An independent mail delivery service wants to study factors that affect the daily gas usage of its delivery trucks. using data collected from different trucks on various days, a company analyst uses a software to fit a regression model of the form

it would take 7/10 of an hour too fill the pool.

step-by-step explanation:

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

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)

answer: list the statements and i will follow up!

step-by-step explanation: