What is the value of y in the parallelogram below?
2 answers:
Answer: The value of y is 34 and the correct option is B.
Explanation:
It is given that ABCD is a parallelogram.
From the given figure it is noticed that,
According to the properties of parallelogram the consecutive angles of parallelogram are supplementary angles and their sum is 180 degree.
From the figure it is noticed that the angle DAB and angle ABC are consecutive angles of the parallelogram.
Therefore the value of y is 34 and option B is correct.
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Answer:
x= 0 , ,
Step-by-step explanation:
Given, equation is +
=
. →→→ (1)
Now, by cubing the equation on both sides, we get
( +
)³ = (
)³
⇒ (15x-1) + (13x+1) + 3××
(
+
) = 64 x.
⇒ 28x + 3××
(
) = 64x.
(since from (1), +
=
)
⇒ 12× ×
(
)= 36x.
⇒ 3x = .
Now, once again cubing on both sides, we get
(3x)³ = ()³.
⇒ 27x³ = (15x-1)(13x+1)(x).
⇒ 27x³ = 195x³ + 2x² - x
⇒ 168x³ + 2x² - x = 0
⇒ x(168x² + 2x -1) = 0
⇒ by, solving the equation we get ,
x = 0 ; x = ; x =
therefore, solution is x= 0 , ,