Answer:
x= -35 because you have tk get x alone. so you subtract 20 from -15
Answer:
what is ac?
Step-by-step explanation:
Multiply<span> by </span><span><span>(7−4i)/</span><span>(7−4i)</span></span><span> to make the </span>denominator<span> of </span><span><span>(4−7i)/</span><span>(7+4i)</span></span><span> real.
</span><span>(<span><span>4−7i/</span><span>7+4i</span></span>)(<span><span>7−4i/</span><span>7−4i</span></span>)
</span>Expand <span>(7+4i)(7−4i)</span><span> using the </span>FOIL<span> Method.
</span><span>(4−7i)(7−4i)/</span><span>7(7)+7(−4i)+4i(7)+4i(−4i<span>)
</span></span><span>Simplify.
</span><span><span>(4−7i)(7−4i)/</span>65
</span>Expand <span>(4−7i)(7−4i)</span><span> using the </span>FOIL<span> Method.
</span><span><span>4(7)+4(−4i)−7i(7)−7i(−4i)/</span>65
</span>Simplify each term<span>.
</span><span><span>28−16i−49i−28/</span>65
Simplify
</span><span><span>−65i/</span>65
</span><span>−i</span>
Answer:
your answer will be <em><u>H. 85</u></em>
Step-by-step explanation:
hope it helps u
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