# Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3

143,010 questions, page 292
1. ## math

Find: Two numbers whose sum -10 and whose product is 5. ;;; x+y = -10 x= -10-y xy=5 (-10-y)y=5 -10y-y^2 = 5 -y^2-10y-5=0 y= -9.47213595499958 and y= -0.52786404500042 Two numbers whose sum is 1 and whose product is 1. ;;; y= (-1+ sqrt(-3))/-2 y= (-1 -

asked by John on February 1, 2016
2. ## physics

on a air track, a 400g glider moving to the right at 2.00m/s collides elastically with a 500g glider moving in the opposite direction at 3.00 m/s. Find the velocity of the first glider after the collision Find the velocity of the second glider after the

asked by Alana on March 19, 2010
3. ## Calculus

A particle moves in a straight line with velocity t^-2 - 1/9 ft/s. Find the total displacement and total distance traveled over the time interval [1,4]. I found out that the total displacement is .4116 But I cannot find the total distance traveled.

asked by D on November 11, 2010
4. ## Physics

500 J of heat are added to 59 g of water initially at 20°C. (a) How much energy is this in calories? (b) What is the final temperature of the water? I know that to find (a) I have to use the constant 4.19 J and divide it into the 500 J yielding 119.33

asked by Mandi on April 27, 2012
5. ## Math - Arithmetic & Geometric

1) Given the terms a35 = 1238 and a70 = 1483 of an Arithmetic. Find the exact value of the term a105 a sequence and sum of sequence. 2) Given a3 = 99 and a5 = 891 of a Geometric. Find the exact value of the term a7 of the sequence and the sum of sequence.

asked by Student555 on February 28, 2011
6. ## Algebra 1- Math

The sum of a smaller number and twice a larger number is 67. If the smaller number is increased by 5, the sum will equal the larger number. Find the numbers. A rectangles width is four more than twice its length. Its perimeter is 62. Find the dimension of

asked by Tony on February 6, 2013
7. ## statistics

Assume that women's heights are normally distributed with a mean given by u=64.6 in and a standard deviation given by 0=2.8in. a) If 1 woman is randomly selected, find the probability that her height is less than 65in. b) If 49 women are randomly selected,

asked by angela on November 7, 2013
8. ## Trigonometric functions

1)I have a right triangle. the hypotenuse is 7 the opposite leg is x and an angle is 32. Which equation can be used to find x? A)sin32=x/7 B)cot32=7/x C)tan32=x/7 D)cos32=x/7 I chose D 2)A right triangle 26 is the hypotenuse,opposite leg is 15. Find A to

asked by Jon on February 10, 2008
9. ## problems faced in conserving kalimantan rainforest

i need to know what are some problems and successes in the conserving of the kalimantan rainforest. i tried to find websites regarding this topic, but i couldn't find any with information. i would really appreaciate if anyone would be able to give me a few

asked by hayley on December 23, 2007
10. ## Social studies

2. How did printing in the vernacular affect daily life during the Renaissance? A. More people learned Latin. B. (My answer) Literacy increased among ordinary people. C. More people became interested in reading poetry. D. Books were available in fewer

asked by Sigma on May 24, 2019
11. ## Science 7R (Homework Check, answer quick)

Can you check if the answr is correct and of there any any grammar mistakes. 1. Explain why the invention of the microscope was important in the study of cells? Answer - The reason why the invention of the microscope was important in the study of cells is

asked by Laruen on November 15, 2011
12. ## Physics

A cord connected at one end to a block which can slide on an inclined plane has its other end wrapped around a cylinder resting in a depression at the top of the plane as shown in the figure (Intro 1 figure) . Determine the speed of the block after it has

asked by Andrei on May 28, 2009
13. ## math

Brie's cabinet has 6 cans of vegetable soup,4 cans of chicken soup, and 8 cans of beef barley soup. She will pick a can of soup from the cabinet at random. 1. What is the probability brie will pick a can of vegetable soup? Write your answer in ratio from.

asked by john on January 15, 2012
14. ## Physics

a plane travels 1.3 km at an angle of 28 degrees to the ground, then changes direction and travels 6.8 km at an angle of 20 degrees to the ground. A) What is the magnitude of the plane's total displacement? answer in units of km. B) At what angle above the

asked by bubba on August 26, 2009
15. ## Astronaut launches bowling ball

A 100 kg astronaut carries a launcher loaded with a 10 kg bowling ball; the launcher and the astronaut’s spacesuit have negligible mass. The astronaut discovers that firing the launcher results in the ball moving away from her at a relative speed of 50

asked by David on July 28, 2014
16. ## Calc.

Find the area of the region bounded by the parabola y=x^2, the tangent line to this parabola at (1,1) and the x-axis. I don't really get what this question is asking. It looks like the area of right triangle to me...try the graph, and shade the area under

asked by Hebe on September 26, 2006
17. ## chemistry

Mg3N2 +6H2O- 3Mg(OH)2 + 2NH3-- How many grams of H2O are needed to produce 150g of Mg(OH)2? I thought I had this but.....the correct answer should be 93 grams Where did I go wrong?? 1) Change 150 g Mg(OH)2 into moles by dividing by molar mass from periodic

asked by Connie on October 2, 2011
18. ## Chemistry

I am trying to find the theoretical yield for this lab I am working on. The steps to finidng it would be great. In my lab I took 40mls of H2O + 4g of AgNO3+ 8g of NaCL then I stirred it and filtered in a buchner funnel to be left with 6.7496g of silver

asked by Gweedo8 on June 7, 2009
19. ## horizontal asymptotes

find the HAs of y = (x-9) / sqr(4x^2 + 3x+ 2) What happens to y as x goes to +/- infinity? Specifically, is y approaching some limit from above or below? ?? I see your question was to just find the horizontal asymptotes and not to evaluate the function's

asked by brian on September 27, 2006
20. ## math

A) Daily sales of petrol from the Nabua service station are normally distributed with Mean 6300L and the standard deviation 400L. (i) If a daily sale is selected at random, find the probability that it is less than 6200L. (ii) If petrol sales are sampled

asked by oliva on September 26, 2016
21. ## MATH!!

How do I find vertices of a curve and a hyperbola? This may help: http://www.mathwords.com/v/vertices_of_a_hyperbola.htm The vertex is where the tangent to the curve chages direction most rapidly. When the curve is symmetric about vertical or horizontal

asked by BOB? on December 6, 2006
22. ## Social Studies

How did Carnegie's company break the union at the Homestead mills? My answer: It broke the union after the company responded to the union's refusal to accept reduced wages by locking out union workers from the mill and announcing that it would hire

asked by Anonymous on May 14, 2013
23. ## Chemistry

You are completing tests using a weather balloon and want to check the temperature at 3000 meters into the air. You check if the balloon will not burst before it gets to that altitude. You will need to perform a few calculations. The manufacturer of the

asked by Anonymous on April 3, 2016
24. ## Physics

The planet Tralfamador is a planet of mass M and radius R, and very thin atmosphere (neglect air resistance). A magnetic rail gun has been mounted on the surface of Tralfamador at the North pole. A projectile of mass m is fired from the magnetic rail of

asked by J on May 1, 2013
25. ## physics

A rock is tossed straight up with a velocity of 37.1 m/s. When it returns, it falls into a hole 18.8 m deep. What is the rock's velocity as it hits the bottom of the hole? Responses The gain in kinetic energy equals the loss of potential energy. (1/2) M

asked by Vishnu on October 8, 2008
26. ## Decolorizing

Question: A compound you have prepared is reported in the literature to have a pale yellow color. When the substance is dissolved in hot solvent to purify it by crystallization, the resulting solution is yellow. Should you use decolorizing charcoal before

asked by Sheryl on September 27, 2006
27. ## Calculus

A covered metal triangular trough is constructed as follows: A square shaped sheet of metal which is 70 centimeters wide and long square is folded along the center. Next, two pieces of metal in the shape of isosceles triangles are are welded to the ends.

asked by Mike R on December 3, 2006
28. ## MATH

THANK YOU! Brenda and her family were driving to her grandmother’s house during a holiday. During the drive, Brenda fell asleep halfway through the trip. When she awoke, her family still had to travel half the distance that she had traveled while she was

asked by To; Millie on November 18, 2011
29. ## Math - Nash equilibrium

Part 1 Consider a variant of electoral competition on the line that captures features of the US presidential election. Voters are divided between two states. State 1 has more electoral college votes than does state 2. The winner is the candidate who

asked by nate on February 28, 2011
30. ## math ga connection please check my answer

a bag contains 4 white, 3 blues, and 5 reds marbles 1. find the probability of choosing a red marble, then white marbles if the marbles are being replaced. 1/12 5/36 5/6 5/12 **** 2.find the probability of choosing 3 blue marbles in a row if the marbles

asked by jirra on February 14, 2019
31. ## math

Consider the following binomials. A=(x^2+5x) B=(6x+30) Part 1: Factor each binomial by finding the GCF. Then, add the two factored binomials to make a single expression. Part 2: Now add the original forms of binomial A and B together to make a trinomial.

asked by mark on February 2, 2008
32. ## AP Physics

A Honda Civic and Lincoln Town Car are initially at rest on a horizontal parking lot at the edge of steep cliff. The Town Car has twice as much mass as the Civic. Equal constant forces are applied to each car and they accelerate across equal distances

asked by Hannah on December 3, 2009
33. ## English

Review of verb tense(present,past,future) Dianne, Sara, and Emily all (go)__________ to college together twenty years ago. They (have)___________ a wonderful time and (learn)_________ a lot. Now, the three of them (work)__________ at the same insurance

asked by Siti on January 5, 2016
34. ## Calculus

Hello. I'm having problems with a couple of Calculus questions that involve maximums of geometric shapes. The first one is: 1. Find the dimensions and minimum volume of a right circular cone which can be circumscribed about a sphere of diameter 8. What I

asked by Alex on January 11, 2007
35. ## CHEM HELP

I asked this already but for some reason the answer I got isnt being accepted online Question: In the laboratory, 3.50 grams of salicylic acid were reacted with 7.20 ml of acetic anhydride (density equal to 1.08 g/ml). Determine the limiting reagent. I

asked by Yaw on November 27, 2012
36. ## algebra

from our text book "Bittenger, M. L. & Beecher, J. A. (2007). Introductory and intermediate algebra (3rd ed.). Boston: Pearson-Addison Wesley" can someone please help me with "Review examples 2, 3, and 4 in section 8.4 of the text. •How does the author

asked by judyanne on January 13, 2011
37. ## math

vector a is 8 ft., vector b is 2 ft, and theta is at 41 degrees. find the resultant and the direction. I drew a diagram that shows a connecting with b (head to tail), and they make the 41 degrees. I use law of cosines and got about 6ft, which doesn't sound

asked by Anonymous on November 18, 2009
38. ## Social Studies

I need to know about fashion and style during the Heian period. Also, please revise this narrative about a girl during the Heian period. ONly edit if you know what youre doing. this is my final so no fooling please!! thanks so much (due 2morrow) HELP!!!

asked by Kinza on May 19, 2008
39. ## math

1. The largest of five consecutive integers is twice the smallest. Find the smallest integer. 2. When the sum of three consecutive integers is divided by 9 the result is 7. Find the three integers. 3. If each of three consecutive integers is divided by 3,

asked by rita on July 14, 2013
40. ## chemistry

I can't figure this question out for the life of me. If anyone could help me, that'd be great! Given change of heat of formation for Cu^2+ (aq)=+71.7kJ/mol and that for Zn^2+(aq)= -153.9kJ/mole; find the heat of reaction for: Zn(s) + Cu^2+(aq) -> Zn^2+(aq)

asked by Anonymous on June 24, 2006
41. ## History

1. What were the Townshend Acts? (1 point) -The British put taxes on imported goods such as tea and glass. (answer) -The British put taxes on hotels and other lodging accommodations. -The British put taxes on newspapers, magazines, and official licenses.

