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FrozenT [24]
3 years ago
6

HELP PLEASEEE WITH EXPLANATION PLEASEEE

Mathematics
1 answer:
Volgvan3 years ago
4 0
Ziad is 30 and marc is 10
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PLEASE can someone explain why The exact value of sec ( π/6) is 2 /√ 3 ??
Umnica [9.8K]
\bf sec\left( \frac{\pi }{6} \right)\qquad recall\to sec(\theta)=\cfrac{1}{cos(\theta)}\qquad thus
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sec\left( \frac{\pi }{6}\right)\iff \cfrac{1}{cos\left( \frac{\pi }{6}\right)}
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\textit{check your Unit Circle for what the }cos\left( \frac{\pi }{6}\right)\ is
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\cfrac{1}{\frac{\sqrt{3}}{2}}\implies \cfrac{\frac{1}{1}}{\frac{\sqrt{3}}{2}}\implies 
\cfrac{1}{1}\cdot \cfrac{2}{\sqrt{3}}\implies \cfrac{2}{\sqrt{3}}
3 0
2 years ago
Mai finished her chemistry assignment in 1/2 hours. Then She completed her history assignment in 1/4 hours. How much more time d
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SHE SPENT 15 MINUTES MORE. 1 hour is 60 minutes. 1/2 hour is 30 minutes and 1/4 hour is 15 minutes. 30-15=15
6 0
3 years ago
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56* cause alternate interiors angles
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2 years ago
3x+2(5x-3)=7 multi step equation
Phantasy [73]
3x+2(5x-3)=7

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What is 232and1/4-129and7/8?
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232 \frac{1}{4} - 129 \frac{7}{8} 
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