# Determine the length and breadth of a rectangle if the length is 3cm less than twice the breadth, and the perimeter is 18

40,002 questions, page 373
1. ## science

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

asked by jose on February 21, 2014
2. ## science

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

asked by Shauna on February 15, 2012
3. ## science

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

asked by becca on February 6, 2013
4. ## scientist

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

asked by jukio on May 26, 2010
5. ## science

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

asked by keith on February 12, 2011
6. ## scientist

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

asked by Anonymous on November 28, 2011
7. ## Statistics

In a certain country the heights of adult men are normally distributed with a mean of 69.4 inches and a standard deviation of 2.4 inches. The​ country's military requires that men have heights between 66 inches and 76 inches. Determine what percentage of

asked by Brendora on February 20, 2019

1. A granite rock is thought to be about 2 billion years old. why is it not possible to determine the age of the Rock using carbon-14 dating? 2. A hair sample has 80% of its original carbon-14 present. what is the age of the sample? 3. A bone fragment has

asked by Anonymous on April 17, 2014
9. ## Finance

A thirty-year U.S. Treasury bond has a 4.0 percent interest rate. In contrast, a ten-year Treasury bond has an interest rate of 3.7 percent. If inflation is expected to average 1.5 percentage points over both the next ten years and thirty years, determine

asked by Anonymous on January 30, 2013
10. ## stats

Suppose a shipment of 500 machine parts contains 62 defective and 438 non-defective machine parts. From the shipment you take a random sample of 25. You are interested in the number of defective machine parts out of 25 trials and corresponding

asked by laura on October 21, 2012
11. ## Statistics

Data Information: Wage Income Statistics: Men VS Women Wage gap, by description, is the difference in salary among two groups of people. The description is associated with the practice of paying one gender more than the other. For many years there has been

asked by Trey on April 23, 2011
12. ## Physics 2

A particle moves along a line where the potential energy of its system depends on its position r as graphed in Figure P8.46. In the limit as r increases without bound, U(r) approaches +1 J. (a) Identify each equilibrium position for this particle. Indicate

asked by Anonymous on October 20, 2011
13. ## Probability

Can someone please help me? certain medical diagnostic test is used to determine if people have pinkyitis and it is known that 1 in 1300 Americans has the disease. The test correctly diagnoses the presence of pinkyitis 97% of the time and it correctly

asked by Kelsey on December 2, 2012
14. ## Probability

Can someone please help me? certain medical diagnostic test is used to determine if people have pinkyitis and it is known that 1 in 1300 Americans has the disease. The test correctly diagnoses the presence of pinkyitis 97% of the time and it correctly

asked by James on December 1, 2012
15. ## Math

Can someone please help me? certain medical diagnostic test is used to determine if people have pinkyitis and it is known that 1 in 1300 Americans has the disease. The test correctly diagnoses the presence of pinkyitis 97% of the time and it correctly

asked by James on December 1, 2012
16. ## chemistry

Melting point experiment: how do i know the calibration curve? we did an experiment where: week one we did a graph with the melting points of different compounds. week 2 we used the graph to correct the melting point of unknown # 1 and then unknown # 2 we

asked by jessica on January 18, 2011
17. ## MATH

Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor

asked by VERONICA on November 2, 2009
18. ## Math

Here men were invited to lunch one day. The host places them in a line on three chairs. The men are positioned in such as way that Man #3 can see both Man #1 and Man #2 , Man #2 can see only Man # 1 , and Man #1 can see none of the other men. The host then

asked by Susy on December 3, 2014
19. ## physics

A 40 gram bullet is fired horizontally from a gun with a momentum of 2.8 (kg*m/s) and embeds itself into a 300 gram block of wood initially at rest on a wooden horizontal surface. After this collision the wood block slides 15 meters before falling off a

asked by Cass on January 16, 2013
20. ## Physics

A 40 gram bullet is fired horizontally from a gun with a momentum of 2.8 (kg*m/s) and embeds itself into a 300 gram block of wood initially at rest on a wooden horizontal surface. After this collision the wood block slides 15 meters before falling off a

asked by Cass on January 16, 2013

1) Solve the equation: 15(7x-6) = 3x-5 My answer is (-85/108) 2) Mary and her brother collect coins. Mary has 4 times the number of coins that her brother has. Together they have 175 coins. How many does Mary have? My answer is 140 3) Perform the indicated

