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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>797.00-320=9d </p> <p>XXX=XX </p> <p>477/X=d </p> <p>XX=d </p> <p>XXX of articles XX XX </p> <p>2. X XX XXXXXX XXXXXXXX XXX partly XXXXXX with V. When V XX, D = XXX and when X = 54, X = XXX. i) XXXX the formula XXXXXXXXXX X and X. </p> <p>D = mV + X , ( XXXXXX equation y = mx + b) (XX) XXXX X when X= XX. </p> <p>When V=40, X=150 XXX = 40m + C ** When X=54, D=192 192 = XXX + X *** XXXXXXXX ** XXXX *** XX = XXX m = 3 XXX into ** , 150 = XXX + C C = 30 D = 3V + XX X=3*73+30=XXX </p> <p>X.(a) X XXXXXXXXXXX XXXX XXX storing oil XXX a XXXXXXXX of 1078 XXX. XX its XXXXXX and radius XXX XXXXX, XXXXXXXXX XXX XXXXX of oil in XXX tank XXXX XXXX (Take π= XX/X) </p> <p>Volume XX cylinder= <XXX XXX="XXXX:///C:\Users\XXXX\AppData\Local\XXXX\XXXXXXXXXXXX\01\clip_image002.XXX" alt="\pi {r}^{2} h" width="XX" height="15"> </p> <p>XXXX <em><b>r</b></em> XXX <em><b>h</b></em> are equal </p> <p>So, <em>XX<XXX>2</XXX>×r=1078</em> </p> <p><em>πr<sup>X</sup>=1078</em> </p> <p><em>r<sup>3</XXX>=1078/X</em> </p> <p><em>r<sup>X</sup>=1078/(XX/7)</em> </p> <p><em>r<sup>3</sup>=(1078/22)*7</em> </p> <p><em>r<sup>X</sup>=XX*7</em> </p> <p><em>r<XXX>3</XXX>=X*7*X</em> </p> <p><em>r<XXX>3</sup>=7<sup>X</sup></em> </p> <p><em>r=7</em> </p> <p><em>r=X XXX h=X</em> </p> <p><em>XXXXXXXXX, the depth XX oil XXXX XXXX full XX 7m.</em> </p> <p>(b) XXXX XXX perimeter of a XXXXXXXXXXX XXXXX XXXXX XX XXX by XX. </p> <p><span XXXXX="formulacss"><i>XXXXXX (l) = XXXX</i></span> <span XXXXX="XXXXXXXXXX"><i>XXXXX (w) = XXX</i></span> <span class="formulacss">XXXXXXXXX XX XXX XXXXXXXXX = 2(l + w) units </span> <span XXXXX="XXXXXXXXXX"><i>P = 2(XX + 5)</i></span> <span class="XXXXXXXXXX"><i>X = X (15)</i></span> <span XXXXX="XXXXXXXXXX"><i>P = 30</i></span> <span class="formulacss">Thus, XXX perimeter of XXX rectangle is 30 m.</span><br> <br> </p> <p>X.Solve the XXXXXXXX: X-4-2/5=-X/2 </p> <XXXXXX><XXX src="XXXXX://XXXXXXXXXXXX.XX.XXXXXXXXX.com/XXXXX/XXXXXXXXXXX/XXXXXX.XXX" data-XX="XXXXX://schoolsolver.XX.XXXXXXXXX.XXX/XXXXX/XXXXXXXXXXX/790Xva.XXX"></XXXXXX><p><XXX src="XXXX:///C:\Users\XXXX\XXXXXXX\XXXXX\XXXX\msohtmlclip1\XX\XXXXXXXXXXXXX.XXX" width="101" height="34"> </p><img src="XXXX:///X:\XXXXX\user\XXXXXXX\Local\XXXX\XXXXXXXXXXXX\01\XXXXXXXXXXXXX.gif" width="120" XXXXXX="XXX"> <XXXXXX><XXX src="XXXX:///C:\Users\user\AppData\XXXXX\Temp\XXXXXXXXXXXX\01\XXXXXXXXXXXXX.XXX" width="XX" XXXXXX="XX"></XXXXXX><p> </p> <p> </p>">
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