# Dean

Most popular questions and responses by Dean-
## SS

Which of the following responsibilities are held by the federal government? Choose all that apply. (2 points) protecting national parks administering healthcare providing Social Security managing intercity traffic creating garbage collection services

*asked on October 5, 2016* -
## Geometry

Can you help me.the lengths of the sides of a triangle are in the extended ratio 3:10:12. The perimeter is 400cm. What is the length of the longest side in centimeters.

*asked on February 11, 2015* -
## Chemistry, Heat and Phase changes(general chem II)

From the data below, calculate the total heat (in J) needed to convert 22.00 g of icea t -6.00 C to liquid water at 0.500 C. melting point at 1 atm: 0.0 C Hfusion: 6.02 KJ/mol cliquid: 4.21 J/g C csolid: 2.09 J / g C My answer is about 300 J short of the

*asked on September 3, 2016* -
## Biology

Suggest why Ia and Ib alleles are dominant over Io allele. Why in IaIo genotype, the Io allele is masked

*asked on June 4, 2015* -
## History

What was the significance of the Battle of Tannenberg in World War I? The defeat of British forces shifted the Allied war focus to defeating the Ottoman Empire. The attack on civilians by German war boats during the battle led to the United States entering

*asked on October 18, 2018* -
## Chemistry

Potassium superoxide, KO2, is used for producing oxygen and removing carbon dioxide in selfcontained breathing units, space shuttles, and other enclosed spaces. First the potassium superoxide reacts with moisture to release oxygen and produce potassium

*asked on October 10, 2017* -
## Chem

in the reaction NO3+CaCl2=2AgCl+Ca(NO3)2, how many grams of excess will remain when 20 grams of AgNO3 are reacted with 15 grams of CaCl2

*asked on February 25, 2013* -
## Chemistry

What is the electron configuration of the element with 27 protons?

*asked on May 24, 2018* -
## Chemistry

A solution is prepared by dissolving 25.0 g of pure HC2H3O2 and 25.0 g of NaC2H3O2 in 700 mL of solution (the final volume). (a) What is the pH of the solution? (b) What would the pH of the solution be if 65.0 mL of 0.650 M NaOH were added? (c) What would

*asked on February 21, 2015* -
## Chemistry

What is the electron configuration of the element with 27 protons? Is it 1s2 2s2 2p6 3s2 3p6 3d7 4s2 or is that wrong?

*asked on May 24, 2018* -
## Accounting

E6-9 (a,b) Tiger Golf Accessories sells golf shoes, gloves, and a laser-guided range-finder that measures distance. Shown below are unit cost and sales data. Pairs of Shoes Pairs of Gloves Range Finder Unit sales price $100 $30 $250 Unit variable costs 60

*asked on April 30, 2012* -
## Biology

You are given the following protein sequence: NH2-Met-Trp-Trp-Met-Trp-Met-COOH What was the sequence of the mRNA? You must write your answer 5' to 3' direction, starting with the first nucleotide of the mRNA and ending with the last nucleotide of the mRNA.

*asked on November 2, 2010* -
## Math

$2,000 principal earning 3%, compounded annually, after 3 years.

*asked on October 21, 2016* -
## Pre-Algebra

A 9 foot ladder leans against a building at a point 7 feet above the ground. At what height would a 15 foot ladder touch the building if both ladders for the same angle with the ground? Propotion? But I just get a decimal...

*asked on January 5, 2010* -
## science

A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90 000

*asked on November 13, 2010* -
## Science

Which choice most accurately explains what happens to the bonds between atoms when water changes to steam, and what becomes of the energy added during this phase change? A. When water changes to steam bonds between molecules break apart. After reaching the

*asked on April 2, 2019* -
## Human Physiology

A subject with a body weight of 60 kg was injected with 10 ml of a 1% (w/v) solution of Evans Blue. After 10 min, the blood was sampled and found to contain 0.035 mg ml^-1 of the dye. What is the subject’s plasma volume in litres?

*asked on November 8, 2010* -
## Chemistry

Explain why a model of the atom is crucial to understanding chemistry and in explaining the behavior of matter.

*asked on May 24, 2018* -
## Accounting

Spencer Company manufactures and sells three products. Relevant per unit data concerning each product are given below. Product A B C Selling price $9 $12 $14 Variable costs and expenses $3 $9.50 $12 Machine hours to produce 2 1 2 Compute the contribution

*asked on April 30, 2012* -
## college

Which of the following would NOT be considered discrimination? 1. Sue believes poor people are criminals. 2. Sue refuses to give Jane a ride to work because Jane is poor. 3. Jane, who is poor, vandalizes the cars of rich people who she believes are snobs.