asked by Hannah on September 5, 2010
22. ## Calculus

The growth rate of Escherichia coli, a common bacterium found in the human intestine, is proportional to its size. Under ideal laboratory conditions, when this bacterium is grown in a nutrient broth medium, the number of cells in a culture doubles

asked by Anonymous on July 12, 2013
23. ## Statititics

Airline overbooking is a common practice. Many people make reservations on several flights due to uncertain plans and then cancel at the last minute or simply fail to show up. Jet Green airlines’ planes hold 100 passengers. Past records indicate that 20%

asked by bobb on April 19, 2016
24. ## Statistics

Airline overbooking is a common practice. Many people make reservations on several flights due to uncertain plans and then cancel at the last minute or simply fail to show up. Jet Green airlines’ planes hold 100 passengers. Past records indicate that 20%

asked by Precila on April 16, 2013
25. ## statistics2

A textbook publisher wants to determine process control charts for the textbook height. The following table shows the first 20 samples of n=4 sample size of the production of the text. Sample - X Bar - Range 1 - 10.01 - .01 2 - 9.97 - .04 3 - 9.98 - .03 4

asked by Johnny on January 30, 2009
26. ## physics

(a) In 2009, Usain Bolt ran the last 100 meters of the 150-meter race in 8.70 seconds. What is Usain Bolt’s speed? (b) The world record for the 100-meter dash is 9.58 seconds (Bolt, 2009). Use the speed from part (a) as his maximum velocity. Assume a

asked by tommy on January 26, 2016
27. ## physics

(a) In 2009, Usain Bolt ran the last 100 meters of the 150-meter race in 8.70 seconds. What is Usain Bolt’s speed? (b) The world record for the 100-meter dash is 9.58 seconds (Bolt, 2009). Use the speed from part (a) as his maximum velocity. Assume a

asked by tom on January 26, 2016
28. ## chemistry ap

Why would [23.8-(.0588)(23.8)] be the proper setup to determine the vapor pressure of a solution at 25 Celsius that has 45g of C6H12O6, glucose (MM=180gxmol^-1), dissolved in 72g of H2O? The vapor pressure of pure water at 25Celsius is 23.8 torr. vp pure

asked by alexa on May 17, 2007

Mail, a beaver at a zoo, is 0.90m long. A stuffed animal version of Amik is sold in the gift shop. If the scale factor used to reduce the real Amik to the stuffed animal Amik is 0.15, how long is the stuffed animal Amik? A.) 13.5cm B.) 6cm C.) 13.5m D.)

asked by Candice on June 28, 2016
30. ## Math(AssignmentDueToday)

Mail, a beaver at a zoo, is 0.90m long. A stuffed animal version of Amik is sold in the gift shop. If the scale factor used to reduce the real Amik to the stuffed animal Amik is 0.15, how long is the stuffed animal Amik? A.) 13.5cm B.) 6cm C.) 13.5m D.)

asked by Candice on June 28, 2016
31. ## physics

A large balloon of mass 237 kg is filled with helium gas until its volume is 318 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3. (b) Calculate the buoyant force acting on the balloon.________N (c) Find the net force on

asked by Amanda on November 7, 2012
32. ## math

Michel wants to buy his mother handmade chocolates for Mothers Day. He has \$15.oo to spend. The price of each chocolate is given below. Fudge \$0.60 NutClusters \$0.75 Truffles \$0.80 a)create and solve an equation for each type of chocolate to determine how

asked by sara on December 18, 2011
33. ## calculus

Based on data from 1999 to 2001, the rate of change in the annual net sales of Pepsi-Cola North America may be modeled by R(t) = −131t − 749.5 million dollars per year and the rate of change in the annual operating profit may be modeled by P(t) = 12t +

asked by GERRY on March 11, 2013
34. ## Chemistry Dr. Bob222

Ok, For Cup C Mass of cup,water,stirrer: 55.15 Mass of sodium bicarbonate: 2.02g mass of citric acid: 0.77g total mass: 57.94g mass of cup,solution, stirrer after reaction: 57.64 difference (CO2): 0.30g Part B: Limiting Reactants Plastic Cup C 7. Determine

asked by Jennie on March 4, 2015
35. ## English

Sorry, but what are some examples of these themes from A Raisin In The Sun. I tried to do some and don't know if they are right. I was also ask to find out what the rhetorical device for the examples of each theme represents. So please help me. 1. Values,

asked by Notafanofschool on March 9, 2015
36. ## math

1. Jane has a checkbook balance of \$68.00. She then writes two checks, one for \$5.00 and one for \$62.50. She also deposits \$75.00. She then uses her calculator to determine her new balance. Which of the following is the correct series of keys she should

