Saturday

July 4, 2015

July 4, 2015

Total # Posts: 429

**chemistry **

Explain the following quote with your understanding of the concept of gas mixtures (Ch. 10 concepts) and the composition of “common air” (i.e. the air in the atmosphere). Inflammable air is hydrogen. “By the experiments... it appeared that when inflammable air ...
*May 30, 2015*

**Algebra**

Assignment 1: LASA 2: The Apportionment Problem You are a census officer in a newly democratic nation and you have been charged with using the census data from the table below to determine how 100 congressional seats should be divided among the 10 states of the union. State ...
*May 23, 2015*

**English**

What is wrong with this sentence? Although they seemed inflamed, the site of the previous craniectomy seemed free of defect.
*May 19, 2015*

**Chemistry**

determine the mass of titanium and iodine that react if 1.38 x 10 to the third kJ of heat emitted by the reaction
*May 2, 2015*

**Chem**

What mass of KCl in grams is formed when 2.00lbs of KClO3 is decomposed?
*April 12, 2015*

**Calculus 2 - Series**

Ahh, for the first problem, I wasn't sure if I was supposed to plug in numbers (1-5) or if there was a particular number I was to plug in rather than randomly, but now realizing that it's between a1-a5 with the numbers accordingly. And for the second problem, I was ...
*March 29, 2015*

**Calculus 2 - Series**

I am so confused on how to do series problems...especially these. How can you tell the pattern and determining the formula for them? Can someone please help? 26) Write the first five terms of the sequence {an} whose nth term is given. an = (n + 3)/(2n − 1) a1 = ? a2 = ? ...
*March 29, 2015*

**Probability**

i dunno
*March 7, 2015*

**Health**

Its B
*February 19, 2015*

**algebra**

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount, a, spent on advertising (in dollars) by the following formula:
*February 18, 2015*

**Math**

Tension wants to build a soccer field for his team. The area of the field should be 125 square feet. The width is 1/5 of the length. What are the dimensions of the field?
*January 29, 2015*

**Sociology**

How can I get an essay in Sociology?
*December 9, 2014*

**finance**

Suppose an investment offers to triple your money in 36 months (don’t believe it). What rate of return per quarter are you being offered
*October 17, 2014*

**math**

Valerie and Bret have a total of 24 dog show ribbons.Bret has twice as many ribbons as Valerie.How many ribbons does each have?
*October 6, 2014*

**physics**

W=f×d=65×16=1040j
*September 30, 2014*

**physics**

W=f×d=65N×16m=1040j
*September 30, 2014*

**physics**

A woman raises a 65N box 16m in 4 seconds.Calculate the work done by the woman on the box
*September 30, 2014*

**Finite Math**

suppose x sheets from a 500 sheet ream of paper have been used. Write an algebric expression to represent the number of sheets that are left
*July 29, 2014*

**chem**

How many moles of carbon, hydrogen, and oxygen are present in a 100-g\rm g sample of ascorbic acid?
*July 20, 2014*

**chem**

How many moles of carbon, hydrogen, and oxygen are present in a 100-g\rm g sample of ascorbic acid?
*July 20, 2014*

**English**

Words to choose from: Commemorate, complacent, consensus, deplete, diligent, empathy, menial, niche, transcend, and waive At Eastman High School reunions, the conversation usually gets around to the question “who was our best teacher?” And year after year, the (1) ...
*July 3, 2014*

**economics**

To save on gasoline expenses, Edith and Mathew agreed to carpool together for traveling to and from work. Edith preferred to travel on I-20 highway as it was usually the fastest, taking 25 minutes in the absence of traffic delays. Mathew pointed out that traffic jams on the ...
*July 3, 2014*

**Strategic Leaders**

Identify four research sources that provide context for at least three activities of strategic leaders.
*April 15, 2014*

**Geometry**

The word cosine literally means "the complement of the sine." Write a paragraph explaining how complements of sine and cosine are connected. I know that the sine and the cosine of complementary angles are the same. but how can i add more details/write a paragraph?
*April 15, 2014*

**Statistic ASAP Please**

Some people believe in the force (yes, like in Star Wars). To test if young Anakin Skywalker has the force with him, he is told that some cards that Yoda can see but Anakin cannot contain a picture of a planet, a lightsaber, a laser rifle, or a spaceship. As Yoda looks at 20 ...
*April 3, 2014*

**Help ASAP Statistic**

. A new medical test provides a false positive result for Hepatitis 2% of the time. That is, a perfectly healthy subject being tested for Hepatitis will test as being infected 2% of the time. In research, the test is given to 30 healthy (not having Hepatitis) subjects. Let X ...
*April 2, 2014*

**Chemistry 2**

I just wanted to compare my answer with the answer that i will be getting.. This is what I have: Exothermic reaction starts at a higher energy value and ends at a lower energy value. In an exothermic reaction, we know that energy is given off in the form of heat. This energy ...
*March 31, 2014*

**Chemistry 2**

Compare endothermic and exothermic reactions in terms of potential energy, heat flow, and observed temperature changes. Explain your answer in complete sentences.
*March 31, 2014*

**DrBob222**

Wait wait, nevermind, check this one: In freezing, the amount of energy in the reactants is lower than the resulting amount of energy in the products. This means that the line graph starts at a lower energy value (representing the potential energy of the reactants) and ends at...
*March 31, 2014*

**DrBob222**

please check my answer
*March 31, 2014*

**chemistry**

In freezing, the stronger attraction that results in closer/shorter bonds (though the overall density increase due to the highly ordered structure) than in melting water so the potential energy is lower.
*March 31, 2014*

**chemistry**

Freezing and melting are two different physical changes that involve the same amount of energy. In an exothermic reaction, the amount of energy in the reactants is higher than the resulting amount of energy in the products. This means that the line graph starts at a higher ...
*March 31, 2014*

**chemistry**

Can you answer it please? I just want to compare my answer..
*March 31, 2014*

**chemistry**

Freezing and Melting are two different physical changes that involve the same amount of energy. compare and contrast the potential energy diagrams that would represent each of these processes. Be specific in your comparison.
*March 31, 2014*

**chemistry**

help
*March 31, 2014*

**check one question statistic**

For the scenario below, determine if the experiment describes a geometric distribution. If it is not a geometric setting, state why. if it is a geometric a) the two outcomes head or not head b) What constitutes one trial Flip a coin constitutes a flip coin c) the probability ...
*March 31, 2014*

**Statistic**

thanks
*March 30, 2014*

**Statistic**

consider caleb the basketball player. In a game, he shoots 10 free throws. In the year, he makes 70% of his free throws. Is this a binomial setting? Fully explain your response.
*March 30, 2014*

**statistic**

here are five seniors in a class, for each situation, write how the binomial formula is used to calculate the probability. a) In how many ways can you choose one senior to represent the group? b) In how many ways can you choose two seniors to represent the group? c.) In how ...
*March 30, 2014*

*******Help Statistic**

Imagine taking a 10-question true or false exam. You randomly guess at each question. Don't do any calculations, just tell me your first impressions a). Is this a binomial setting? b) How many question do you think you would get correct? c). How surprised would you be if ...
*March 26, 2014*

**Canvas art**

Who paints using the name Cobot
*March 20, 2014*

**Canvas art**

Who paints using the name Cabot
*March 20, 2014*

**statistic****help*******

if three coins are tossed, what is the number of equally likely outcomes? 3 4 6 8 9
*March 19, 2014*

**help ASAP Statistic**

The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate probabilities of positive ...
*March 17, 2014*

**Statistic help ASAP Please**

The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate probabilities of positive ...
*March 17, 2014*

**help please statistic**

Teenage drivers pay more for automobile insurance than older drivers. Also, many insurance companies offer discounts for teenage drivers that achieve good grades. Assume that 20% of all teenage drivers are involved in accidents each year. Assume that 10% of all teenage drivers...
*March 16, 2014*

**statistic**

thanks a bunch
*March 16, 2014*

**statistic**

You draw one card from a shuffled standard deck or cards (cards are in four suits-red diamonds, red heart, black clubs and black spades-and are numbered 2,3,4,5,6,7,8,9,10, J,O,K,A). A.What is the probability of drawing a red card B.What is the probability of drawing a queen c...
*March 16, 2014*

**Statistic**

In a survey of students at a local high school, 30% of the students said they liked tater tots and 15% of the students said they like French fries. If every one of the students who said they like French fries also said they like tater tots, what proportion of the students ...
*March 14, 2014*

**statistic**

You draw one card from a shuffled standard deck or cards (cards are in four suits-red diamonds, red heart, black clubs and black spades-and are numbered 2,3,4,5,6,7,8,9,10, J,O,K,A). A.What is the probability of drawing a red card B.What is the probability of drawing a queen c...
*March 14, 2014*

**statistic**

Thank you
*March 13, 2014*

**statistic**

For each of the following, assume you are working with a standard deck of 52 cards. There are 13 cards (2,3,4,5,6,7,8,9,10, jack, queen, king and Ace) in each of four suits (Clubs, Diamonds, Hearts, and Spades). a. What is P(Club) when drawing one card? b. What is P(Jack) when...
*March 13, 2014*

**Math**

Kimberly is 3 times as old as her sister, Halley .Find the ratio of Kimberley"s age to Hallet"s age. Give your answer in fraction form.
*February 20, 2014*

