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1.(a) I added 18 to 3 times a number, the result
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<p>P=9d+320 </p> <p>797.00=9d+320 </p> <p>797.XX-320=XX </p> <p>XXX=9d </p> <p>XXX/X=d </p> <p>53=d </p> <p>XXX XX articles XX 53 </p> <p>X. D XX XXXXXX XXXXXXXX XXX partly XXXXXX with V. XXXX X 40, X = XXX and XXXX X = XX, D = 192. i) XXXX the XXXXXXX XXXXXXXXXX X XXX X. </p> <p>D = XX + X , ( Linear equation y = XX + b) (XX) XXXX X when V= 73. </p> <p>XXXX V=XX, D=150 150 = XXX + X ** When X=XX, D=192 XXX = 54m + C *** XXXXXXXX ** from *** XX = XXX m = 3 sub into ** , XXX = 120 + C C = XX X = 3V + 30 X=3*XX+30=249 </p> <p>X.(a) A XXXXXXXXXXX XXXX XXX storing oil XXX a capacity of XXXX XXX. XX XXX XXXXXX and radius are XXXXX, XXXXXXXXX XXX depth XX oil in XXX XXXX XXXX XXXX (Take X= XX/X) </p> <p>XXXXXX XX XXXXXXXX= <XXX XXX="XXXX:///X:\Users\user\XXXXXXX\Local\XXXX\XXXXXXXXXXXX\01\XXXXXXXXXXXXX.XXX" XXX="\XX {r}^{2} h" width="XX" height="15"> </p> <p>XXXX <em><b>r</b></em> and <em><b>h</b></em> are equal </p> <p>XX, <em>XX<sup>X</XXX>×r=1078</em> </p> <p><em>XX<sup>3</sup>=1078</em> </p> <p><em>r<sup>3</XXX>=1078/X</em> </p> <p><em>r<XXX>3</XXX>=1078/(XX/X)</em> </p> <p><em>r<XXX>X</XXX>=(XXXX/22)*7</em> </p> <p><em>r<XXX>3</XXX>=XX*7</em> </p> <p><em>r<sup>3</XXX>=X*7*7</em> </p> <p><em>r<sup>X</sup>=7<sup>3</XXX></em> </p> <p><em>r=7</em> </p> <p><em>r=X and h=7</em> </p> <p><em>Therefore, XXX XXXXX of XXX XXXX when XXXX XX 7m.</em> </p> <p>(b) XXXX the XXXXXXXXX XX a rectangular XXXXX which XX 10m XX XX. </p> <p><span XXXXX="formulacss"><i>XXXXXX (l) = XXXX</i></span> <span class="formulacss"><i>XXXXX (w) = XXX</i></span> <span class="XXXXXXXXXX">Perimeter XX XXX XXXXXXXXX = 2(l + w) XXXXX </span> <span XXXXX="formulacss"><i>X = 2(XX + X)</i></span> <span XXXXX="formulacss"><i>X = X (15)</i></span> <span class="XXXXXXXXXX"><i>P = XX</i></span> <span XXXXX="formulacss">XXXX, the perimeter XX the rectangle is XX m.</span><XX> <XX> </p> <p>X.Solve XXX XXXXXXXX: X-X-X/X=-X/X </p> <figure><XXX XXX="XXXXX://XXXXXXXXXXXX.s3.amazonaws.XXX/media/XXXXXXXXXXX/XXXXXX.XXX" data-s3="XXXXX://XXXXXXXXXXXX.XX.XXXXXXXXX.XXX/media/XXXXXXXXXXX/XXXXXX.XXX"></figure><p><XXX XXX="file:///C:\Users\user\XXXXXXX\Local\Temp\msohtmlclip1\XX\XXXXXXXXXXXXX.jpg" width="101" height="34"> </p><img XXX="file:///C:\XXXXX\user\AppData\XXXXX\Temp\XXXXXXXXXXXX\XX\XXXXXXXXXXXXX.gif" width="120" XXXXXX="300"> <XXXXXX><img src="XXXX:///X:\XXXXX\XXXX\XXXXXXX\XXXXX\Temp\msohtmlclip1\01\clip_image008.gif" width="12" height="23"></XXXXXX><p> </p> <p> </p>">
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