2 years ago

How many times would you expect your heart to beat in 25 seconds? ____________

Mathematics

2 answers:

gladu [14]2 years ago

6 0

Answer:

60 seconds i think 100 and 120 would be will 200

Step-by-step explanation:

wel2 years ago

3 0

I thing it’s right 120 seconds

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Step-by-step explanation:

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3 years ago

Can anyone explain this to me??

sergejj [24]

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3 years ago

Explain how System 1 becomes equivalent to System 2.

Nostrana [21]

Answer:

$\left\{\begin{array}{ccc}(A+L)x+(B+M)y=C+N\\Ax+By=C\end{array}\right$

<h3>A.The first equation in System 2 is the sum of the equations in System 1. The second equation in System 2 is the first equation in System 1.</h3>

Step-by-step explanation:

$\underline{+\left\{\begin{array}{ccc}Ax+By=C\\Lx+My=N\end{array}\right}\qquad\text{add both sides of the equations}\\(Ax+Lx)+(By+My)=C+N\qquad\text{distributive}\\(A+L)x+(B+M)y=C+N$