**physic**

A cheetah is crouched in ambush 20m to the east of an observers blind. At time t=0 the cheetah charges an aeroplane in a cleaning 50m east of the observer. The cheetah runs along the straight line.
*February 19, 2014*

**physic**

A cross- country skier skis 7.40km in the direction of 45⁰ East of South, then 2.8 km in the direction 30⁰ North of East, and finally 5.2km in the direction 22⁰ West of North. How far is the shier from the starting point?
*February 19, 2014*

**physic**

The concorde is the fastest airliner used for commercial service. It can cruise at 1450mi/hr. What is the cruise speed of the concorde in miles/s?
*February 19, 2014*

**Statistic**

1. For this assessment, explicityly state the five steps of a simulation and carry out the simulation. Use the random digit table. A basketball player makes 80% of her free throws. Recently during a very close game, she shot 5 free throws near the end of the game and missed 3 ...
*January 30, 2014*

**statistic please help**

how many twos would be listed in the leaf area of a stem-and-leaf plot with following data? [22,23,33,34,36,37,48,47] 2 3 4 5
*January 14, 2014*

**statistic please help**

The number of pencil used during a test is a type of which data? nominal qualitative ordinal qualitative discrete quantitative continuous quantitative Class rank (freshman, sophomore, etc.) is a type of which data? nominal qualitative ordinal qualitative discrete quantitative ...
*January 14, 2014*

**statistic**

27. which is true about the response variable? i. this used to be called the independent variable. ii. when graphing the data, the response variable is plotted along the y-axis only i only ii both i and ii neither
*January 14, 2014*

**statistic**

which is true about the response variable? i this used to be called the dependent variable. ii when graphing the data, the response variable is plotted along the x-axis only I only ii both I and ii neither I or ii
*January 14, 2014*

**alegbra**

An initial population of 298 quail increases at an annual rate of 8%. Write an exponential function to model the quail population. What will the approximate population be after 3 years f(x)=298(1.08)^x;375 f(x)=298(0.08)^x;153 f(x)=298(8)^x;305 f(x)=(298*1.08)^x;324
*January 12, 2014*

**alegbra**

let f(x)=x^2+5 and g(x)=x+5/x. find (g f)(-3) 1/4 14/19 19/14 49/9
*January 12, 2014*

**algebra**

use the binomial theorem to expand the binomial (s+2v)^5
*January 11, 2014*

**alegbra**

Identify a pattern and find the next number in the pattern -0.8,-3.2,-12.8,51.2
*January 11, 2014*

**algebra**

An exam consists of two parts, Section X and Section Y. There can be a maximum of 95 questions. There must be at least 20 more questions in Section Y than in Section X. Write a system of inequalities to model the number of questions in each of the two sections. Then solve the ...
*January 11, 2014*

**help asap statistic**

I need someone to check a statistic test can anyone help me. Unit 4 Test Multiple Choice 1. Which choices listed below indicate that a linear model is not the best fit for a dataset? Choose all that apply. (3 points) • Scatterplot shows a strong linear pattern. • ...
*January 7, 2014*

**statistic**

Scientists are studying the population of a particular type of fish. The table below shows the data gathered over a five-month time period. Use the data to answer questions 5-9. number of months number of fish 0 8 1 39 2 195 3 960 4 4,738 5 23,375 5. what does the scatterplot ...
*December 28, 2013*

**statistic**

cientists are studying the population of a particular type of fish. The table below shows the data gathered over a five-month time period. Use the data to answer questions 5-9. number of months number of fish 0 8 1 39 2 195 3 960 4 4,738 5 23,375 5. what does the scatterplot ...
*December 26, 2013*

**statistic**

cientists are studying the population of a particular type of fish. The table below shows the data gathered over a five-month time period. Use the data to answer questions 5-9. number of months number of fish 0 8 1 39 2 195 3 960 4 4,738 5 23,375 5. what does the scatterplot ...
*December 26, 2013*

**statistic**

cientists are studying the population of a particular type to fish. the table below shows the data gathered over-five month time period. use the data to answer question 5-9 months 0,8 fish,month 1-39, month 2-195, month 3-960, month, month 4-4,738, month 5-23,375 the linear ...
*December 22, 2013*

**help please English**

If this be error and upon me proved/ I nevered writ, nor no man ever loved." What is the impact of these concluding lines from shakespeare's sonnet 116? 1. They underscore the fact that everyone makes mistakes 2. They underscore the fat that shakespeare is a writer 3....
*December 22, 2013*

**help please English**

If this be error and upon me proved/ I nevered writ, nor no man ever loved." What is the impact of these concluding lines from shakespeare's sonnet 116? 1. They underscore the fact that everyone makes mistakes 2. They underscore the fat that shakespeare is a writer 3....
*December 21, 2013*

