Two cars started from the same point and traveled on a straight course in opposi

游客2025-02-23 21

问题 Two cars started from the same point and traveled on a straight course in opposite directions for exactly 2 hours, at which time they were 208 miles apart. If one car traveled, on average, 8 miles per hour faster than the other car, what was the average speed of each car for the 2-hour trip?

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答案 48 mph and 56 mph

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Two cars started from the same point and traveled on a straight course in opposi

IfJasontraveled30milesin6hoursandBeckytraveledthreetimesasfarinh

Whentheaverageofalistofcoursegradesismultipliedbythenumberofcours

Whileridingabicycle,apersontraveled5blocksin2minutes.Atthisrate,h

DISTANCETRAVELEDBYACARACCORDINGTOTHECAR’SSPEED

Twocarsstartedfromthesamepointandtraveledonastraightcourseinopposi

Twocarsstartedfromthesamepointandtraveledonastraightcourseinopposi

Inadrivingcompetition,JeffandDennisdrovethesamecourseataveragespeed

OnehourafterTomstartedwalkingfromXtoY,adistanceof45miles.Bobstar

BeforeGibson,populardiscoursesurroundingtheInformationAgeoften

TORTUOUS:A、meanderingB、rationalC、impassiveD、meagerE、straightforwardE

Americanpianist,SaraFosterreceivedastandingovationfor______performance

[originaltext]Weallknowthatexerciseisgoodforyourhealth.Butsomeki

VALOR:COWARDICE::A、decadence:fervorB、audacity:perseveranceC、superficiali

下列排序算法中，在待排序数据已有序时，花费时间反而最多的排序是()。A.冒泡

A根据电压10.5kV和容量30MVA计算出基准值为0.3，而有名值已知条件已经给出为0.15，因此其标幺值为0.5。

向量a，b的数量积a·b=()。A. B. C. D.

关于小王、小李和小张，我们知道他们三人中一位是律师，一位是医生，一位是教师，并且

某企业推出新产品时指定了一个较高的价格，目的是在短期内获得高额利润，该企业采用的

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李某与用人单位发生争议，在人民调解委员会主持下达成了调解协议。如用人单位不履行该