# Show that the equation 3x^2 - x^3 + 3 = 0 can be rearranged to give: x = 3 + 3 ---- x^2 x^3 = Divide by ? = x = 3 + 3 ---- x^2 Using Xn+1 = 3

62,835 questions, page 161
1. ## MATH

Please help me to find the least common multiple of 24 and 48. 1st go to this site: http://www.aaamath.com/fra66i-lcm.html Then give it a whirl and post what you think the answer is and we'll see if you need further help.

asked by carmen on April 29, 2007
2. ## physics

At what rate must a cylindrical spaceshiprotate if occupants are to experience simulated gravity of g/4? Assume the spaceship's diameter is 36 m, and give your answer as the time needed for one revolution.

asked by Anonymous on October 27, 2009
3. ## English

Good afternoon. My english professor wants me to give an example of highbrow, lowbrow and middlebrow from another art form - such as music, film or dance. Can you help me out I have no idea what this means. Thank you

asked by Anonymous on October 10, 2011
4. ## Chemistry

Spectrophotometric measruments give us a little information about the comlpexity of the fractions that we obtain by solid phese extraction. To determine the identity and number of the compounds each fraction has , what should we do?

asked by Robert on December 9, 2008
5. ## Social Studies

SELECT 2 : Of the following choices, which ones are considered democratic values? a. serving in the military b. honesty c. patriotism d. voting in an election Could someone give me a link to help me answer the question please?

asked by Mimmi on October 6, 2016
6. ## CHEMISTRY LAB

determine Fe3+ in a solution that may be in the 0.0001 to 0.0005 M range.outline a spectrophotometric method that would accurately give the required data. be specific about the solutions that you would use.

asked by Equilibrium on July 6, 2011

I need help ASAP on this im writting a 6 paragraph essay and its due tomorrow i cant even think of a thesis its "Discuss the irony as its used in Animal Farm Be sure to give specific details from the novel." I need help ASSSSAAPP!

asked by Javay on December 16, 2010
8. ## math

i don't understand what they are asking me to do when they give me a quhat looks like this (write acute,right,or obtuse for each angle 1.AFD 2.BFD and thers a bunch of line that intersect off to the side

asked by olivia on February 23, 2014
9. ## physics

Engineers are developing new types of guns that might someday be used to launch satellites as if they were bullets. One such gun can give a small object a velocity of 2.5 km/s while moving it through a distance of only 1.9 cm.

asked by Anonymous on November 1, 2010

Convert these mertic measurements: 1. 5.7g =_____cg =_______mg 2.3326mm =______m =________km 3. 254cm =_______m =_____dm Can you at least give me a conversation table or something, i don't really know how to do these.

asked by Joy on September 29, 2008
11. ## MATH 8TH GRADE Correction

Sorry I forgot to give directions for each problem. The lines represent that the numbers are fractions. Thank you. Multiply ã7/ã8 ~ ã24/ã49 = Divide ã45/ã81 = Simplify 7ã3/ã5 =

12. ## colonial log

i need to make a sort of traveling log from colonial times about 7 to 13 years before the Boston massacre and i'm having writer's block can anyone give me a general plan or idea please?

asked by Rebel on October 21, 2007
13. ## History

Mrs.Sue, I have completed three questions of the four. May you check them? I do not need help on the fourth one because my teacher still has to give us a booklet with the information and etc... I replied to the post that I posted: yesterday at 3:21pm

asked by Sarah on April 5, 2018
14. ## math

Explain how to find the sum positive five plus negative nineusing chips, a number line, or the rules for adding integers. Give the answer with your explanation

asked by drae on February 1, 2012

Select any one household product and create a mini poster displaying a "GREEN ALTERNATIVE". HOW DO I DO THAT??? GIVE ME SOME EXAMPLES... OR CLUES... OR METHODS... OR SMALL DESCRIPTIONS.

asked by Ashlie on September 23, 2009
16. ## public health

What is happening in the world today that can drastically affect public health? Not really sure where to begin on this one. If anyone could give me a neuron jump start, it would be greatly appreciated. thanks in advance, t.j.

asked by tammy on August 25, 2010
17. ## eco

What is the immediate effect of some buys domestically produced dog food for his posh 3-star restaurant, Epicurean Retreat, on U.S. GDP and its components???? Please give me some ideas to do it!!!!!!!!!! THANKS SO MUCH!!!!!!!!

asked by Karen on September 28, 2008
18. ## Anatomy and physiology

Which of the following is not a phase of hemostasis? Vascular spasm Fibrinolysis Platelet plug formation Coagulation This site should give you that information. (Broken Link Removed)

asked by Krupa patel on June 17, 2007
19. ## biology

how do cells use the base sequence of a DNA molecule to produce a polypeptide? i did this today in class but i couldn't get my head around it. i know it has something to do with transcription and translation. please could somebody help me or give me any

asked by sam on January 29, 2008
20. ## Calculus

The number of bacteria in a culture increases exponentially with a growth constant of .2 hour. How long will it take for the population to increase from 3000 to 25,000? Thank you for any help you can give and for your time!

asked by Grace on February 2, 2011
21. ## NM History

Based on your learning in this unit, what is one place that holds special significance for native american identity in new mexico? Give two reasons to justify your choice.

asked by Bob on January 29, 2018
22. ## Children Development

Describe and give examples of changes in your child’s exploratory or problem solving Behavior from 8 through 18 months and categorize them according to Piagetian and Information processing theories. What does this question mean?

asked by M on September 12, 2015
23. ## CORRECTIONAL PRACTICE AND POLICY

What is the impact of Congress’s “truth-in-sentencing” program? a. States that enact legislation requiring defendants to tell the truth at sentencing will receive federal funds to construct new courthouses. b. States that enact legislation requiring

asked by Shantel on September 9, 2014
24. ## Physics

A 2.1kg brass ball is transported to the Moon. a)What is the mass of the brass ball on the earth and on the moon? Wouldn't it be 2.1kg for the earth as well as for the moon? b)Determing the weight of thee brass ball on the earth. F_g=(G*m_ball*m_earth)/r^2

asked by Andrea on November 12, 2007
25. ## MATH

PLEASE HELP ME! I'm not a math student and this is very hard for me. I'm a History Major *shy face* I am not a Math student whatsoever :S this is in my Geography course and I'm very confused can anyone help me out? Imagine that a woodlot 2x3km in size has

asked by Oz on May 31, 2007
26. ## Algebra II

I need some help with some problems as well as need some checked. Could you please help me? Thanks! 1. How do you graph y=1/x 2. How do I the x and y intecepts using a graph? Solve and check the linear equation. 9. (-4x-2)+7=-3(x+3) I got 14 10.

asked by Jessica on August 18, 2007
27. ## Human Body Types

I am looking for the genetic weaknesses that each genetic body type inherits, as I wish to form a chart that cross references these probable/possible weaknesses with factors such as eye colour/ hair colour and so forth. Can you or do you know of anyone who

asked by Dean on June 23, 2005
28. ## Algebra

A painting is 18 inches wide. It is placed inside a frame with a border that is x inches wide. The total width of the painting and the frame is 24 inches. Create an equation to model the situation, and then solve the equation to find the width of the

29. ## Physics 12 Kinematics

I'm not really sure how to use the algebra to prove the monkey shouldn't have dropped. Obviously if the hunter aimed the gun directlt at the monkey it wouldn't hit it as gravity would pull it down. A huntsman fires a gun pointing at a monkey hanging on the

asked by Oscar on November 8, 2013
30. ## algebra

Can someone PLEASE explain how to do this to me? Thank you so much! Ten gallons of a 30% acid mixture is obtained by mixing a 50% solution (X) with 20% solution (Y). Write an equation for the 10 gallon mixture. What is the acid concentration, in gallons,

asked by Holly on October 28, 2010
31. ## Maths

Line L1 has equation 2x -3y+12=0 Gradient of L1 is 2/3x The line L1 crosses the x axis at the point A and the y axis at the point B. The line L2 is perpendicular to L1 and passes through B. A) find and equation of L2 The line L2 crosses the x axis at the