asked by Anonymous on October 8, 2014
42. ## math

1. A submarine was suituated 800 feet below sea level. If it ascends 250 feet, what is it new position 2. Metal mercury at room temperature is a liquid. Its melting point is -39°C. The freezing point of alcohol is-114°C. How much warmer is the melting

asked by tsunayoshi on July 31, 2014
43. ## electromagnetism

Three long, thin, co-planar wires are separated by 10cm and arranged as shown. The top wire carries 1A, the middle wire carries 2A, and the bottom wire carries 3A. 2A (6 points possible) What is the magnitude of the force per unit length on the TOP wire in

asked by JuanPro on April 14, 2015
44. ## English Poetry

Could someone please explain Charlotte Smith poem "on being cautioned against walking on a headland overlooking the sea" ? or can you tell me where I can get explanations to poetry which I find very difficult to understand. thanks I don't know this poem

asked by Elda on February 13, 2007
45. ## Physics

A car with a total mass of 1.48 103 kg has wheels of radius 33.5 cm and moment of inertia 0.810 kg · m2. (a) Find the car's translational kinetic energy when the car is moving at a speed of 30.0 m/s. (b) Find the car's rotational energy when the car is

asked by BrandiB123456789 on December 10, 2013
46. ## Physics

A turnbuckle is needed to apply an 8kN force on a cable. If the efficiency of the turnbuckle is 40% and the force applied is 159.155N with a lever of 20cm in length. a)Find Mechanical Advantage: M.A.=Load/Effort M.A.=8000/159.155 M.A.=50.265 (ans.) b)Find

asked by Henri on April 22, 2009
47. ## Physics

A proton, moving with a velocity of vi, collides elastically with another proton that is initially at rest. Assuming that after the collision the speed of the initially moving proton is 2.90 times the speed of the proton initially at rest, find the

asked by PersonWhoNeedsHelp on November 8, 2015
48. ## Chemistry

Magnesium sulfate is often used it first aid hot-packs giving off heat when dissolved in water. When 2.00 g of MgSO4 dissolves in 15.0 mL of water (d= 1.00g/mL) at 25.0ºC, 1.51 kJ of heat is evolved. A) Write the balanced equation for this reaction. I

asked by Chris on January 28, 2007
49. ## Math

Find the no. of terms 1. 3,5,7...33 2.-5,-1,3,...75 Solve each problem. 1. In the Arithmetic sequence 5,8,11,14.... what is n if a sub n is 32? 2.Find the sum of the first 20 terms of the arithmetic sequence -15,-7,31,43...

asked by Aliza on January 21, 2013
50. ## Maths

M squared is greater than or equal to 36 How to find m I only have one set of answers for m and that is m is greater than or equal to 6 How to find the second set? Working out please

asked by Jiskhaa on July 1, 2012
51. ## math

1. find the least common multiple of each number pair 27,36 2. find the greatest common factor of each number pair 24,28

asked by kaleb on December 17, 2009
52. ## Math-II ( Joint and Combined Variation)

1. R varies jointly as S and t. If R=1/6,S=1/8 and T=3, find R when S=2 and T=11. formula: R=KST 2. U varies jointly as L and H and inversely a S. If U=1.8, L=6.4, H=1.5 and S=-7.2, find U when L=4.3, H=5.1 and S=-2.2. formula: U=KLH/S Please Help!!

asked by jezzaD. on November 30, 2012
53. ## Math

Find the last two digits (units and tens digit) in 1829^1829 and find the units digit in 23^7777.

asked by Jonathan on August 1, 2012
54. ## Statistics

Let N= {1,2,3,...}, that is, N is the set of natural numbers. Find a proper subset X of N such that there is not a one-to-one correspondence between X and N. Find a proper subset Y of N such that there is a one-to-one correspondence between Y and N.

asked by Kassie on January 29, 2010
55. ## Math

Let N= {1,2,3,...}, that is, N is the set of natural numbers. Find a proper subset X of N such that there is not a one-to-one correspondence between X and N. Find a proper subset Y of N such that there is a one-to-one correspondence between Y and N.

asked by Kassie on February 1, 2010
56. ## Geometry

A rectangle has area and length. Find the width. Area=27t^2-18t Length= 9t How do I find the width?

asked by Court on September 4, 2013
57. ## Math

Let N= {1,2,3,...}, that is, N is the set of natural numbers. Find a proper subset X of N such that there is not a one-to-one correspondence between X and N. Find a proper subset Y of N such that there is a one-to-one correspondence between Y and N.

asked by Kassie on February 1, 2010
58. ## Algebra 1

How do you find an expression that represents the area of a triangle? How do you find an expression that represents the area of a rectangle? I just need examples..

