A pilot flew a small plane against the wind 1 miles from Ashland to Roseberg in hour. The pilot returns with the wind miles to Ashland in minutes. Find the plane's speed against the wind, miles per hour. Find the plane's speed with the wind, miles per hour. What is the plane's speed without the wind? What is the wind's speed?

dnji

step-by-step explanation:

dskfbipo

30

step-by-step explanation:

idk

i hope i

answer: 204

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204

step-by-step explanation: