2 years ago

Daniel solves the equation 3(x + 1) - 5 = 3x - 2 and states that it has no solution Is he correct? Explain why or why not

1 answer:

lisabon 2012 [21]2 years ago

6 0

Any answer is correct because when you plug in any number you'll get the same thing on both sides
3x-2=3x-2 (any value can be plugged in for x)

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Help please !!!!!!!!!!!!!!

yKpoI14uk [10]

1) The triangles are similar, so correponding sides have the same ratio.
.. 3x/20 = (4x +2)/28
.. 3x/5 = (4x +2)/7 . . . . . . . multiply by 4
.. 7*3x = 5(4x +2) . . . . . . . multiply by 35 = 5*7
.. 21x = 20x +10 . . . . . . . . eliminate parentheses
.. x = 10 . . . . . . . . . . . . . . . subtract 20x

2) The triangles are similar, so corresponding measures have the same ratio.
.. x/42 = 10/15
.. x = 42*(10/15) = 28

3) The third angle of triangle ABC is 180° -20° -80° = 80°. Then two of the angles of ABC match those of JKL. The 3rd answer selection is appropriate.

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2 years ago

What is the equivalent exponential form of the fourth root of x?

mart [117]

I hope this helps you