# Which value of r represents data with a strong negative linear correlation between two variables? 1) -1.07 2) -0.89 3) -0.14 4) 0.92

26,129 questions, page 216-
## statistics

what method gathering data may be best use for the following situations. 1.study about culture minorities. 2.study about pre-marital sex among college students and the respondents are friends or classmates. 3.the subject of study is patients in comatose

*asked by 亚 on January 8, 2009* -
## history

Can someone please help me? :) 1. Which of the following best describes the beliefs of Andrew Jackson? (1 point) States’ rights should be exercised over federal law. Federal funds should be kept in a national bank. The nation should have a strong federal

*asked by Megan on January 7, 2014* -
## Algebra 1

While playing a game, Rachel pulls two tiles out of a bag without looking and without replacing the first tile. The bag has two colors of tiles--black and white. There are 10 more white tiles than black tiles. a. Write and simplify an expression that

*asked by Victoria on May 27, 2014* -
## Economics

This data given: GDP=$110; Income earned by citizens abroad=$5; income foreigners earn here=$15; loss from depreciation=$4; indirect business taxes=$6; business subsidies=$2; retained earnings=$5; corporate income taxes=$6; social insurance

*asked by Bryan on June 16, 2007* -
## Language

While television can be entertaining and educational, it also has a dark side, especially for children. On average children spend nearly 4 hours a day watching television. The harmful effects of television viewing far outweigh any benefits. Doing poorly in

*asked by TheVroomin on December 14, 2017* -
## Economics

True OR False 1)Marginal cost is the additional cost incurred in undertaking an activity? 2)The "invisible hand" is the price mechanism that guides our actions in the market. 3)When individuals trade, using their comparative advantages, the production

*asked by Yellow Bird on October 25, 2006* -
## Physics

The Golden Gate Bridge in San Francisco has a main span of length 1.28 km, one of the longest in the world. Imagine that a steel wire with this length and a cross-sectional area of 4.00 x 10-6 m^2 is laid on the bridge deck with its ends attached to the

*asked by Anna on June 15, 2015* -
## English

Class, answer the questions and add more expressions. 1. What do you do? I am a student. I try to study hard. 2. What does your father do? He is a baker. He bakes bread well. He is a delivery man. He is very strong. 3. What does your mother do? She is a

*asked by John on March 12, 2009* -
## statistics

In a study of caffeine and stress, college students indicate how many cups of coffee they drink per day and their stress level on a scale of 1-10. The data appear below. Number of Cups of Coffee Stress Level 3 5 2 3 4 3 6 9 5 4 1 2 7 10 3 5 = 3.88 X= 5.13

*asked by NAD on November 25, 2013* -
## Stats

1. In a study of caffeine and stress, college students indicate how many cups of coffee they drink per day and their stress level on a scale of 1-10. The data appear below. Number of Cups of Coffee Stress Level 3 5 2 3 4 3 6 9 5 4 1 2 7 10 3 5 = 3.88 X=

*asked by Dee on June 22, 2013* -
## Math pls help me

A dance school has 54 students who learn salsa and 23 of those students also learn ballet. There are 15 students who do not learn salsa but learn ballet and 10 students do not learn either salsa or ballet. Which table best shows the relative frequency of

*asked by Oscar on April 19, 2016* -
## Social Studies

What does this graph suggest about the costs and benefits of balancing the budget? I have a bar graph that shows the following data: The title of the graph is "How Americans Want to Balance the Budget". Only with spending cuts: 20% Mostly with spending

*asked by Ashley on November 25, 2015* -
## Chemistry Explanation??

