Marcos has 3/5 of a pizza remaining and gives his friend 1/5 of the remaining pizza. How much pizza is left over?
1 answer:
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Answer:
They spent $63 and 12 hours each
Step-by-step explanation:
Given
<em>Represent hour with h</em>
For Brian;
For Latrell
Required
Find h and amount
Since, they spent the same amount
Collect Like Terms
Substitute 12 for h in
We have that
<span>y = –x + 8
and
4x + 4y = 12
we know that
if two lines are perpendicular
so
m1*m2=-1
step 1
find the slope of the lines
</span>y = –x + 8 -------> m1=-1
4x + 4y = 12-----> x+y=3 (divided by 4 all expression)
y=3-x
m2=-1
therefore
m1=m2
the lines are parallel
the answer is
<span>No; their slopes are not opposite reciprocals.
</span>
see the attached figure
<span>y = –x + 8
and
4x + 4y = 12
we know that
if two lines are perpendicular
so
m1*m2=-1
step 1
find the slope of the lines
</span>y = –x + 8 -------> m1=-1
4x + 4y = 12-----> x+y=3 (divided by 4 all expression)
y=3-x
m2=-1
therefore
m1=m2
the lines are parallel
the answer is
<span>No; their slopes are not opposite reciprocals.
</span>
see the attached figure