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How do I find the slopes of the secants PQ1, PQ2, PQ3, PQ4. Also estimate the speed at point P

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denpristay [2]3 years ago

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Y2 - y1 and x2-x1 and it should look like a fraction .

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The ratio of the width to the length of a rectangle is 3:7. The shorter side is 9 inches long. What is the longer side and also

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According to the picture, angles 1 and 2 have the same measure because they are corresponding angles. Make equal both expressions for 1 and 2 and find x.

$\begin{gathered} 50-2x=110-42x \\ 42x-2x=110-50 \\ 40x=60 \\ x=\frac{60}{40} \\ x=\frac{3}{2} \end{gathered}$

x is 3/2. Replace this value in both expression to find the measure of each angle.

$\begin{gathered} \measuredangle1=50-2x \\ \measuredangle1=50-2(\frac{3}{2}) \\ \measuredangle1=50-3 \\ \measuredangle1=47 \\ \measuredangle2=110-42x \\ \measuredangle2=110-42(\frac{3}{2}) \\ \measuredangle2=110-63 \\ \measuredangle2=47 \end{gathered}$

The measure of these angles is 47°

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1 year ago