In "6 is 30% of 20"which of the following isthe rate?ООB. 30%OC 20. Created by jed15delimos. Math

Answer:ANSWER:System of Linear EquationsLet's find the solution of the given linear equation using elimination method.We eliminate y by subtracting the terms of equation (2) from equation (1). Align terms with the same variables.Find the solution of the resulting equation.Hence, we have x = 0.Substitute the value of x in any of the original equations to solve for y. Let's use equation 2.Hence, we have y = 1.Therefore, the solution set is { 0, 1 }.

In "6 is 30% of 20"which of the following isthe rate?ООB. 30%OC 20...

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jed15delimos @jed15delimos

October 2022 1 0 Report

In "6 is 30% of 20"
which of the following is
the rate?
ОО
B. 30%
OC 20

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Answer:

ANSWER:

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System of Linear Equations

Let's find the solution of the given linear equation using elimination method.

We eliminate y by subtracting the terms of equation (2) from equation (1). Align terms with the same variables.

$\large\begin{array}{l}\rm y = 2x + 1 \implies y = \: 2x + 1\\\rm \underline{ \: \: x + y = 1 \implies y = - x + 1} \\ \rm \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 0 = \: 3x \end{array}$

Find the solution of the resulting equation.

$\large \begin{array}{l} \rm 0 = 3x \\ \large \rm x = \frac{0}{3} = 0\end{array}$

Hence, we have x = 0.

Substitute the value of x in any of the original equations to solve for y. Let's use equation 2.

$\large\begin{array}{l}\rm x + y = 1 \\ \rm 0 + y = 1 \\ \rm \: \: \: \: \: \: \: \: y = 1 \end{array}$

Hence, we have y = 1.

Therefore, the solution set is { 0, 1 }.

$\huge\red{\overline{\qquad\qquad\qquad\quad \quad}}$

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