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Question 1137014: Let n be the number of oil refineries at t years since 2004. A reasonable model of the number of oil refineries is n=-3.51t+171.04.
a. What is the slope? What does it mean in this situation?
b. What is the n-intercept? What does it mean in this situation?
c. Predict the number of refineries in 2019.
Click here to see answer by AfronPie(1)

Question 1137135: What is the equations by graphing on these questions:
1. y=-2x+1y=x-5
2. y+1/2x-3y=3/2x-1
3. y=2xx+y=3
4. x+y=o3x+y=-4
5. x=3-3yx+3y=-6
6. x+2y=-44y=3x+12
7. y=-2 2x-5=20
9. 4x+3y=-15y=x+2
If you can help be with the answers today asap it would greatly appreciated

Click here to see answer by MathLover1(20849)

Question 1137415: The point (2,1) lies on the line whose equation is
Click here to see answer by ikleyn(52777)

Question 1137414: What are the coordinates of a point on the with with the equation-2×+5
Click here to see answer by ikleyn(52777)

Question 1137413: Find the equation of the line that has a slope of -2 and a y intercept of-9
Click here to see answer by ikleyn(52777)

Question 1137477: what is the slope of
y=5x+2,y+3x+8

Click here to see answer by ikleyn(52777)

Question 1137476: y=5x+2,y+3x+8
Click here to see answer by ikleyn(52777)

Question 1137529: Which are the coordinates of a point on the line with the equation-2x+5?
1. (-4,3)
2. (-3,11)
3. 1,-1)
4. (4,3)
Click here to see answer by Boreal(15235)

Question 1137535: The point (2,-1) lies on the line whose equation is..
1. 5x+4y=6
2. -5x+4y=6
3.-5x-4y=6
4. 5x-4y=6

Click here to see answer by Boreal(15235)

Question 1137595: write the equation of the line that is parallel to the line y=5x+1 and that passes through the point (2,-3)
+
Click here to see answer by josgarithmetic(39617)

Question 1137794: 3/7(2p - 14) > 6/7p - 6
No matter what I try this doesnt make any sense to me. Could someone explain to me how I can solve this?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1137794: 3/7(2p - 14) > 6/7p - 6
No matter what I try this doesnt make any sense to me. Could someone explain to me how I can solve this?
Click here to see answer by rothauserc(4718)

Question 1137791: Could someone please explain to me how I can solve these three questions?
t - 7 < -15
-8 - b ≤ - 8
c + 5.1 ≤ -2.4
Thank you very much for your help.
Click here to see answer by Theo(13342)

Question 1137804: In a certain country, total alcoholic beverage sales are reported throughout the year. Sales were reported as $110.9 billion at the beginning of 2005 and $131.7 billion at the beginning of 2008.
(a) Let the x-axis denote time and the y-axis denote the amount of alcohol sales (in billions). Let xequals0 correspond to 2005. Fill in the blanks: The given data is represented by the points (____,110.9) and (3,____).
(b) Find the linear equation determined by the two points in part (a).
(c) Use the equation in part (b) to estimate the alcohol sales produced in 2007.
(d) If the model remains accurate, in what year will reported alcohol sales reach $150 billion?

Click here to see answer by josgarithmetic(39617)

Question 1137880: There are 6 red points labelled R1, R2, R3, R4, R5 and R6, and 6 green points labelled G1, G2, G3, G4, G5 and G6. Using straight lines, each red point is connected to at least one green point and each green point is connected to at least one red point. The number of green points connected to R1, R2, R3, R4 and R5 is 5, 4, 3, 2 and 2 respectively. The number of red points connected to G1, G2, G3, G4 and G5 is 4, 3, 2, 1 and 1 respectively. Find the number of red points connected to G6?
thank you!
Click here to see answer by math_helper(2461)

Question 1137931: f(x)=2x^2-4x+6
Click here to see answer by Alan3354(69443)

Question 1137931: f(x)=2x^2-4x+6
Click here to see answer by ikleyn(52777)

Question 1137918: prove that: tan(39°)tan(3°)=tan(15°)tan(9°)
Click here to see answer by MathLover1(20849)

Question 1137986: Can someone please help explain how to correctly solve this:
find the equation of an exponential function given the points on the curve.
(x, y) = (0, 3) and (x, y) = (3, 375)
Click here to see answer by josgarithmetic(39617)

Question 1137989: Describe the end behavior of the graph of the function.
f(x) = −5(8)^ x − 2
As x → −∞, f(x) → ? As x → ∞, f(x) → −∞
Click here to see answer by Boreal(15235)

Question 1137988: Can someone explain how to solve this problem?
The graph of
f(x) = 1/4^ −x is reflected about the y-axis and compressed vertically by a factor of
1/5.
What is the equation of the new function, g(x)?
Click here to see answer by MathLover1(20849)

