Asked by help
Which represents a reduction?
A
(x,y) —> (0.9x, 0.9y)
B
(x,y) —> (1.4x, 1.4y)
C
(x,y) —> (0.7x, 0.3y)
D
(x,y) —> (2.5x, 2.5y)
11
Which set of lengths are not the side
lengths of a right triangle?
A
28, 45, 53
B
13, 84, 85
C
36, 77, 85
D
16, 61, 65
not sure at all
A
(x,y) —> (0.9x, 0.9y)
B
(x,y) —> (1.4x, 1.4y)
C
(x,y) —> (0.7x, 0.3y)
D
(x,y) —> (2.5x, 2.5y)
11
Which set of lengths are not the side
lengths of a right triangle?
A
28, 45, 53
B
13, 84, 85
C
36, 77, 85
D
16, 61, 65
not sure at all
Answers
Answered by
bobpursley
(x,y) —> (0.9x, 0.9y)
sqrt(28^2+45^2)=53
sqrt(84^2+13^2)=85
sqrt(36^2+77^2)=85
sqrt(16^2+61^2)=63.5
sqrt(28^2+45^2)=53
sqrt(84^2+13^2)=85
sqrt(36^2+77^2)=85
sqrt(16^2+61^2)=63.5
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