Mathematics, 22.01.2021 08:40 queenjay34
A doctor observes a graph that shows the electrical activity (in volts) of the heart of a patient over a period
of time (in seconds). Each spike corresponds to one heart beat. The doctor needs to calculate the heart rate
of the patient in beats per minute.
What is the heart rate of this patient?
beats per minute
Answers: 3
Mathematics, 21.06.2019 19:40
Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.
Answers: 1
Mathematics, 21.06.2019 20:00
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Mathematics, 21.06.2019 21:30
Having a hard time understanding this question (see attachment).
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Mathematics, 21.06.2019 22:00
In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in
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