asked by Anonymous on October 9, 2015
32. ## science

from the balanced equation 4NH3 +7O2 - 4NO2 + 6H2O. How many grams of oxygen are necessary to produce 4.50 moles of NO2? I think its 11 grams or 22 grams but im not sure. please help!! First the number of moles of O2, molesO2= (4/7) moles NO2 Notice those

asked by Britney on March 18, 2007
33. ## math

With regards to question J: The variables x and y are connected by the equation y = x2 - x - 5. Some corresponding values of x and y are given in the table below. x -4 -3 -2 -1 0 1 2 3 4 5 y 15 7 a -3 -5 b -3 1 7 15 (a) Calculate the values of a and b (b)

asked by jun on January 24, 2011
34. ## Chemistry

1) Write a balanced chemical equation for the reaction between Cu(NO3)2 * 3 H2O and NaOH. Underline the formula for the precipitate produced by this reaction. (The water of hydration in Cu(NO3)2 * 3 H2O appears as liquid water on the right side of the

asked by Sarah on May 17, 2010
35. ## Math

Suppose the central Park Coffee Shop sells a cup of expresso for 2.00 and a cup of cappuccino for 2.50. On Friday Destiny sold 30 more cups of cappuccino than expresso for a total of 178.50, worth of expresso and cappuccino. How many cups of each were

36. ## physics

Two Children,A and B, fire identical 10g ball bearing from a catapult. The elastic band of each catapult is elastically extended by 0.10m and then released to fire a the ball bearings. Child A's elastic band has a spring constant of 144 N/m. Calculate the

asked by Sam on March 18, 2017
37. ## Algebra

1.Write an equation in point-slope form for the line through the given point with the given slope. (-10,-6);m=-5/8 A.y-6=-5/8(x-10) B.y-6=-5/8 (x+10)*** C.y+6=-5/8(x+10) D.y+10=-5/8(x+6) 2.The table shows the height of a plant as it grows. Which equation

asked by GummyBears on December 4, 2015
38. ## Biology

I know it is a bit long and maybe difficult, please help me to answer these.. 1) I have pET28a with insert inside. Insert is 400 bp in size. I want to check my insert with both single digestion and double digestion. I already isolated my plasmid but i do

asked by Restriction Enzyme Digestion on March 31, 2014
39. ## fluid mechanics

I have a 4" hose attached to a 2" nozzle, me resistance coeffient of the nozzle is .12, and the jet of water exiting the nozzle is 24.4 m/sec. The water is flowing from the 4" to the 2". What I am having trouble finding is Pressure 1 and the the velocity

asked by rok_well on December 9, 2006
40. ## algebra

How do you factor numbers? 2x squared + 5x-3 for instance? 2x^2 + 5x -3 Make two sets of parentheses. ( ) ( ) The first number in each set must be such that the product will be 2x^2. Obviously, that must be 2xand 1x so put them in. (2x )(x ) The next thing

asked by Marie on October 17, 2006
41. ## Math

solve the equation 1. y-5/3=1 a) -2

asked by Anonymous on December 18, 2015
42. ## Chemistry

which of the following equations is the one represented by this experiment? Justify your answer by comparing the moles of iron consumed(Fe 0.139/0.0419= 3.32) and the moles of copper produced(Cu 0.0419/ 0.0419 =1) to the coefficients in the equation of

asked by Ashley on August 7, 2010
43. ## math help

what or how would i solve the following i don't need the answer i want to do it but how would i solve this. Water pressure (p) in the ocean is 2.3 tons per square inch at a depth (d) of 2miles and 3.45 tons per square inch at depth of 3 miles. How do i

asked by jasmine20 on January 13, 2007
44. ## algebra

I need a step by step explanation on how to add these two equations 2x+3y=1 5x+3y=16 Subtract the first equation from the second. (Subtract left and right sides separately). This gives you 3x = 15 Then divide both sides by 3. x = 5 Pretty easy, huh? After

