which of the following would be a reasonable estimate for the weight of a pencil? a. 1 × 10^-20 lb b. 1 × 10^20 lb c. 1 × 10^2 lb d. 1 × 10^-2 lb
Answers: 1
You know the right answer?
A person measures her heart rate by counting the number of beats in 30 s. If 39±2 beats are counted...
Questions
Questions on the website: 13722363