*asked on February 5, 2009* -
## Algebra

1. Tell whether x and y show direct variation. a. 5x - 3y = 0 b. x = y - 2 / 9 2. The variables x and y vary directly. Use the values to find the constant of proportionality and write an equation that relates x and y. a. y = 4; x = 6 b. y = 2; x = 10

*asked on May 6, 2015* -
## Chemistry

Using the reaction below, calculate how many grams of bromine gas are necessary to produce 1.00mL of hydrogen bromide gas at STP. H`2 + Br`2 -> 2 HBr where `2 is a subscript two.

*asked on March 10, 2008* -
## Physics

A tiny source emits sound uniformly in all directions. The intensity level ar a dist. Of 2m is 100dB. How much sound power is the soure emitting?

*asked on April 17, 2015* -
## Physics

Suppose you had a circuit with three resistors in series and you measured I=7.0 milliamps; V = 14.7 volts; V1= 3.5 volts and V2 = 1.4 volts. What would be the voltage across the third resistor? What would its resistance be?

*asked on February 18, 2015* -
## CRIMINAL JUSTICE

Discuss the three types of management styles that are reviewed in your course materials (Scientific Management, Human Relations Management, and Systems Management). * Which style do you believe would be the most effective to use in the criminal justice

*asked on February 8, 2011* -
## math

Select all the expressions that are equivalent to 10w - 8 + 6 - 4w. 2(3w - 1) (6w + 3) + (2w - 7) 6w - 2 (11w - 1) - (5w + 3) 3w + 7 + 3w - 9 14w + 14 2(5w + 7)

*asked on September 7, 2017* -
## Math

A company has factories located in New Jersey, Ohio, and Georgia where it manufactures handbags, shoes, and belts. How many days should the company operate each factory in order to exactly fill the order of 2150 handbags, 2300 shoes and 2500 belts? Use the

*asked on February 22, 2011* -
## sociology

#1. Although it does not endorse traditional gender roles, which sociological perspective implies that dividing tasks between spouses is beneficial for the family unit? A. Functionalist perspective B. Conflict perspective C. Interactionist perspective D.

*asked on February 5, 2009* -
## statistics

What sample size is required from a very large population to estimate a population proportion within 0.05 with 95% confidence? Don't assume any particular value for p. A. 271 B. 38 C. 385 D. 767

*asked on June 19, 2013* -
## calculus

Evaluate integral from -2 to 3 of 4 lxldx

*asked on December 10, 2011* -
## Philosophy

Choose the pair of words/phrases among the choices that exhibits the same logical relationship as the words/phrases in the following pair. building : blueprint (Points : 1) ship : sea cake : recipe bridge : island guitar : song

*asked on October 24, 2010* -
## sociology perspective

Every four years in the United States there is a presidential election, and after the election, nearly half the population readily accepts the leadership of the person for whom they did not vote. This is an example of: egalitarian authority charismatic

*asked on February 12, 2009* -
## sociology perspective

A person is hiking in the Canyonlands of Utah, and she realizes that the beautiful panorama that is unfolding in front of her could not have happened by accident; there must have been some wonderful plan and power that created this and many other wonderful

*asked on February 10, 2009* -
## yr 8 - spanish

una mocha ,un estuche, un cuaderno ,un libro ,unos boligrafos ,unos lapices, un sacapuntas ,un diccionario ,una goma, una regla, una agenda, una carpeta. no tengo , tengo thanks have just started spanish at school and i am a bit stuck with my homework

*asked on September 20, 2008* -
## science

this is a follow up question from my last one with the exact question If you dissolve 200 g of salt in 20 l of water, what is the density of that solution of salty water? Hint: In this particular example, assume that the total volume doesn’t change when

*asked on February 25, 2017* -
## stati

12. Suppose 80% of students finish high school. Of them, 50% finish college. Of them, 20% get a master’s degree. Of them, 30% get a Ph.D. (i) What percentage of students get a Ph.

