3 years ago

Please help me out!!!!!!!!!!!!!!!!!!true or false

Mathematics

1 answer:

garri49 [273]3 years ago

6 0

It is possible to have a triangle with those lengths

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a carnival charges $8.50 per ticket for adults and $4.50 per ticket for children. which expression represents the total price a

ra1l [238]

The answer is D <span>8.5x + 4.5y</span>

3 0

2 years ago

Use 1/2ab sin C formula pls

Harman [31]

Step-by-step explanation:

$area = \frac{1}{2} a.b \sin(C) \\ from \:cosine \: rule \\ {c}^{2} = {a}^{2} + {b}^{2} - 2a.b \cos(C) \\ 36 = 144 + 81 - (2 \times 12 \times 9) \cos(C) \\ 189 = 216 \cos(C) \\ \cos(C) = 0.875 \\ C = \cos {}^{ - 1} (0.875) \\ C = 28.96 \degree \\ area = \frac{1}{2} \times 144 \times 9 \times \sin(28.96 \degree) \\ area = 313.8 \: sq \: units$