This is a similarity and congruence question.
When shapes are similar, their angles are equal but their sizes are proportionate
So we can say this:
Angle GHE or z = Angle CDA
Angle GHE or z = 110
Answer would be 110
You said so yourself, Tomas paid $18.
The original price of the book was about $21.43.
Answer:
y= -2
Step-by-step explanation:
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Answer:
25/4 or 6.25
Step-by-step explanation:
Given that the general equation of a quadratic equation is given as
ax^2 + bx + c = 0, to complete the square, we subtract c from both sides of the equation and add the square of (b/2a) to both sides.
Hence given x^2-5x-19=0, to complete the square, we add
(-5/2)^2 to both sides following the illustration given.
This is 25/4 or 6.24