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insens350 [35]
4 years ago
9

6(2k+5)-3k=66 show work please

Mathematics
2 answers:
erastova [34]4 years ago
7 0
12k+30-3k=66
12k-3k=36
9k=36
k=4
Katyanochek1 [597]3 years ago
5 0
6(2k+5)-3k=66

12k+30-3k=66

9k+30=66

9k=66-30

9k=36

K=36/9

K=4

Hope this helps!
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Given:

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\therefore \\\\

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Time= 6 minutes and 30 second

       =\bold{6\times 60 \ second + 30 \ second }\\\\=\bold{360\ second+30\ second}\\\\=\bold{390\ second}\\\\

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Then equation:

=\bold{\frac{9.2}{3600}}\\\\

390 seconds covers:

=\bold{\frac{9.2}{3600}\times 390 \ miles} \\\\  

Let

\bold{1 \ miles= 1760\ yard}\\\\

Convert the traveling value into yards:

=\bold{ \frac{9.2}{3600}\times 390\times 1760}\\\\=\bold{ \frac{9.2}{36}\times 39\times 176}\\\\=\bold{ \frac{9.2}{12}\times 13\times 176}\\\\=\bold{ \frac{9.2}{12}\times 2288}\\\\=\bold{ 9.2\times 190.66}\\\\=\bold{ 1754.072\ yards}\\\\

Therefore, total traveling yards are"1754.072".  

Learn more:

brainly.com/question/20282942

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2 years ago
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RSB [31]

Answer:

The time required to finish the work by both candy and Tim working together = 36.83 minute

Step-by-step explanation:

Time taken by the candy to finish the work T_{1}= 85 min

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Thus the time taken by both to finish the work = \frac{T_1 \times\ T_2}{T_1 + T_2}

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suter [353]

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