Friday

March 27, 2015

March 27, 2015

Total # Posts: 315

**Physics**

An unstable nucleus with a mass of 18.0 ✕ 10-27 kg initially at rest disintegrates into three particles. One of the particles, of mass 4.1 ✕ 10-27 kg, moves along the positive y-axis with a speed of 8.0 ✕ 106 m/s. Another particle, of mass 7.7 ✕ 10-...
*March 1, 2015*

**Physics**

A 4.1 g dart is fired into a block of wood with a mass of 20.2 g. The wood block is initially at rest on a 1.2 m tall post. After the collision, the wood block and dart land 2.6 m from the base of the post. Find the initial speed of the dart.
*February 28, 2015*

**saftet**

I have 5 words theres 25 letters. About saftey. Etadprlbaselsspsfnniltria
*February 11, 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?
*February 2, 2015*

**trigonometry**

a surveyor 1standing on a highway observed the angle of elevation of the airplain as 22.5°. at the same time, a surveyor 2 observed the angle of elevation of the same airplane to be 30°. if the airplane was 850m directly above a point on the highway, find the distance ...
*January 12, 2015*

**math**

If a plant grew 1 1/4 inches in one month. If the plant grows at the same rate, how many inches will it have grown at the end of 3 1/2 months?
*December 27, 2014*

**finance**

the joseph company has a stock issue that pays a fixed dividend of 3.00 per share annually. Investors believe the normal rik-free rate is 4 percent and that this stock is 14 percent,and that this stock should have a risk premium of 6 percent
*November 14, 2014*

**math**

4.5 by 6.12 original drawing want to increase size to 18 by 24. How do I do it?
*October 21, 2014*

**Math**

Solve the equation: 4/3y+5/2y = 1
*August 23, 2014*

**algebra**

Simplify and show steps: 5x^2/x^3-x^2
*August 23, 2014*

**Math**

How do I simplify -4(-5x-u)-2(3u-2x)
*July 13, 2014*

**Math**

what is -4 (-w+4x-2)?
*July 13, 2014*

**Math**

what is 5 - / 8 6
*July 13, 2014*

**Kirr**

$1200.00
*June 1, 2014*

**statistics**

in a positive skewed distrubtion with a mean (average) of 100 and median of 90 is What?
*May 29, 2014*

**Stats**

Need help finding the area under the normal curve between z = -1.0 and z = -2.0?
*April 16, 2014*

**chemistry**

I don't know I copied the question word for word. He wants to know what was produced and percentage changes. I'm sorry
*April 15, 2014*

**chemistry**

There are two different oxides of copper produced as a result of this reaction. They are copper(I) and copper(II) oxide. If copper is changed to copper(I) oxide the percentage changed in mass is 12%. If copper is changed to copper(II) oxide the percentage change in mass is 25...
*April 15, 2014*

**math**

3/8 of a box contains 18 crackers how many crackers are in a box
*April 10, 2014*

**Statistics**

If a company’s total fixed costs increased by $20,000 and its contribution margin decreased by $12,000, net income would be?
*April 10, 2014*

**math**

3x+2x+y+2y
*February 17, 2014*

**physics**

A 45.4 kg sign is hanging in two wires as illustrated below. If angle A is 53.5 degrees and angle B is 29.6 degrees, what is the tension in the left wire? Give your answer in newtons
*February 16, 2014*

**Math**

is zero
*January 29, 2014*

**math**

A die is tossed twice. What is the probability of obtaining 6 dots both times?
*January 18, 2014*

**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?
*January 18, 2014*

**algebra 2**

if a system of equations has no solution then it is what?
*December 19, 2013*

**fin**

As part of a new labor contract, Acme has agreed to make a one-time contribution of Euros 1,000,000 to the construction of a new physical fitness facility for its employees. This amount will be placed in an account earning E% (E = the fifth digit of SUN). When the account ...
*December 12, 2013*

**business**

Access: When importing and linking data, what program is used to store data and what program is used to analyze it?
*December 4, 2013*

**geometry**

A flagpole has a height of 10 yards. It will be supported by three cables, each of which is attached to the flagpole at a point 4 yards below the top and attached to the ground at a point that is 8 yards from the base of the pole. Find the total number of feet of cable that ...
*November 26, 2013*

**math**

How do I factor non-traditional math problems that contain symbols? The examples given were: $q + $8 - $~ and 7* - x* + 2*.
*November 8, 2013*

**anatomy**

the lungs are lateral to the heart?
*September 23, 2013*

**algebra**

A parallelogram is 22 inches long and 14 inches wide. How do you find the height of the parallelogram? How do you find the area of the parallelogram ?
*September 21, 2013*