*asked on November 24, 2011* -
## sociology

Which of the following would be the best illustration of the expressive role in U.S. society, as developed by Talcott Parsons and Robert Bales? 1. A newly married woman keeps a spotless apartment and cooks beautiful gourmet meals. 2. On Saturday, Bill does

*asked on February 5, 2009* -
## last 4 art questions

1. Connoisseurship was a process in 19th century architecture. a. true b. false 2. Landscape architecture flourished in the late 18th century. a. true b. false 3. Jacques-Louis David was the leading force in French painting during the revolutionary and

*asked on February 5, 2009* -
## math

Translate the following statement to an inequality. Then, find the solution. Three times the sum of a number and five is greater than or equal to negative six. n ≥ -7 n ≤ -7 n ≥ -3 n ≤ -3

*asked on September 6, 2017* -
## Physics

Suppose you had a circuit with three resistors in series and you measured I=7.0 milliamps; V = 14.7 volts; V1= 3.5 volts and V2 = 1.4 volts. What would be the voltage across the third resistor? What would its resistance be?

*asked on February 17, 2015* -
## physics

A block with mass m = 24.0 kg slides down an inclined plane of slope angle 41.4 ° with a constant velocity. It is then projected up the same plane with an initial speed 3.80 m/s. How far up the incline will the block move before coming to rest?

*asked on February 22, 2014* -
## statistics

A woman and her son are debating about the average length of a preacher's sermons on Sunday morning. Despite the mother's arguments, the son thinks that the sermons are more than twenty minutes. For one year, he has randomly selected 12 Sundays and found

*asked on June 19, 2013* -
## Physics

A 170 -pF capacitor is connected in series with an unknown capacitance, and as a series combination they are connected to a battery with an emf of 25.0 V. If the 170 -pF capacitor stores 135 pC of charge on its plates, what is the unknown capacitance?

*asked on March 2, 2012* -
## algebra

write a linear equation to model the situation. Use unit analysis to check your model. You borrow $40 from your sister. To repay the loan, you pay her $5 a week.

*asked on January 4, 2011* -
## algebra

it has been found that the world record for the men's 10,000 meter run has been decreasing steadily since 1950. the record is approximately 28.7 minutes minus 0.05 times the number of years since 1950. assume the record continues to decrease in this way.

*asked on October 9, 2010* -
## Algebra

"Do the two inequalities have the same solutions? Wriet yes or no. -5x > 0 x > 0 Solve each inequality and ch eck your solution. 9x > 81 help please? -thanks

*asked on May 10, 2010* -
## how children learn

which of the following questions ia a thinker/doer most likely to ask?

*asked on December 14, 2009* -
## 7th grade Pre-Algebra

OK !! I've asked for help so much, I've been on this site for 2 hours, and I still havent got what I wanted, :\ "Represent each expression using positive esponents" e^-4 f Would it just be 1/e^4f?

*asked on September 22, 2009* -
## opinion sociology

Sociology perspectives!? 1. Although it does not endorse traditional gender roles, which sociological perspective implies that dividing tasks between spouses is beneficial for the family unit? A. Functionalist perspective B. Conflict perspective C.

*asked on February 6, 2009* -
## Human Body Types

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

*asked on June 23, 2005* -
## Chemistry

If an element has 12 protons and 17 neutrons, how many electrons does it have? I think the answers twelve but I'm not sure?

*asked on May 24, 2018* -
## physics

A balistic pendulum is made from a block of wood with a mass of 2.78 kg. A bullet with a mass of 39 g is shot into the block causing it to rise 29.1 cm. What was the speed of the bullet?

*asked on February 9, 2014* -
## Surveying

I am looking for horizontal distance between 2 points. My slope distance is 153.97' and a vertical distance of 91degrees 32minutes 45seconds.

*asked on September 21, 2013* -
## Accounting

Imagen Arquitectonica of Tijuana, Mexico is contemplating a major change in its cost structure. Currently, all of its drafting work is performed by skilled draftsmen. Alfredo Ayala, Imagen's owner, is considering replacing the draftsmen with a computerized

*asked on April 30, 2012* -
## Physics

The figure below shows a standard man intending to do reverse curls in a gym (standing up with Tension up, weight of arm down and force down). He holds his arms straight, using an overhand grip to hold the bar. If the mass of the bar is given as 146 kg,

*asked on October 2, 2009* -
## calculus

Find the length of the curve given by the equation y= intergral from -pi to x of sqrt(cos(t)) dt for x between -pi and pi. I think I know to do this- at least part of it. I am using the fundamental theorem of calculus and the arc length formula, but I

*asked on August 2, 2017* -
## math

Two digits over two digits equals three digit decimal (_.__) Can only use 0-9 once

*asked on October 3, 2016* -
## Life orientation

Give five consequences that xenophobia have on comunities.

