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Serga [27]
3 years ago
9

3 classmates share 2 granola bars equally, how much will each classmate gets?

Mathematics
1 answer:
mel-nik [20]3 years ago
4 0
<span>3 classmates shares 2 granola bars.
IF they shared it equally, how much will each of them get?
=> 3 classmate = 2 available granola
Let’s divide the 2 granola in each of them
=> 2 /3
=> 0.67
Thus, each of them is expected to receive approximately 0.67 granola each
=> Unit rate = 0.67 granola / person. </span>



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Ugo [173]

The length of the brace required is 4.3m

What is sine rule?

In a ΔABC a, b and c are the sides and A, B and C are angles then,

\frac{a}{SinA}=\frac{b}{sinB}=\frac{c}{sinC}

We can find the length, l as shown below:

Let AB=3m, BC=2m and AC=l

Let ∠A=25°

So, in ΔABC

\frac{BC}{sinA}=\frac{AB}{sinC}=\frac{AC}{SinB}

\frac{BC}{sinA}=\frac{AB}{sinC}

\frac{2}{sin25}=\frac{3}{sinC}

\angle{C}=sin^{-1}(\frac{3\times sin25}{2} )

∠C=39.34°

∠A+∠B+∠C=180°

∠B=180°-25°-39.34°

∠B=115.66°

\frac{BC}{sinA}=\frac{AC}{SinB}

\frac{2}{sin25}=\frac{l}{sin(115.66)}

l=\frac{2\times sin(115.66)}{sin25}

l=4.2659

Rounding to nearest tenth of meter.

l=4.3m

Hence, the length of the brace required is 4.3m

Learn more about Sine Rule here:

brainly.com/question/25852087

#SPJ1

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