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DiKsa [7]
3 years ago
5

How many tens and ones in the number 82?

Mathematics
2 answers:
Ksivusya [100]3 years ago
6 0
The answer is 8 tens, 2 ones. The 8 is in the tens place and the 2 is in the ones place. Look up place value, my friend!
Elina [12.6K]3 years ago
4 0
8 tens and 2 ones......
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elena-14-01-66 [18.8K]

Hello,

m\ \widehat{ABC}=x\\m\ \widehat{BAC}=2*x\\\\So:\\ x+2x=90^o\\x=30^o\\

cos(30^o)=\dfrac{\sqrt{3} }{2} \\

In the triangle ABC,

cos(30^o)=\frac{BC}{BA} \\\\BA=\dfrac{cos(30^o)}{BC} \\\\BA=\frac{\dfrac{\sqrt{3} }{2} }{24} =16*\sqrt{3} \\\\

sin(30^o)=\dfrac{1 }{2} =\dfrac{AC}{AB} \\\\AC=\dfrac{1}{2} *16\sqrt{3} =8\sqrt{3}

In the triangle ACB,

cos(30^o)=\dfrac{AC}{AL} \\\\AL=\dfrac{8\sqrt{3} *2}{\sqrt{3} } =16\\

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\tan(12)  =  \frac{40}{x}  \\ x =  \frac{40}{ \tan(12) }  \\ x = 188

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