Answer:
Chile all 10 QuEsTiOns. My brain died.
Answer:
$175.80
Step-by-step explanation:
Answer:
Step-by-step explanation:
![\frac{a(b+c)}{bc} ,\frac{b(c+a)}{ca} ,\frac{c(a+b)}{ab} ~are~in~A.P.\\if~\frac{ab+ca}{bc} ,\frac{bc+ab}{ca} ,\frac{ca+bc}{ab} ~are~in~A.P.\\add~1~to~each~term\\if~\frac{ab+ca}{bc} +1,\frac{bc+ab}{ca} +1,\frac{ca+bc}{ab} +1~are~in~A.P.\\if~\frac{ab+ca+bc}{bc} ,\frac{bc+ab+ca}{ca} ,\frac{ca+bc+ab\\}{ab} ~are~in~A.P.\\\\divide~each~by~ab+bc+ca\\if~\frac{1}{bc} ,\frac{1}{ca} ,\frac{1}{ab} ~are ~in~A.P.\\if~\frac{a}{abc} ,\frac{b}{abc} ,\frac{c}{abc} ~are~in~A.P.\\if~a,b,c~are~in~A.P.\\which~is~true.](https://tex.z-dn.net/?f=%5Cfrac%7Ba%28b%2Bc%29%7D%7Bbc%7D%20%2C%5Cfrac%7Bb%28c%2Ba%29%7D%7Bca%7D%20%2C%5Cfrac%7Bc%28a%2Bb%29%7D%7Bab%7D%20~are~in~A.P.%5C%5Cif~%5Cfrac%7Bab%2Bca%7D%7Bbc%7D%20%2C%5Cfrac%7Bbc%2Bab%7D%7Bca%7D%20%2C%5Cfrac%7Bca%2Bbc%7D%7Bab%7D%20~are~in~A.P.%5C%5Cadd~1~to~each~term%5C%5Cif~%5Cfrac%7Bab%2Bca%7D%7Bbc%7D%20%2B1%2C%5Cfrac%7Bbc%2Bab%7D%7Bca%7D%20%2B1%2C%5Cfrac%7Bca%2Bbc%7D%7Bab%7D%20%2B1~are~in~A.P.%5C%5Cif~%5Cfrac%7Bab%2Bca%2Bbc%7D%7Bbc%7D%20%2C%5Cfrac%7Bbc%2Bab%2Bca%7D%7Bca%7D%20%2C%5Cfrac%7Bca%2Bbc%2Bab%5C%5C%7D%7Bab%7D%20~are~in~A.P.%5C%5C%5C%5Cdivide~each~by~ab%2Bbc%2Bca%5C%5Cif~%5Cfrac%7B1%7D%7Bbc%7D%20%2C%5Cfrac%7B1%7D%7Bca%7D%20%2C%5Cfrac%7B1%7D%7Bab%7D%20~are%20~in~A.P.%5C%5Cif~%5Cfrac%7Ba%7D%7Babc%7D%20%2C%5Cfrac%7Bb%7D%7Babc%7D%20%2C%5Cfrac%7Bc%7D%7Babc%7D%20~are~in~A.P.%5C%5Cif~a%2Cb%2Cc~are~in~A.P.%5C%5Cwhich~is~true.)
6000/500=12. 12 reams of paper are needed.
The answer: " k = -10 " .
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Given: (- 6/5) k = 12 ; Solve for: "k" ;
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Multiply each side of the equation by "5" ; to get rid of the "fraction":
5* (-6/5) k = 12 * 5 ;
to get:
- 6 k = 60 ;
Divide each side of the equation by "-6" ;
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- 6 k / 6 = 60 / 6 ;
to get:
-1 k = 10 ;
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Divide each side of the equation by "-1" ;
to isolate "k" on one side of the equation ; and to solve for "k" ;
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- 1 k / -1 = 10 / -1 ;
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to get: k = -10 .
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