asked by ash on October 30, 2013
37. ## Statistics

1) A sample of 49 observations is taken from a normal population. The sample mean is 55 and the sample standard deviation is 10. Determine the 99% confidence interval for the population mean. 2) The Fox TV network is considering replacing one of its

asked by McKenzie on July 11, 2012
38. ## Research and Evaluation

1) A sample of 49 observations is taken from a normal population. The sample mean is 55 and the sample standard deviation is 10. Determine the 99% confidence interval for the population mean. 2) The Fox TV network is considering replacing one of its

asked by David M. on December 26, 2011
39. ## Stats

In the past, the mean running time for a certain type of flashlight battery has been 9.8 hours. The manufacturer has introduced a change in the production method and wants to perform a hypothesis test to determine whether the mean running time has

asked by Amy on November 22, 2014
40. ## Math

A safety deposit box contains three ancient Roman coins: #1 both sides are silver #2 both sides are gold #3 one side is silver, the other gold You are blindfolded, then you pick a coin, then toss it so that it lands on the floor. At this point, the sample

asked by William Marand on March 28, 2019

Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor

asked by AL on December 21, 2009
42. ## Physics**Scientist

Please help me with this!! I really can't find it. 1) This scientist used his device by dropped a spool of wire through a magnetic field. 2)This scientist used a torsional balance to show that the magnetic repulsion between magnetic poles varied by the

asked by Isis on May 30, 2013
43. ## Chemistry

So I have to find the % by mass of an unknown metal that reacted with HCl to create MCl2 (with the M being unknown). Then I need to determine identity of the missing metal. I know that the final mass of the compound MCl2 is 12.47g and that the original

asked by Krys on September 21, 2016
44. ## physics

A block is pressed against a vertical wall by a force , as the drawing shows. This force can either push the block upward at a constant velocity or allow it to slide downward at a constant velocity. The magnitude of the force is different in the two cases,

asked by bill on June 30, 2013
45. ## Calculus

Harold is in an airplane that is flying at a constant height of 4505 feet away from a fixed observation point. Maude, whose eyes are 5 feet from the ground, is standing at this point and watching the plane; the angle between her line of sight (the line

asked by Anonymous11 on March 28, 2017
46. ## Math Homework Help!

I made a lot of typos the first time i wrote it so i rewrote and edited the question Both antibiotics were prescribed in high dosage slow release capsules. The function C(x) = 5log(x+1)+10 models the concentration of levofloxacin in mol/L over a time x, in

asked by Anonymous on July 8, 2018
47. ## Financial Accounting

Brenda starts a merchanding business on December 1 and enters into three invfentory purchases: December 7 10 units @&6 cost December 14 20 units @12 cost December 21 15 units @ 14 cost Brenda sells 15 units for 25.00 each on Dec 15. Eight of the sold units

asked by Autumn on April 2, 2009
48. ## chemestry

Balance th following equation in acid Solutiong and determind if it is spontaneous under standard conditions. NO3^-1 + Sn^+2 ---> NO + Sn^+4 balanced directed to first post. You need to calculate the E value to determine if it is spontaneous or not. Please

asked by bik on May 16, 2007
49. ## Math

The question says using the formula P with a small n below it(Pn) Pn=PMT(1-(1+i)^-n/i) the full parenthesis is divided by the I just to be clear Pn=present amountborrowed n=number of monthly pay periods PMT=monthly payment i=interest rate per month A)

asked by sara on March 10, 2019
50. ## Genetics

1) The F2 progeny from a cross exhibits a modified dihybrid ratio of 9:7 instead of 9:3:3:1. What phenotype ratio would be expected from a testcross of the F1 progeny? 2) In Drosophila, mutants a through g all have a white eye phenotype. The following data

asked by AJ on September 16, 2011
51. ## Biology

I did a lab and have been graded already. One of the questions asked us to pick good scientific questions from a list of choices. One of the choices read, "What soil properties determine the resulting color of a plant's flowers?". Note: I have changed the

asked by dylan on September 5, 2015
52. ## Physics/Science #3

A ball is thrown vertically downward from the top of a 35.9-m tall building. The ball then passes the top of a window that is 10.7 m above the ground 2.00 s after being thrown. What is the speed of the ball as it passes the top of the window? The equation