**Algebra, HELP!**

SOLVE FOR p: 5T = 6D + 6pm
*September 3, 2013*

**Algebra**

Got it! Y= x(x-2)
*August 21, 2013*

**Algebra**

What is the rule for the function x= 4, 5, 6, 7, 8 y= 8, 15, 24, 35, 48
*August 21, 2013*

**Math**

Sam is making 3 picture frames with dimensions seven and seven-eights and five and three quarters. What length of wood does he need for all 3 picture frames? Please answer as soon as possible; need it for tomorrow. Thanks
*May 22, 2013*

**life orientation**

recommendations on how to address pollution
*April 26, 2013*

**Algebra**

X^2(y-7)-14x(y-7)+45(y-7)
*April 3, 2013*

**Statistics and Probability**

Why is a normal distribution called "normal"?
*March 19, 2013*

**Statistics and Probability**

Why is a normal distribution called "normal"?
*March 19, 2013*

**biology**

−C−H−− −N−−−H −O−H−−
*March 12, 2013*

**Math Word Problem**

Tristen mixes nuts that cost $2.00 per pond with nuts that cost $4.00 per pound. He buys triple as much of the $2.00 per pound nut than he buys of the $4.00 per pound nut. If he spent a total of $32.00, how many pounds of the $2.00 per pound nut did he buy?
*February 11, 2013*

**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 and the sleeping bags ...
*February 11, 2013*

**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 electric contractors&#...
*February 11, 2013*

**mATH**

First graders who misbehave in school may be more likely to be regular smokers as young adults according to a new study presented in the July 2004 issue of the American Journal of Epidemiology. After following a group of U.S. first graders for 15 years, it was found that among...
*February 11, 2013*

**Probability Help!!!**

5 selected from batch of 50 produced, if one is found defective, than each is tested individually. Find the probability that the entire batch will need testing if the batch contains: 8 defective phones 2 defective phones
*February 10, 2013*

**Math-Statistics**

An advisor offers 8 mutual funds in the high risk category, 7 moderate, 10 in low risk. The investor decides to invest in 3 high risk, 4 moderate risk, and 10 low risk. How many ways can he do this?
*February 10, 2013*

**Math Probability**

5 selected from batch of 50 produced, if one is found defective, than each is tested individually. Find the probability that the entire batch will need testing if the batch contains: 8 defective phones 2 defective phones
*February 10, 2013*

**Statistics**

An advisor offers 8 mutual funds in the high risk category, 7 moderate, 10 in low risk. The investor decides to invest in 3 high risk, 4 moderate risk, and 10 low risk. How many ways can he do this?
*February 9, 2013*

**Statistics**

5 selected from batch of 50 produced, if one is found defective, than each is tested individually. Find the probability that the entire batch will need testing if the batch contains: 8 defective phones 2 defective phones
*February 9, 2013*

**Probability**

5 selected from batch of 50 produced, if one is found defective, than each is tested individually. Find the probability that the entire batch will need testing if the batch contains: 8 defective phones 2 defective phones
*February 9, 2013*

**Probability**

An advisor offers 8 mutual funds in the high risk category, 7 moderate, 10 in low risk. The investor decides to invest in 3 high risk, 4 moderate risk, and 10 low risk. How many ways can he do this?
*February 9, 2013*

**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?
*February 9, 2013*

**Probability**

A woman at the mall sees flats, 2’heels, and 3’ heels. The shoes come in two shades of beige(light and dark) and black. What is the probability that she will pick the following combinations? shoe has a heel and black- no heal and beige shoe has a heel and is beige
*February 8, 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’)
*February 8, 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?
*February 8, 2013*

**Math**

An advisor offers 8 mutual funds in the high risk category, 7 moderate, 10 in low risk. The investor decides to invest in 3 high risk, 4 moderate risk, and 10 low risk. How many ways can he do this?
*February 8, 2013*

**Trigonometry**

What is the period and asymptote in y= tan(2x-pi)
*February 3, 2013*

**trigonometry**

what is the graph of y= arccos(x-2)
*February 2, 2013*

**trigonometry**

what is the graph of y=sec(x+pi/2)
*February 2, 2013*

**trigonometry**

what is the graph of y= tan(2x-pi)
*February 2, 2013*

**trigonometry**

what is the graph of y= cos2(x-pi)+2
*February 2, 2013*

**trigonometry**

What is the graph of y= 5sin1/2(x+pi)-1
*February 1, 2013*

**sociology cultural**

What is a particular passion or talent that you possess which was never truly appreciated by teachers in your education?
*February 1, 2013*

**Physics**

A +2 uC and a +10 uC are 3cm apart a) Find the electrostatic force between the charges b) If the charges are brought together and touched, what would be the charge on each one? c) These spheres are then moved 3 cm apart. What would be the force between them?
*January 26, 2013*

