The equation y=2x+3 represents the cost y (in dollars) of mailing a package that weighs x pounds.
1 answer:
the equation that represents the cost is a lineal and it is ,as you can see , it is a function with positive slope, it means that as the pounds are heavier, the shipping cost will be higher, the shipping cost is from three dollars onwards, as you can see in the graph, as there are no negative weights, the values of x are taken to from zero onwards
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Answer:
is isosceles.
Step-by-step explanation:
Please have a look at the attached figure.
We are <u>given</u> the following things:
Let us try to find out and
. After that we will compare them.
<u>Finding </u><u>:</u>
Side EG is a straight line so
is sum of internal
and external
<u>Finding </u><u>:</u>
<u>Property of external angle:</u> External angle in a triangle is equal to the sum of two opposite internal angles of a triangle.
i.e. external =
Comparing equations (1) and (2):
It can be clearly seen that:
The two angles of are equal hence
is isosceles.
