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1 answer:
<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>
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$7.50 per hour times <span>32.5 hours equals $243.75
$ 7.50 per hour
x 32.5 worked hours
----------
$243.75 is her check</span>
Answer:
9
Step-by-step explanation:
10+ -7
3
3 = 9/3
9
This equation is written in slope-intercept form y = mx + b
m = slope
b = y-intercept
In this equation the slope is -4/5
Hope This Helped! Good Luck!
9514 1404 393
Answer:
DJ = 48
Step-by-step explanation:
The centroid (J) divides the median into parts that have the ratio 2:1.
DJ : JH = 2 : 1
DJ : (DJ +JH) = 2 : (2+1)
DJ : DH = 2 : 3
DJ = (2/3)DH = (2/3)(72)
DJ = 48
