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Eddi Din [679]
3 years ago
11

in a pizza parlor, each pizza is cut into 8 equal slices. together Bobby, Susan and Juan bought 2 pizzas. Bobby ate 4 pieces, Su

san. ate 3 pieces, and Juan at 7 pieces. What is the total amount of pizza eaten by Bobby, Susan, and Juan​
Mathematics
1 answer:
kirill [66]3 years ago
5 0

Answer:

14 pieces were eaten by those three.

Step-by-step explanation:

4+3+7=14

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Precal : Note: Triangle may not be drawn to scale. Suppose a = 3 and A = 15 degrees
drek231 [11]

Given:

In a right triangle at B,

\begin{gathered} a=3 \\ A=15^{\circ} \end{gathered}

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\begin{gathered} sinA=\frac{a}{c} \\ \sin15^{\circ}=\frac{3}{c} \\ c=\frac{3}{\sin15^{\circ}} \\ c=11.59 \\ c\approx11.6 \end{gathered}

Using the trigonometric ratio,

\begin{gathered} \tan A=\frac{a}{b} \\ \tan15^{\circ}=\frac{3}{b} \\ b=\frac{3}{\tan15^{\circ}} \\ b=11.19 \\ b\approx11.2 \end{gathered}

Using the angle sum property,

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Final answer:

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\begin{gathered} b=11.2 \\ c=11.6 \\ B=75^{\circ} \end{gathered}

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Step-by-step explanation:

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