*asked on May 14, 2015* -
## chemistry

Calculate the volume 2.3g of oxygen gas at 28 degrees celcius and 2.321 atm

*asked on March 12, 2015* -
## Math

Need help with this. A concrete path of width 1m and thickness 10cm is to be placed around you pool. Find the number of cubic meters of ready mixed concrete required to lay the path. Additional Info: pool area is 25.75 without concrete around it. I have

*asked on March 8, 2015* -
## physics

A block of wood with a mass of 4.62 kg sits on the edge of a table that is 0.99 m tall. A bullet with a mass of 70.5 g traveling with a speed of 450 m/s is shot into the block and is lodged in it. Assuming that no energy is lost to friction, how far from

*asked on February 9, 2014* -
## statistics

assume you have a data set from a normally distributed random variable. answer the following: will the random variable be discrete, continuous, or neither? How do you know? I believe its continuous but cant explain why will the data be qualitative or

*asked on June 29, 2013* -
## math

how to go by doing a personal cash flow statement is it like the regular budgetfor your house.

*asked on April 12, 2013* -
## Algebra

The volume of it is 1125 cubic inches, the length is 18 inches, and the width is 15 inches. Can you also show me how to do because I have a test on Friday! Thanks!!! :)

*asked on March 5, 2013* -
## math

how many ways can you arrange three banks on a shelf

*asked on August 13, 2012* -
## math

if a 1100 lb motorcycle(w/2 passengers)is doing 40mph,how long will take to come to a complete stop?

*asked on March 31, 2012* -
## algebra

Find the slope, if it exists x+5y=10

*asked on May 24, 2011* -
## Spanish

Me gusta ver el ____ de b`eisbol No puedo jugar Estoy ___ ocupado Vamos a la ___ de cumplean~os de paco help on these last three please?

*asked on September 12, 2010* -
## government

what is Third way urbanism?

*asked on May 1, 2010* -
## Physics

a) A microphone has an area of 5cm^2. It receives during a 4.0 s time period a sound energy of 2.0*10^-11 J. What is the intensity of the sound? b) using intensity from a) what is the variation in pressure in the sound wave, delta P ? Use T=293 K and

*asked on February 21, 2010* -
## Pre-Algebra

Directions: Find the missing measure of each angle How do I do this? It's a triangle, angle one 2x + 15 x 45degrees

*asked on February 3, 2010* -
## Pre-Algebra

Please help me. Thanks It's Pythagorean Theorem: A boot leaves port and travels 18 miles north and 15 miles east. How far from port is the boat? I have drawn a picture, 15² + 18² = c² ²= squared. Thanks... meh please someone help mewith this, thanks.

*asked on January 14, 2010* -
## Pre-Algebra

Well, this problem is really stumping me, so here it is. Directions: In each problem, first draw a picture of the situation to the right of the problem. Then decide whether the problem involves measuring length or area growth to help you answer the

*asked on January 5, 2010* -
## Pre-Algebra

Can I have someone check this please? I wouldn't want to do the whole page, then find out I had done them all wrong. :( [Percents of Change] A $100 digital watch is now $72 Decrease, 72/100 = negative percent. 100/72.00 = .72 .72 - 1 = 30%? Thanks. 30% is

*asked on October 27, 2009* -
## Pre-Algebra

Is this correct? If I'm mistaken, please correct it for me, and show me how. Thanks. [Fractions, Decimals, and Percents.] 33 & 1/3 of $90 = $21.00 100% of 500 = $500 1% of 500 = $5.00 50% of 70 = $35.00 100% of 70 = $70.00 Thanks, you don't have to tell me

*asked on October 25, 2009* -
## 7th grade Pre-Algebra

Find each Product. 8(-5x) Do I just do 8 x -5 = _n ?

*asked on September 14, 2009* -
## algebra

suppose that D+E=A, that N/A=.25 and that D/A=0.15. Solve for N/E.