asked by TechnoBoi11 on January 25, 2007
53. ## Math- Double check

Please double check me Find the median of the following set of numbers. 47, 20, 52, 35, 58, 57 A) 49 1/2 B) 47 C) 48 1/2 D) 52 Answer: c Which of the following numbers are integers? 2/3, 35, 0.093, -650, 42.5 A) 0.093 and 42.5 B) 35 and -650 C) 2/3 D) -650

asked by Kim on March 23, 2008
54. ## math

A retailer planned to buy some computers form a wholesaler for a total of shilling 1,800,000. Before the retailer could buy the computers the price per unit was reduced by shilling 4,000. This reduction in price enabled the retailer to buy five more

asked by John on March 7, 2015
55. ## math

A retailer planned to buy some computers form a wholesaler for a total of Shillings 1,800,000. Before the retailer could buy the computers the price per unit was reduced by shillings 4,000. This reduction in price enabled the retailer to buy five more

asked by OJ on March 1, 2015
56. ## math

A retailer planned to buy some computers form a wholesaler for a total of Shillings 1,800,000. Before the retailer could buy the computers the price per unit was reduced by shillings 4,000. This reduction in price enabled the retailer to buy five more

asked by OJ on March 2, 2015
57. ## math Calc

The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation p = 172 − x^2 where p is measured in dollars and x is measured in units of a thousand.

asked by jane on December 2, 2014
58. ## philosophy

Determine if the following arguments are propositional or categorical. 1. Doctors are exposed to agents that cause ailments. Jane is a doctor. Hence, she is exposed to agents that cause ailments. answer:propositional 2.All carrots are vegetables full of

asked by PATRIS on September 11, 2017
59. ## Statistics

A die that is fair will have each face of the die come up one-sixth of the time in the long run. The population for die throwing contains the results of throwing the die an infinite number of times. For this problem, the parameter of interest is p is the

asked by Kate on March 9, 2010
60. ## statistics 3

Exercise #4 Quality control problem: According to U.S. News & World Report, a laboratory in Atlanta is processing snake venom for use in medical research. Five processing methods are being tested to determine which is least likely to contaminate the

asked by sam on July 26, 2010
61. ## statistics

A manufacturer has a maximum of 240, 360, and 180 kilograms of wood, plastic and steel available. The company produces two products, A and B. Each unit of A requires 1, 3 and 2 kilograms of wood, plastic and steel respectively; each unit of B requires 3, 4

asked by mary on August 8, 2016
62. ## statistics

Below are six data sets with 6 randomly selected scores in each data set. Your task is to determine if the scores were drawn from a population with μ = 5. Before you calculate the one-sample t test for each sample, make a guess as to whether or not you

asked by Anonymous on February 15, 2014
63. ## Chemistry

HI, we conducted a qualitative analysis, to identify the cations in an unknown sollution..trying to determine whether it had Al 3+, Fe (3), and Lead ions..i am having trouble understanding some parts of the procedure. before testing for aluminum and iron,

asked by Joe on February 28, 2010
64. ## probs & stats

A teacher gives 200 students a study guide for a test and the average score was 90 with a standard deviation of 6. She did not give the other 200 students a study guide and their average score was 70 with a standard deviation of 8. Find the critical value

65. ## Statistics

10. A teacher gives 200 students a study guide for a test and the average score was 90 with a standard deviation of 6. She did not give the other 200 students a study guide and their average score was 70 with a standard deviation of 8. Find the critical

asked by Bert on November 11, 2015
66. ## Statistics

10. A teacher gives 200 students a study guide for a test and the average score was 90 with a standard deviation of 6. She did not give the other 200 students a study guide and their average score was 70 with a standard deviation of 8. Find the critical

asked by Bert on November 11, 2015
67. ## As Physics

Use the equations below: P=mv Ek=1/2mv^2 4) A wooden target of mass 2.00kg is suspended from a branch so that it swings freely. The target is hit by an arrow of mass 0.10kg travelling horizontally and the arrow embeds itself in the centre of the target.

asked by cake on November 30, 2017
68. ## Statistics

1. In a study of heart disease in male federal employees, researchers classified 170 volunteer subjects according to their socioeconomic status (SES) and their smoking habits. SES categorized as high and low. Individuals were asked whether they were

asked by MT on June 26, 2014
69. ## math

The large red equilateral triangle has sides of 8x units. The midpoints of the red triangle are joined to form the blue triangle. The midpoints of the blue triangle ate joined to form the green triangle. The process of joining midpoints to form new

asked by Jo on January 11, 2016
70. ## physics

A railway truck on a level, straight track is initially at rest. The truck is given a quick, horizontal push by an engine so that it now rolls along the track. push from engine railway truck v = 4.3 m s–1 The engine is in contact with the truck for a

asked by Anonymous on January 14, 2018
71. ## chemistry

Determine the pH. Are these solutions acidic or basic? a. [H3O+]=1.0*10^-8 a. pH=acidic or basic? b.[OH-]=1.0*10^-9 b. pH=acidic or basic? c.pOH=1.4 c. ph= acidic or basic? d.pOH=7.8 d. pH=acidic or basic?

