Answer:
⇒ The given quadratic equation is x2−kx+9=0, comparing it with ax2+bx+c=0
∴ We get, a=1b=−k,c=9
⇒ It is given that roots are real and distinct.
∴ b2−4ac>0
⇒ (−k)2−4(1)(9)>0
⇒ k2−36>0
⇒ k2>36
⇒ k>6 or k<−6
∴ We can see values of k given in question are correct.
I got it its this answer i used mathpapa for this
-10y^2 + (-3y^2) - 4y^2 - (-6y^2) =
-10y^2 - 3y^2 - 4y^2 + 6y^2 =
-17y^2 + 6y^2 =
- 11y^2
Answer:
38.46%
Step-by-step explanation:
Given,
The total number of students = 325
The number of students preferred pineapples = 200
Therefore, The number of students preferred bananas = (325 - 200) = 125
Among 325 students, banana is preferred 125 students
Among 1 student, banana is preferred 125/325 students
Among 100 students, banana is preferred (125*100)/325 students
= 500/13
= 38.46% (2 decimal places)