**English**

eleven is number #1 because the word error and impediments means obstacles and it also stated mistake in the poem 14. is number 3 because what was stated in I cor.
*December 21, 2013*

**English**

f this be error and upon me proved/ I nevered writ, nor no man ever loved." What is the impact of these concluding lines from shakespeare's sonnet 116? 1. They underscore the fact that everyone makes mistakes 2. They underscore the fat that shakespeare is a writer 3....
*December 21, 2013*

**English**

If this be error and upon me proved/ I nevered writ, nor no man ever loved." What is the impact of these concluding lines from shakespeare's sonnet 116? 1. They underscore the fact that everyone makes mistakes 2. They underscore the fat that shakespeare is a writer 3....
*December 20, 2013*

**English**

9. Read these line, from The Passionate Shepherd to his love. "The country swains shall dance and sing/For they delight each May morning.?If these delights thy mind may move,/Then live with me, and be my love." What sort of life is the shepherd offering the numph? 1....
*December 20, 2013*

**math**

how would you solve f(n)=f(n-1)+d when n=1 and d=2?
*December 20, 2013*

**Math-examples?**

Can anyone give an example of recursive method, explicit method using the variable n?
*December 20, 2013*

**Math-examples?**

Can anyone give an example of recursive method, explicit method using the variable n?
*December 20, 2013*

**algebra**

simplify the number using the imaginary unit i. square root of -16
*December 19, 2013*

**algebra**

Thanks but I had figure it out thanks again
*December 19, 2013*

**algebra**

simplify the expression -5+i/2i
*December 19, 2013*

**algebra**

During a manufacturing process, a metal part in a machine is exposed to varying temperature conditions. The manufacturer of the machine recommends that the temperature of the machine part remain below 141°F. The temperature T in degrees Fahrenheit x minutes after the ...
*December 18, 2013*

**Algebra**

Use the Quadratic formula to solve the equation -4x^2-3x+2=0
*December 18, 2013*

**algebra**

solve the quadratic equation by completing the square -3x^2+9=1
*December 18, 2013*

**Algebra**

what is the equation, in standard form, of a parabola that contains the following points? (-2-20). (0-4), (4-20)
*December 18, 2013*

**English**

for the first answer I am going with #2 I am think #1
*December 17, 2013*

**English**

sorry thanks Which line best states the theme of John Donne's holy sonnet 10? 1. "Ann soonest our best men with thee do go" 2."Death be not proud, though some have call thee" 3. And Death shall be no more; Death, thou shalt die." 4. And doest with ...
*December 17, 2013*

**English**

9. Read these line, from The Passionate Shepherd to his love. "The country swains shall dance and sing/For they delight each May morning.?If these delights thy mind may move,/Then live with me, and be my love." What sort of life is the shepherd offering the numph? 1....
*December 17, 2013*

**statistic**

Sorry I am not following you on this.
*December 16, 2013*

**statistic**

Use the linear transformation model to predict the number of fish in 12 months log y = 0.9013.logx+ 0.6935
*December 16, 2013*

**statistic**

00mg calcium 1200mg calcium effective 82 167 not effective 137 59 find the marginal frequency distributions regarding effectiveness.
*December 15, 2013*

**statistic**

500 mg calcium supplement daily 1,200 mg calicum supplement daily Total effective 82 167 249 not effective 137 59 196 Total 219 226 445
*December 15, 2013*

**statistic**

500 mg calcium supplement daily 1,200 mg calicum supplement daily Total effective 82 167 249 not effective 137 59 196 Total 219 226 445
*December 15, 2013*

**statistic**

A medical study was conducted to determine if taking calcium is effective in reducing blood pressure. The results are shown in the table below. Use this information to answer questions 10–16. STATA 10. How many people does the data represent? (1 point) 11. Find the ...
*December 15, 2013*

**statistic**

A power model is shown below. Determine the residual for the observed data x = 7 and y = 70. stat answer question 9 (1 point) 71.37 1.37 1.85 –1.37
*December 15, 2013*

**statistic**

Many wildlife populations are monitored by taking aerial photographs. Information about the number of animals and their whereabouts is important to protecting certain species and to ensuring the safety of surrounding human populations. In addition, it is sometimes possible to ...
*December 15, 2013*

**statistic**

thanks
*December 15, 2013*

**statistic**

A linear model for a set of data was y = –20.6 + 9.72x and produced the following residual plot: [Xscl = 1, Yscl = 5] Scatterplot a) Predict the value of y when x = 7.5. b) Determine the residual if x = 5. (2 points)
*December 15, 2013*