asked by Amanda on December 5, 2011
72. ## Physics 2

Using the diagram to the left, rank each of the given paths on the basis of the change in electric potential. Rank the largest-magnitude positive change (increase in electric potential) as largest and the largest-magnitude negative change (decrease in

asked by Jenna on February 16, 2015
73. ## sociology

• Review the following scenario: You work for a formal organization in the United States that has an open, flexible organizational structure as described in Figure 5-5 on p. 126 of Society. You have a relative, Micah, who works for a formal organization

asked by Anonymous on December 7, 2009
74. ## physics

A car P is moving with uniform speed of 5m/s towards a carriage of mass 9kg at rest kept on the rails at point B. the height of AC is 120m.cannon balls of 1kg are fired from the car with an initial velocity of 100m/s at an angle 30 degree with the

asked by sreeram on January 16, 2011
75. ## Chemistry

Hello, So I have recently done a lab with cobalt(II) nitrate and NaOCl (bleach) and our objective was to determine if colbalt or the bleach is part of the rate determining step. With the lab we have done trials by diluting the colbalt and leaving the

asked by Sherlique on September 26, 2017
76. ## Algebra

I have a few questions that I am not too sure about, could you please check them. Thanks! 1. Find the union {2,3} U {2,4,8} This is what I got : {2,4,8,3} 2. State the name of the property illustrated: (6+3) +(1+16)=(1+16)+(6+3) I got commutative property

asked by Soly on August 11, 2007

10)The formula b=30a is used in New England to estimate the minimum furnace output, b, in BTU's for a modern house with a square feet of flooring. A) determine the minimum furnace output for a 2100 ft squared modern house. B) solve formula for a Answer:a)

asked by deedee on November 5, 2008
78. ## Chemistry II

If 36.0 mL of 7.0e-4 M HClO4 is added to 19.5 mL of 8.2e-4 M LiOH, what is the pH of the solution? Write the equation. Calculate mols HCLO4. Calculate mols LiOH. Determine how much of which reagent remains after the reaction. pH = -log(H^+) post your work

asked by Jayd on April 25, 2007
79. ## statistics

For each of 10 popular prescription drugs, file XR15042 lists the retail price (in U.S. dollars) for the drug in several different countries, including the United States, Canada, Great Britain, and Australia. Determine and interpret the coefficients of

asked by Babi on February 25, 2010
80. ## math

5. Cesium-137 is a radioactive isotope. The following formula represents the remaining amount of a 300 gram sample of cesium-137 in a storage tank after t years: N(t)=300e−0.02297t A) Determine the remaining amount of cesium-137 in the storage tank after

asked by seb on August 5, 2016
81. ## statistics

Airline overbooking is a common practice. Many people make reservations on several flights due to uncertain plans and then cancel at the last minute or simply fail to show up. Jet Green airlines’ planes hold 100 passengers. Past records indicate that 20%

asked by carlos on April 23, 2015
82. ## Math

Visitor Numbers Total visitors: 2004. 2005. 2006 3,135,727. 3,164,906. 3,281,435 Total visitor days: 2004. 2005. 2006 7,453,465. 7,518,997. 7,784,044 Total visitors have increased by 4.6% and total visitor days by 4.4% in this period. Group tour visitors

asked by Candice on June 23, 2016

Visitor Numbers Total visitors: 2004. 2005. 2006 3,135,727. 3,164,906. 3,281,435 Total visitor days: 2004. 2005. 2006 7,453,465. 7,518,997. 7,784,044 Total visitors have increased by 4.6% and total visitor days by 4.4% in this period. Group tour visitors

asked by Candice on June 22, 2016
84. ## fizik

Two shuffleboard disks of equal mass, one orange and the other yellow are involved in a perfectly elastic glancing collision. The yellow disk is initially at rest and is struck by the orange disk moving initially to the right at 7.00 ms"1. After the