So what would the explanation for this be? Its really confusing me. The Ksp is independent of [NaOH] while the solubility of Ca(OH)2 decreases as the [NaOH] increases. Explain why this is the case. ( in the data table, the naoh concentration is 0 M, and

*asked by Help101 on March 19, 2017* -
## Physics

A car is traveling along a straight road at a velocity of +36.0 m/s when its engine cuts out. For the next ten seconds, the car slows down, and its average acceleration is 1. For the next five seconds, the car slows down further, and its average

*asked by Papito on May 7, 2007* -
## Chemistry-ksp and kb

We were given a 0.1 M KOH solution.25cm3 of that solution is taken and 5g of MX precipitate is added to that.X- is an anion of a strong acid. Kb for MOH=2*(10)^-5 Ksp for MX= 3*(10)^-6 M 1)find the [M+] in the solution 2)Find the [X-] concentration and pH

*asked by Shenaya on May 24, 2017* -
## Business Communications

When you are writing subject lines for negative messages to peers and subordinates: A. put the topic, but not your action on it, in the subject line. B. put the topic, including your action on it, in the subject line. C. do not include the topic in the

*asked by Rain Misoa on August 15, 2010* -
## Chemistry

The solubility of KCLO3 at 25 degree celcius is 10.9 per 100.g of h20. question: If 15 g are addded to 100 g of water at 25 degree celcius with stirring, how much of KCLO3 will dissolve? Is the solution saturated, unsaturated, or supersaturated? please

*asked by Tammy on May 7, 2007* -
## Math

Martina and Carl are part of a team that is studying weather patterns. The team is about to launch a weather balloon to collect data. Martina's rope is 7.8 m long and makes an angle of 36.0 deg with the ground. Carl's rope is 5.9 m long. Assuming that

*asked by McKenna Louise on February 5, 2014* -
## Math/modelling

Hi, I have a linear model with equation p =5.1t - 28, which concerns breeding pairs of birds where p is the number of breeding pairs and t is the year. I need to use this model to estimate the number of breeding pairs in year 15. I would assume to do this

*asked by Tan on July 13, 2010* -
## Physics 1

A mass of 8 kg lies on a horizontal, frictionless floor. A force of 53 Newtons pushes to the left (negative x direction) with a force of 53 Newtons. Another force of unknown magnitude pushes the mass in a direction of 28.5 degrees above the positive x

*asked by Jon on October 1, 2011* -
## Physics

A mass of 8 kg lies on a horizontal, frictionless floor. A force of 72 Newtons pushes to the left (negative x direction) with a force of 72 Newtons. Another force of unknown magnitude pushes the mass in a direction of 21.4 degrees above the positive x

*asked by Tina on October 5, 2011* -
## physics

An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a positive magnitude of 6.7N; a second force has a magnitude of 4.6 N and points in the negative y direction. (1)"Find

*asked by john on October 24, 2008* -
## physics

An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a positive magnitude of 6.7N; a second force has a magnitude of 4.6 N and points in the negative y direction. (1)"Find

*asked by john on October 24, 2008* -
## Trig

solve to four decimal places 1.3224sinx + 0.4732=0 :for all real x values solve for sinx, then arcsinx. solve for sinx, then arcsinx. so its sinx= -.4732/1.3224 and i get -.36594 but how do you get the other values for a real x Ok, use your calculator.

*asked by Kate on April 16, 2007* -
## Math

I need help solving this. I do not get it one bit. The median home sale price in country A has been rising approximately linearly since 1995. The median home sale price in 1995 was $110,500. The median home sale price in 2004 was $194,200. Let P be

*asked by Sara111 on September 26, 2018* -
## Math

I need help solving this. I do not get it one bit. The median home sale price in country A has been rising approximately linearly since 1995. The median home sale price in 1995 was $110,500. The median home sale price in 2004 was $194,200. Let P be

*asked by Sara111 on September 26, 2018* -
## Algebra 2

1. Find the midpoint and the distance between the points (8,–6) and (13, 4). 1. (4, –3), 10 units 2. 3. 4. (10, –1), 9 units 2. Find the vertex and the focus of the parabola with the equation 4y = x2 – 12x + 52. 1. V(6, 4), F(6, 5) 2. V(6, 4), F(7,

*asked by Ben on June 4, 2011* -
## Chemistry

The data below has been taken for the reaction of a dye with the hydroxide ion. The reaction was performed at two different hydroxide ion concentrations while the dye concentration was kept constant. What is the rate law? [OH─] = 0.10 M [OH─] = 0.20 M

*asked by Nicole on March 13, 2014* -
## Statistics and Probability

We have k coins. The probability of Heads is the same for each coin and is the realized value q of a random variable Q that is uniformly distributed on [0,1]. We assume that conditioned on Q=q, all coin tosses are independent. Let Ti be the number of

