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jasenka [17]
2 years ago
14

Help someone that’s good at math need your help 15 points !

Mathematics
2 answers:
mylen [45]2 years ago
8 0

Answer:

4x-4+3

Step-by-step explanation:

Sholpan [36]2 years ago
7 0

Answer:

-4+4x=3

Step-by-step explanation:

So the first step is to derive an equation from the model.

There are 4 positive x and 4 negative 1 which equal 3 positive 1 which should look like:

4x-4=3

which could be rewritten as:

-4+4x=3

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Find the arc length of the semicircle. 7the grade
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so, is a semi-circle, half a circle, recall a circle has a total of 360°, so half of that will be 180°.

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\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}

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3 years ago
I can’t really understand this can someone help<br> Me?
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It would be rational
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