rom the following, identify a linear cquallon $$ \begin{array}{llll} ext { A) } 2 x+5 & ext { B) } 2 x+5

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rom the following, identify a linear cquallon $$ \begin{array}{llll}	ext { A) } 2 x+5 & 	ext { B) } 2 x+5<11 & 	ext { () } 2 x+5 & 	ext { () } 180^{\circ}\end{array} $$ $$ \frac{2}{3} $$ of a right angle is B) $$ 90^{\circ} $$

UpStudy AI · Accepted Answer

To identify a linear equation from the options provided, let's analyze each option step by step:

1. **Option A: $$ 2x + 5 $$**  
   This expression is not an equation because it does not have an equality sign. It is simply an algebraic expression.

2. **Option B: $$ 2x + 5 < 11 $$**  
   This is an inequality, not a linear equation. It compares $$ 2x + 5 $$ to 11 but does not state that they are equal.

3. **Option C: $$ 2x + 5 $$**  
   Similar to Option A, this is also an algebraic expression without an equality sign.

4. **Option D: $$ 180^{\circ} $$**  
   This is a constant value and does not represent a linear equation.

None of the options provided represent a linear equation in the standard form $$ ax + b = c $$.

Now, regarding the second part of your question about $$ \frac{2}{3} $$ of a right angle:

A right angle is $$ 90^{\circ} $$. To find $$ \frac{2}{3} $$ of a right angle, we can calculate:

$$
\frac{2}{3} \times 90^{\circ}
$$

Let's perform this calculation.

$$
\frac{2}{3} \times 90 = 60^{\circ}
$$

Thus, $$ \frac{2}{3} $$ of a right angle is $$ 60^{\circ} $$.

In summary:
- There is no linear equation among the options provided.
- $$ \frac{2}{3} $$ of a right angle is $$ 60^{\circ} $$.
There is no linear equation among the given options. Additionally, $$ \frac{2}{3} $$ of a right angle is $$ 60^{\circ} $$.

rom the following, identify a linear cquallon \( \begin{array}{llll}\text { A) } 2 x+5 & \text { B) } 2 x+5<11 & \text { () } 2 x+5 & \text { () } 180^{\circ}\end{array} \) \( \frac{2}{3} \) of a right angle is B) \( 90^{\circ} \)

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