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2 years ago

How many terms are in expression 9+14d+5w+7

Mathematics

1 answer:

tamaranim1 [39]2 years ago

4 0

9514 1404 393

Answer:

Step-by-step explanation:

The terms are separated by addition/subtraction symbols. There are 4 terms.

With parentheses around each term, you have ...

(9) + (14d) + (5w) + (7) . . . . 4 terms

_____

The two constant terms can be combined to give an expression with 3 terms:

14d +5w +16

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Multiply the sum of 7/8 and 3/4 by the differences of 5/36 from 11/13

Anni [7]

Answer:

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Step-by-step explanation:

$(\frac{7}{8} + \frac{3}{4} )\times (\frac{5}{36} - \frac{11}{13} )\\\\\mathrm{Join}\:\frac{7}{8}+\frac{3}{4}:\quad \frac{13}{8}\\\\=\frac{13}{8}\left(\frac{5}{36}-\frac{11}{13}\right)\\\\\mathrm{Join}\:\frac{5}{36}-\frac{11}{13}:\quad -\frac{331}{468}\\\\=\frac{13}{8}\left(-\frac{331}{468}\right)\\\\=-\frac{13}{8}\times\frac{331}{468}\\\\\mathrm{Cross-cancel\:common\:factor:}\:13\\=\frac{1}{8}\times\frac{331}{36}\\\\=-\frac{1\cdot \:331}{8\times\:36}\\\\=-\frac{331}{288}$

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3 years ago

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Step-by-step explanation:

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