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

142,296 questions, page 942
1. Calculus

assume the rate at which the world's oil is being consumed is r = 27 e^0.06 t. Here, just as in your book, r is in billions of barrels per year, t is in years, and t = 0 is January 1, 1990. (a) Fill in the blanks below to express the definite integral

asked by Jane on December 6, 2010
2. Grammar- Complete Sentences

Although the abscess was incised and drained in the emergency room and cultures were obtained, which grew coag-positive staphylococcus. A This is a run-on that needs a semicolon after time. B This is a run-on that needs to be split into two separate

asked by Theresa on November 5, 2011
3. Science

The following sphere is responsible for forming the solid shell of Earth that holds up life? -Hydrosphere -Lithosphere -Atmosphere -Biosphere** Explain the interaction between the four main components of Earth's physical systems. Be sure to include the

asked by PoPo on March 13, 2017
4. physics

I did a lab experiment where we verify Newtons second law experimentally. A glider moves along a frictionless air track and is attached to a hanging mass. We vary the hanging masses and calculate the force since we have the mass and acceleration. We have

asked by physics lab help on October 11, 2010
5. Math

An airline runs a commuter flight between Portland and Seattle, which are 145 miles apart. If the average air speed could be increased by 40 miles per hour, the travel time would be decreased by 12 minutes. What air speed is required to obtain this

asked by Amy on November 2, 2011
6. chemistry

I keep getting the wrong answer for this one can someone help. The initial concentration for the compounds involved in the reaction displayed were determined to be [NOCl(g)] = 0.1738 mol/L, [NO(g)] = 0.1991 mol/L, [Cl2(g)] = 0.000005938 mol/L. Calculate

asked by andy on April 8, 2010
7. Physics

Bob is pulling a 30kg filing cabinet with a force of 200N , but the filing cabinet refuses to move. The coefficient of static friction between the filing cabinet and the floor is 0.80. What is the magnitude of the friction force on the filing cabinet?

asked by T on May 11, 2014
8. English

In both Hamlet and Oedipus Rex some of the most significant events are mental or psychological; for instance, awakenings, discoveries, or changes in consciousness. Choose either Hamlet or Oedipus Rex, and in a well-developed essay, analyze the uses the

asked by Lisa on April 1, 2017
9. Math 8th grade

"The volume of a box can be found by multiplying the length times width times height of a box (V = lwh). If the volume of a box is 1,300 cubic inches and all its dimensions are equal, what is the side length of the box in inches?" Someone else posted the

asked by Unknown Error on October 15, 2018
10. physics

A pendulum clock was moved from a location where g=9.8152 m/s^2 to another location where g=9.7959 m/s^2. During the move, the length of the clock's pendulum did not change; nevertheless, the clock lost accuracy. Assuming the clock was perfectly accurate

asked by Anonymous on April 20, 2010
11. Chemistry

Gaseous ethane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 16.2 g of ethane is mixed with 19. g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. Round

asked by Katie on April 10, 2015
12. Language Arts HEL;P!

Which of the following best describes the effect of beginning "Always to Remember" with a description of the memorial competition? A. This technique keeps the essay from being autobiography or fiction. B. This tatic gives background for the importance of

asked by Anonymous on October 23, 2014
13. Child Care

Two-year-old Gerld is starting at your day care center tomorrow. His mother is going back to work for the first time since Gerald was born. You have four groups at the center. In which group should you place Gerald? A. A group of six toddlers. B. A grouop

asked by Ann on February 13, 2009
14. Math

After doing an experiment you learn that 70 percent of the carrot seeds from Company A germinated within 10 days, while only 50 percent of the seeds from company B germinated within 10 days. What was the comparative germination ratio? looks like a simple

asked by Tara on April 24, 2007
15. physics

use the phythagorean theroem to answer this question. becca paddles a boat from the south bank of a stream to the north bank. She paddles at a rate of 8 mph. The stream is flowing west at a rate of 6 mph. what is beccá actual velocity. I need to

asked by spencer on January 19, 2010
16. Chemistry

Instead of a strip of pure Mg ribbon, you are accidentally given a strip of an aluminum-magnesium alloy. You calculate the mass of the strip as above. Would the mass of the strip be higher or lower than expected? Write the appropriate chemical equations

asked by Kate on April 8, 2013
17. Math

Cynthia is hanging a picture on the wall. The picture is 30 inches wide and 34 inches high and will be hung on a wall that is 10 feet high. The center of the picture must be 6 1/3 feet from the floor. Determine the distance from the ceiling to the top of

asked by Jason on March 27, 2016
18. physics

Bob is pulling a 30kg filing cabinet with a force of 200N , but the filing cabinet refuses to move. The coefficient of static friction between the filing cabinet and the floor is 0.80.What is the magnitude of the friction force on the filing cabinet?

asked by salar on March 20, 2014
19. Math

At a community picnic, the following liquids were combined to make a punch: 3 gallons of water 1.5 gallons of cranberry juice 1 pint of strawberry juice 1 cup of grape juice 3 quarts of pomegranate juice How much punch was made in all for the community

asked by Anonymous on June 16, 2015
20. The Curriculum

Which statement does not define self-esteem? A. A person's perception of how competent he or she is in learning new information B. A person's perception of how competent he or she is in accomplishing physical challenges C. A person's perception of how

asked by Daniela on August 23, 2014
21. Language Arts

How are the speakers in the two poems different? A. One is celebrating a decision he made, while the other regrets a choice. B. One is contemplating a past choice, while the other is mourning something out of his control. C. One regrets a past decision,

asked by Calie on February 11, 2015
22. urgent help statistic

A random sample of 20 people who resided within the u.s resulted in average viewing time of 4.76 hrs per day with a sample standard deviation of 2.297 hrs. obtain and interpret a 95% confidence interval, for the mean viewing time of all americans

asked by Anonymous on December 15, 2014
23. Math

I need help with this question: Estimate the product by rounding to the nearest one 6.38 times 18.716 I said on my assignment 120 and my teacher marked it wrong. She said it's 114, and I donot see how it's 114. Any input, would certainly be welcome. Thank

asked by Gee on March 4, 2007
24. Geometry -need help

A cylinder flower pot with open top needs to be painted. The height is 9 inches and radius is 3 inches. If it takes Troy 5 minutes to paint 40 square inches, how long to the minute will it take him to paint the outside of the flower pot. I came up with

asked by JOY on May 24, 2011
25. Math

Write the ratio as a fraction in lowest terms of the number of residents at Adams to the number of students at Dodge. Adams=115 residents Dodge=295 residents Evans=140 residents Fisher=245 residents Brown=135 residents Carver=200 residents I have no idea

asked by Glen on August 30, 2013
26. research writing

Create a full-sentence outline that includes effective arguments and counterguments to support your thesis. (NOTE: Outline only the body of your paper.) Rememeber to avoid bias and fallacies and to include rhetorical devices that strengthen your writing.

asked by anonymoys on October 29, 2008
27. Chemistry

Could some please tell me if I did these problems correctly? (I know that I did not Cancel common aqueous ions yet) Question: Write the net ionic equation for the following 1)Mixing solution of barium acetate and sodium phosphate 2)Mixing solution of

asked by Dan on November 7, 2009
28. Social studies

Which of the following is an example of an analogy? A) The results of this survey showed that people like our product more than our competitor's product. B) There is a national trend toward healthier eating; as a result we should see an increase in the

asked by Fred on October 6, 2009
29. American History

The goal of President Nixon’s foreign policy was to A.uphold democratic values and contain communism through the use of military force B.prevent South Vietnam from falling to communism, whatever the cost in American lives. C.achieve a stable balance of

asked by Angie on April 9, 2016
30. L.A

Read the opening line of dialogue from Anne Frank and Me: "Right now we are in Westerbork, in Holland. Earlier today they opened the door and shoved more people into our car... I think it is the 3rd of September, 1944..." How does this line contribute to

asked by Anonymous on March 3, 2015
31. Social Studies

Does anyone what this answer: Southeast Asia at Work Test 1. Place the countries in the most fully democratic (top) to the least (bottom) democratic order. 2. Top Indonesia and the Philippines 3. Thailand and Myanmar 4. Vietname and laos Economic Activity