asked by alya on April 11, 2011
85. ## I Really Need Help

Visitor Numbers Total visitors: 2004. 2005. 2006 3,135,727. 3,164,906. 3,281,435 Total visitor days: 2004. 2005. 2006 7,453,465. 7,518,997. 7,784,044 Total visitors have increased by 4.6% and total visitor days by 4.4% in this period. Group tour visitors

asked by Candice on June 23, 2016
86. ## math

Visitor Numbers Total visitors: 2004. 2005. 2006 3,135,727. 3,164,906. 3,281,435 Total visitor days: 2004. 2005. 2006 7,453,465. 7,518,997. 7,784,044 Total visitors have increased by 4.6% and total visitor days by 4.4% in this period. Group tour visitors

asked by Matt on October 17, 2018
87. ## chemistry

I think, by convention, most would consider the solvent as the major component and the others as solutes. Actually, however, it dosesn't matter. I just read that when one liquid is dissolved in another, the minor component is usually considered the solute

asked by DrBob222 on February 28, 2007
88. ## Chemistry

Determine the molarity of a 15.0 % by mass Hydrogen Peroxide solution. The density of Hydrogen Peroxide is 1.054 g/mL. The 15.0% by mass can be broken apart into 15.0 g Hydrogen Peroxide and 100.0 g solution. Use the density of Hydrogen Peroxide solution

asked by Jenna on February 1, 2015
89. ## algebra - Help!

The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for\$21 You can buy a barracuda and a carp for \$32 You can buy a carp and a dogfish for \$32 You can buy a dogfish and an eel for \$37 You

asked by Kate on October 25, 2008
90. ## math

The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for\$21 You can buy a barracuda and a carp for \$32 You can buy a carp and a dogfish for \$32 You can buy a dogfish and an eel for \$37 You

asked by Lily on October 25, 2008
91. ## math - so confused can you help me

The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for\$21 You can buy a barracuda and a carp for \$32 You can buy a carp and a dogfish for \$32 You can buy a dogfish and an eel for \$37 You

asked by Brandon on October 25, 2008
92. ## Math( help please ! )

The profit p(x) of a cosmetics company , in thousands of dollars . is given by p(x) =-5t^2=400x-2550, where x is the amount spent on advertising in thousands of dollars a) determine the maximum profit the company can make b) dtermine the amount spent on

asked by Erin on October 17, 2011
93. ## physics

steam at 100 degree C is passed into a container of negligible heat capacity containing 20 g of ice and 100 g of water at 0 degree C, until the ice is completely melted. Determine the total mass of water in the container. ( specific latent

asked by Anita Iwu on February 11, 2016
94. ## Calculus

In a poll of 400 voters in a certain state, 61% said that they opposed a voter ID bill that might hinder some legitimate voters from voting. The margin of error in the poll was reported as 4 percentage points (with a 95% degree of confidence). Which

asked by Scott on April 9, 2015
95. ## Statics

You suspect that, on the average, professional baseball players are older than professional football players. A random sample of 30 professional baseball players has a mean age of 28.8 years (assume ó = 4). A random sample of 40 professional football

asked by Heather on December 2, 2012
96. ## math

A researcher wanted to answer the following question: What is the difference in students' computer anxiety based on whether or not they own computers? The researcher surveyed 92 undergraduate education students via an online survey. In the survey, the

asked by kathy on June 24, 2012
97. ## pre calc. help!!!!!!

i am building a rectangular swimming pool. the pool is to have a surface area of 1000 ft.^2. it also has a uniform walk way of 3 ft. surrinding it. X is the lengh of one side of the pool, and Y is te lengh of the other side. A.) express the area of the

asked by cheryl on November 16, 2006
98. ## civil engineering

A stone (on the edge of the roof) thrown from the top of a building is given an initial velocity of 20.0 m/s straight upward. The building is 50.0 m high, as shown in Fig. 4. Using tA = 0 as the time the stone leaves the thrower’s hand at position ○A .

asked by hamze on April 1, 2013
99. ## CHEMISTRY TITRATION Q

The titration of 25.00mL of Ba(OH)2 solution with an aqueous solution of 0.500 M HCl reaches an end point when 30.20 mL of the HCl solution is added. Determine the concentration of M of the Ba(OH)2 solution. Soo 25.00mL=0.025L 30.20mL= 0.0302L moles= MxL

asked by LISA on December 15, 2010
100. ## Physics

A cannon is rigidly attached to a carriage,which can move along horizontal rails but is connected to a post by a large spring, initially unstretched, of force constant 60000 N/m. The cannon ﬁres a 305 kg projectile at a velocity of 174 m/s directed

asked by amanda and leah on January 29, 2012