Answer:
The vertex is at (2,1)
Step-by-step explanation:
The vertex form of a quadratic is
y = a(x-h)^2 +k where (h,k) is the vertex
f(x) = 3(x - 2)^2 + 1.
The vertex is at (2,1)
Answer:
7
Step-by-step explanation:
Answer:
9 11/12
Step-by-step explanation:
4(x)=12
x=3
3 1/4=3 3/12
3(x)=12
x=4
6 2/3=6 8/12
3 3/12+6 8/12=9 11/12
All you have to do is input these terms in a scientific calculator and you would immediately get the answer. However, you should note that the units are in radians. Therefore, make sure that your calculator is in the mode of radians before inputing. Then, you would get an answer of 1/2.
Expand the left hand side:

Simplify the left hand side:

Subtract 79.99 from both side:

Divide both sides by 17:

So, he must invite less than 7 friend to the party.