*asked on August 27, 2009* -
## ART HISTORY

Realism by 1860 had lost its political meaning and became also known as A.genre B.naturalism C.minimalism D.humanism its not genra, that is a type or catagory of the form of painting. naturalism is appearence to imitate nature minimalism sounds right to me

*asked on February 5, 2009* -
## art history

Realism by 1860 had lost its political meaning and became also known as A.genre B.naturalism C.minimalism D.humanism

*asked on February 5, 2009* -
## physics

A stone is rotated steadily in a horizantal circle with a period T by a string of length L. If the tension in the stringis constant and L increases by 1% find the percentage change in T.

*asked on October 16, 2008* -
## Geography

What government imposed barriers stop or hinder the export of automobiles?

*asked on January 21, 2008* -
## Algebra - College intro

I'm having trouble learning "Solving systems of equations by graphing". Can you show me how to do the following problem? X + Y = 2 X - Y = 0 Solve the system. I know it should be easy, but for some reason I just don't see it.

*asked on July 12, 2008* -
## science

If I dissolve 200g in 20 litre of water what is the density of the salty water. please help

*asked on February 25, 2017* -
## Geograph

Where is Indonesia ?

*asked on March 8, 2015* -
## question/curiousity

A nurse decides to write a book, and a lawyer decides to illustrate the book.. what do the two have in common? my ans: Two potentially turn a hobby into a second career?

*asked on February 11, 2015* -
## physics

Buffy is rolling along in her 12.7 kg wagon at 3.6 m/s (in the positive direction) when she jumps off the back. She continues to move forward at 1.2 m/s relative to the ground. This causes her wagon to go speeding forward at 9.51 m/s relative to the

*asked on February 9, 2014* -
## finance

what is the future value of $2,000 in a bank account for 6 years at 4 percent compounded bimonthly

*asked on August 1, 2012* -
## math

a boy buy a bike for 45$ then sells it for 65$ then buys it back for 90$ then sells it agian for 125$ what percent of money did he make

*asked on January 12, 2012* -
## statistics

Assuming that the data are normally distributed with a mean of 45 and a standard deviation of 3.25, what is the z-score for a value of 40?

*asked on October 20, 2011* -
## MATH HELP HELP HELP HELP HELP BOBOBOBOBOBOBOBOBOB

Let a = 349, M = 492186. Show that gcd(a;M) = 1. Hence find the mutliplicative inverse, a^-1 mod M

*asked on May 9, 2011* -
## 8th grade

Solve 3r + 18 ¡Ü 6r

*asked on December 11, 2010* -
## Biology

During skeletal muscle contraction: Choose one answer. A. the A and I bands do not change length. B. cross bridges are formed between myosin and actin. C. minimal tension can be generated when the muscle is close to its normal resting length. D. the

*asked on November 7, 2010* -
## Calculus

A kicker is setting up for a field goal. The goal is 120 feet away and 10 feet high. The kicker can give an initial speed of 75 ft/s to the ball. What range of angles of elevation are possible to kick the ball so it passes over the goal?

*asked on October 6, 2010* -
## Philosophy

What are the differences between phenomenal and noumenal worlds?

*asked on April 16, 2010* -
## skills for the effective teacher aide

Acc to the SMCR model, problems in communication can arise when the speaker fails to do what?

*asked on December 14, 2009* -
## 7th grade Pre-Algebra

Factor each number completely 110 480 I don't know how to do factor tree's, they're tricky, :\ Please help

*asked on September 29, 2009* -
## 7th grade Pre-Algebra

Using the definition, 10(to the negative sixth power) = 1/10to the six power and x(negative2) = 1/xto the second power The definition also shows that 1/10to the six power = 10to the negative 6th power and 1/xto the 2nd power = x(negative2) I think that's

*asked on September 22, 2009* -
## 7th grade Math

I have two questions for math. How do I add/subtract an integer Please give me full notes, or webpage please. Also, my teacher said 10-20E (Problems in book we have to do) Is that evens? because the odd answers are in the back of the text book Thanks,

*asked on September 14, 2009* -
## 7th Grade Math

{Decimals} Hi, I'm stuck on these problems, and I asked my family members, they don't know, so I've come to you, community! Please help, thanks. Directions: Round each decimal to the underlined place-value position. 4.2974 (seven is the underlined number)

*asked on September 10, 2009* -
## revised sociology question

Sociology perspectives!? 1. Although it does not endorse traditional gender roles, which sociological perspective implies that dividing tasks between spouses is beneficial for the family unit? A. Functionalist perspective B. Conflict perspective C.

*asked on February 6, 2009*

## Pages

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