If one pound is the same weight as 16 ounces, how many ounces equal 3.5 pounds? (only input whole numbers.)
2 answers:
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Answer:
Answer is BD
Step-by-step explanation:
Answer:
1 and - 1
Step-by-step explanation:
The equation of a line passing through the origin is
y = mx ( m is the slope ( gradient ) )
y = x ← is in this form
with gradient m = 1
Parallel lines have equal gradients
Then the gradients of lines parallel to the given line is 1
Given a line with gradient m then the gradient of a line perpendicular to it is
= -
= -
= - 1
Then the gradients of lines perpendicular to this line is - 1