asked by Gabby on February 2, 2014
59. ## Calculus

Find the x-values of all points where the function below has any relative extrema. Find the values(s)of any relative extrema. G(x)=(x-3)^2/x-4. How do I solve this?

asked by Duane on November 23, 2014
60. ## Calculus

Find the area of the region bounded by the line y=3x and y= x^3 + 2x^2? and find the area of the region bounded by the curve y=e^2x -3e^x + 2 and the x-axis?

asked by Akansha on May 10, 2011
61. ## chem

Complete the table below: Answer the following for a body centered unit cell. (Hint: Helpful information can be found by going to the "Lattice" menu, choosing "Cubic", and then choosing "Body-Centered" in the Crystalline Solids program.) Crystalline Solids

asked by brian on February 21, 2011
62. ## Language arts

Please check my answers. Thank You! Use the text passage to answer the question. Whatever you post online—whether a silly picture, angry comment, or sharing about a chronic illness—is there forever. Delete it all you want, but colleges and employers

asked by Anonymous on September 28, 2016
63. ## math

2. How is the graph of y = –2x² – 5 different from the graph of y = –2x²? (1 point) It is shifted 5 units up. It is shifted 5 units down. It is shifted 5 units left. It is shifted 5 units right. 3. A model rocket is launched from a roof into a

asked by Anonymous on March 11, 2014
64. ## physics

1. A 70 kg uniform 4.0 m long beam is attached to a vertical wall and is supported by a wire. The beam makes an angle of 45 degrees with the horizontal and the wire is horizontal. The horizontal component of the force that the wall exerts on the lower end

asked by Sandhya on May 24, 2008
65. ## Multicultural Psychology?

The question is: Do populations such as women, gays, lesbians, the elderly, and those with disabilities constitute a distinct group? Why or why not? The following is my answer. Can someone help by adding more to this answer? These populations are all are

asked by Linda on February 25, 2011
66. ## AP Biology Help

Does anyone know the definition of an OPPORTUNISTIC POPULATION? I have looked all over the internet and i cant find anything. Opportunistic species are those that colonise an unstable or periodically extreme environment.They can colonise quickly, although

asked by Bryans Gurl on August 2, 2005
67. ## social studies

what factor did not contribute to the conquest of the Aztecs in the early 16th century? A. The spread of European diseases B. The technological and cultural weakness of the Aztec state C. Alliances with other indigineous forces D. Religious beliefs among

asked by Keith on August 7, 2007
68. ## Managerial Economics

The manager of All City realtors wants to hire some real estate agents to specialize in selling housing units acquired by the Resolution Trust Commission (RTC) in its attempt to bail out the savings and loan industry. The commission paid by RTC to the

asked by Dede on November 24, 2010
69. ## Math

1) A television tower is 160 feet high and an observer is 120 feet from the base of the tower. Find, to the nearest degree, the angle of elevation of the top of the tower from the point of observation. 2) A vertical pole 22 meters tall casts a shadow 16

asked by Lauren on October 13, 2016
70. ## English

Posted by rfvv on Thursday, December 2, 2010 at 3:41am. 1. What was her character? 2. What does she look like? 3. What's her personality? 4. What is she like? 5. What is she similar to? -She was quiet and shy. (Can all the sentences from #5 to #1 be the

asked by rfvv on December 2, 2010
71. ## business english

can u give me guidelines to solve this exercise or tell me if they are right please? Avoid discriminatory language: change these sentences to avoid discriminatory language. 1. any worker who ignores this rule will have his salary reduced. my answer: The

asked by efi on October 19, 2011
72. ## English

1. In "The Scarlet Ibis" which character trait of the narrator most leads to his regret at the death of his brother? a. generosity b. creativity c. cruelty d. pride*** 2. Cause - There is a concern about global warming and the damage it is doing to the

asked by Kaai97 on January 27, 2016
73. ## Literature---Please Help!

Discussing a book that involves a conflict between two characters leads children to: 1. examine their values 2. fear confrontation 3. act out unacceptably 4. adopt the behavior of one of the characters. Would #1 or #4 be the most best answer? Please help

asked by Karin on February 5, 2007
74. ## Language Arts, help a.s.a.p.