*asked by Anonymous on November 5, 2018* -
## Python programming

Consider the following class definition: class Frob(object): def __init__(self, name): self.name = name self.before = None self.after = None def setBefore(self, before): self.before = before def setAfter(self, after): self.after = after def

*asked by Anonymous on January 13, 2013* -
## Math

Maria wants to make fruit punch for a birthday party. She needs to mix three parts ginger ale, two parts cranberry juice, and one part orange juice. Ginger ale costs $2.00 per gallon, cranberry juice costs $4.00 per gallon, and orange juice costs $5.00 per

*asked by Anna on January 25, 2017* -
## algebra

A school fair ticket costs $8 per adult and $1 per child. On a certain day, the total number of adults (a) and children (c) who went to the fair was 30, and the total money collected was $100. Which of the following options represents the number of

*asked by Jiskha Homework Help on December 22, 2017* -
## Excel-Exponential Fits

Hey Im trying to plot this set of data: 0 0 10 0.6 20 1.01 30 1.428 40 2 50 2.3 60 2.57 70 2.8 80 3.05 90 3.35 100 3.54 110 3.73 120 3.9 130 4.08 140 4.25 150 4.39 160 4.53 170 4.65 180 4.754 190 4.846 200 4.943 210 5.011 220 5.111 230 5.175 240 5.23 250

*asked by Tom on November 11, 2011* -
## Calculus

I was worried the last response in: (jiskha.com/questions/1789039/Sorry-to-bother-you-so-much-but-do-you-think-you-could-check-my-answers-for-these) would get lost so I just re-posted it here just in case: Thank you so much for including both methods on 2C

*asked by George on March 20, 2019* -
## Epidemiology

Design the appropriate 2x2 table, calculate and interpret the appropriate measure of association. You suspect that the association between alcohol use and CHD might be confounded by smoking. You collect the following data: Smokers Non-Smokers CHD No CHD

*asked by Latice on October 19, 2010* -
## Physics

A ball of mass m moving with velocity Vi strikes a vertical wall. The angle between the ball's initial velocity vector and the wall is θi. The duration of the collision between the ball and the wall is Δt, and this collision is completely elastic.

*asked by Jenkins on November 5, 2017* -
## Math

Theo made the table below to show the number of middle school students who attended the last football game. If the data were displayed in a circle graph, how many degrees would be in the sector representing the eigth graders? Grade 6 Number of students in

*asked by Anonymous on March 17, 2015* -
## English

Could you please check these sentences? Thank you. 1) In the conventional society of Jane Austen’s day, a woman’s role was fairly clear. Her position in life was defined by her father or her husband and she was expected to be modest, submissive and

*asked by Henry2 on December 19, 2011* -
## Thermodynamics

Streptomycin, an antibiotic, is produced on a large scale in the United States. The purified solution contains 50 wt% streptomycin water. Preparation of 500 mL intravenous (IV) drip solution bag requires addition of diluent and preservative. The diluent

*asked by debbie on January 31, 2012* -
## chem - check my answers?

i already posted this but i tried to solve it on my own can you check at the end of this paragraph? The study of kinetics group 1: Temp: 12.6 C T(K): 12.6+273= 285.6 1/T(K): 3.50X10^-3 this one is the x value Time: 816 sec Rate ®: 7.66 x10^-6 LnR: -11.8

*asked by chemistyr on October 17, 2010* -
## in what order comes

This is highly advanced qquestion. You have a basket draw, and you have 14 balls left form 39 balls and 5 number will comes out next, would you be able to calculate which balls comes after sixth. It could be in any combo: for example: first draw 1 2 3 4 5

*asked by behzad yousefzadeh on April 7, 2013* -
## Belinda, Math

I aked the instructor about that problem that looked like this: (w-(1)/(4))^2 and he said that what i thought was right. which was : the answer:w^2-(1)/(2)w+(1)/(6) Yes, that's right. I just thought your way of getting the answer was more complicated than

