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disa [49]
3 years ago
6

In an arithmetic sequence the sum of the first six odd-numbered terms (a1,a3,a5,a7,a9 and a11) is 60. find the sum of the first

eleven terms.
Mathematics
1 answer:
alexandr1967 [171]3 years ago
8 0

Answer:

Im so sorry!

Step-by-step explanation:

>:(

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una escalera de 12ft de longitud esta apoyada contra una pared, de modo que su base se encuentra a 4 ft de la pared a nivel del
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Answer:

Step-by-step explanation:

Altura = 11.312 pies

i) La escalera que descansa contra la pared formará un triángulo en ángulo recto.

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iii) La base está dada por 4 pies.

iv) de la fórmula del triángulo en ángulo recto.

   base  = altura = \sqrt{hipotenusa^{2}\hspace{0.15cm}- \hspace{0.15cm} base^{2} }  = \sqrt{12^{2}\hspace{0.15cm} - \hspace{0.15cm}4^{2}  } = \sqrt{144\hspace{0.15cm} - \hspace{0.15cm}16} = \sqrt{128} = \hspace{0.15cm}8\sqrt{2} = 8\times1.414 = 11.312 pies

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3 years ago
Solve the equation for x. 8(2x − 6) = 96
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Divide both sides by the numeric factor on the left side then solve x=9
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iVinArrow [24]

Answer:

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Step-by-step explanation:

Given parameters:

Amount earned by employee x  = $5250

Time duration  = 3weeks

Unknown:

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Let us first find the rate of employee x earning;

       Rate  = \frac{Amount earned}{Time duration}  

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