Tutors Answer Your Questions about Linear Algebra (FREE)
Question 401564: i have a graph,the following graph shows the depriciation for a corprate airplane from 2006 to 2009. the plane was purchases new in 2006;therefore,x=0 represents the year 2006. x-axis(horizontal)= years starting from 0=2006 and increasing by 0.5 years Y-axis(vertical)= price in $ amounts
A) list the coordinates of two points on the graph in (x,y) form?
(1.0__,_228000____), (__3.0,_204000___)
B) Find the slope(rate of depriciation) of this Line
C)Find the equation of this line in slope-intercept form..
Click here to see answer by stanbon(57347)  |
Question 401586: i tried to answer the question but i cant i had help to get the equation y=(2000/3)x=(4000/3)x=22666.67 anwser being b=22666.67 Y=mx+b 228000=(4000/3)(1)+b , now i need to figure out if the rate of depritation continues at the present rate,what will he value be in 2017 slope = (208000-204000)/(3-1)=4000/3
if i may plz ask for help on one more! i have an equation of p(50)=-0.3(60)^2+60(50)-1500 im not sure if it right? i need to find the profit if 50 awards sre sold P(x)=-0.3^2=fx-m $60 id desighn fee,studio rent is $1,500 would the equation be P(x)=-0.3x^2+60x-1500?
Click here to see answer by stanbon(57347) |
Question 401583: graph the equations on the same graph by completing the tables and plotting the points.
A) y=-2x+7 use the table to find at least 3 points using any values for x
B) y_x^2-4x
Please help i dont even know where to begin?
Click here to see answer by stanbon(57347) |
Question 411655: Can someone please show me how to solve
A poster is in the shape of a right triangle with a base that is three feet longer than the height. If the area of the triangle is 90 square feet, find the height.
a. 9'
b. 12'
c. 15'
d. 18'
Click here to see answer by stanbon(57347) |
Question 411661: If one of you has a moment can you please help.
A ball is propelled upward from ground level. After t seconds, its height in feet is a function defined by f(t)=-16t^2 + 96t. After how many seconds will it reach a height of 144 feet?
a. 2 seconds
b. 3 seconds
c. 4 seconds
d. 6 seconds
Click here to see answer by josmiceli(9680)  |
Question 412961: A gas station sells 4820 gallons of regular enleaded gasoline on a day when they charge $1.35 per gallon, whereas they sell 3883 gallons on a day that they charge $1.40 per gallon. Find a linear function that expresses gallons sold a function of price.
Click here to see answer by josmiceli(9680) |
Question 414788: a bus is to be chartered for the senior class trip. the basic fare is $9.50 per passenger. If more than 20 people go everyone's fare is reduced by $0.30 for each passenger over this number (20). At least how many people must go to make the fare less than $7.50 per passenger?
Click here to see answer by josmiceli(9680) |
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