asked by Mary on May 13, 2019
32. sfsu

This exercise is based on the following table, which lists interest rates on long-term investments (based on 10-year government bonds) in several countries in 2008. HINT [See Example 4.] (Round your answer to the nearest integer.) If you invest \$10,200 in

asked by merli on February 24, 2013
33. Chemistry (really need help)

so I have posted this before but this is with some wrok.. Heres the question... When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 12.0 fluid ounce drink from 75°F to 35°F, if the heat capacity of the drink is 4.18 J/g·°C?

asked by Sarah on September 16, 2010
34. english desperate

please help: are these compound or simple sentence the boat nosed up to the dock; our trip was finally over. several people listened, but nobody volunteered. shelia calls it a dragon fly; I call it a darning needle. THESE all seem like compund sentences -

asked by liz on October 30, 2006
35. chemistry

The formula for epsom salt is MgSO4 . 7H20 If 1.250 g of the compound is dissolved in water, calculate the number of milliliters of .200 M Ba(NO3)2 that would be required to precipitate all of the sulfate ions as barium sulfate. I got that right with an

asked by kelly on October 10, 2010
36. math

Suppose that Bill orders 8 pizzas, each with pepperoni (and possibly other toppings as well), and Howard orders 6 pizzas, each with sausage (and possibly other toppings as well). Without knowing precisely how many pizzas were ordered in total, what is the

asked by M.A. on September 23, 2010
37. chemistry

How many moles are in 13grams of C6H6. should this question be broken down into its imperical formula (CH)6 and calculate the number of moles of CH and multiply by 6 or calculate the gram molecular wt of C6H6 and divide it into 13 grams? I took 13 grams

asked by richard on January 23, 2010
38. french

answer this question using a form of 'venir de': Vous avez lu une histoire à Marie-Claire? How's this: Oui, nous venons d'avoir lire une histoire à Marie-Claire. ..I'm not sure about the "avoir lire" part. should one of those verbs be conjugated??

asked by Anonymous on March 10, 2009
39. math word problem

Suppose that Bill orders 8 pizzas, each with pepperoni (and possibly other toppings as well), and Howard orders 6 pizzas, each with sausage (and possibly other toppings as well). Without knowing precisely how many pizzas were ordered in total, what is the

asked by M.A. on September 23, 2010
40. math

Suppose that Bill orders 8 pizzas, each with pepperoni (and possibly other toppings as well), and Howard orders 6 pizzas, each with sausage (and possibly other toppings as well). Without knowing precisely how many pizzas were ordered in total, what is the

asked by M.A. on September 23, 2010
41. math

1. What is the greatest common factor of: 2x2x5x7x7 2x5x5x7x7 a. 2x5 b. 2x5x7 c. 2x5x7x7 d. 2x2x5x5x7x7 e. 2x2x2x5x5x5x7x7x7x7 2. What is the least common multiple of: 3x3x5x5x5x7 2x3x5x5x7x7 a. 2 b. 5x5x7 c. 3x3x5x5x5x7 d. 2x3x3x5x5x5x7x7 e.

asked by Tomas on October 6, 2013
42. chemistry

I have to do a lab on equilibrium, where you have to transfer water with two different sized straws, and answer questions based on that the questions are about the significance of where there is a flat line on the graph, and the significance of the point

asked by alyssa on March 19, 2015
43. Chemistryy.

Some mole problems! Which quantity of neon may be represented by the symbol Ne? A) 1 gram B) 4 liters C) 6 x 1023 atoms D) 2 moles A sample of nitrogen containing 1.5 x 1023 molecules has the same number of molecules as a sample containing A) 1.0 mole of

asked by Jenny on June 6, 2011
44. College Algebra

1.Answer the following for the given quadratic function. f(x) = -2x^2 - 8x - 13 (a) does the graph of f open up or down? (b) what is the vertex (h,k) of f? (c) what is the axis of symmetry? (d) what are the intercepts? (e) how is the graph suppose to look

asked by Kameesha on August 4, 2012
45. Chemistry

How much heat does your body lose when 3.05 g of sweat evaporates from your skin at 25 ∘C? (Assume that the sweat is only water.) The heat of vaporization of water at 25 ∘C is 44.0 kJ/mole. Answer: 3.05g H2O*1mol/18.015gH2O= 0.169mol H2O

asked by Baonhia Vang on March 26, 2017
46. Chemistry

I have to do a lab on equilibrium, where you have to transfer water with two different sized straws, and answer questions based on that the questions are about the significance of where there is a flat line on the graph, and the significance of the point

asked by Al on March 19, 2015
47. Physics

A small cork with an excess charge of +6.0 μC (1 μC = 10^-6 C) is placed 0.12 m from another cork, which carries a charge of -4.3 μC. a. What is the magnitude of the electric force between the corks? b. Is this force attractive or repulsive? c. How many

asked by Luke Skywalker on March 7, 2014
48. Physics

A bullet of mass is fired horizontally with speed at a wooden block of mass resting on a frictionless table. The bullet hits the block and becomes completely embedded within it. After the bullet has come to rest within the block, the block, with the bullet

asked by Eden on October 18, 2010
49. 6TH GRADE MATH

A sperms whale can stay under water 7 times as long as X minutes more than a platypus can. Write an equation that states the relationship of the minutes these two mammals can stay under water. Sperm whale - 112 Platypus - 10 my answer is 7*X+10 X=112 Did I

asked by jamar on January 8, 2015
50. Algebra 1

Genie has 100 feet of fence with which to make a rectangular cage for her rabbit. If she uses the wall of her house as one side, the area of the cage in square feet is given by the polynomial -2w^2 + 100w, where w is the width of the cage in feet. What is

asked by Anonymous on February 21, 2014
51. math/phys

someone tell me why this answer is wrong...u are given final wavelength of 0.0022 nm, u want to solve for the intial wavelength using the compton scattering equation which is final wl -intial wl= 0.002426(1-cos(theta)) theta is 45 degrees. so initial w.l.

asked by paul on December 9, 2015
52. math

The track at Oak Middle School is 14 of a mile for each lap. Jacob walked around the track and completed 7 laps in 30 minutes. What is the unit rate of Jacob's speed? Answer Choices 1.75 miles per hour 3.5 miles per hour 4.28 miles per hour 14 miles per

asked by Cevanna on November 19, 2018
53. Physics

The efficiency of a pulley system is 47 percent. The pulleys are used to raise a mass of 47 kg to a height of 7.0 m. The acceleration of gravity is 9.81 m/s 2 . What force is exerted on the rope of the pulley system if the rope is pulled for 28 m in order

asked by Madi on November 18, 2015
54. Computer Viruses

A virus that infects an application program is known as a _________. a) boot sector virus b) macro virus c) Trojan horse d) file virus From what I understand, both macro viruses and file viruses affect application programs such as Word and Excel. So which

asked by Jean on March 7, 2010
55. math help please !!!

i really neeed help, i have no idea how to answer this question ! i tried everything i know! A stone is thrown off a cliff. it reaches a maximum height of 30m after 2 seconds, then falls into the water below. it hits the water after 5 seconds a) how high

asked by melissa on May 17, 2011
56. English

A clause from sentence (i) has been turned into a(n) ___ in sentence (ii). (i)Since she knew what the lecture was about, she didn't attend the meeting. (ii) Knowing what the lecture was about, she didn't attend the meeting. 1 - compund predicate 2 -

asked by Sarah on February 13, 2008
57. Chemistry

Calculate the Ecell for this reaction 3HClO2(aq) +2Cr3+(aq) + 4H2O(l) -> 3HClO(aq) + (Cr2O7)2–(aq) + 8H+(aq) I thought Cr + e -> Cr2O7 is the cathode and 3HClO2 -> 3HClO + e- is the anode. Using Ecell = Cathode - Anode I get -0.31, but the answer I

asked by RZeal on June 10, 2012
58. MATH

Using the proportion rule to solve this problem-is this correct? Enrollment in the Ski/Snowboard Club increased by 30% this year. There are now 182 students in the club. How many students were there last year? 182x100=18200/30=607 607-182=425 answer 425

asked by Amie on March 31, 2016
59. math

Englewood averaged 17 problems right on the math decathlon. Avalon park elementary scored an average of 14 problems right. Which equation shows the difference, (d), between the average points scored by gthe englewood and avalon park? a. d=17 x 14 b.