*asked by Jasmine20 on January 25, 2007* -
## Statistics

The Centers for Disease Control (CDC) collects yearly statistics on drinking behavior in the United States by surveying a random sample of U.S. adults. The following data display the percent of adults aged 18 years and over who had 5 or more drinks in 1

*asked by Rupal on July 15, 2013* -
## math help1

Okay I am a little bit confused about one math question can you please Help me out? There is two parts but I already finished part a just stuck on part b Okay so part a. draw the reflection of f(x) = (square root X-2) in the Line y=X Okay I understand that

*asked by kris! on September 12, 2006* -
## Math

Tickets for a play cost Php 250 for adults and Php 200 for children.The sponsor of the show collected a total amount of not more than lhp 44,000 from more than 150 adults and children who watched the play. A. What mathematical statements represents the

*asked by Claire on September 13, 2017* -
## Physics

From the top of a tall building, a gun is fired. The bullet leaves the gun at a speed of 340 m/s, parallel to the ground. As the drawing shows, the bullet puts a hole in a window of another building and hits the wall that faces the window. (y = 0.42 m, and

*asked by Adriana on January 28, 2016* -
## Statistics

A list of transactions contains 100 numbers: 60 gains and 40 losses. The gains are positive numbers and the the losses are negative numbers. The units are thousands of dollars. For the 60 gains, the average is 18 and the SD is 7.5. For the losses the

*asked by Sarah on September 3, 2015* -
## Math

A postal service says that a rectangular package can have a maximum combined length and girth of 108 inches. The girth of a package is the distance around the perimeter of a face that does not include the length. a. Identify an inequality that represents

*asked by Madeline on November 9, 2016* -
## Algebra

Student tickets to the Homecoming game cost $5 each. General admission tickets cost $8 each. So far, 150 tickets have been sold. $900 has been collected. A. Write a system of equations for this model in standard form. 8G = General Admissions: 50 sold 5S =

*asked by Anonymous on June 2, 2017* -
## Math

This table shows the number of hours Harry spent watching television and the hours he spent doing his homework on three days last week. hours of tv: 1.5 2 3 hours of homework: 2 1.5 1 What kind of relationship do these data appear to have? A. Directly

*asked by Yo on March 27, 2017* -
## statistics

7. A sample of 40 observations is selected from one population. The sample mean is 102 and the sample standard deviation is 5. A sample of 50 observations is selected from a second population. The sample mean is 99 and the sample standard deviation is 6.

*asked by Barbara on February 28, 2010* -
## Accounting

The following data relate to direct labor costs for the current period: Standard costs 6,000 hours at $12.00 Actual costs 7,500 hours at $11.60 What is the direct labor rate variance? Answer A.$15,000 unfavorable B.$3,000 favorable C.$17,400 unfavorable

*asked by Anonymous on July 23, 2013* -
## englis

8. Which of the following options accurately represents the steps involved in the writing process? A. Write first draft, edit, revise, write final draft B. Write first draft, revise, proofread, write final draft C. Plan, write first draft, edit, write

*asked by selena on May 1, 2013* -
## chemistry

Given this data in a study on how the rate of a reaction was affected by the concentration of the reactants Initial Rate, RUN # A], M [B, M C], M mol L-1 s-1 1 0.200 0.100 0.600 5.00 2 0.200 0.400 0.400 80.0 3 0.600 0.100 0.200 15.0 4 0.200 0.100 0.200

*asked by senior pup on February 17, 2012* -
## Social studies

1.How did the state colonization law affect Texas? Select all that apply. A:It encouraged settlers to come to the area. B: It gave empresario grants to people such as Stephen F. Austin. C:It promoted cheap land where they could raise crops.*** D:It helped

*asked by PleaseHelpMe on October 13, 2017* -
## Chemistry

40.0 g of magnesium chloride (MgCl2) in 250.0 g of water at 22 °C.Calculate a) the vapor pressure of this solution, b) the freezing point, c) the boiling point. I know it is something like this, but I continue to get the incorrect answer. A) 40.og

*asked by Jasmine on May 23, 2013* -
## physics

An infinite sheet with a surface charge density of -2.1 micro-coulombs/m2 runs parallel to the x axis. Another infinite sheet a surface charge density of +2.1 micro-coulombs/m2 runs parallel to the y axis. A charge of -4.1 micro-coulombs moves at a 45

*asked by Mandaleigh on February 10, 2012* -
## Math

I really need help with this question please Break-even equation. Fill in the blank. The following table contains selected data concerning several outpatient clinics in the new Ambulatory Care Center at Hope University Hospital. Fill in the missing

*asked by Mae on August 14, 2013* -
## social studies

1: Which term refers to the type of buying and selling that takes place within a country? A. free trade B. international trade C. productivity D. domestic trade 2: Why do countries trade goods and services? A. because they want to reduce interdependence B.

