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igomit [66]
3 years ago
6

What expressions are equivalent to -3.5(2-3n)-2.5n?

Mathematics
1 answer:
docker41 [41]3 years ago
6 0
<span><span>−<span>3.5<span>(<span>2−<span>3n</span></span>)</span></span></span>−<span>2.5n</span></span>Distribute:<span>=<span><span><span><span><span>(<span>−3.5</span>)</span><span>(2)</span></span>+<span><span>(<span>−3.5</span>)</span><span>(<span>−<span>3n</span></span>)</span></span></span>+</span>−<span>2.5n</span></span></span><span>=<span><span><span><span>−7</span>+<span>10.5n</span></span>+</span>−<span>2.5n</span></span></span>Combine Like Terms:<span>=<span><span><span>−7</span>+<span>10.5n</span></span>+<span>−<span>2.5n</span></span></span></span><span>=<span><span>(<span><span>10.5n</span>+<span>−<span>2.5n</span></span></span>)</span>+<span>(<span>−7</span>)</span></span></span><span>=<span><span>8n</span>+<span>−<span>7</span></span></span></span>
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Answer:

Hello!!

the point (6, 7) is reflected across the y axis. what are the coordinates of the reflection?

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2 years ago
The value of y varies directly with x. When y=55, x=1/4. Determine the constant of proportionality
docker41 [41]

Answer:

<u>k = 220</u>

Step-by-step explanation:

<u>Proportion of y and x</u>

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