One smartphone plan costs $48 per month for talk and messaging and $8 per gigabyte of data used each month. A second smartphone plan costs $78 per month for talk and messaging and $3 per gigabyte of
data used each month. Let c represent the total cost in dollars and d represent the amount of data used
The system of equations
= 48 +8d
can be used to represent this situation.
C = 78 +3d
in gigabytes
How many gigabytes would have to be used for the plans to cost the same? What would that cost be?
C

step-by-step explanation:

step-by-step explanation:

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step-by-step explanation:

solution:

we have to construct

∠m nt ≅ ∠p qr

the steps to draw this construction are

step 1: use a compass to draw an arc from point q which intersects the side pq at point a and the side qr at point b.

step 2: draw a segment nt and use the same width of the compass to draw an arc from point n which intersects the segment nt at a point x.

step 3:

step 4: join points n and y using a straightedge.

step 3:

option (d).maintaining the same width of the compass as ab, draw an arc from point x such that it intersects the arc drawn from n in a point y.

to draw   congruent angles , 1. width of compasses while drawing two angles should be same i.e from point at which angle has to be drawn, 2.the distance between the two points where the compass intersects the two sides should be same while drawing any two congruent angles.