An average person's heart beats about 103,680 times a day. Write and solve an equation to find about how many times the average
person's heart in one minute.
2 answers:
Answer:103680÷24=4320 per hour
4320÷60=72 beats per minute
Step-by-step explanation:
Step-by-step explanation:
1 day = 24 hrs
24 hrs = 1440min
1440 min = 103680 b
1 min = x
☓ = 103680 ÷ 1440
x = 72 b
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hope this helps
4x^2 + x + 3 = 0
x = [-1 +/- sqrt (1^2 - 4 * 4 * 3)] / 8 = - 1 +/- sqrt ( --47) / 8
= ( - 1 +/- sqrt47i) / 8 = -0.125 + 0.857i , -0.125 - 0.857i
