the latest novel by a popular author has just arrived and by 11:00 a. m a line has formed outside a crowded bookstore. the guard at the door replayed the following information: she is permitted to let 5 people into the bookstore only after 5 people left: customer are leaving at a rate of 1 customer per minute; and she has just let 5 new customer in. A student is the 37th person standing in line they have a class at noon and it will take them 8 minute to walk there. they spend 10 minute browsing at books and 5 minute waiting line to check out. What time will they make it to class

a) y = -3x +2

b) y = 1/2x -6

these 2 can be combined into one equation.

-3x +2 = .5x -6

8 = 3.5x

x = 8 / 3.5 = 2.2857142857

y = -3 * (8 / 3.5) +2

y = (-24 / 3.5) + 2

y = -4.8571428571

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

the answer is a.

step-by-step explanation:

in three games of golf, alex shot two under par four times.

you divide them and then you get the answer i took this class this year

step-by-step explanation: