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jek_recluse [69]
3 years ago
10

28 -4a = 3a -14+2a ------

Mathematics
2 answers:
Greeley [361]3 years ago
6 0
24+14 = 3a + 4a +2a
38 = 9a
——————————
Hope it is helpful.
Lubov Fominskaja [6]3 years ago
6 0

\huge\text{Hey there!}

\huge\textsf{28 - 4a = 3a - 14 + 2a}

\huge\boxed{\rightarrow}\huge\textsf{ 28 - 4a = 5a - 14}

\huge\boxed{\rightarrow}}\huge\textsf{ -4a + 28 = 5a - 14}

\huge\text{SUBTRACT \underline{\underline{5a}} to  BOTH SIDES}

\huge\textsf{-4a + 28 - 5a = 5a - 14 - 5a}

\huge\boxed{\rightarrow}\huge\textsf{ -9a + 28 = -14}

\huge\text{SUBTRACT \underline{\underline{28}} to BOTH SIDES}

\huge\textsf{-9a + 28 - 28 = -14 - 28}

\huge\boxed{\rightarrow}}\huge\textsf{ -9a = -42}

\huge\text{DIVIDE \underline{\underline{-9}} to BOTH SIDES}

\huge\boxed{\mathsf{\dfrac{-9a}{-9}=\dfrac{-42}{-9}}}

\huge\boxed{\rightarrow}\huge\boxed{\star\ \mathsf{\ a = \dfrac{14}{3}}\ \star}

\huge\boxed{\mathsf{Therefore, your \ answer\  is: a = \bf \dfrac{14}{3} }}\huge\checkmark

\huge\text{Good luck on your assignment \& enjoy your day!}

~\huge\boxed{\frak{Amphitrite1040:)}}

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Answer:

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The local maximum values are {3, 4}.

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Your answer box probably doesn't want the curly brackets and maybe not the spaces, either. Those brackets are used to identify a <em>set</em> of values.

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It can be helpful to remember that "%" is just a shorthand way to write "/100" (divided by 100, or per 100, or per cent). ("Cent" is often used to refer to 100 or 1/100. A "cent" is 1/100 of a dollar, or 1/100 of an acre, for example. A <em>cent</em>ury is 100 years.)

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You can also get there via decimals.

... 2/5 = 0.4 = 0.40 (40 hundredths) = 40/100 (40 hundredths) = 40%

Or, you can multiply by 100%.

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