The cost of 2 televisions and 3 dvd players is $1421. the cost of 1 dvd is half the cost of 1 television. what is the cost of 1 television?

Step-by-step explanation:

We know that

2 tv's and 3 dvd's cost $1421

Let's call tv's and dvd's. So, this statement can be modelled as

The cost of 1 dvd is half of the cost of 1 tv. This can be expressed

Now, we replace the second equation into the first one

Then, we replace this value in one equation to find the other value

Therefore, the cost of one tv is $406, and the cost of one dvd is $203.

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false

step-by-step explanation:

false.   two legs of the trapezoid would be congruent, but the other two would not.   were all the legs congruent, then we'd have a square; were the 2 shorter sides congruent and the 2 longer sides also congruent, we'd have a rectangle.