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Maths Problems!!!!!!!!!!!
發問:
how do you solve inequations and percentages and more3x + 7 > 137y - 5 7y + 2a x 3 x c2p x 3q4t x 2r x 5sm x 3mk x k x k j x j - 3 17.5% of $240 and 72 , 760 1 1 1 + 3 2 4 顯示更多 how do you solve inequations and percentages and more 3x + 7 > 13 7y - 5 7y + 2 a x 3 x c 2p x 3q 4t x 2r x 5s m x 3m k x k x k j x j - 3 17.5% of $240 and 72 , 760 1 1 1 + 3 2 4
最佳解答:
3x+7>13 3x>13-7 3x>6 x>2 7y-5<23 7y<23+5 7y<28 y<4 4p - 4<2p + 20 4p-2p<20+4 2p<24 p<12 58 - y>7y + 2 58-2>7y+y 56>8y 7>y y<7 a x 3 x c =3ac 2p x 3q =6pq 4t x 2r x5s =40rst m x 3m =3m² k x k x k =k³ j x j - 3 =j²-3 17.5% of $240 =$240(17.5%) =$42 17.5% of $72 , 760 =$72760(17.5%) =$12733 2009-04-23 11:26:11 補充： 參考資料:http://hk.knowledge.yahoo.com/question/question?qid=7009042300177
其他解答:
3x + 7 > 13 3x > 13-7 3x > 6 x > 2 7y - 5 7y + 2 58 - 2 > 7y + y 56 > 8y 7 > y y
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