The cost of having someone come to your house and clean for x number of hours is represented by the
1 answer:
Answer:
$140
Step-by-step explanation:
When a variable is placed directly after the coefficient (the number) with no symbols between them, we are supposed to multiply the two together. The variable <em>x</em><em> </em>represents the number of hours this person will spend cleaning your house, and we are trying to find the cost of 4 hours of cleaning. Therefore, we will substitute 4 for <em>x</em>:
Then, we multiply 35 by 4:
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Answer:
The coordinates of point B is (8,-4)
Step-by-step explanation:
Midpoint of a line segment: It is the point on the line segment that divides the segment in two congruent segments.
Since it is given that C is the midpoint of Line segment AB.
Mid-point of a segment of end points and
is, C=
.
As, given the coordinates of A and C are (2,4) and (5,0)
then, we have ,
;
and
to find the coordinates of .
Simplify:
⇒
to solve for we have,
or
or = -4
so, the values of and
Therefore, the coordinates of point B is (8,-4)