89/5
Alternative form
1) 17.8
2)17 4/5
That comes to 225.65 / 6.25
= 36.1 hours
Number one would be no solution
1 kilometer is 1000 meters
so, 5 times 1000 = 5000
5 kilometers is 5000 meters
it is 5000 meters from Kenny's house to Violet's house
<span><span>3.(4p−2)</span>(p−4)</span><span>
=<span><span>(<span>4p+−2</span>)</span><span>(<span>p+−4</span>)
</span></span></span><span>=<span><span><span><span><span>(4p)</span>(p)</span>+<span><span>(4p)</span><span>(−4)</span></span></span>+<span><span>(−2)</span>(p)</span></span>+<span><span>(−2)</span><span>(−4)
</span></span></span></span><span>=<span><span><span><span>4p2</span>−16p</span>−2p</span>+8
</span></span><span>=<span><span><span>4p2</span>−18p</span>+<span>8
Simplified form - </span></span></span>4p2−18p+<span>8
4.</span><span>(<span><span><span>2x2</span>+4x</span>−3</span>)</span><span>(<span>3x+1</span>)
</span><span>=<span><span>(<span><span><span>2x2</span>+4x</span>+−3</span>)</span><span>(<span>3x+1</span>)
</span></span></span><span>=<span><span><span><span><span><span><span>(<span>2x2</span>)</span><span>(3x)</span></span>+<span><span>(<span>2x2</span>)</span>(1)</span></span>+<span><span>(4x)</span><span>(3x)</span></span></span>+<span><span>(4x)</span>(1)</span></span>+<span><span>(−3)</span><span>(3x)</span></span></span>+<span><span>(−3)</span>(1)</span></span></span><span>
=<span><span><span><span><span><span>6x3</span>+<span>2x2</span></span>+<span>12x2</span></span>+4x</span>−9x</span>−3
</span></span><span>=<span><span><span><span>6x3</span>+<span>14x2</span></span>−5x</span>−<span>3
Simplified form - </span></span></span><span>6x3+14x2−5x</span>−<span>3</span>
