Miles earned= ((1÷8)×11)÷1
= 1.375 miles
average speed=total distance/total time
=1.375÷3.5=0.3928 miles/min
<em>Answer:</em>
<em>B</em>
<em>C</em>
<em>F</em>
<em>Step-by-step explanation:</em>
<em>6/7</em>
<em>12/17</em>
<em>6/25</em>
<em>Best,</em>
<em>SunflowerJada</em>
Answer:
![2(x-1)^{2}=4](https://tex.z-dn.net/?f=2%28x-1%29%5E%7B2%7D%3D4)
Step-by-step explanation:
<u><em>The options of the question are</em></u>
2(x − 1)2 = 4
2(x − 1)2 = −4
2(x − 2)2 = 4
2(x − 2)2 = −4
we have
![2x^{2} -4x-2=0](https://tex.z-dn.net/?f=2x%5E%7B2%7D%20-4x-2%3D0)
This is a vertical parabola open upward
The vertex represent the minimum value
The quadratic equation in vertex form is
![y=a(x-h)^2+k](https://tex.z-dn.net/?f=y%3Da%28x-h%29%5E2%2Bk)
where
a is a coefficient
(h,k) is the vertex
so
Convert the quadratic equation in vertex form
Factor 2 leading coefficient
![2(x^{2} -2x)-2=0](https://tex.z-dn.net/?f=2%28x%5E%7B2%7D%20-2x%29-2%3D0)
Complete the squares
![2(x^{2} -2x+1)-2-2=0](https://tex.z-dn.net/?f=2%28x%5E%7B2%7D%20-2x%2B1%29-2-2%3D0)
![2(x^{2} -2x+1)-4=0](https://tex.z-dn.net/?f=2%28x%5E%7B2%7D%20-2x%2B1%29-4%3D0)
Rewrite as perfect squares
![2(x-1)^{2}-4=0](https://tex.z-dn.net/?f=2%28x-1%29%5E%7B2%7D-4%3D0)
The vertex is the point (1,-4)
Move the constant to the right side
![2(x-1)^{2}=4](https://tex.z-dn.net/?f=2%28x-1%29%5E%7B2%7D%3D4)
Find that median 169, 72, 161, 322, 56, 145, 64,64, 80, 288, 95, 97, 209,209,48
Alexus [3.1K]
Answer:
97
Step-by-step explanation:
The number in the middle is 97