needs to be in long division and if someone could could they tell i how to do long division i forgot how
1 answer:
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Answer:
The value of 'x' is 17.
Step-by-step explanation:
Given:
Δ IJK ≅ ΔPQR
m∠I = 3x + 4
m∠P = 72 - x
To Find:
x = ?
Solution:
Δ IJK ≅ ΔPQR ...........Given
If two triangles are congruent then the corresponding angles of congruent triangles are congruent.
∴∠ I ≅ ∠ P ........corresponding parts of congruent triangle (CPCT)
Substituting the values we get
The value of 'x' is 17.
Answer:
x=
Step-by-step explanation:
Given:
This is a quadratic equation.
Taking common 3 from the equation given
⇒
dividing both side by 3
⇒
By using different factor, we can observe this trinomial can not be factored.
∴ solving it by completing the square.
⇒
adding 9 on both side
⇒
To get a perfect square number as coeffecient of x is 4, lets add both side by 4.
⇒
we know,
∴
Taking Square root on both side, remember; √a²= a
⇒
opening parenthesis
⇒
subtracting both side by 2
∴ x=