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Mathematics 10 Online
OpenStudy (iwanttogotostanford):

he

OpenStudy (iwanttogotostanford):

@helpppp @retirEEd @FaiqRaees @Visarika23

OpenStudy (faiqraees):

Apply the dot product formula

OpenStudy (iwanttogotostanford):

could you show me how please? Learning ike this is my best

OpenStudy (visarika23):

u=-5i-4j v=-4i-3j u.v=|u||v|cos(yheta) cos(theta)=u.v/|u||v|

OpenStudy (iwanttogotostanford):

i know its not -9.1

OpenStudy (visarika23):

yes it will be 1.789 approx 1.8

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