Step-by-step explanation:
3
fdjdjdjdnfjfjfjfjjfkfjf
Answer:
i think the answer would be 35
Answer:
87
Step-by-step explanation:
66 + 72 + 87 = 225
225 / 3 = 75
Answer: 283/20
Step-by-step explanation:
first u can change them into improper fractions. Then take the LCM of the denominators which will make the denominators same. Its easy after that.
Don't report what you don't understand
the x value of the vertex of the parabola in form
y=ax^2+bx+c
is -b/2a
given
y=6x^2-72x+220
x value of vertex is -(-72)/(2*6)=72/12=6
xvalue is 6
sub that for x in the equation
y=6(6)^2-72(6)+220
y=216-432+220
y=4
(x,y)
vertex is (6,4)