asked by Tony on March 20, 2007
45. ## Calculus

A festivals being planned. The planners need to enclose to adjacent 200 M^2 areas with fencing. They have budgeted $1000 for fencing. Fencing currently cost$10/meter. The diagram of the area is as follows: 1. Write an equation representing the total

asked by Roygbiv on April 6, 2016
46. ## Chemistry

1) When calcium is reacted with cold water, the equation is as follows: - Ca(s) + H2O(l) -->Ca(OH)2(aq) + H2(g) Isn't Ca(OH)2 insoluble? Why is the state symbol aqueous? When I conducted the experiment in a test tube with cold water, I got a white

asked by candy on January 31, 2009
47. ## Chemistry

2. The reaction can be described in words as follows: aluminum sulfate reacted with ammonium hydroxide forming the insoluble product or precipitate, aluminum hydroxide and the water-soluble ammonium sulfate. The chemical equation can be written as follows

asked by Jerry on June 24, 2018

A long thin rod lies along the x-axis from the origin to x=L, with L= 0.830 m. The mass per unit length, $\lambda$ (in kg/m) varies according to the equation $\lambda = \lambda_0 (1+1.110x^3). The value of$\lambda_0$is 0.200 kg/m and x is in meters. asked by Kid on August 24, 2017 49. ## Algebra Multiple choice!!! Help 1.) Find the values of a, b, and c that will make the statement true. [5 a -2] [5 102] [3 4 –b] = [-3 -4 3] [2c 5 9] [-2 5 9] a.) 8R1-R2--> =R2 b.) -8R1-R2 -> =R2 c.) –8R1 +R2 -> =R2 d.) 8R1-R2 -> =R2 2.) Solve the system by triangularizing the asked by Kris on March 28, 2013 50. ## Reiny please help!Algebra I need help with these! I got B for 1. C for 2. and D for 3. Thanks for the help! 1.) Find the values of a, b, and c that will make the statement true. [5 a -2] [5 102] [3 4 –b] = [-3 -4 3] [2c 5 9] [-2 5 9] a.) 8R1-R2--> =R2 b.) -8R1-R2 -> =R2 c.) asked by Becca on March 28, 2013 51. ## Algebra Multiple Choice help!! I need help with these! I got B for 1. C for 2. and D for 3. Thanks for the help! 1.) Find the values of a, b, and c that will make the statement true. [5 a -2] [5 102] [3 4 –b] = [-3 -4 3] [2c 5 9] [-2 5 9] a.) 8R1-R2--> =R2 b.) -8R1-R2 -> =R2 c.) asked by Kris on March 28, 2013 52. ## algebra trains a&B are traveling in the same direction on parallel tracks. train a is traveling at 60 miles per hour and train b is traveling at 70 miles per hour. train a passes a station at 3:15a.m. if train b passes a station at 3:45a.m., what time will train b asked by anonymous on August 30, 2009 53. ## math,help,algebra I I need help can someone help me get unstuck and let me know if i am correct.thank you. solve by completing the square. 4x^2+2x-3=0 this is what i am doing: i used the quadratic equation. so where i am is in this step: x = (-2 (+-) sqrt (-44))/(8) from this asked by jasmine20 on April 14, 2007 54. ## Physics- just verfiying an equation hello, so i'm doing a physics project where I have found the following equation for centripetal force: Fcent=mrù^2 Where f= centripetal force m=mass r=radius ù=angular velocity my question is to make centripetal force greater, does that mean mass, radius asked by Jesse on January 9, 2016 55. ## Algebra A phone company has a monthly data plan where a customer pays flat monthly fee of$20 and then a certain amount of money per gigabyte (GB) of data used on the phone. If a customer uses 3 GB, the monthly cost will be $26. If the customer uses 4 GB, the asked by Laisha on October 12, 2018 56. ## Physics The temperature of 2.0 g of helium is increased at constant volume by ΔT. What mass of oxygen can have its temperature increased by the same amount at constant volume using the same amount of heat? I know for constant volume I should use the equation: asked by Joshua on December 2, 2015 57. ## Pre calculus/ Advanced Functions Samuel is investigating the rate of change of the function f(x) = cos x on the interval xE[0, 2pi]. He notices that the graph of f(x) passes through the x-axis