You would plug them in and see if they work. B and D work
<span><span><span>−<span>3.5x</span></span>+7</span>−<span>(<span><span>5.3x</span>−4</span>)</span></span>Distribute the Negative Sign:<span>=<span><span><span>−<span>3.5x</span></span>+7</span>+<span><span>−1</span><span>(<span><span>5.3x</span>−4</span>)</span></span></span></span><span>=<span><span><span><span>−<span>3.5x</span></span>+7</span>+<span><span>−1</span><span>(<span>5.3x</span>)</span></span></span>+<span><span>(<span>−1</span>)</span><span>(<span>−4</span>)</span></span></span></span><span>=<span><span><span><span><span>−<span>3.5x</span></span>+7</span>+</span>−<span>5.3x</span></span>+4</span></span>Combine Like Terms:<span>=<span><span><span><span>−<span>3.5x</span></span>+7</span>+<span>−<span>5.3x</span></span></span>+4</span></span><span>=<span><span>(<span><span>−<span>3.5x</span></span>+<span>−<span>5.3x</span></span></span>)</span>+<span>(<span>7+4</span>)</span></span></span><span>=<span><span>−<span>8.8x</span></span>+11</span></span>Answer:<span>=<span><span>−<span>8.8x</span></span>+<span>11</span></span></span>
<span>same kind of logic except you're given different segments.
PS is the whole segment and PR is half of the segment.
Therefore,
8x= (6x-1)*2 (because that would give you the two halves.)
Now just simplify
8x=12x-2
2=4x
1/2=x</span>
The answer is 16 and you can find that by counting the squares inside (that’s the easiest way to find the answer) hope that helps
Answer:
49
Step-by-step explanation:
desmos is extremely helpful! :)
hope I could help