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Candace is looking for a new cell phone plan. Crooked Cellular has a $35 monthly fee. They also have an

1 answer:

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The equation is y=15x+35, x being each extra gigabyte used. An additional charge of $15 for each gigabyte used indicated the slope. The slope is 15/1.

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Answer: m∡B°=38,2°.

Step-by-step explanation:

a=3, b=5, c=7 ∡B°=?

$b^2=a^2+c^2-2*a*ccosB^0\\2*a*c*cosB^0=a^2+c^2-b^2\\cosB^0=\frac{a^2+c^2-b^2}{2*a*c} \\cosB^0=\frac{3^2+7^2-5^2}{2*3*7} \\cosB^0=\frac{9+49-25}{2*3*7} \\cosB^0=\frac{33}{42} \\cosB^0=\frac{11}{14}\\$

m∡B°=arccos $(\frac{11}{14})$

m∡B°≈38,2°.

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$\bf \begin{array}{ccccccccc}
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