Question 1138680: 3x-4y=-24
x+y=-1

Click here to see answer by Alan3354(69443)

Question 1138680: 3x-4y=-24
x+y=-1

Click here to see answer by josgarithmetic(39617)

Question 1138681: graph the inequality y<3x-4

Click here to see answer by josgarithmetic(39617)

Question 1138702: Solve the linear programming programing by graphing and then determining which vertex minimizes the objective function
G
=
4
x
+
3
y
.
⎧
⎪
⎪
⎪
⎪
⎨
⎪
⎪
⎪
⎪
⎩
5
x
+
15
y
≥
15
5
x
+
5
y
≥
35
x
≥
0
y
≥
0

Click here to see answer by ikleyn(52777)

Question 1138761: Compare the graph of h(x) = 2x-5 with the graph of f(x) = 2x. Which statement is true?
1. h(x) is translated down 5 units.
2. h(x) is translated up 5 units.
3. h(x) is translated left 5 units.
Click here to see answer by MathLover1(20849)

Question 1138762: Compare the graph h(x) = 2x-3 (x and 3 are small on top) with the graph of f(x) = 2x. Which statement is true?
1. h(x) is shifted up 3 units.
2. h(x) is shifted down 3 units.
3. h(x) is shifted right 3 units.
Click here to see answer by MathLover1(20849)

Question 1138972: please explain:
Write an equation for a function that has a graph with the shape of y=x^2 is shifted 9 units to the right. Then the graph is shifted 10 units upward.
Click here to see answer by MathLover1(20849)

Question 1138898: sketch a graph of a function f(x) on the interval -2 (less than or equal to) x (less than or equal to) 2 with the following properties. Label any points on the x-axis or y-axis which are important.
f is odd.
f"(x) is positive for all x>0.
f'(0) is negative.
f'(1) = 0.
f(2) = 0.
thanks for helping!!
Click here to see answer by greenestamps(13198)

Question 1139229: find: int(x)dy + int(y)dx
Click here to see answer by MathLover1(20849)

Question 1139244: Consider the graph of y=X3 (to the third) if it is translated 3 units to the right and slid 4 units up, what is the resulting equation?
1. Y= (x-3)3(to the third)-4.
2. Y= (x-3)3(to the third)+4.
3. Y= (x-4)3(to the third)+3.
Click here to see answer by MathLover1(20849)

Question 1139250: Draw the graph f(x) =x on a set of axes.
A. How is the graph f(x) translated to form the graph g(x)?
B. How is the graph f(x) translated to form the graph h(x)?

Click here to see answer by greenestamps(13198)

Question 1139249: Describe the transformation performed on f(x)=square root of x that would produce the graph of the function g(x)=-square toot of x-3+7.
Horizontal shift________
Reflections_________
Vertical shift_________
Stretch/shrink____________
Click here to see answer by greenestamps(13198)

Question 1139337: Which graph would represent f(x)=log(x+c), where c>0?

Click here to see answer by MathLover1(20849)

Question 1139415: Use variables to write an equation that represents the relationship between the time x and the distance y. A person runs 175 yards per minute

Click here to see answer by algebrahouse.com(1659)

Question 1139431: Draw the graph of f(x) = x
If g(x) = f(x+5)
If h(x) = f(x) - 6
How is the graph f(x) translated to form the graph g(x)?
How is the graph f(x) translated to form the graph h(x)?

Click here to see answer by MathLover1(20849)

Question 1139512: What is an equation of the line parallel to y = -x + 1 and through (4,4)
Click here to see answer by greenestamps(13198)

Question 1139595: The graph of a quadratic function opens downward with vertex at (3, 9). If the parabola passes through the origin, find the equation of the quadratic function.
Click here to see answer by ikleyn(52777)

Question 1139596: The value of Boycott's stock portfolio is given by the function q(t) = 60 + 66t - 3t^2, where q is the value of the portfolio in hundreds of dollars and t is the time in months. When will the value of Boycott's portfolio be at a maximum?
Click here to see answer by ikleyn(52777)

Question 1139594: Find two positive numbers x and y such that they add to 20 and x^2 + y^2 is a minimum.
Click here to see answer by ikleyn(52777)

Question 1139604: Peter’s farm has 160 meters of fencing, and he wants to fence a rectangular field that borders a straight river. He needs no fence along the river side. Find the largest area of Peter’s farm that can be fenced.
Click here to see answer by ikleyn(52777)

Question 1139601: Peter’s farm has 160 meters of fencing, and he wants to fence a rectangular field that borders a straight river. He needs no fence along the river side. Find the largest area of Peter’s farm that can be fenced.
Click here to see answer by ikleyn(52777)

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7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 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