at pi/2. He also determines the instantaneous rate of change at x = 0, pi and 2pi by inspection. asked by Anonymous on June 9, 2015 58. ## statistics A pop-music record firm wants the distribution of lengths of cuts on its record to have an average of 129 seconds and a standard deviation of 10 seconds so that disc jockeys will have plenty of time for commercials within each 5-minute period. The asked by Samantha on May 17, 2014 59. ## calculus a small business owner buys a truck for$20,000 to transport supplies for her business. She anticipates that she will use the truck for 5 years and that the truck will be worth $10,000 in 5 years. She plans to claim a depreciation tax credit using the asked by Greg on August 2, 2014 60. ## Math (4.44e-2 - x) (8.06e-2 - x) / (0.331 + 2x)^2 = 1.80e-2 I need to rearrange this equation so that I can get a,b, and c, for the quadratic equation but I am not sure how to do this. Thank you for the help. Math(Please answer, thank you) - bobpursley, Sunday, asked by Hannah on March 25, 2012 61. ## math algebra 1 just need a little help Task 2 John, Rick, and Molli paint a room together. a. Pick a reasonable amount of time in which the three friends can paint the room together. Also pick a reasonable amount of time in which John can paint the room alone and a asked by Soji on May 4, 2018 62. ## Chemistry I'm not sure how to find a linear equation for this problem. One common flow measurement device is the orifice meter, which consists of a disk with a machined hole. It is placed as an obstruction to flow in a pipe, causing pressure drop to occur as the asked by Angel on December 14, 2011 63. ## chemistry - decomposition of water(help) Hydrogen is a very appealing fuel, in part because burning it produces only non-polluting water. One of the challenges that researchers face in making hydrogen fuel a reality is how to produce hydrogen economically. Researchers are investigating methods of asked by Farah on March 3, 2011 64. ## chemistry - decomposition of water(help) Hydrogen is a very appealing fuel, in part because burning it produces only non-polluting water. One of the challenges that researchers face in making hydrogen fuel a reality is how to produce hydrogen economically. Researchers are investigating methods of asked by Farah on March 3, 2011 65. ## Sixth Grade Math Last year, Mark was 46 inches tall. This year, Mark's height is 3 inches less than Pter's height. Peter is 51 inches tall. How tall is Mark? Write an equation to represent the situation. Then solve the equation. Answer: 51-3=I I=48 inches tall I=number of asked by Javonte on January 14, 2015 66. ## calculus The differential equation below models the temperature of a 87°C cup of coffee in a 17°C room, where it is known that the coffee cools at a rate of 1°C per minute when its temperature is 67°C. Solve the differential equation to find an expression for asked by alex on April 27, 2017 67. ## Physics A 24.00 kg block at rest on a horizontal frictionless air track is connected to the wall via a spring. The equilibrium position of the mass is defined to be at x=0. Somebody pushes the mass to the position x=0.3500 m, then lets it go. The mass undergoes asked by Liz on November 8, 2014 68. ## Math I am still confused! Equation: C1V1=C2V2 Given: C1= 15 mM V1=? C2= 0.25 mM V2= 1mL (Do I just plug 1mL into the equation or do I have to convert to liter? Does mM mean mmol/1L?) I got ~17 microliter. Note: I must convert my answer to microliter. Math - asked by Vivian on January 15, 2017 69. ## physics 1. The acceleration due to gravity calculated this way works well for objects near the Earth’s surface. How would you have to change the above equation if the object was 100,000 meters above the ground? (Note: this question refers to Newton’s equation asked by Anika on January 24, 2014 70. ## physics 1. The acceleration due to gravity calculated this way works well for objects near the Earth’s surface. How would you have to change the above equation if the object was 100,000 meters above the ground? (Note: this question refers to Newton’s equation asked by Anonymous on August 21, 2011 71. ## Physics In a location in outer space far from all other objects, a nucleus whose mass is 3.57232e-25 kg and which is initially at rest undergoes spontaneous "alpha" decay. The original nucleus disappears, and two new particles appear: a He-4 nucleus of mass asked by bryce tanaka on October 7, 2011 72. ## Algebra 2 a computer manufacturer needs to change the dimensions of its foam packaging for a new model of computer. the width of the original piece is three times the height, and he length is equal to the height squared. The volume of the new piece can be asked by Jane on January 24, 2010 73. ## math If cos(3 x)6Ó14 x e^2 y=0, find [ dy/dx] using implicit differentiation. In this problem, you should differentiate both sides of this equation with respect to x. First, using implicit differentiation, differentiate the left side of the equation with asked by Zhao on September 30, 2012 74. ## math Translate to an equation: p$25 potted plants and s $20 shrubs total$300 Graph the equation and use the graph to determine three different combinations of potted plants and shrubs that total $300. asked by mary on July 17, 2011 75. ## math math Translate to an equation: p$25 potted plants and s $20 shrubs total$300 Graph the equation and use the graph to determine three different combinations of potted plants and shrubs that total $300 asked by mary on July 17, 2011 76. ## math Translate to an equation p$25 potted plants and s $20 shrubs total$300,graph the equation and use the graph to determine three different combination of potted plants and shrubs that total $300? asked by Diane on July 30, 2011 77. ## Mathematics. A college football coach wants to know if there is a correlation between his players’ leg strength and the time it takes for them to sprint 40 yards. He sets up the following test and records the data: Every day for a week, he counts how many times each asked by Emma on December 10, 2018 78. ## Essay help :) Here is my essay: All About The Greek Wars War is a devastating human activity, one that hurts populations, destroys property, and destroys political and social structures for places where humans live. The history of mankind has been a history of warfare asked by Allyson on November 28, 2010 79. ## PreCalculus Problem: Identify the conic from the equation 13x^2-6(sq.rt.6)xy+7y^2-16=0 I have to choose from the following four answers: hyperbola (angle of rotation 45) hyperbla (angle of rotation 60) ellipse (angle of rotation 90) ellipse (angle of rotation 30) I asked by Joanie on March 30, 2009 80. ## Math We all need help on this. The population of a town is modelled by P=-0.1x^2+1.2x+4.4 where x is the number of years since the year 2000, and y is the population in thousands. a) In the year 2005, what is the population? I used the equation, put x=5 and asked by Sarah/Juliet/ Rameen on October 9, 2017 81. ## Math The population of a town is modelled by P=-0.1x^2+1.2x+4.4 where x is the number of years since the year 2000, and y is the population in thousands. a) In the year 2005, what is the population? I used the equation, put x=5 and I got 7900 as the asked by Sarah on October 9, 2017 82. ## English The passage below contains a total of ten pronouns. How many of the pronouns in the passage below are in the nominative case? "Teach me, O Lord the way of thy statutes; and I shall keep it unto the end. Give me understanding and I shall keep thy law; yea, asked by Anonymous on May 5, 2015 83. ## College algebra One health club charges a monthly fee of$100 and an extra $5 for every visit. Another health club charges$103 per month and \$4 for every visit. How many visits in a month would make the cost of each health club equal? Suppose x is the number of visits