What is the term of the part of a story that sets up the story’s ending? A. exposition B. conflict C. falling action D. resolution Short Selection: Our farm was on Stone Church Road near the parkway. I was very upset when my parents sold it, but Dad said

asked by PonyGirl on August 22, 2016
75. ## history

Which answer best explains how the Articles of Confederation established governmental roles in regards to a system of currency? Both Congress and the states could print and borrow money. The states printed their own money. There was no national money.

asked by Marc-Anthony on January 5, 2016
76. ## Physics

A turnbuckle is needed to apply an 8kN force on a cable. If the efficiency of the turnbuckle is 40% and the force applied is 159.155N with a lever of 20cm in length. a)Find Mechanical Advantage: M.A.=Load/Effort M.A.=8000/159.155 M.A.=50.265 (ans.) b)Find

asked by Henri on April 23, 2009
77. ## Physics (is this right?)

A turnbuckle is needed to apply an 8kN force on a cable. If the efficiency of the turnbuckle is 40% and the force applied is 159.155N with a lever of 20cm in length. a)Find Mechanical Advantage: M.A.=Load/Effort M.A.=8000/159.155 M.A.=50.265 (ans.) b)Find

asked by Henri on April 24, 2009
78. ## Please check my math

A turnbuckle is needed to apply an 8kN force on a cable. If the efficiency of the turnbuckle is 40% and the force applied is 159.155N with a lever of 20cm in length. a)Find Mechanical Advantage: M.A.=Load/Effort M.A.=8000/159.155 M.A.=50.265 (ans.) b)Find

asked by Henri on April 26, 2009
79. ## Physics Classical Mechanics

A uniform steel beam of mass m1= 300.0 kg is held up by a steel cable that is connected to the beam a distance L= 5.0 m from the wall, at an angle θ= 40.0∘ as shown in the sketch. The beam is bolted to the wall with an unknown force F⃗ exerted by the

asked by A on November 26, 2013
80. ## Math

Earl answered 2 more math questions correctly than Anna did. Anna answered 3 fewer questions thatn Juanita did. Juanita answered 21 questions correctly. How many questions did Earl answer correctly? Could someone explain how to get the answer. Thanks.

asked by Mattie on September 18, 2008
81. ## Physics

A certain CD has a playing time of 80 minutes. When the music starts, the CD is rotating at an angular speed of 4.8 102 revolutions per minute (rpm). At the end of the music, the CD is rotating at 2.1 102 rpm. Find the magnitude of the average angular

asked by Mary on March 13, 2007
82. ## Math

In a bag M&M's, the probability of choosing a yellow m&m is 1/5. In a bag of skittles, the probability of choosing red is 1/4. What is the probability of choosing a yellow m&m and a red skittle?? Number of events:________________

asked by Tisy on May 14, 2015
83. ## probability/statistics

You roll two fair dice, a white one and a red one. a. find P(5 or 6 on the white die and odd number on the red die). b. Find P(odd number on the white die nad 5 or 6 on the red die). c. Find P(5 or 6 on the white die nad 5 or 6 on the red die. Please show

asked by Harley on June 27, 2011
84. ## Communication Skills

I have this text and i don't understand the question that's below it (English is not my first language... and im not looking for answer its just i'd like to understand the question so i can come up with answer myself) Charlotte is a 43 year old mother of

asked by Viola on November 11, 2011
85. ## Chemistry

N2(g) + 3H2(g)  2NH3(g) at STP How many litres of ammonia gas is produced using 5 litres of H2? N2 + 3H2 ---> 2NH3 - the ratio between H2 and NH3 is 3 : 2 - it's given 5 litres of H2, so the volume of NH3 formed is 5/3*2 = 10/3 = 3.33 (L) Sig FIG ANSWER

asked by Lauren on March 29, 2019
86. ## physics

At time t=0 a projectile passes through the point (0,0,192) with a velocity v=10i-2j+16k. Because of spin and gravity, the projectile experiences an acceleration given by a=2i-32k. a. Find the velocity v(t) and position vector R(t) at time t>0. b. At what

asked by nicole on February 23, 2011
87. ## calc

f(x)=x^2/4+x^3 find the power series representation...so far i found ...Óx^2n+2/4^n...is dat correct?...nd then it is asking to find the radius and interval of convergence...i found the radius to be x^2/4...so i set the radius between -1 and 1...nd then

asked by amy on May 5, 2007
88. ## MATH!!!

