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joycewingate919
11.10.2019 •
Mathematics
Rewrite the function by completing the square. f(x)= x^{2} -9 x +14f(x)=x 2 −9x+14
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Ответ:
Step-by-step explanation:
we have
Group terms that contain the same variable, and move the constant to the opposite side of the equation
Complete the square. Remember to balance the equation by adding the same constants to each side
Rewrite as perfect squares
Ответ:
D 142 square inches
Step-by-step explanation:
to find the surface area of a rectangular prism you must use the formula :
A=2(wl+hl+hw)
in this case it would be 2(5*3+7*3+7*5)
5*3=15 7*3=21 7*5=35
15+21+35=71
71*2=142