A waterslide descends 20 m over a horizontal distance of 50 m.What is the slope of the waterslide?Answer,with a positive value,to the nearest tenth.

A waterslide descends 20 m over a horizontal distance of 50 m.What is the slope of the waterslide?Answer,with a positive value,to the nearest tenth. reduce decrease descend 区别RT derive from 和descend from区别 land 与descend区别以及用法 英语翻译There is a marked trade-off among parameterswhen only the descending track is used,which is substan-tially reduced when inverting data from both ascendingand descending tracks.descend track降轨ascend track升轨希望专业人士回答, 英语翻译A quitet tension settled over Haiti yesterday as people waitied to learn how electoral officials proceed in handling chao-marred nationa balloting and the international community hoped the earthqucke ravaged country did not descend yet ag descend from和derive from有什么区别? 这句话有错吗?尤其是descend的用法和从句的位置?或者还有更好的表达方式吗?I have been there twice to seek for a feeling descended from our ancestors,which has hided away from me for a long time. 法语 Elle descend l'escalier en course avec l'enfant.这句话有错误吗? how to understand?Protesters descend on London for Financial Fools Day. descend from与derive from有何区别?貌似都是“起源于...” descend from是起源于、从什么流传下来的意思,为什么要用被动语态?为什么是men were descended from apes?为什么不直接是men descend from apes? 怎样改成简单句或从句?Soon afterwards,the balloon began to descend and it landed near an airfield. 麻烦大家这个空应该填什么?万分感谢Right after the Spring Festival, millions of young people________ from the countryside to the cities in search of work.答案是drifted,还有一个选项是descend, 为什么不可以呢?descend from 需要以下单词的中文解释Structure Architecture Literature picture mixture seizure exposure enclosure expenditure venture adventure sculpture scripture signature moisture posture pleasure capture nature nurture torture Descend Deduct Decelera les enfants jouent au ballon dans le parc 翻译Les fenêtres de la maison donnent sur un jardin qui descend vers la rivière 什么意思 关于how persistent and devastating non-biodegradable trash can be to ur environment and our descend关于how persistent and devastating non-biodegradable trash can be to ur environment and our descendants' 这句话是不是这样翻译1.先翻译 descent 和 descend用法上有什么区别?举2个例句.这2个词都有下降的意思,是一个单词的名词和动词形式吗?有没有什么好的网上单词词典,会列出一个单词的不同词性的那种.不要百度和有道.