asked by vera on February 11, 2013
60. math

a new car depreciated by 20% in its first year. each succeeding year it depreciated by 10% assume the car is still in good working condition after 10 years. if the car costs \$25,000 calculate the value of the car after 10 years. express your answer to the

asked by rio on December 23, 2010
61. CHEMISTRY

*Consider a 0.15 m strontium chloride aqueous solution. a. Determine the molality (in m) of all solutes in the solution. Assume that strontium chloride completely ionizes when dissolved in water. All solutes means all cations and anions. The molality that

asked by JENNIFER on March 3, 2017
62. how about his one

-7+ 5x = 10x-2? im not sure I know its -1, but im not sure how. -7 + 5x = 10x - 2 Since we need to get the unknowns on one side and the knowns on the other side and change their signs: 5x - 10x = 7 - 2 -5x = 5 x = -1 wait how did you what number did you

asked by chrissy on August 1, 2007
63. multiple choice / define

A transfer price is the: A. price for which a company sells its products to customers. B. price at which goods are moved from one department of a company to another department of the company. C. basis on which indirect expenses are allocated. D. price at

asked by dakota on August 15, 2013
64. Geometry

So the directions say: Provide a counterexample to show that each statement is false. You can use words or make a diagram. These are the two questions that I'm stuck on: 1. If a line lies in a vertical plane, then the line is vertical 2. If x^2=49, then

asked by rose.marie on September 5, 2018
65. Writing

Writeacher,when is the best time for me to post this so that you are available? Prompt: New laws are being proposed that would require schools to accommodate students who wish to transfer to a different school if the school falls below a certain level on

asked by Anonymous on August 4, 2013
66. statistics

1. When designing motorcycle helmets, the breadth of a person's head must be considered. Men have head breadths that are normally distributed with a mean of 6.0 inches and a standard deviation of 1.0 inches. If one male is randomly selected, what is the

asked by maczindahouse on February 27, 2019
67. Science

Hey! so, I was just wondering if someone could check a few of my answers. 1. during what phase of the moon can a lunar eclipse occur? A. New moon B. First Quarter C. Waxing gibbous D. Full moon* 2. Which of the following is the smallest possible amount of

asked by lol on May 5, 2017
68. Government.

The main reason why the Constitution dealt specifically with the crime of treason was that: A. The framers wanted to prevent all treason in order to protect the democracy. B. Treason was not considered a serious crime before the Constitution was written.

asked by Jonathan on April 21, 2009
69. Social Studies

Can you please help me out with a few problems? 1. Which of the following most caused the Civil War? A.) different views on communism and democracy B.) different views on the use of the atomic bomb C.) the division of Germany, Austria, and Berlin into

asked by SchoolHelp on May 6, 2016
70. Chem

Any help is appreciated! Gold has a density of 19.3 g/cm3. Do you think you could carry 2.40 cubic ft (rhetorical--don't answer)? How many pounds does 2.40 cubic feet of gold weigh? [453.6 g = 1 lb, 2.54 cm = 1 in, and 1 ft = 12 in.] 7.42e-2 A scientific

asked by Anonymous on September 12, 2012
71. Chemistry

Sorry for posting this again, I don't know if the question was skipped or not, but I was just wondering if I could get some help on this... thanks. There are 3 known isotopes of Hydrogen and 3 stable isotopes of oxygen. How many types of water molecules

asked by Jessica on April 21, 2007
72. English

The Novel : The Great Gatsby "The beauty and splendor of Gatsby's parties masked the innate corruption within the heart of the Roaring Twenties. Jazz-Age society was a bankrupt world, devoid of morality, and plagued by a crisis of character." The

asked by Hannah on August 30, 2009
73. Help!

