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Valentin [98]
2 years ago
6

A cat has a heart rate of about 180 beats per minute. Assuming that continues for 15 years, how many heart beats is that. (You M

ay ignore leap years)
Mathematics
2 answers:
slavikrds [6]2 years ago
5 0

Answer:

985500

Step-by-step explanation:


Gnesinka [82]2 years ago
5 0

Answer:

The cat would have 1,419,120,000 heart beats in its lifetime.

Step-by-step explanation:

15 * 365 = 5475 days

5475 * 24 = 131400 hours

131400 * 60 = 7884000 minutes

7884000 * 180 = 1419120000 beats

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statistics : 1. Here are the average temperatures in Houston, TX for each month in 2014 (measured in oF): please answer the ques
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Solve the equation for all real solutions in simplest form.<br> z^2 - 12z +9= -3
Mars2501 [29]

Answer:

Solving the equation for all real solutions in simplest form.

z^2 - 12z +9= -3 we get \mathbf{z=10.9\: or\: z=1.1}

Step-by-step explanation:

We need to solve the equation for all real solutions in simplest form.

z^2 - 12z +9= -3

First simplifying the equation:

z^2 - 12z +9+3= -3+3\\z^2 - 12z +12= 0

Now, we can solve the equation using quadratic formula:

z=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

we have a = 1, b=-12 and c=12

Putting values in formula and finding values of x

z=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\z=\frac{-(-12)\pm\sqrt{(-12)^2-4(1)(12)}}{2(1)}\\z=\frac{12\pm\sqrt{144-48}}{2}\\z=\frac{12\pm\sqrt{96}}{2}\\z=\frac{12\pm9.8}{2}\\z=\frac{12+9.8}{2}\:or\:z=\frac{12-9.8}{2}\\z=10.9\:or\:z=1.1

So, we get value of z: z=10.9 or z=1.1

Solving the equation for all real solutions in simplest form.

z^2 - 12z +9= -3 we get \mathbf{z=10.9\: or\: z=1.1}

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3 years ago
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