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Andrei [34K]
2 years ago
15

Please help!!!!!!!!! (Solve The quadratic equation by completing the square) 2x^2+12x=66 fill in the value of a and b to complet

e the solution

Mathematics
2 answers:
nydimaria [60]2 years ago
6 0

Answer: in order

x=-3-\sqrt{42}

x=-3+\sqrt{42}

Step-by-step explanation:

100 % edmentum  

yKpoI14uk [10]2 years ago
5 0

I hope this it

Explanation:

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3 years ago
What is the surface area of the box if it is scaled up by the factor of 10 and the surface area is 16in
algol [13]
If each linear dimension is scaled by a factor of 10, then the area is scaled by a factor of 100. This is because 10^2 = 10*10 = 100. Consider a 3x3 square with area of 9. If we scaled the square by a linear factor of 10 then it's now a 30x30 square with area 900. The ratio of those two areas is 900/9 = 100. This example shows how the area is 100 times larger.

Going back to the problem at hand, we have the initial surface area of 16 square inches. The box is scaled up so that each dimension is 10 times larger, so the new surface area is 100 times what it used to be

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new surface area = 100*16
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Final Answer: 1600 square inches

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Step-by-step explanation: Hope this helps

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