autumncoloredleaves autumncoloredleaves

23-10-2018
Mathematics

contestada

20 POINTS!!!

I need help urgently with the question in the picture below!

20 POINTS I need help urgently with the question in the picture below class=

Respuesta :

23-10-2018

let f(x)=ax+b
11a+b=23.55
12a+b=25.35

solve: a=1.8 b=3.75
so ..

f(x)=1.8x+3.75
if x=31 , f(x)=59.55

Answer Link

Otras preguntas

At the beginning of henrik ibsen’s a doll’s house, nora quickly hides the macaroons she’s eating from torvald because he has forbidden her from eating them. wha

Definitia complementului circumstantial de loc

What is the equation of the line that passes through (-3, -1) and has a slope of 2/5? Put your answer in slope-intercept form. a. y = 2/5x + 1/5 b. y = 2/5x - 1

The last week of a month a car dealership sold 12 cars. A new sales promotion came out the first week of the next month and the sold 19 cars that week. What was

The graph of the function B is shown below,Find B(2)

Alejandro made an error in the steps below when determining the equation of the line that is perpendicular to the line 4x – 3y = –8 and passes through the point

Which of the following is an example of an informational text? (5 points) A. Fiction B. Biography C. Short Story D. Romantic Novel

At a factory, a mechanic earns $17.25 an hour. the president of the company earns 6 2/3 times as much for each hour he works. the janitor at the same company ea

Can permanently damage skin

Which of the following is BEST considered a statement of the public interest? "promote the general welfare" "Grain Inspection, Packers and Stockyards