Subjects algebra

Equal To 3 B27Dbb

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Question: Which of these are equal to 3? Select all that apply. $-\frac{15}{5}$ $-15/5$ $-15/-5$
1. **State the problem:** We need to determine which of the expressions $-\frac{15}{5}$, $-15/5$, and $-15/-5$ are equal to 3. 2. **Recall the division and negative sign rules:** - Dividing two numbers: $\frac{a}{b}$ means $a$ divided by $b$. - A negative sign in front of a fraction means the entire fraction is negated. - Dividing two negative numbers results in a positive number. 3. **Evaluate each expression:** - Expression 1: $-\frac{15}{5}$ $$-\frac{15}{5} = -3$$ - Expression 2: $-15/5$ This is the same as $-\frac{15}{5}$, so: $$-15/5 = -3$$ - Expression 3: $-15/-5$ Dividing two negatives: $$-15/-5 = \frac{15}{5} = 3$$ 4. **Conclusion:** Only the third expression $-15/-5$ equals 3. **Final answer:** Only $-15/-5$ is equal to 3.