**Earlychilodhood education**

a) Say that again slowly.
*January 20, 2013*

**algebra 1**

Transitive
*November 27, 2012*

**math**

please graph 4x^2/(x^3-1) and show asymptotes
*November 13, 2012*

**physics**

A flexible metal sheet of length 6.0cm, breadth 5.00cm and the average thickness of 0.883cm has a mass of 23.00g. calculate the density of the metal
*October 18, 2012*

**Statistic**

The amount of time it takes to take your order at the local Whaters restaurant has a population mean m of 3.1 minutes and a standard deviation s of 0.40 minutes. If you select a random sample of 16 customers: Q-3a: What is the probability that the mean time spent per customer ...
*August 12, 2012*

**Math**

How much tolnaftate powder is in 7% Eucerin cream 85g? _______________
*July 30, 2012*

**Chemistry**

If you add 16g of sacicylic acid to 84g of an ointment base, what is the final concentration (w/w) the product? _______
*July 30, 2012*

**Pharmacy Technician**

If you diluted 95ml of a 7% benzocaine lotion to 5%, how much could you produce? _________
*July 30, 2012*

**Pharmacy Technician**

35ml of active ingredient is mixed with distilled water to total 300ml. What is the final concentration (v/v)? ________
*July 30, 2012*

**Pharmacy Math**

If you diluted 95ml of a 7% benzocaine lotion to 5% how much could you produce? ___
*July 30, 2012*

**Pharmacy Math**

How much stock solution of hydrogen peroxide 8% will you need to make 320ml of hydrogen peroxide 2% solution? ____
*July 30, 2012*

**Pharmacy Math**

35ml of active ingredient is mixed with distilled water to total 300ml. What is the final concentration (v/v)? ____
*July 30, 2012*

**Pharmacy Math**

15g of potassium chloride is diluted in 2L of sterile water for injection. What is the final perccent strength (w/v)? ____
*July 30, 2012*

**Pharmacy Math**

320ml of active ingredient is added to 680ml of an alcohol based solution. What is the final strength (v/v)? ___
*July 30, 2012*

**Pharmacy Math**

I have posted correctly
*July 30, 2012*

**Pharmacy Math**

Drysol contains 6g of aluminum chloride hexahydrate in 42ml of an alcohol base. What is the final strength of Drysol?____
*July 29, 2012*

**Pharmacy Math**

75g of active agreement powder is mixed with 300 ml normal saline. What is the final percent strength(w/V)? ____________
*July 29, 2012*

**Pharmacy Technician**

How much cholestryramine powder is in 3% cholestyramine/Aquaphor cream 45g? _________
*July 29, 2012*

**chemistry**

If you add 8g of benzoic acid to 92g of an ointment base, what is final concentration (w/w) the product? _______________
*July 29, 2012*

**cild care**

Which one of the following statements about childcare centers is correct? A. Childcare centers can't get a license unless they apply to enroll in a QRIS system. B. Childcare centers are automatically enrolled in a QRIS system when they apply to be licensed. C. Childcare ...
*July 23, 2012*

**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 kg/m3) in each of these...
*June 25, 2012*

**HEALTH**

The relationship between law and ethics dictates that anything lawful is ethical and anything ethical is therefore always legal? Agree???? What is the rationale behind your answer?
*June 24, 2012*

**Geology**

What can be done to help society improve its understanding of the world's natural resources and how to utilize them? Why?
*June 7, 2012*

**Life orientation**

recommendations on how to address pollution
*April 28, 2012*

**life orientation**

five ways in which you critically discuss how cancer disfase behaviour impact on the teenager
*April 19, 2012*

**psychology**

What is the relationship between z-scores and percentages?
*April 5, 2012*

**alegbra**

on his mathematics test, carlos has 20 correct out of 25 problems
*April 5, 2012*

**science**

If I begin with 100 atoms, how many atoms will be left of carbon 12 in 17,190 yrs if the half life of C12 is 5,730 yrs?
*April 4, 2012*

**english paragraph 8 - 12 sentences long**

STUDY the following notes for an explanatory pharagraph
*March 26, 2012*

**psychology**

What dictates the design (experimental versus quasi-experimental) and the type of manipulation used in a research study?
*March 18, 2012*

**arithmetic**

a board 2 yards long. If 6 inches from one end was cut off. How many inches long was the shelf.
*March 5, 2012*

**algebra**

the soccer team is designing a triangular flag for their games. the length of the base is 5 inches more than the height,h. express the area of the flag as a function of the height.
*February 6, 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
*February 5, 2012*

**algebra**

What is the solution set for 10^x=2.5
*February 1, 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
*February 1, 2012*