What is the x-coordinate of the vertex of the parabola whose equation is y = 3x^2 + 12x + 5?
1 answer:
You might be interested in
Answer:
C = 10
Step-by-step explanation:
Find the last side of the triangle using the Pythagorean theorem.
You have a and b already, a = 6, b = 8
solve this to get
C = 10
Apply the same to the other 2 triangles. C is your longest side!
Answer:
0.2
Step-by-step explanation:
Given:
Total number of students = 20
Number of students who have brown hair = 12
Number of students who have blonde hair = 4
Number of students who have red hair = 3
Number of students who have black hair = 1
To find:
Probability of randomly selecting a blonde-haired student from the classroom.
Solution:
Probability refers to chances of occurring of some event.
Probability = Number of favourable outcomes/ Total number of outcomes
Number of favourable outcomes ( Number of students who have blonde hair ) = 4
Total number of outcomes = 20
So,
Probability of randomly selecting a blonde haired student from the classroom =