# betty

Popular questions and responses by betty-
## physics

A stone tied to a string is made to revolve in a horizontal circle of radius 4m with an angular speed of 2 radians per second .with what tangential velocity will the stone move off the circle if the string cuts?

*asked on June 29, 2020* -
## Statistics- HELP!

2. The Rathburn Manufacturing Company makes electric wiring, which it sells to contractors in the construction industry. Approximately 900 electric contractors purchase wire from Rathburn annually. Rathburn's director of marketing wants to determine

*asked on February 11, 2013* -
## English

Explain how The Federalist Papers would have been more or less successful if newspapers had been printed monthly (rather than daily or weekly).

*asked on March 6, 2010* -
## English II

What is the literal meaning of this poem? Into my heart an air that kills From yon far country blows: What are those blue remembered hills, What spires, what farms are those? That is the land of lost content, I see it shining plain, The happy highways

*asked on May 8, 2010* -
## physics

In these figures, we see a boy named Billy riding a carnival ride called the Rotor and the free-body diagram for the forces acting on him. What must be the magnitudes of the vectors (f)wall,Billy and (W)Earth,Billy if Billy remains at the same height along

*asked on October 2, 2016* -
## insurance

of 500 employees a firm 280 have a life insurance policy, 400 have a medical insurance cover and 200 participate in both programmes. what is the probability that a randomly selected employee will be a participant in at least one of the two programs (ii)

*asked on March 10, 2016* -
## college chemistry

A diving bell is a container open at the bottom. As the bell descends, the water level inside changes so that the pressure inside equals the pressure outside. Initially, the volume of air is 8.58 m3 at 1.020 atm and 20°C. What is the volume at 1.584 atm

*asked on December 10, 2011* -
## physics 2

A simple pendulum is 8.00 m long. (a) What is the period of small oscillations for this pendulum if it is located in an elevator accelerating upward at 3.00 m/s2? (b) What is the period of small oscillations for this pendulum if it is located in an

*asked on August 24, 2017* -
## Math

The base of a pyramid-shaped tank is a square with sides of length 12 feet, and the vertex of the pyramid is 10 feet above the base. The tank is filled to a depth of 4 feet, and water is flowing into the tank at the rate of 2 cubic feet per minute. Find

*asked on February 14, 2016* -
## English

How do I write a paragraph naming three possible agendas and one example of each that you might find in the media?

*asked on March 16, 2010* -
## Math

Solve for x, 6e^(x) - 4e^(-x)=5

*asked on October 29, 2018* -
## Pharmacy Math

If you diluted 95ml of a 7% benzocaine lotion to 5% how much could you produce? ___

*asked on July 30, 2012* -
## physics

A force of magnitude 7.50 N pushes three boxes with masses m1=1.30kg m2=3.20kg, and m3=4.90kg. find the magnitude of the contact force between boxes 1 and 2. find the magnitude of the contact force between boxes 2 and 3.

*asked on March 5, 2011* -
## health care

you are a manager of a variable hospital department and you just received your monthly budget results that state that your salaries were higher and your supplies were lower than budgeted. Explain what factors you should consider when writing your variance

*asked on August 20, 2010* -
## English

Subject cannot automatically limit which of these? intended audience intended purpose whether a message is timely whether a message is topical whether a message is effective

*asked on March 13, 2010* -
## math help please

a plane intersects a square pyramid perpendicular to its base but not through a vertex.The plane forms a cross section what is the shape of the cross section a)trapezoid b)triangle c)square d)rectangle

*asked on March 9, 2016* -
## english

What is wrong with these sentences. 1.A copy of Moby !@#$%^& and a magazine has disappeared from my room. Not only the muffler but also the spark plugs need to be replaced. I am wondering what is wrong in each of these sentences.

*asked on July 24, 2009* -
## ALGEBRA 2

THERE ARE 6 PEOPLE IN A GARDENING CLUB. Each gardener orders seeds from a list of 11 different types of available seeds. What is the probability that at least 2 gardeners order the same type of seeds?

*asked on February 24, 2009* -
## Math

? Which of the following statements best describes the graph of-5x + 2y O It is a curve joining the points -5x-2y=1?

*asked on July 5, 2019* -
## Culture

Can you think of some examples of behavior that seem challenginf to you but may be culturally appropriate for a child.

*asked on February 20, 2018* -
## Early Childhood Education

I am so unclear how did do this assigment Choose two different countries and write about the differences parents might have in dealing with the following scenario. In your writing (one to two pages), list the three things a parent may do differently in one

*asked on January 30, 2018* -
## Math

1.The actual distance between two cities is 135 km the map scale is 1 cm:100 km. Find the map distance. A)13.5 B)1.35////My answer//// C)0.135 D)1350 2. On a map of New Mexico, 1 cm represents 45 km. The distance from Albuquerque to Santa Fe is 2 cm. Find

*asked on November 14, 2017* -
## math

solve the proportion 4/5=x/27

*asked on November 13, 2017* -
## Physics

A 100g piece of ice at 0 degrees celcius is placed into a container holding 200g of water, initially at temperature 25 degrees celcius. Heat flows from the water to the ice, cooling the water and melting the ice. Calculate a) how many moles of ice and how

*asked on November 4, 2015* -
## chemistry

If you add 8g of benzoic acid to 92g of an ointment base, what is final concentration (w/w) the product? _______________

*asked on July 29, 2012* -
## algebra

Find the accumulated value of an investment of $10,000 for 3 years at an interest rate of 6% if the money is a)compounded seiannually,b)compounded quarterly, c) compounded monthly, d) compounded continually

*asked on February 1, 2012* -
## College Algebra

Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by . a) What was the average score when they initially took the

*asked on February 1, 2012* -
## chemistry

The density of sulfuric acid, is 15.28 lb/gal. What is the density of sulfuric acid in grams per milliliter?

*asked on January 17, 2012* -
## 20th century american History

Why was the Industrial Revolution a major agent of change for the United States and the world?

*asked on February 25, 2011* -
## English

How do I start out writng a paragraph on a subject, Food Safety? * Subject: food safety * Occasion: aftermath of an outbreak of sickness at fast food restaurants due to tainted meat * Audience: FDA (agency that manages food safety) * Purpose: Persuade

*asked on March 13, 2010* -
## Precalculus

Let f(x)=1/x and g(x)=x^2 + 5x. a. Find (f*g)(x) b. Find the domain and range of (f*g)(x).

*asked on September 9, 2018* -
## Precalculus

Inverse of f(x)=(1/4x)+2

*asked on September 8, 2018* -
## Early Childhood Education

Substance abuse during pregnancy Emotional and behavior disorders Write a two-page double-spaced paper describing the risk factors involved and the possible outcomes for the child who is exposed to this particular type of risk. How might this risk factor

*asked on January 22, 2018* -
## Antidifferentiation

1. A stone is tossed upward with a velocity of 8m/s from the edge of a cliff 63 m high. How long will it take the stone to hit the ground at the foot of the cliff? Using antidifferentiation method, I got dv=-9.8dt. The I integrated and got

*asked on February 17, 2016* -
## Math

Find quadratic regressive equation for the following f' points; (x, f'(x)): (-4,74); (-3,39); -2,10; -1,-6; 0,-14; 1,-12; 2,0; 3,22; 4,55 It's something really complicated, and I'm later asked to find the original equation, which is a cubic function. Any

*asked on February 9, 2016* -
## Math

1. 1. A police cruiser approaching a right-angled intersection from the north, is chasing a speeding car that has turned the corner and is now moving due east. When the cruiser is 0:6 miles north of the intersection and the car is 0:8 miles to the east,

*asked on February 7, 2016* -
## statistics

A lottery uses 4 urns containing chips 0 to 9. One chip is selected at random from each urn. How many sample points are in the sample space?

*asked on January 18, 2014* -
## MATH

A camping store put in an order for flashlights and sleeping bags. The number of flashlights ordered was 3 times the number of sleeping bags. The flashlights cost $12.00 each, and the sleeping bags cost $45.00 each. If the total cost for the flashlights

*asked on February 11, 2013* -
## Venn Diagrams

P(Z)= .40, P(Y)=.30, P(Z ⋃Y)=.58 Find the following: P(Z’ ⋂Z’) P(Z’⋃ Y’) P(Z’⋃ Y) P(Z⋂ Y’)

*asked on February 8, 2013* -
## Pharmacy Math

75g of active agreement powder is mixed with 300 ml normal saline. What is the final percent strength(w/V)? ____________

*asked on July 29, 2012* -
## calculus

An oil can is to be made in the form of a right circular cylinder to have a volume of 16 pie inches cubed. Find the dimensions of the can that requires the least amount of material

*asked on November 17, 2011* -
## chemistry

How do you calculate the number of grams of solute in 0.250 L of 0.175 M \rm KBr?

*asked on September 18, 2010* -
## English

Give four characteristics of standard English.

*asked on May 25, 2010* -
## English II

One way to make the overall message of this article more objective would be to. Select all that apply remove the quality statements make more quality statments add alternative opinions remove any inaccurate information none of the above

*asked on March 22, 2010* -
## chemistry

22.0 ammonium chloride decomposes to form hydrochloric acid, and ammonia. at the conclusion of the reaction, the scientist collects 10.24L of ammounia measured at 52 degrees Celsuis and 105.3 kPa. What was the percent yield of the reaction? Write the

*asked on February 20, 2007* -
## History

Why the Hewett treaty had a disastrous result on Ethiopia?

*asked on December 25, 2019* -
## History

two main challenges to policy of emperor tewodros

*asked on December 11, 2019* -
## ADHD

An article about a child having ADHD?

*asked on October 6, 2019* -
## early childhood education

Reggio Emilia children are free to choose from a variety of activities prepared by the teacher. These activities often emerge from the children’s interests A.Montessori curriculum B.Learner-directed curriculum C.congitively oriented curriculum d. direct

*asked on September 26, 2019* -
## Math

a girl walks from a point A to a point B,20Km Away From A In Northeast Direction And WalkS To a point C on the bearing of 125degree,she is 80km away from the starting point,find her bearing from the starting point

*asked on June 9, 2019* -
## Precalculus

Determine the domain of (f/g)(x) when f(x) = 1/x and g(x) = sqrt(x+5). I have the domains of both functions and I know how to set up (f/g)(x), but I don't know where to go from there. (f/g)(x)= (1/x)/(sqrt(x+5)) domain of f(x) = (-∞,0)-(0,∞) domain of

*asked on September 8, 2018* -
## Early Childhood Education

I am writing a paper about Emotional and behavior disorders I am not sure the website in my paper. I would be good ones to use my the possible outcomes for the child who is exposed to this particular type of risk. How might this risk factor impact the

*asked on January 23, 2018* -
## Chemistry

Identify the precipitate(s) of the reaction that occurs when a silver nitrate solution is mixed with a sodium chloride solution. Check all that apply. silver nitrate sodium chloride sodium nitrate silver chloride

*asked on October 5, 2016* -
## math help please

a plane intersects a right rectangle prism perpendicular to its base .The plane forms cross section.What is the shape of the cross section? a)parallelogram,that is not a rectangle b)triangle,that is not equilateral c)trapezoid d)rectangle

*asked on March 9, 2016* -
## Calc

The figure shows the graph of f(x)=xe^x, x greater than or equal to 0. figure: f(x) curve is drawn and under the max. point/ concave down curve there is an inscribed rectangle. with width from a(left) to b(right) and height up to a certain point of f(x).

*asked on February 14, 2016* -
## math

describe a single translation that would result from moving a figure,2 units left and 1 unit down then 5 units right and six units up

*asked on February 10, 2016* -
## Math

What is the ninth term of the following geometric sequence? a4=27 a7=64 a9=

*asked on April 21, 2015* -
## math

if a car passes mile marker 2 in 4 hours and a mile marker 125 in 6 hours, how many miles per hour is the car traveling?

*asked on February 2, 2015* -
## math

4.5 by 6.12 original drawing want to increase size to 18 by 24. How do I do it?

*asked on October 21, 2014* -
## Probability

An Adviser has 9 products he wants to tell a client about, but only has time to tell him about 4. How many different ways can he give the details on 4 different products to the customer?

*asked on February 9, 2013* -
## Statistics

An Adviser has 9 products he wants to tell a client about, but only has time to tell him about 4. How many different ways can he give the details on 4 different products to the customer?

*asked on February 8, 2013* -
## Trigonometry

What is the period and asymptote in y= tan(2x-pi)

*asked on February 3, 2013* -
## Physics

The average human has a density of 950 kg/m3 after inhaling and 1018 kg/m3 after exhaling. (a) Without making any swimming movements, what percentage of the human body would be above the surface in the Dead Sea (a lake with a water density of about 1230

*asked on June 25, 2012* -
## math

on november 1, the holiday house store marked up a $50 decoration by 30%. On November 28, the decoration was marked down 10%. It was marked up 20% on sales on December 1. Finally it was marked down 70% on December 26. Find the final selling price

*asked on February 5, 2012* -
## college algebra

Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by S(t) = 68 - 20 log (t+1), t > 0

*asked on January 31, 2012* -
## chemistry

Calculate the morality of the solution 0.450 mol of Na2S in 1.75 L of solution

*asked on November 7, 2011* -
## Trig

Given sin theta = -3/5 and 0 is in quad 2, find Cos theta and tan theta

*asked on September 21, 2011* -
## chemistry

How many milliliters of 1.50 M \rm KOH solution are needed to provide 0.140 mol of \rm KOH

*asked on September 18, 2010* -
## English II

Explain how The Federalist Papers would have been more or less successful if newspapers had been printed monthly (rather than daily or weekly

*asked on August 15, 2010* -
## math

a. Separate the fractions; 2/6, 2/5, 6/13, 1/25, 7/8, and 9/29 into two categories; those that can be written as a terminating decimal and those that cannot. Write an explanation of how you made your decision. b. orm a conjecture about which ractions can

*asked on August 2, 2010* -
## English

The popularity of blogging isan example the public producing the media the public regulating the meadia or could the answer be both above

*asked on March 11, 2010* -
## English

In your opinion, does the Fairness Doctrine violate freedom of the press or freedom of speech? Why or Why not?

*asked on March 8, 2010* -
## college english

What is a another word for solitude? I check the thesaurus, but I am not sure which one of them is the best fit. As in "In the solitude of Keith's room"

*asked on October 22, 2009* -
## english writing

Is this a could sentence with good punctuation in use of it. Behind my house is a tall, blue spruce tree.

*asked on August 10, 2009* -
## english writing

Does this sentence sound alright with a correct apostrophe used in it. It's up to you to decide what to do.

*asked on August 10, 2009* -
## English Comp.

Please check for errors. If there are any, please state them at the end of my essay. Please help me out because it is do at 3 today. Neat vs. Sloppy Many people will consider themselves a very neat person, but are they really neat or sloppy? Often, people

*asked on July 13, 2009* -
## math

what is 11/12 divide by 5/6 what is 12 2/5 divde by 5 1/6 whole numbers 12 and 5 To divide by a fraction, multiply by the inverse. 11/12 divided by 5/6 = 11/12 * 6/5 For the second problem, change both from a mixed fraction first. 12 2/5 = 62/5 You should

*asked on November 24, 2006* -
## Question

Am I PUNCTUATING THIS SENTENCE CORRECTLY? Have you read the article entitled"Increase Your Vocabulary"? Do Place a comma after the word entitled? Do I Underline the title of the article? It's punctuated just fine, except you need a space between entitled

*asked on October 18, 2006* -
## Chemistry

How can we calculate the freezing point of a solution with in a given mass of a solution compound

*asked on November 14, 2019* -
## Education

I am a little confused about what the question means by this What are some possible consequences or repercussions of the issue or situation on a child?

*asked on October 10, 2019* -
## Education

What would be some teaching approaches that could be adjusted to meet the needs of a child whose family is involved in a disability?

*asked on October 10, 2019* -
## Life

What one way you use self-regulation in your life?

*asked on September 3, 2019* -
## Algebra

DESCRIBE THE CONGRUENCE TRANSFORMATION BETWEEN THE TWO TRIANLGES AS A SLIDE, A FLIP, OR A TURN. tHEN NAME THE CONGRUENT TRIANGLES.

*asked on May 23, 2019* -
## Language translation

Can anyone please help me translate to chinese? Last May 10, 2019, Huawei made their Moms Proud by celebrating Mother’s Day early. Flower Walls were installed to different building lobbies to add beautiful background o the selfies and group photos of the

*asked on May 14, 2019* -
## Criminal Investigation

What is the difference between strategic and tactical intelligence? I kind of have an overall, general view of these two. Strategic involves long range planning while tactical involves immediate, here and now. But I need more of a simple explanation.

*asked on January 25, 2019* -
## Math

For question 1-2 estimate the sum or difference. use the bench marks 0 1/2 and 1 1. 23/40 - 11/30 2. Simone measures the width of one cardboard strip as 1/2 yd. A second cardboard strip measures 5/6 yd in width estimate the combined width of the cardboard

*asked on December 10, 2018* -
## Math

Use long division to find the remainder when f(x)=3x^5-7x^3-11x^2+2 is divided by x-2.

*asked on October 3, 2018* -
## Biology

Mucin is a glycoprotein found in mucus that increases its viscosity. Carbohydrates are added to mucin in which of these structures? cytoplasm Golgi apparatus nucleus rough er So I think it's the Golgi apparatus or the rough er, since they both help with

*asked on October 1, 2018* -
## AP Biology

Although terminally differentiated cells do not divide, the nuclei in these cells are still that site of what important function? Carbohydrate synthesis DNA synthesis mRNA synthesis protein synthesis

*asked on October 1, 2018* -
## Childhood Education

There is a fine line between guiding children's problem solving and interfinf with their self discovery. I am think f

*asked on September 19, 2018* -
## Precalculus

Find the inverse of g(x)=(1/3x)-7 and then find its domain and range. I already found the inverse of the function.

*asked on September 9, 2018* -
## Precalculus

Find the domain and range for the inverse of f(x) = (1/4x)+2.

*asked on September 8, 2018* -
## Childhood Education

Low achievement and academic accompy are appropriate for non English speaking preschoolers. I am think false.

*asked on September 1, 2018* -
## early childhood education

What does it mean suggest age group

*asked on August 27, 2018* -
## Childhood Education

Name an object for a child may promote the child's oberservation of it's distinct features. T or F I am think T 2.Most toddlers reveal their thinking in their speech rather than in the actions they are performing. I am think

*asked on August 21, 2018* -
## early childhood education

Toddler brains are as active as adults. True

*asked on August 20, 2018* -
## early childhood education

If a young child calls a dogs,he has made a logical error. I am thinking true. Adults speaking parentese may effect their infant heart rate. I think false

*asked on August 20, 2018* -
## Consumer Math

Clay brought a $500 series EE bond and redeemed it after 4 years for $329.20. How much interest did Clay earn?

*asked on July 2, 2018* -
## Early Childhood Education

I am having a hard time finding article for this assigment? Find an article on one or more strategies that work with young children to promote sociable and acceptable group behavior with peers

*asked on April 16, 2018* -
## Reflective Checklist

List two items you would expect to see in a setting for a children 3-5 years of age that promote social interaction?

*asked on April 13, 2018*