Answer:
x = 3
Step-by-step explanation:
Δ BDE and Δ BAC are similar triangles, thus the ratio of corresponding sides are equal, that is
=
, substitute values
=
( cross- multiply )
4(3x + 5) = 7(x + 5) ← distribute parenthesis on both sides )
12x + 20 = 7x + 35 ( subtract 7x from both sides )
5x + 20 = 35 ( subtract 20 from both sides )
5x = 15 ( divide both sides by 5 )
x = 3
Answer:

Step-by-step explanation:
<u>Theorem: The diagonals of a kite are perpendicular.</u>
Let O be the point of intersection of the diagonals,
Applying Pythagoras Theorem, in right triangle WOX

Applying Pythagoras Theorem, in right triangle WOZ

Answer:
Step-by-step explanation:
Answer: 2x^2
The three terms are
2x^2
-3x
5
as they are separated by a plus sign. You can think of it as 2x^2 + (-3x) + 5 if you want. The quadratic term is the term with the exponent of 2
Answer:
no clue buddy sry
Step-by-step explanation: