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Naya [18.7K]
3 years ago
5

If two successive qrs complexes are 0.8 seconds apart, the heart rate is

Mathematics
1 answer:
loris [4]3 years ago
6 0
To find out what your heart rate is, you need beat per minute. 60/.8 = 75BPM
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WILL GIVE BRAINLST <br><br> HAVE A GOOD DAY
Sedbober [7]
1st one 17/100 2nd one 0.25


Because 0.17 would be like 17% out of 100% so the fraction simplified is 17/100

2. Since the area of a square is length×length
But according to the question we are asked to find the length and the area is given so we will have to solve this
L×L= area
L^2=0.25
Square root both sides
L=√0.25
L=0.5
Therefore the length of the square is 0.5
6 0
3 years ago
Test the series for convergence or divergence (using ratio test)​
Triss [41]

Answer:

    \lim_{n \to \infty} U_n =0

Given series is convergence by using Leibnitz's rule

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given series is an alternating series

∑(-1)^{n} \frac{n^{2} }{n^{3}+3 }

Let   U_{n} = (-1)^{n} \frac{n^{2} }{n^{3}+3 }

By using Leibnitz's rule

   U_{n} - U_{n-1} = \frac{n^{2} }{n^{3} +3} - \frac{(n-1)^{2} }{(n-1)^{3}+3 }

 U_{n} - U_{n-1} = \frac{n^{2}(n-1)^{3} +3)-(n-1)^{2} (n^{3} +3) }{(n^{3} +3)(n-1)^{3} +3)}

Uₙ-Uₙ₋₁ <0

<u><em>Step(ii):-</em></u>

    \lim_{n \to \infty} U_n =  \lim_{n \to \infty}\frac{n^{2} }{n^{3}+3 }

                       =  \lim_{n \to \infty}\frac{n^{2} }{n^{3}(1+\frac{3}{n^{3} } ) }

                    = =  \lim_{n \to \infty}\frac{1 }{n(1+\frac{3}{n^{3} } ) }

                       =\frac{1}{infinite }

                     =0

    \lim_{n \to \infty} U_n =0

∴ Given series is converges

                       

                     

 

3 0
2 years ago
What is the 8th term of the linear sequence below?<br> 6,13,20,27,34,...
dangina [55]
Answer: 55

Step-By-Step Explanation:
3 0
2 years ago
Use the Distributive Property to find the price of 5 CDs that cost $15.99 each.
blsea [12.9K]
15,99*5=79.95

The answer is 79,95 $
3 0
2 years ago
Read 2 more answers
Kirk is uploading a large video file to a video sharing website. After 9 minutes, 17% of the video file has been uploaded. If th
Hatshy [7]

Answer:

53 minutes

Step-by-step explanation:

Let x be the time required for a full video upload.  This would have the unit of (minutes/full upload).  Since the upload rate is constant, we can write:

(0.17)*(x) = 9 minutes

This equation states that 17% of the full upload time is 9 minutes.

Solve for x:

x = (9 minutes)/(0.17)

x = 52.9 minutes or 53 minutes with 2 sig figs

8 0
2 years ago
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