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stich3 [128]
3 years ago
11

A mistake was made in the steps shown to simplify the expression. Which step includes the mistake?

Mathematics
2 answers:
Zolol [24]3 years ago
8 0

Answer:

step 4

Step-by-step explanation:

bazaltina [42]3 years ago
6 0

Answer:

Step  4

Step-by-step explanation:

\frac{1 + 3^2}{5} + |-10| \div 2\\\\Step \ 1 : \frac{1 + 3^2}{5} + 10 \div 2\\\\step \ 2 : \frac{1 + 9}{5} + 10 \div 2 \\\\Step \ 3 : \frac{10}{5} + 10 \div 2\\\\Step\ 4: 2 + 10 \div 2\\\\Step \ 5 : 2 + 5 \ \ \ \ \ \ \ \ \ \ \ \ \  [ \ given : 12 \div 2 \ ]\\\\Step \ 6 : 7

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Step-by-step explanation:

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Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{42 {x}^{3}  {y}^{2} }}}}}

Step-by-step explanation:

\star{ \text{ \: Length \: of \: a \: rectangle \: ( \: l \: ) \:  =  \: 3xy}}

\star{ \sf{   \: Width \: of \: a \: rectangle \: ( \: w \: )  = 14 {x}^{2}y}}

\underline{ \sf{Finding \: the \: area \: of \: a \: rectangle \: }}

\boxed{ \sf{Area \: of \: a \: rectangle = length \: \: * \: width}}

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\text{Step \: 1 \: : Multiply \: the \: numbers \: and \: variables \: separately}

\dashrightarrow{ \sf{ (3 * 14)  \: * \: x \: * \:  {x}^{2}  \: * \: y \: * \: y}}

\dashrightarrow{ \sf{42 * \: x \: * \:  {x}^{2}  \: * \: y \: * \: y}}

\text{step \: 2 \:  : Add \: the \: power \: of \: the \: variables \: with \: same \: base.}

\dashrightarrow{ \sf{42* {x}^{1 + 2} \:  * \:  {y}^{1 + 1} }}

\dashrightarrow{ \sf{42 {x}^{3}  {y}^{2} }}

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\text{Hope \: I \: helped!}

\text{Best \: wishes!}

~\text{TheAnimeGirl}

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