Answer:
26
Step-by-step explanation:
you said it in the question- If x=24 cm and z=26 cm, what is the length of Z
The solutions for the quadratic equation 9x² - 6x + 5 = 0 are A. 2 complex roots
To determine the the type of roots the quadratic equation 9x² - 6x + 5 = 0, we use the quadratic formula to find the roots.
So, for a quadratic equation ax + bx + c = 0, the roots are
With a = 9, b = -6 and c = 5, the roots of our equation are
Since the roots of the equation are (1 + 2i)/3 and (1 - 2i)/3, there are 2 complex roots.
So, the solutions for the quadratic equation 9x² - 6x + 5 = 0 are A. 2 complex roots
Learn more about quadratic equations here:
brainly.com/question/18117039
Answer: The diameter 7.2 inches and circumference 28 inches of the same circle could not possible.
Step-by-step explanation: Given diameter of the circle = 7.2 inches.
Circumference of the circle = 28 inches.
Formula for Circumference of the circle = πd, where d is the diameter of the circle.
Plugging value of d in formula, we get
Circumference of the circle = π(7.2).
Plugging π= 3.14, we get
Circumference = 3.14 (7.2) = 22.61.
22.61 is smaller than given circumference 28 inches.
<h3>
Therefore, the diameter 7.2 inches and circumference 28 inches of the same circle could not possible.</h3>
Answer:
x = 4
Step-by-step explanation:
When a tangent and a secant are drawn from an external point to a circle.
Then the product of the external part of the secant and the entire secant and the square of the measure of the tangent are equal, hence
x(x + 5) = 6²
x² + 5x = 36 ( subtract 36 from both sides )
x² + 5x - 36 = 0 ← in standard form
(x + 9)(x - 4) = 0 ← in factored form
Equate each factor to zero and solve for x
x + 9 = 0 ⇒ x = - 9
x - 4 = 0 ⇒ x = 4
However, x > 0 ⇒ x = 4
