The square root of the sum of a number and 1 is equal to twice the square root of 3. (radical equations)

Question

Bella · Answer

Answer:   Let the number be x. The problem is represented by the equation below:    2√(x+3) = 2x    Square both sides:    4(x+3) = 4x²    Divide through by 4    x+3 = x²    x²-x-3 = 0    Solve the quadratic equation using the quadratic formula    x = (1+√13)/2 or (1-√13)/2    A quick check shows the latter does not satisfy the original equation so    x = (1+√13)/2

Kennedy

When the two triangles are congruent we get ____ congruences . *

four
two
six
three

find the sum of 6+3+4+7by finding the pairs of 10 and add them.

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