Answer: C. (3,-2) (-6,-9) (-6,9) (-9,6) (9,6)
Answer:
1. 3.4
2. 23.4
3. 8
4. 14.25
5. 9.6
6. 6
7. 25
8. 28.8
9. 1.35
I hope this is the right answer key
Step-by-step explanation:
15 1/5×7 3/5= 120.9 because you would haft to change it to a decimal then times them
Let's simplify step-by-step.
<span><span>2m</span>−<span>(<span>n−<span>(<span>m−<span>2n</span></span>)</span></span>)
</span></span>Distribute the Negative Sign:
<span>=<span><span>2m</span>+<span><span>−1</span><span>(<span>n−<span>(<span>m−<span>2n</span></span>)</span></span>)
</span></span></span></span><span>=<span><span><span><span>2m</span>+<span><span>−1</span>n</span></span>+<span><span>−1</span><span>(<span>−m</span>)</span></span></span>+<span><span>−1</span><span>(<span>2n</span>)
</span></span></span></span><span>=<span><span><span><span><span><span>2m</span>+</span>−n</span>+m</span>+</span>−<span>2n
</span></span></span>Combine Like Terms:
<span>=<span><span><span><span>2m</span>+<span>−n</span></span>+m</span>+<span>−<span>2n
</span></span></span></span><span>=<span><span>(<span><span>2m</span>+m</span>)</span>+<span>(<span><span>−n</span>+<span>−<span>2n</span></span></span>)
</span></span></span><span>=<span><span>3m</span>+<span>−<span>3n
</span></span></span></span>Answer:
<span>=<span><span>3m</span>−<span>3<span>n</span></span></span></span>
