3 years ago

Write the sum using summation notation, assuming the suggested pattern continues.

Mathematics

1 answer:

zzz [600]3 years ago

3 0

The answer is C. Summation of negative three times n from n equals zero to infinity

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At the beginning of the day the stock market goes up 30 1/2 points. At the end of the day, the stock market goes down 100 3/4 po

Akimi4 [234]

Well, is namely their difference, so, let's first convert the mixed fractions to "improper", and subtract.

$\bf \stackrel{mixed}{30\frac{1}{2}}\implies \cfrac{30\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{61}{2}}
\\\\\\
\stackrel{mixed}{100\frac{3}{4}}\implies \cfrac{100\cdot 4+3}{4}\implies \stackrel{improper}{\cfrac{403}{4}}\\\\
-------------------------------\\\\
\cfrac{61}{2}-\cfrac{403}{4}\impliedby \textit{so our \underline{LCD is 4}}\implies \cfrac{(2\cdot 61)~-~(1\cdot 403)}{4}
\\\\\\
\cfrac{122-403}{4}\implies \cfrac{-281}{4}\implies -70\frac{1}{4}$

5 0

3 years ago

Write the equation in slope-intercept form of the line that passes through the points (-3, -10) and (5, 14)

hjlf

Answer:

-10, -3, 5, 14

Am not sure if this is correct

4 0

3 years ago

Read 2 more answers

Please help don't guess

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