asked by Brandi on May 26, 2016
84. ## Chemistry

By using the data in this question, estimate how much oxygen a person requires on average in a life time and how far a motor can go using the same amount of oxygen. the typical daily food requirement of a person can be considered to be 1.2 kg of

asked by Cherie on June 3, 2012
85. ## chemistry

By using the data in this question, estimate how much oxygen a person requires on average in a life time and how far a motor can go using the same amount of oxygen. the typical daily food requirement of a person can be considered to be 1.2 kg of

asked by Anonymous on June 3, 2012

"Abbott: Oh, I'll tell you their names, but you know it seems to me they give these ball players now-a-days very peculiar names. Costello: You mean funny names? Abbott: Strange names, pet names...like Dizzy Dean... Costello: His brother Daffy. Abbott:

asked by kathy on April 15, 2012
87. ## Algebra

I have an assignment due tonight and I believe I have solved it all correctly until I come to part d of the question. "For what value is this equation undefined?" How do I determine this? The Environment Environmental and wildlife preservation ensures

asked by James on March 8, 2009
88. ## math

asked by starie johnn on December 18, 2014
89. ## Biology

I have to draw a mating diagram to show a cross between two heterozygotes for lactose production. As both adults have the dominant allele L for persistant lactase production would I start the diagram with LL for each parent? Yes, if you mean production.

asked by Hol on April 8, 2007
90. ## Math

Cafeteria Lunch Buffet A cafeteria lunch buffet has the salads shown. 6 chicken salads 10 egg salads 8 tuna salads p pasta salads The cafeteria workers plan to make twice as many fruit salads as tuna salads and pasta salads combined. Part A Using p to

asked by Anonymous on March 23, 2015
91. ## Math

Cafeteria Lunch Buffet A cafeteria lunch buffet has the salads shown. 6 chicken salads 10 egg salads 8 tuna salads p pasta salads The cafeteria workers plan to make twice as many fruit salads as tuna salads and pasta salads combined. Part A Using p to

asked by Anonymous on March 23, 2015
92. ## Algebra

Taking a road trip with your family, you get onto the intersate at mile marker 150 driving east (where mile marker numbers increase) at 50 miles per hour. Write and equation relating the total miles, m, from your state line (which is mile maker 0) to the

asked by Hayden on November 15, 2018
93. ## Calculus

I was wondering if you would be able to check if my answers are correct: 1. An oil tank is being drained for cleaning. After t minutes there are v litres of oil left in the tank, where v(t)=40(20-t)^2, 00 (5/3+h)-(5/3)/h and my answer was 1/9. b) Determine

asked by Sarah on April 10, 2014
94. ## maths

a) find the equation of AB, the perpindicular bisector of the line joining the points P(-3,1) and Q(1,9) (line AB intersects the point at midway of PQ) b) C is the centre of a circle passing through P and Q. given that QC is parralel to the yaxis,

asked by maths on January 17, 2010
95. ## MA

a) find the equation of AB, the perpindicular bisector of the line joining the points P(-3,1) and Q(1,9) (line AB intersects the point at midway of PQ) b) C is the centre of a circle passing through P and Q. given that QC is parralel to the yaxis,

asked by maths on January 18, 2010
96. ## math

The sunshine bakery sells pies at a fixed price o p dollars per pie. The total number of pies demanded daily, D, is related to the price, p, in dollars by the equation: D = -10p + 200 On the other hand, the daily supply of pies, S, is related to the price,

asked by diana on February 5, 2013
97. ## CHEMISTRY! HELP

I'm not sure how to do or show the work for these two questions. A) & B.)!! please anyone help: A.) Suppose a chemical reaction starts with 5.00 g of copper (i) nitrate and 2.00 g of magnesium chloride. Balanced Equation: 2 CuNo3 + MgCl2 ---> 2 CuCl +

98. ## rate of change

Joe is investigating the rate of change of the function y=cos x on the interval xE[0,2π]. He notices that the graph of y=cos x passes through the x-axis at 45°. He also determines the instantaneous rate of change at x = 0, π, and 2π by inspection.

asked by Kjd on May 18, 2012
99. ## instantaneous rate of change problem

Joe is investigating the rate of change of the function y=cos x on the interval xE[0,2π]. He notices that the graph of y=cos x passes through the x-axis at 45°. He also determines the instantaneous rate of change at x = 0, π, and 2π by inspection.

asked by Rei on May 16, 2012
100. ## function rate of change

Joe is investigating the rate of change of the function y=cos x on the interval xE[0,2π]. He notices that the graph of y=cos x passes through the x-axis at 45°. He also determines the instantaneous rate of change at x = 0, π, and 2π by inspection.

asked by Kjd on May 17, 2012