Susan made $117 for hours 9 of work.
1 answer:
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Answer:
Step-by-step explanation:
We can add the two equations to eliminate and solve for
.
Now, we can find for by using substitution:
(given)
Hope this helps :)
Answer:
To perpendicular bisector of line segment WX. There are following steps:
1) Draw arcs or circles from points A and B on the both sides of WX.
2) Name the intersection points as W and X.
3) Use the straightedge to draw a line through points W and X.
4) Name the point as O
hence we have construct perpendicular bisector AB of WX which bisects at O.
let's say
A(-3,1) B(-3,5) C(4,1)
we need to find the perimeter of ABC for that we find each of the sides
AB BC and AC
there is a formula to find the distance between 2 poins
let's say that a point has the structure A(x1,y1) where x=-3 and y=1 and B(x2,y2) where x2=-3 and y2=5
AB=
AB=
AB=
AB=4
we do the same thing for AC and BC
AC=
AC=
AC=7
BC=
BC=
BC=
BC=
The perimeter is equal to the sum of the sides
P=AB+AC+BC=4+7+=11+