首页
登录
职称英语
If the temperature decreases 30 percent from m degrees to 49 degrees, then m-49=
If the temperature decreases 30 percent from m degrees to 49 degrees, then m-49=
游客
2025-02-23
64
管理
问题
If the temperature decreases 30 percent from m degrees to 49 degrees, then m-49=?
选项
A、21
B、75
C、63.7
D、68
E、90
答案
A
解析
此题考查百分比上升或下降中谁是分母。温度从m度降到49度,下降了30%,那么(m-49)/m=30%。得到m=70,因此m-49=21。
转载请注明原文地址:https://tihaiku.com/zcyy/3969326.html
相关试题推荐
Ifthetemperaturedecreases30percentfrommdegreesto49degrees,thenm-49=
Giventhat8percentoffoodcropsgrowsfasteronfarmsusinggroundwa
A、LowtemperaturesB、UltravioletradiationC、AcidicenvironmentsD、Hightemperat
Currentestimatesputthirteenpercentofglobalfloraatriskofextinction,bu
Giventhat8percentoffoodcropsgrowsfasteronfarmsusinggrou
Giventhat8percentoffoodcropsgrowsfasteronfarmsusinggrou
Scientistsbelievethatbyraisingatmosphericpressureandsurfacetemperature,
Scientistsbelievethatbyraisingatmosphericpressureandsurfacetemperature,
Theaveragetemperatureofthelobster-richwatersoffthecoastofFoerklandha
Thereasonminimumtemperaturesaregoingupmorerapidlythanmaximumsmayinvo
随机试题
Whatisthemainpurposeofthediscussion?[br]Accordingtotheprofessor,wha
ThreeTipstoImproveYourPublicSpeakingSkills1.Childrenasyoungas【T1
Peopletypicallyfindunemploymentapainfulexperience.Itmayresultfrom
Dayafterday,asmallbluetruckspeedsalongtheroadsofDenmark’sisland
学校、家庭、社会三方面如何有机地结合起来形成教育合力?
A.肺炎球菌 B.流感杆菌 C.脑膜炎球菌 D.金黄色葡萄球菌 E.病毒
不同人群、不同生理和病理状态,适量运动的内涵相同。( )
取维生素A供试品1滴,加氯仿10ml振摇使溶解,取出2滴,加氯仿2ml与25%三
社会知觉时,图式对新觉察到的信息起()作用。 (A)选择(B)引导 (C
采用定额单价法编制施工图预算的最后一步是填写编制说明,编制说明应写明预算所包括的
最新回复
(
0
)