The Zigzag River is 114 miles longer than twice the Petite River. If the Petite River is 46 miles long, how long is the Zigzag R
2 answers:
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Answer:
Step-by-step explanation:
Formula to determine the scale factor,
Scale factor =
2 =
2 =
P'Q' = 4 cm
Similarly, for the length of A'B',
2 =
2 =
A'B' = 3 cm
For the length of M'N',
2 =
2 =
M'N' = 6 cm
Answer:
<em>k = - 7.5 </em>
Step-by-step explanation:
Slope "m" of a line through points
( ,
)
( ,
)
is m =
Slopes of perpendicular lines are opposite reciprocal:
= - 1
~~~~~~~~~~~~~~~
The slope of a line through points (0, 7) and (2, 10)
=
=
Slope of perpendicular line through points (3, 5) and (k, 12) is =
or =
=
2(k - 3) = - 21
k - 3 = - 10.5
<em>k = - 7.5</em>