6/8-3/8
3/8
the answer to 3/4-3/8 is 3/8
430-18 not in index
p+18=430
Answer:
4,a
5.d
6.c
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Step-by-step explanation:
Answer: The slope is - 1/2.
Step-by-step explanation:
Answer:
see explanation
Step-by-step explanation:
(3)
Parallel lines have equal slopes
the equation of a line in sloipe- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y =
x + 5 ⇒ m = 
y = 4x + 5 ⇒ m = 4
y = - 4x + 5 ⇒ m = - 4
y = - 4x - 9 ⇒ m = - 4
the 3rd and 4th options have equal slopes and are parallel
(4)
given a line with slope m then the slope of a line perpendicular to it is
= - 
y =
x + 4 ⇒ m = 
y = -
x + 5 ⇒ m = - 
y =
x + 3 ⇒ m = 
y = 6x + 3 ⇒ m = 6
note that a slope of m = 6 , has a perpendicular slope of
= - 
the 2nd and 4th lines are perpendicular