2 years ago

Find the slope of the line that passes through (8, 4) and (5, 2).

Mathematics

2 answers:

adelina 88 [10]2 years ago

5 0

2-4
5-8 = -2/ -3 hope this helps!

Dafna11 [192]2 years ago

4 0

Answer:

Slope (m)0.6667Slope-Intercept: y = mx + by = 0.6667x -1.33

Step-by-step explanation:

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3 years ago

Find the arc length of the semicircle. 7the grade

charle [14.2K]

so, is a semi-circle, half a circle, recall a circle has a total of 360°, so half of that will be 180°.

the diameter of that circle is 10, so its radius is half that, or 5.

$\bf \textit{arc's length}\\\\ s=\cfrac{\theta \pi r}{180}~~ \begin{cases} r=radius\\ \theta =angle~in\\ \qquad degrees\\[-0.5em] \hrulefill\\ \theta =180\\ r=5 \end{cases}\implies s=\cfrac{(180)(\pi )(5)}{180}\implies s=5\pi \stackrel{\pi =3.14}{\implies s=15.7}$