How do clownfish Breed? Does it care for the young? eg male or female taking care, pouch.... Here is Wikipedia's answer: Clownfish lay eggs on any flat surface close to or under protection of their host anemones. These eggs are cared for by the male and

asked by Kirra on August 28, 2005
74. Chemistry

Calculate ∆G (in kJ) at 541 K for the following reaction under the given conditions. Use data obtained from the table below and assume that ∆Hfo and So do not vary with temperature. Report your answer to three significant figures in scientific notation

asked by Matt on February 17, 2008
75. Art Help Please!!!!!

The picture is of a woman's head sculpted out of clay,her hair is red also her eyebrows,freckles, and lips. Her eye's are blue with black outlining her nose is sculpted out and lips open.What is one characteristic of this student's work? A.creation of 3-D

asked by Callie on November 25, 2014
76. Math

What am I doing wrong? I have followed formula and still my answer is wrong Brenda bought a swimming pooll obtaining an 8 % add on interest installment loan from the bank. The pool cost 2,400, and the bank requires 15% down and qual monthy payments for two

asked by Debbie on November 11, 2008
77. LA one question!!!!!

The word scan originally referred to the act of identifying meter in poetry. What meaning of the word is used in this excerpt from "What Makes Teen Tick?" "The brain of each brother is scanned three times." looked over quickly examined through a

asked by TTR+S<3 on June 4, 2014
78. English

What will the club do at the school festival next month? 1. It will perform at the school festival. 2. They will perform at the school festival. [Which answer is correct? Do we have to use 'it' or 'they' in this case?]

asked by rfvv on June 7, 2018
79. math

If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take both of them to paint the house together? > I know the answer, but I do not know what is the name of the methods. EX: 1/n= 1/4 + 1/6 1/n =5/12 n=

asked by Mohammed on October 4, 2015
80. math

If the number of square inches in the area of a circle is equal to the number of inches in its circumference,the diameter of the circle is a. 4 inches b. 2 inches c. 1 inches d. pi inches e. 2 pi inches please answer and explain

asked by thomas on August 8, 2014
81. math

If the number of square inches in the area of a circle is equal to the number of inches in its circumference,the diameter of the circle is a. 4 inches b. 2 inches c. 1 inches d. pi inches e. 2 pi inches please answer and explain

asked by thomas on August 9, 2014
82. Chemistry

Given the following information determine the reaction Gibbs energy for the formation of silicon dioxide at 298 K Si(s)+O2(g) →SiO2(s) ΔfH°(Si(s))=0 kJ mol-1, S°(Si(s))=18.8 J mol-1 K-1 ΔfH°(O2(g))=0 kJ mol-1, S°(O2(g))=205.0 J mol-1 K-1

asked by Aine on March 6, 2018
83. Help with Art!

Still Life with Milk Jug and Fruit by Paul Cezanne How did he artist create balance in this image? A. by spreading the oranges out from the top left corner to the bottom right. B. by spreading the oranges out in a circular pattern around the plate. C. by

asked by Gwen on September 22, 2014
84. Statistics

A survey among freshman at a certain university revealed that the number of hours spent studying the week before final exams was normally distributed with mean 25 and standard deviation 15. A sample of 36 students was selected. What is the probability that

asked by Tommy on October 6, 2015
85. physics help

The distance between the midponts of two metal balls.P and Q,respectively of masses 55 kg and 70 kg is 80 cm calculate the gravitational force that P exerts on Q answer F=Gm1m2/r^2 F=(6,67x10^-11)(55kg)(70kg)/(80cm) F=4.01x10^-11..... Is it correct is

asked by angel on October 11, 2015
86. Chemistry

Asprin(acteyl salicylic acid) can be synthesized by reacting acetic anhydride with salicylic acid. Assume the reaction was run and 1.75 grams of a solid product was obtained. Recrystalization of the 1.75 g mixture yielded 1.50 g of asprin. a. What was the

asked by teetee on March 8, 2012
87. Calculus

"Leave the answer as a definite integral, but indicate how it could by evaluated by using the fundamental theorem of calculus." I solved the problem to a definite integral. Proceeding via the fundamental theorem, would involve finding the indefinite

asked by Parker on July 3, 2012
88. L.A.Help!!!!!!

