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$k Genetics_Punnett Squares Pro x Earth day poster design - Goor recycle-Google 凡 ÷- www-awu.aleks.com/alekscgi/x/Isl.exe/10 U-IgNsIkr7j8P3jH-IQ-WKpxO Sistemas lineales Usar una calculadora gráfica para resolver un sistema de ecuaciones... Utilizar la calculadora gráfica de ALEKS para resolver el sistema de ecuaciones. {:[0.7 x-y=4.22],[5-0.8 x=0.2 y]:} Redondear a la centésima más cercana. (x,y)=(◻,◻)$

k Genetics_Punnett Squares Pro $x$ $\newline$ Earth day poster design - Goor $\newline$ recycle-Google $\newline$ 凡 $\newline$ $\div-$ $\newline$ www-awu.aleks.com/alekscgi/x/Isl.exe/ $10$ $\newline$ U-IgNsIkr $7$ j $8$ P $3$ jH-IQ-WKpxO $\newline$ Sistemas lineales $\newline$ Usar una calculadora gráfica para resolver un sistema de ecuaciones... $\newline$ Utilizar la calculadora gráfica de ALEKS para resolver el sistema de ecuaciones. $\newline$ $\begin{array}{l} 0.7 x-y=4.22 \\ 5-0.8 x=0.2 y \end{array}$ $\newline$ Redondear a la centésima más cercana. $\newline$ $(x, y)=(\square, \square)$

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Math Problems

Geometry

Sine and cosine of complementary angles

Full solution

Q. k Genetics_Punnett Squares Pro

x

\newline

Earth day poster design - Goor

\newline

recycle-Google

\newline

凡

\newline

\div-

\newline

www-awu.aleks.com/alekscgi/x/Isl.exe/

10

\newline

U-IgNsIkr

7

8

3

jH-IQ-WKpxO

\newline

Sistemas lineales

\newline

Usar una calculadora gráfica para resolver un sistema de ecuaciones...

\newline

Utilizar la calculadora gráfica de ALEKS para resolver el sistema de ecuaciones.

\newline

\begin{array}{l} 0.7 x-y=4.22 \\ 5-0.8 x=0.2 y \end{array}

\newline

Redondear a la centésima más cercana.

\newline

(x, y)=(\square, \square)

Write Equations: Write down the system of equations to be solved. $\newline$ We have the following system of linear equations: $\newline$ $1$ ) $0.7x - y = 4.22$ $\newline$ $2$ ) $5 - 0.8x = 0.2y$
Rearrange Second Equation: Rearrange the second equation to express $y$ in terms of $x$ . From equation $2$ ), we have: $5 - 0.8x = 0.2y$ To isolate $y$ , we divide both sides by $0.2$ : $(5 - 0.8x) / 0.2 = y$ $y = 25 - 4x$
Substitute Expression for y: Substitute the expression for y from Step $2$ into the first equation. $\newline$ Substituting $y = 25 - 4x$ into equation $1$ ), we get: $\newline$ $0.7x - (25 - 4x) = 4.22$
Solve for x: Solve for x. $\newline$ $0.7x - 25 + 4x = 4.22$ $\newline$ Combining like terms, we get: $\newline$ $0.7x + 4x = 4.22 + 25$ $\newline$ $4.7x = 29.22$ $\newline$ Now, divide both sides by $4.7$ to solve for x: $\newline$ $x = \frac{29.22}{4.7}$ $\newline$ $x \approx 6.21$ (rounded to the nearest hundredth)
Substitute Value of x: Substitute the value of $x$ back into the expression for $y$ . Using the value of $x$ found in Step $4$ , we substitute it into $y = 25 - 4x$ : $y = 25 - 4(6.21)$ $y = 25 - 24.84$ $y \approx 0.16$ (rounded to the nearest hundredth)
Write Solution as Ordered Pair: Write the solution as an ordered pair. $\newline$ The solution to the system of equations is $(x, y) = (6.21, 0.16)$ .