问题标题:
【5题英文数学题!今天要!1.Inthecoordinateplane,A=(6,0)andB=(3,4).FindtheareaoftriangleOABwhereOistheorigin.[Hint:TheheightofthetriangleisthediatanceofBfromthex-axis.]2.Inwhichtwoconsecutivemonthsisthedifference】
问题描述:

5题英文数学题!今天要!

1.Inthecoordinateplane,A=(6,0)andB=(3,4).FindtheareaoftriangleOABwhereOistheorigin.[Hint:TheheightofthetriangleisthediatanceofBfromthex-axis.]

2.Inwhichtwoconsecutivemonthsisthedifferencebetweentheaveragetemperaturesgreatest?Whatisthedifference?

3.Suggesttwofractionswithdifferentdenominatorsbutthesamenumeratorssuchthattheirdifferenceis5/12.

4.Awireisfirstbentintoasquareof9cm.Itisthenbentintoarectanglewithanareagreaterthan70cm2.Findtwopossibledimensionsoftherectangle.

5.Thebaseandtheheightofatriangularmetalplateare8cmand4cmrespectively.Themetalplateismeltedrecastintoametalplaceinheshapeofatrapeziumwithaheightthesameasthatofthetriangle.Findtwopossiblepairsofthelengthsoftheshorterbaseandthelongerbaseofthenewmetalplate.[Hint:Thethicknessofmetalplatescanbeignored.]

(如有不会..可以打解释``就是翻译!)

宋允辉回答:
  1.你可以在一个坐标轴上把这两个点画出来.其实这三个点可以组成一个直角三角形的.   2.月份的话,最冷和最热吧,1月和7月?我不清楚哎
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《【5题英文数学题!今天要!1.Inthecoordinateplane,A=(6,0)andB=(3,4).FindtheareaoftriangleOABwhereOistheorigin.[Hint:TheheightofthetriangleisthediatanceofBfromthex-axis.]2.Inwhichtwoconsecutivemonthsisthedifference】|高中数学问答-字典翻译问答网》
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