A function machince accepts inputs as ordered pairs. The componeys of the ordered pairs are natural numbers and the first componet is the length of the rectangle and the second componet is the width. the given machince comptes the perimeter ( the distance

asked by EMMA on November 14, 2014
89. ## algebra

ok i don't get this one in 1920 the record for a certain race was 45.9 sec in 1980 it was 44.1 sec let r (T) = the record in the race and t= the number of years since 1920 (a) find a linear fuction that fits the data (b) use the funcation in (a) to perdict

asked by need help please on December 20, 2009
90. ## Math

For some constants A and B, the rate of production, R(t), of oil in a new oil well is modelled R(t)=A+Be^(-t)sin(2πt) where t is the time in years, A is the equilibrium rate, and B is the "variability" coefficient. Find the total amount of oil produces in

asked by Patricia on February 20, 2013
91. ## Calculus II

For some constants A and B, the rate of production, R(t), of oil in a new oil well is modelled R(t)=A+Be^(-t)sin(2πt) where t is the time in years, A is the equilibrium rate, and B is the "variability" coefficient. Find the total amount of oil produces in

asked by Patricia on February 19, 2013
92. ## PHYSICS

Two people Simultaneously kick the same soccer ball, each with a force of 10. N. One force is directed 45 degrees N of E, the other 30 degrees S of E. What are the magnitude and direction of the resultant of their forces? I know that for one of them the

asked by Aya on October 14, 2014
93. ## math

Suppose you need \$2.40 in postage to mail a package to a friend. You have 9 stamps, some \$0.20 and some \$0.34. How many of each do you need to mail the package? So to solve this problem, I came up with two inequalities: 1. a + b is less than or equal to 9

asked by Angie on April 10, 2009
94. ## PRE CALC

1. solve tan36 degrees- tan2degrees/ 1+tan36 degrees tan 2 degrees as a single function. 2. Find the exact value of sin (α-β) if sina=4/5 and cos β= -9/41 terminal side of α lies in I and terminal side of β lies in III 3. If cosx=1/12 and sinx > 0,

asked by pleasehelp! on March 4, 2011
95. ## Maths Vector Helpppp

The points A and B have position vectors, relative to the origin O, given by −−→OA = i+2j+3k and −−→OB = 2i+j+3k. The line l has vector equation r = (1−2t)i+ (5+t)j+ (2−t)k. (i) Show that l does not intersect the line passing through A and

asked by Ariana on January 19, 2015
96. ## PHYSICS HELP

A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 31 m high. When it hits the ground at the base of the cliff, the rock has a speed of 29 m/s . a.Assuming that air resistance can be ignored, find the initial speed of the rock . v0=

asked by ANONYMOS on April 9, 2017
97. ## Deadline Approaching: Please Help

SIMPLEX METHOD - Table: Nutrient Peanuts Raisins M&Ms Pretzels Calories 855 435 1024 162 Protein 34.57 4.67 9.01 3.87 Fat 72.50 0.67 43.95 1.49 Carbs 31.40 114.74 148.12 33.68 Suppose that you want to make at most 10 cups of trail mix, using all the

asked by Jay on June 6, 2011
98. ## Chemistry

Fill in the Blanks When atoms share electrons to gain the_____ configuration of a noble gas, the bonds formed are______. Atoms lose and gain electrons to form electron configurations like a noble gas (octet in the outer shell). Atoms share electrons to

asked by Bryan on December 15, 2006
99. ## Algebra 2

PLEASE HELP WITH THIS-ITS DUE APRIL 5TH, 2011!!! During a past epidemic, the number of infected people increased exponentially with time, or f (t) = ab^t , where f is the number of infected people at time t, in days. Suppose that at the onset of the

asked by Lindsey on March 27, 2011
100. ## earth//space science

what is an inverse relationship? explain the relationship between the density of a planet and the distance the planet is from the sun "what is an inverse relationship? explain the relationship between the density of a planet and the distance the planet is

asked by Lindsey on November 16, 2006