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algol [13]
3 years ago
8

What is the image of point (4, 3) if the rotation is -270º ?

Mathematics
1 answer:
Ludmilka [50]3 years ago
3 0

Answer:

OK so you point is y=4 and x=3 so plot that on a x,y graph. Then to turn it -270 degrees you need to clock wise. normally you would just go counter clock wise but since your rotation is negative you go counter clock wise. hope this helped!!

Step-by-step explanation:

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C) For this one since they all have a x you can say all of them added together is 180 so -----  3x-11+6x-10+x=180   you can add like terms and have 10x-21=180    add 21 over   10x=201 then divide 201 by 10 and get x=20.1

D) This will take two different equations first do as you did in A for the right triangle ---- 180-(75+67) and get 38 now the angle on the other triangle that it is across from is the same. 38 now do it once again 180-(28+38) and get x=114

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C)Because the two lines are equal (Indicated by the ticks) the angles at the end are as well. so now you have 98+2x= 180    subtract 98 over get 2x=82 then divide by the 2 and get   x=41

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I hoped this helped - all the answers are at the bottom of the explanation and the only one i'm not sure of is the last D
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