*asked by BlackWeb on August 30, 2018* -
## statistics

A study of health care planning undertook a mail survey of hospital administrators in Arkansas, Louisiana, and east Texas. Research question: At á = .05, is the type of planning independent of the intensity of competition? (Data are from D. O. McKee, P.

*asked by ronald on March 13, 2012* -
## Physics

In projectile motion the acceleration at the highest point of curved motion is___. a. 0 b. g c. undefined d. –g Which is true about an object was dropped from a 5 storey building? a. initial velocity is zero b. acceleration is equal to –g c.

*asked by Anonymous 22 on December 8, 2016* -
## Science Help!

A student mixed two clear liquids together in a beaker. A solid and a new liquid formed. The student forgot to write down the mass of one of the reactansts. The rest of the data are shown in the table below. Table Mass (g) Liquid reactant A/ unknown Liquid

*asked by Callie on November 12, 2014* -
## chemistry

A student collected the following data for a fixed volume of gas: ￼ Temperature(C) pressure(mm of hg) 10 726 20 750 40 800 70 880 100 960 150 ??? pressure is directly proportional to temp in Kelvins. So change temps to K emperature(K) pressure(mm of hg)

*asked by Ciaria on March 12, 2015* -
## Physics check

A speeder traveling at 41 m/s passes a motorcycle policeman at rest at the side of the road. The policeman accelerates at 3.3 m/s2. To the nearest tenth of a second how long does it take the policeman to catch the speeder? Im sorry I am new to physics this

*asked by Me on July 13, 2010* -
## statistics help

Complete the hypothesis test with alternative hypothesis ƒÊd ‚ 0 based on the paired data that follows and d = O - Y. Use ƒ¿ = 0.01. Assume normality. Oldest 188 174 192 196 65 Youngest 186 168 199 199 69 (a) Find t. (Give your answer correct to

*asked by tracy on June 24, 2013* -
## Math

12. 1,000 people were surveyed about the type of vehicles they owned. The results are shown in the circle graph below. SUV: 42% WAGON: 28% HATCHBACK: 5% SEDAN: 25% How many people own an SUV? 4(I know this is not the answer) 42**** 420 4,200( I know this

*asked by Aaliyah on March 7, 2016* -
## Algebra ll

Help me please The table shows the distance and costs of flights for a given airline with the same starting destination and different ending destinations. Distance (miles) 1281 2796 790 150 3211 7810 812 210 7742 3578 1346 3214 Cost (dollars) 473 683 508

*asked by Me and I on May 13, 2014* -
## physics

a boy who is 1.5m tall throws a ball into the air the ball attains a height a of 3m above the boy's head and then falls back to the ground the boy's hand was 1.2 m above the ground when he released the ball how long does it take to reach it's maximum

*asked by rebecca on October 1, 2006* -
## 10th grade English

This is my English oral speech. Please check whether there are any mistakes or awkward phrases. Please help ASAP Published in 1974, Where the Sidewalk Ends by Shel Silverstein is a poem which depicts our typical human life. In this poem, he criticises our

*asked by Andy on June 3, 2009* -
## 4th Grade Language Arts

Can you please check my answers. I made the answers in capital letters. Directions, Choose the simple subject in each sentence. 1. The annual kite contest takes place this weekend. KITE 2. Fifty contestants are competing for first prize this year.

