A rectangle has 4 sides
each side is a right angle
a right angle by definition is 90 degrees
False
each side is a right angle
a right angle by definition is 90 degrees
False
75% of a number is 120. What is 40% of the number? A. 36 B. 64 C. 138 D. 225
2 answers:
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Answer:
2 and -
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Given
3y = 6x + 9 ( divide all terms by 3 )
y = 2x + 3 ← in slope- intercept form
with slope m = 2
(i)
Parallel lines have equal slopes, thus
the slope of line t is 2
(ii)
Given a line with slope m then the slope of a line perpendicular to it is
= -
= -
, thus
the slope of line r is -