If C=x^{2}+7C=x 2 +7 and D=3x^{2}-4x+3,D=3x 2 −4x+3, find an expression that equals 3C+3D3C+3D in standard form.
1 answer:
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Answer:
all work is shown and pictured
Answer:
Step-by-step explanation:
Right triangle:
height h, width w, hypotenuse h
Area is:
Pytagoras theorem:
In this question:
To find the area, in terms of h and t, we have to write w as a function of h and t. So
So the area is: