Barbara

This page lists questions and answers that were posted by visitors named Barbara.

Questions

The following questions were asked by visitors named Barbara.

-26 + (-13) rewrite each expression without double signs then simplify

I need to be able to help my 8 year niece with her homework. I don't know Spanish. Need to have these questions translated, not answered. Can you help? Q1: Myra Compra una pecera y algo de equipo. Gasta $59 en la pecera, $125 en la bomba de aire y $38 en...

Need the two sentences translated, not answered, just translated: Hay 70 personas esperando en fila para comprar boletos para un concierto. Cuando se acaban los boletos todavia quedan 31 personas en la fila. ¿Aproximadamente cuántas personas consiguieron...

did Irish immigrants face glass ceiling, glass walls or glass escalator in the United States?

were Irish Immigrants to United States faced with environmental justice issues, redlinig, affirmative action, dual labor market, institutional or reverse discrimination, and double jeopardy?

what is the difference between democrats and republicans?

Compare and contrast the role that ethics and laws play within an organization.

The Excel file contains a WBS for a proposal to implement a PMO. Convert the WBS into a project plan. WBS for PMO Quick Start-Up Effort and Schedule (Estimates and Actual) Tasks to be Performed Actual Hours Estimated Hours Actual (Week-wise) Plan (Week-wi...

What is material culture in book ROBINSON CRUSOE by Daniel Defoe? Please give some example.

a.2,050 is what percent of 500? b. Estimate 41.2% of 2,500

Find the dimensions of the largest open-top storage bin with a square base and vertical sides that can be made from 108ft^2 of sheet steel. (Neglect the thickness of the steel and assume that there is no waste)

The position of two particles on the s-axis are s1= cos(t) and s2= cos(t+(symbol for pie)/4) a. what is the farthest apart the particles ever get? b. when do the particles collide?

This is my last question, when I usually get problems like this the volume would be there and I would be able to solve it but this question is very confusing. A spherical iron ball is coated with a layer of ice of uniform thickness. If the ice melts at th...

A particle starts at x=0 and moves along the x-axis with velocity v(t)=2t+1 for time t is less than or equal to 0. Where is the particle at t=4?

the integral sign where 4 is on top and 2 is at the bottom (x/2 + 3)dx and im trying to find the areas to evaluate the intrgral

What is the derivative of square root x ?

Oh pardon me i meant to ask what is the anti-derivative of square root x

Find the indefinite integral (integral sign) 3te^2tdt

In estimating- what is the counting-up method and the trade-first method?

20 cm equals how many mm?

Mr.wilinson carried his backpack 12kilometers and set up camp on the edge of cutthroat lake it took him 3 hours to get there from the trailhead how much work did he do on his backpack on the hike in?(1pound=453.7grams=4.1newtons)EXPAIN

Mr mcmurry takes 4327 sips of mountain Dew each day each time he takes a drink he moves the bottle 45cm to his mouth and another 45cm back to the table if the bottle has a mass of 567grams (5.1Newtins ) how much work does Mrmurry do during the day? How do...

What does Revellion mean?

a. What type of information does managerial accounting provide?

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....

The Gibbs Baby Food Company wishes to compare the weight gain of infants using their brand versus their competitor’s brand. A sample of 40 babies using the Gibbs products revealed a mean weight gain of 7.6 pounds in the first 3 months after birth. The sta...

performance appriasal

How does the understanding of development psychology helpful in these occupations? drama coach, park ranger, resturant owner and pharmaceutical manufacturer.

A local tire store suspects that the mean life of a new discount tire is less that 39,000 miles. To check the claim, the store selects randomly 18 of these new discount tires. When they are tested, it is found that the mean life is 38,250 miles with a sam...

please help me to calculate this. I have gotten everything else right but I am confused on calculation. r=6(1853)-(21)(516)I can do. It is the denominator that I am having a problem with. Square root[6(79)-(21)squared][6(44582)-(516)squared] I have worked...

Write a variable expression for 9 less than k

Suppose the marginal social cost of television sets is $100. This is constant and equal to the average cost of television sets. The annual demand for television sets is given by the following equation: Q = 200,000 – 500P2. If television sets are sold in a...

The measure of the compliment of an angle is 1/9th the measure of the angle. Find the measure of the angle

For three consecutive passes the football team gained 10 yards and then loses 23 yards and then gains 47 yards. What is the total net yardage?

For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size 3.

For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: A. a sample of 10 with a mean of 44. B.a sample of 1 with a mean of 48. The gener...

A normal population has a mean of 21 and a standard deviation of 5. Compute the z value associated with 24 What proportion of the population is between 21 and 24? What proportion of the population is less than 18?

The closing price of Schnur Sporting Goods, Inc., common stock is uniformly distributed between $17 and 35 per share. What is the probability that the stock price will be: More than $31? Less than or equal to $23?

Assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of $2,225 per hour and a standard deviation of $220. What is the operating cost for the lowest 5 percent of the airplanes?

when two fair dice are rolled find the probability that the sum is even and greater than 8

On a map, the length of a nature-center trail is 8.2 centimeters. If the scale is 3 centimeters to 24 kilometers, what is the actual length of the trail.

How many grams of AgNo3 are required to make 25 mL of a .80M solution?

what is the variance and standard deviation for the group of numbers: 28 27 48 52 77 29 30 31 60

A student score 78 on his statistics test where the average score was 90 the the standard deviation was 7.

1.What is the molarity of a solution of silver perchlorate, AgClO 4, if 3.2 moles of silver perchlorate are dissolved in 1.5 liters of water?

a) How would a too low molarity of NaOH affect the calculated molar mass of the unknown acid? b) How would it affect the calculated Ka of the unknown acid? If mistakenly calibrated pH meter using pH6 buffer instead of pH7 buffer, all ph meter readings wer...

2C2H6 +7O2 --> 4CO2 + 6H2O If 6 moles of O2 are used in the following reaction, how many grams of CO2 will be produced?

Zn + HCl --> ZnCl2 + H2 If 18 grams of Zn are used in the following reaction, how many grams of H2 will be produced?

MHS currently has $1,150,000 in cash. How long would it take them to accumulate $2,000,000 in cash? Assume an interest rate of 5%.

As*A= Man A Represent what number?

solve by the substitution method: 8m+n=47 m-5n=52 thank you having trouble completing please show all work so I can learn better

Need the formula to figure out the answer to question calculate the mass in grams of 4.08*10 negative 8 mol of neon

Each page of a book will contain 30 in squared of print, and each page must have 2 inch margins at top and bottom and 1 inch margin at each side. What is the minimum possible area of such a page.

An oil can is to have a volume 1000in^3 and is to be shaped like a sylinder with a flat bottom but capped by a hemisphere. Neglect the thickness of the material of the can and find the dimensions that will minimize the total amount of material needed to c...

simplify the following expression tan(sin^-1(2x))

what enent set precedence that alleviated the problem of having no law of succession in the empire

Lineing up the decimals then subtracting. 9.61-0.268 . I need to know how?

What literature do you consider to be part of the United States' current literary canon? Why?

If the pressure of 2.50ml gas were doubled from 0.500atm to 1.00atm what would be the gas volumn at the new pressure?

"annual raises must average 4% per department among 6 team members. No team member can get exactly 4%, and the raise must be at least 2% and no more than 6%." How do I start this?

if rock A is dropped from a cliff and rock B is thrown downward off the cliff, which of the two has a greater velocity?

What would 350 dollars at 5 % compounded semi annually for 40 years amount to?

Maria leaves her house to meet jane at the zoo. Jane lives further away than Maria and drives 8mph fatser than Maria. Their combined distance is 84 miles. If they both drive 45 minutes, find their average speeds.

Find the distance, d,across the river. Assume that the ratio of d to 90ft is the same as the ratio of 100ft to 50ft

During a semester, a student received scores of 76, 80, 83, 71, 80, and 78 on six tests. What is the student's average score for these six tests?

what is the limiting reactant if 0.10 moles Fe and 0.16 moles O2 react according to the reaction 4Fe +3O2 -> 2Fe2O3?

because words have human senders and receivers, they also have multiple intentions and interpretations. True or False

With respect to major rivers, the Mekong is to Vietnam as the Irrawady is to

What is my Astrological "Sun Sign" and how was it determine if I was born on August 12, 1953.

Why is it possible that the Sun may then have been in a different constellation than your "Sun Sign" on August 12, 1953.

Why is the portion of Venus opposite the direction of the Sun not apparent.

What type of spectrum is sunlight?

In which constellation is the Sun currently located?

parallel to 3x - 4y + 4 = 0 with the same x-intercept as y = 1/2 x -4

What is the interest due on $57,000 at 7 1/2% from June 2008 until today

find the domain of each rational expression in set notation. x^2-36 divided by 3x 7w-2 divided by 16w^2-1 Then do both rational expressions have excluded values in their domains? If yes, explain why they are to be excluded from the domains. If no, explain...

can you solve the quadratic function? y = 2x^2 + 3

If one measurement is known much more precisely than the other, the fractional error is the ratio of the absolute value of the difference (|M1-M2|), and the more accurate value. What is the percentage error of student A's measurement (37.2 cm long if it i...

Do wood float in gasoline and water?

If six blocks of wood were cut from the same board , would all the pieces of wood have the same density?

A cart on a linear track has a uniform acceleration of 0.172 m/s^2. What is the velocity of the cart 4.00 s after it is released from rest?

A lamp bulb is rated 100w. Why is a time factor not included in the rating?

What is the kinetic energy of a 1850 kg car that is traveling at 58.0 km/h? B. How much work was done to give the car this kinetic energy assuming the car starts from rest? C. How much work must be done to stop the car?

The length of a rectangle is 3 feet less than twice the width of the rectangle. If the perimeter of the rectangle is 144 feet, what is the length?

The length of a rectangle is 3 feet less than twice the width of the rectangle. If the perimeter of the rectangle is 144 feet, what is the length? am looking for the length, not the width. Thanks

The length of a rectangle is 3 feet less than twice the width of the rectangle. If the perimeter of the rectangle is 144 feet, what is the length? am looking for the length, not the width. Thanks I know the width is 25

A heat engine exhauts 122.0 kal after taking 499.0 how much mechanical work was done by the engine?

Why does a glass filled with a cold beverage seem to sweat? a. saturation always results in sweat on wet object. b. the cold glass adjacent air to saturation, which is followed by condensation of water vapor. c. when cold, water molecules can move through...

g(x)=6x^2+7, find g(c+5)=

sqrt. w^2+13, find A(0)

f(x)=|x+5|; f(a)=9 find smaller value and larger value

A(w) = sqrt. w^2+13, find A(4)=

A(w)= sqrt. w^2 + 13, A(-c)=

Q(t) = 5, if 0 ¡Ü t ¡Ü 5 −t + 7 if 5 < t ¡Ü 8 t − 1 , if 8 < t ¡Ü 11 Q(0)=__ Q(x),6< x <7=___ Q(n), 1< n <2 = ___

Bromine is a reddish-brown liquid. Calculate its density (g/mL) if 586g of the substance occupies 188 mL.

Consider these two sentences from Michaela: A) Age 4 years: "I miss you, Nana!" (spoken over the phone to her grandmother who had returned home after a visit). B) Age 4 years, 6 months: "I'm going to miss you, Nana" (spoken in person to her grandmother wh...

Lesson Plan for 3 year olds: See If I am doing it correctly. Goal: To teach how to recognize the first and last letter of their names. Objective: The children will identify and name the first and last letter of their names. Standards Include: Georgia Earl...

Janice walked around two sides of a square park. The perimeter of the park is 1,200 yards. How many yards did Janice walk? Explain your answer.

Answers

The following answers were posted by visitors named Barbara.

wher are you all from?

The nucleus is located at the core, or center.

Hi William, I see your full question. Do you know what countries your ancestors came from?

In reading I understood Orientalism as being a westerner writing about a people they did not know or understand. How important religion, government,and raising their children were unimportant because, the westerners had made up their minds before they sta...

1. Apple polishing 2. Scare tactics 3. straw man 4. wishful thinking 5. perfectionist fallacy 6. poisoning the well 7. "Argument" from outrage 8. Inconsistency ad hominem 9. hasty generalizing 10. red herring/smokescreen 11. post hoc 12. guilt trip 13. ar...

I am trying to find the derivative

Thank you very much

What do you mean by with respect to zero?

I have the rest but where did y^3 come from?

Well I am in AP Calculus and I don't understand the class to well.

Okay Thank You again

Ooo Okay and then after don't you bring all the (dy/dx) to one side of the equation.

After wouldn't it be x+y^3-3e^(3x)=2y(dy/dx)-3y^2(dy/dx)?

Okay Thank You I think I got the answer

Excuse me the volume equation for this problem is V=s^2 h?

Okay but now I'm confused because when I find the derivative of the volume I get dv/dt=2s(ds/dt) then I don't know the rest because I have to find the derivative for 108/4s -s/4 which equals to h but what would be its derivative?

ooo okay Thank You

so my answer would basically be 20

oh okay Thank You

so t less than or equal to 0 is invaild

I copied the problem out of my textbook

the velocity v(t)= 2t + 1

oh okay well Thank You for you help I will ask my teacher how to solve this tomorrow

I got 7 but the answer in the book says 21

Oh now I see Thank You

Oh pardon me i meant to ask what is the anti-derivative of square root x

Um I still don't get it because that hint was the derivative and I asked for the anti-derivative of square root x

Excuse you that DUH is not necessary and if I could use the calculator I would have used it but my teacher did not teach me to how to use the calculator for this so please mind your business

Thank You Damon, Reiny and Drwls for your help

but why does v=(1/2)e^2t

oooo okay Thank You

Ummm because I wasn't looking for help from you and of course I'm going to say Thank You because i have manners unlike you you don't have any and you don't address people that's looking for help form you like that so Goodbye and Have a nice day

Ben this is an opinion paper!!!!! Do the research on Dr. King and Malcolm X and determine which on YOU feel is the better leader.

It appears to me as if you want others to do your work for you. You obviously have access to a computer - use it!!! By the way, what grade are you in? This may account for your not being aware of the amount of resources available to you. However, since yo...

Exercise 7-9 Given the premises, discuss whether the conclusion of each argument that follows is (a) true beyond a reasonable doubt, (b) probably true, or (c) possibly true or possibly false. You should expect disagreement on these items, but the closer y...

Soldiers in WW 1 were nick named Tommies

This is how someone decides to buy the product, not the seven phases of product development..those are :Idea Generation, Idea Screening, Concept Development and testing, Business analysis, Beta or Marketing testing, technical implementation, and finally,...

I need help with Geletex VS jed

About the subject that everyone is talking about. I'm glad we finally got a president of a different ethic background. "Yes, I do feel he hasn't really helped us yet besides making everyone get medical coverage even if we can't afford it, letting our troo...

is it that simple? is there a formula like x + something?

I had the answer 34 I just wanted to know if I had done it correct. Thank you.

Bank Stmt Balance $4270.00 Add Rejected Checks 140.00 Deposited Checks 1650.00 Ending Balance $6060.00 Book Balance $4000.00 Add Checks Issued 2500.00 Cust Pd Direct 170.00 Dividend 250.00 Deduct Staples Order -700.00 Bank Charges -160.00 Ending Balance $...

Power Pointpresentation that describes environmental benefits and challenges of urbanization. In your own words, include descriptions of two 1996 award winners, discussing how they overcame one of the challenges mentioned in your presentation

100+87+95+125+210+250+57=924\7=132

Titration experiment to determine the molar mass and dissociation constant of a weak acid, using NaOH

All of the above

Office Market is having a sale on printer paper. If you buy 2 reams for $8.99 each, you will get a third ream free. Calculate the markdown percent. (Round the percent to the nearest tenth.) If the offer were changed to “Buy 3, Get 2 Free,” what would be t...

The cost will be the same so its 12.5

What type of lines does the solar spectrum show?

Age 4: I miss you, Nana! Behind Michaela's cognitive understanding of her first utterance; she understand some basic rules of grammar. Age 4 yrs., 6 months: I am going to miss you Nana. Michaela is using longer sentences. What additional cognition is reve...

The correct ask to question is C. I just took the test. I missed this question twice. 1. The library, is the quickest way to locate varied, reliable information for your research paper is to A. check the encyclopedias. B. search the card catalog for relat...

I believe that it is Clear skies and a sea breeze.

What happens to rocks after their elastic limits is passed.

(10^4)(26^2)=6,760,000

Descriptive statisticd

The question on a multiple choice test each have 3 answer choices. Describe a model that could use to simulate the outcome of guessing the answer to 25 question test

It's questions that a teacher gave me and said please try to make this up before Monday. I'm working part time in an Elementary school

It's based off chd270 class

Thank you for your answer. I have never taken the class. I want to work full time helping as a teacher's aide and this is one of 5 questions on a test she gave me

And what is your question? If it is a sentence from TOEFL test, your variant is correct.

If 2n=6, what property of equality is justified

Poor attitude towards work