Simplify: 5x - 6y + 4x x - 6y 3xy 9x - 6y
2 answers:
Answer:
The correct option is 3.
Step-by-step explanation:
The given expression is
Two or more terms are called like terms if they have the same variables and powers.
In the given expression 5x and 4x are like terms.
On combining like terms we get
The simplified form of given expression is 9x-6y. Therefore the correct option is 3.
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Answer:
x = 88.2
Step-by-step explanation:
The angle at the top of the triangle = 90° - 10° = 80°
and the left side of the triangle is x ( opposite sides of a rectangle )
Using the tangent ratio in the right triangle
tan80° = =
Multiply both sides by x
x × tan80° = 500 ( divide both sides by tan80° )
x = ≈ 88.2