The measure of angle A in the isosceles triangle ABC is equal to 120 degrees.
<h3>What is an
equation?</h3>
An equation is an expression that shows the relationship between two or more numbers and variables.
In the triangle ABC, AB = BC = 8. Triangle ABC is an isosceles triangle and ∠B = ∠C = 30° (base angles are equal).
∠A + ∠B + ∠C = 180° (sum of angles in a triangle)
∠A + 30 + 30 = 180
∠A = 120°
The measure of angle A in the isosceles triangle ABC is equal to 120 degrees.
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Solve the equation using the quadratic formula
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The Quadratic formula provides the solution for
A
n
2
+
B
n
+
C
=
0
, in which A, B and C are numbers (or coefficients), as follows:
So it would be either n= -5.127 or n= 12.873
Answer: (X+6)(x-4)
Step-by-step explanation:
x^2-4x+6x-24 ==> x^2+2x-24
*Find two numbers that multiplied gives you -24 and add up to 2*
(6)(-4)= -24 6-4=2
Final result= (x+6)(x-4)
Answer:

Step-by-step explanation:
Apply Distributive property:

Add like terms and then add 63 to both sides of the equation:

Pick the coefficient of the x term, divide it by 2 and square it:

Add it to both sides of the equation:

Rewriting the left side as a squared binomial, we get:

Apply square root to both sides:

And finally we need to add 1 to both sides of the equation. Then we get:

Answer: 10 to the 10th power
Step-by-step explanation: