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valentinak56 [21]
3 years ago
10

1/3m- 1- 1/2n when m= 21 and n = 12

Mathematics
1 answer:
Alex73 [517]3 years ago
4 0
With this one, plug in the values with the corresponding letters. 1/3m would be the same as 1/3(21) to get an answer of 7. Then 1/2(12) which is 6. Now the equation is 7-1-6 to get an answer of 0.
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The question is incomplete:

If you see that gasoline costs $1.70 in Georgia and $3.40 in California, you can  conclude that gasoline is twice as expensive in California as in Georgia. This  conclusion from this comparison reflects the function of money as a:

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2 years ago
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Explanation:

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Now, it forms  a right angle triangle so, we can apply "Pythagorus theorem".

H^2=B^2+P^2\\\\20^2=x^2+(x+4)^2\\\\400=x^2+x^2+8x+16\\\\400=2x^2+8x+16\\\\400=2(x^2+4x+8)\\\\200=x^2+4x+8\\\\x^2+4x-192=0\\\\x^2+16x-12x-192=0\\\\x(x+16)-12(x+16)=0\\\\(x+16)(x-12)=0\\\\x=-16\ and\ 12

But height cant be negative so, height will be 12 feet.

Hence, height at which the wire is attached to the pole is 12 feet.


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