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coolkitty35
20.03.2020 •
Mathematics
Erick went bowling, and after 4 sets, his scores were: 120, 96, 85 and 105. His total after 5 sets were 525. What was his score for the 5th set?
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Ответ:
Step-by-step explanation:
The vertices of the triangle are: R(2,3) , S(4,4) and T(5,0)
The triangle is RST
The sides are:
RS /ST /TR
We will work with vectors to make it easy:
Vector RS (4-2,4-3)=>(2,1)
Vector ST (5-4,0-4)=>(1,-4)
Vector TR (5-2,0-3)=>(3, -3)
Now the distances:
RS= root square( 2^2+1)= r.sq 5
ST= root square (1+4^2)= r.sq 17
TR= root square (3^2+3^2)=r.sq 18
Now part B:
Part B is about drawing