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Salsk061 [2.6K]
2 years ago
6

Find x and y, when AB and MN are similar Please I need your help quickly

Mathematics
2 answers:
zheka24 [161]2 years ago
6 0

Answer:

x is 5 but sorry I can't Find the value of y

kupik [55]2 years ago
4 0

Answer:

y=3

x=5

Step-by-step explanation:

it's similar so CN =NB          

that means y=3

so MN=AB

x=5

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thus

\bf \begin{array}{lccclll}
&amount&concentration&
\begin{array}{llll}
concentrated\\
amount
\end{array}\\
&-----&-------&-------\\
\textit{5\% alloy}&x&0.05&0.05x\\
\textit{30\% alloy}&y&0.30&0.3y\\
-----&-----&-------&-------\\
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\end{array}
\\\\\\
\begin{cases}
x+y=100\implies \boxed{y}=100-x\\
0.05x+0.3y=15\\
----------\\
0.5x+0.3\left( \boxed{100-x} \right)=15
\end{cases}

solve for "x"

what's "y"? well, y = 100 - x
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3 years ago
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2 years ago
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