Which sentence is a main idea of "Why Leaves Turn Color in the Fall"? A. Leaves stop making chlorophyll add summer ends. B. Leaves reflect the colors of corn, pumpkins, and cranberries in the fall. C. Photosynthesis begins in the fall. D. Longer days and

asked by blue on November 14, 2014
89. Chemistry

Hydroxyapatite, Ca10(PO4)6(OH)2Ca10(PO4)6(OH)2 , has a solubility constant of Ksp = 2.34×10−592.34×10−59 , and dissociates according to Ca10(PO4)6(OH)2(s) --> 10Ca2+(aq) + 6PO4^3-(aq) + 2OH-(aq) Solid hydroxyapatite is dissolved in water to form a

asked by TS on November 3, 2018
90. Stats

My hypothesis test is a lower tail test. and this is the data i developed for my p values and z statistics and I have a feeling its wrong because shouldnt all the z statistics be negative? I am very confused. remeber each answer is only to two decimals:

asked by Maya on September 22, 2018
91. Chemistry

1) Aldrin and dieldrin are pesticides that used to be allowed for the control of soil insects. In ontario, the maximum allowable total concentration of alrin plus dieldrin in drinking water is 0.7 ppb. If a 250mL sample of drinking water is found to

asked by Deepa on February 14, 2013
92. child growth development

Which of the following mothers has the greatest chance of birthing a baby with birth defects due to contracting rubella during preganancy? A. A woman who has the illness during the first month of preganancy B. A woman who contracts the disease during the

asked by chris on June 9, 2010
93. Algebra

A flight attendant packed two rectangular suitcases for her trip to Hawaii. Both hold the same volume of clothes. Her brown suitcase has a length of 3y, a width of 2y – 1, and a height of y. Her black suitcase has a length of 4y − 2 and a width of y.

asked by AshBlueRaven on April 2, 2019
94. Material Sciences

Given an aluminum shell perfectly bonded to a steel core, what is the thermal stress in the aluminum shell when the system is heated from the unstressed state (20∘C) to 180∘C? Consider only deformations in the axial directions. Give your answer in MPa

asked by qwerty on September 27, 2014
95. Chemistry

Table sugar consists primarily of sucrose, C12H22O11(s). The standard enthalpy of combustion for sucrose is the ΔHo for the reaction: C12H22O11(s) + 12 O2(g) → 12 CO2(g) + 11 H2O(l) Calculate this ΔHo. Give your answer in units of kJ to five

asked by Cali on December 4, 2016
96. Chemistry

Full question: An alcohol of molecular formula C4H10O2 contains two OH groups and has an unbranched carbon atom chain. On reaction with excess hot potassium permanganate this alcohol is converted into a compound of molecular C4H6O4 To which carbon atoms in

asked by Ariana on August 22, 2014
97. Algebra 1 (Reiny!)

A piece of 8.5-by-11-inch cardboard has identical squares cut from its corners. It is then folded into a box with no lid. The volume of the box in cubic inches is 4c^3 - 39c^2 + 93.5c, where c is the side length of the missing squares in inches. a. What is

asked by Anonymous on February 9, 2014
98. physics- please help

A 65 kg bungee jumper leaps from a bridge. She is tied to a bungee cord that is 11m long when unstretched, and falls a total of 30m . Part a) Calculate the spring constant of the bungee cord assuming Hooke's law applies. part b)Calculate the maximum

asked by emmie on May 24, 2012
99. physics

The water skier in the figure is at an angle of 35degree with respect to the center line of the boat, and is being pulled at a constant speed of 15m/s . 1)If the tension in the tow rope is 90.0 , how much work does the rope do on the skier in 30.0 ? 2)How

asked by JC on November 20, 2010
100. Math Question from Teacher Exam

Another crazy question on the exam. A teacher gives each child a picture card of an animal with a number. She tells the student to make the animal sound the number of times that matches the number on the card. What type of reasoning is the teacher

asked by Sheila on January 25, 2017