*asked by Claire on September 2, 2009* -
## AP Physics

A ball is kicked 30º above the horizontal with an initial velocity of 20m/s. A fence 2.3 meters high is located 32 meters away. a. How long does it take to reach the fence? b. Does it goes over the fence? Does it hit the ground before? By how much? I

*asked by Jessica on October 24, 2015* -
## pyhsics

A man drops a rock off the side of a cliff, and hears it hit the bottom 2.8 seconds later. If the average speed of sound is 335 m/s, how high is the cliff? I have been able to figure out this much, but I don't know how to solve the problem with the data

*asked by JJ on October 24, 2014* -
## Physics - Mini Lab

The reason I didn't do this was because I was gone the day they did this at school. And the teacher said I couldn't do it at school. So I need help and my teacher is a jerk, so I have no idea what to do. Please help me. I really need a good grade in this

*asked by Marisa on March 8, 2015* -
## Chemistry

Use the data in this table to calculate the solubility of each sparingly soluble substance in its respective solution. (a) silver bromide in 0.066 M NaBr(aq) mol · L-1 I know how to do this one, found it to be 1.167E-11 which is correct. (b) nickel(II)

*asked by Val on March 19, 2010* -
## economics

Gamma Corporation, one of the firms that retains you as a financial analyst, is considering buying out Beta Corporation, a small manufacturing firm that is now barely operating at a profit. You recommend the buyout because you believe that new management

*asked by robbie on November 6, 2010* -
## writing-health

any facts on animal testing and why it is bad is good (unless it is a stupid 1 like it just is then not that) One thing you can do is to go to Google's advanced search page -- http://www.google.com/advanced_search?hl=en == and enter animal testing positive

*asked by sam on March 20, 2007* -
## Physics

A person’s arm is held with the upper arm vertical, the lower arm and hand horizontal. Find the center of mass of the arm in this configuration, given the following data. upper arm has a mass of 2.5kg and a COM 0.18m above the elbow, lower arm has a mass

*asked by Arr-chan on May 27, 2014* -
## chemistry

A flask is charged with 0.124 mol of A and allowed to react to form B according to the reaction A(g) →B(g). The following data are obtained for [ A ] as the reaction proceeds: Time (s) 1 10 20 30 40 Moles of A 0.124 0.110 0.088 0.073 0.054 how do i solve

*asked by JES on November 1, 2010* -
## fin220

Collins Office Supplies is considering a more liberal credit policy in order to increase sales The following data is available for the company: Uncollectable new accounts 7% Collection costs 6% of new sales Production and selling costs 79% Accounts

*asked by maggie on October 21, 2009* -
## Algebra

The table shows the minimum wage for three different years. Year 1940, 1968,1997 wages for 1940 $.025, 1968 $1.60, 1997 $5.15 estimate the minimum wage in 1976 and compare it to the actual value of $2.30 and estimate when the minimum wages was $1.00. If

*asked by Rochelle on March 21, 2012* -
## Algebra

Remember to show all of the steps that you use to solve the problem. Use the comments field to explain your work. A survey about the student government program at a school finds the following results: 190 students like the program 135 students think the

*asked by Secret on March 20, 2013* -
## English

Here are other mistakes I checked.I'd like you to have a look at them. Thanks. 1) Elizabeth I led a powerful emperor with a strong ship army. Elizabeth made England a powerful seafaring and commercial country. "Does the word ship army exist???" 2) She was

*asked by Henry on October 10, 2011* -
## ss more more more

The United States had strong ties to north Africa and Southwest Asia. This region lies where that continents of Africa, Asia, in Europe meet. It is a region inhabited by Jews, Christians, and Muslims. As in past years, old conflicts in this region

*asked by Bella on April 16, 2018* -
## Math Data management

A survey of 1000 television viewers conducted by a local television station produced the following data: •40% watch the news at 12:00 •60% watch the news at 18:00 •50% watch the news at 23:00 •25% watch the news at 12:00 and at 18:00 •20% watch

*asked by Rania on January 19, 2011* -
## Data Management Grade 12

A survey of 1000 television viewers conducted by a local television station produced the following data: •40% watch the news at 12:00 •60% watch the news at 18:00 •50% watch the news at 23:00 •25% watch the news at 12:00 and at 18:00 •20% watch

*asked by Trisha janelle on March 5, 2013* -
## Chemistry (Follow up post - Dr.BOB22)

