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bekas [8.4K]
4 years ago
11

While exercising, Julie found that her heart was beating 12 times every 5 seconds. How many times was it be eating per minute?

Mathematics
2 answers:
PIT_PIT [208]4 years ago
8 0
Well how many seconds are in a minute
torisob [31]4 years ago
7 0
144 beats per minute 
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Harrizon [31]

The given triangle is a right triangle

<h3>The length and slope</h3>

The coordinates are given as:

D (0,n), E(m,n), F(m,0)

The length is calculated using:

l=\sqrt{(x_2-x_1)^2 + (y_2-y_1)^2

So, we have:

DE=\sqrt{(0-m)^2 + (n-n)^2} = m

DF=\sqrt{(0-m)^2 + (n-0)^2} = \sqrt{m^2 + n^2

EF=\sqrt{(m-m)^2 + (n-0)^2} = n

The slope is calculated using:

m = \frac{y_2 -y_1}{x_2 - x_1}

So, we have:

DE = \frac{n -n}{0- m} = 0

DF = \frac{n -0}{0- m} = -\frac nm

EF = \frac{n -0}{m- m} = \mathbf{unde fined}

<h3>The coordinates of the midpoints</h3>

This is calculated using

m = 0.5 * (x_1 + x_2, y_1 + y_2)

So, we have:

DE = 0.5 * (0 + m, n+ n)=(0.5m, n)

DF = 0.5 * (0 + m, n+ 0)=(0.5m, 0.5n)

EF = 0.5 * (m + m, n+ 0)=(m, 0.5n)

<h3>The type of triangle</h3>

In (a), we have:

<u>Lengths</u>

DE= m

DF = \sqrt{m^2 + n^2

EF= n

<u>Slope</u>

DE  = 0

DF =  -\frac nm

EF  = \mathbf{unde fined}

The sides are not equal.

However, the 0 and the undefined slope implies that the triangle is a right triangle because the sides are perpendicular

It should be noted that the triangle cannot be graphed because the coordinates are not numeric

Read more about triangles at:

brainly.com/question/26331644

#SPJ1

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