Ionization is when an electron is removed from an atom and ionization energy is the energy required to do this. "Electrons stream from the negative electrode to the positive electrode. In the process of moving from one electrode to the other they knock

*asked by Jessica on November 13, 2011* -
## Computers

Need help creating pseudocode for the following. Registration workers at a conference for authors of children's books have collected data about conference participants, including the number of books each author has written and the target age of their

*asked by Andrew on April 8, 2014* -
## Social Studies

Please check my answers 1. There were two different groups in the elite planter class. What distinguished these groups? education level how many generations had money*** their location the crops they planted 2. Which of the following accurately represents

*asked by Lost on January 20, 2016* -
## Calculus 2

I am having so many problems with these volume problems, 1. Find the volume of a the solid obtained by rotating the region enclosed by: x = 2y and y^3 = x with y>0 about the x axis 2.Find the volume of cone of height h = 250 and a circular base with radius

*asked by J on October 23, 2010* -
## Math Help

For the pair of supply-and-demand equations, where x represents the quantity demanded in units of 1,000 and p is the unit price in dollars, find the equilibrium quantity and the equilibrium price. 2x + 9p - 93 = 0 and 3x - 14p + 108 = 0 a. equilibrium

*asked by Robbi on October 19, 2016* -
## Stats 2

1. At the national level, the average income for a given occupation is $74 914. You want to determine if the income for member of the occupation is the same in Chicago. You take a random sample of 112 members of the occupation in Chicago. You find that

*asked by Porsha on February 5, 2018* -
## physics

A ball starts at the top of a ramp with an incline of 7 degrees and rolls down, picking up speed. (see the table below) Time (s) Position (m) 0 0 .4917 .1 .7625 .15 .975 .3 1.1583 .45 1.2833 1.6467 (a) Linearize the data and find the slope of the new line.

*asked by Daniel on September 30, 2015* -
## Statistics Help

A medical statistician wanted to examine the relationship between the amount of sunshine (x) and incidence of skin cancer (y). As an experiment, he found the number of skin cancers detected per 100,000 of population and the average daily sunshine in eight

*asked by Stuart on March 29, 2009* -
## Calculus PLEASE HELP

Given that C(x)=2x^3-21x^2+36x+1000 is a cost function, determine the intervals for which the cost is increasing. Determine any intervals for which the marginal cost is increasing. Marginal cost is when you derive the cost function, correct? So do you do

*asked by Lindsay on December 7, 2013* -
## Calculus

Given that C(x)=2x^3-21x^2+36x+1000 is a cost function, determine the intervals for which the cost is increasing. Determine any intervals for which the marginal cost is increasing. Marginal cost is when you derive the cost function, correct? So do you do

*asked by Lindsay on December 7, 2013* -
## Math - average grade

Does anyone know how to calculate average point grade? I have the following data: grade D - 2 students - 4,9 percent grade C - 6 students - 14,7 percent grade B - 12 students - 29,2 percent grade A - 21 students - 51,2 percent What is the average grade?

*asked by refy on February 17, 2010* -
## Art

Democratic Architecture 1) The Greek temple has often inspired the design of what type of American structure? :Amphitheater. :Colosseum. :Courthouse.*** :Bridge. 2) Why might a college choose to use Greek architectural elements such as columns when

*asked by TheLOUDEST_0430 on March 9, 2015* -
## Economics

Why would a country choose to have a mixed economy? I know a mixed economy is a combination of a command and a free market economy. I don't understand the point of combining these two types of economies because they are basically totally opposite.It would

*asked by Chrissy on February 12, 2007* -
## physics

The magnitude of vector A is 18 units at an angle of 90 degrees with the x-axis, and the magnitude of vector B is 12 units at an angle of 330 degrees with the x-axis. What vector C must be added to the vectors A and B so that the resultant of these three

*asked by Ro2ita on March 31, 2012* -
## Business Statistics

1- When the necessary conditions are met, a two-tail test is being conducted to test the difference between two population proportions. The two sample proportions are p1= 0.25 and p2 = 0.20 , and the standard error of the sampling distribution of p1 − p2

*asked by Lesliam on August 11, 2009*

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