Friday

January 20, 2017
Total # Posts: 102

**math**

one way i got 8!/2!*(8-2)! 8!/(2!*6!) 8!=40320 2!=2 6!=720 40320/(2*720 )=40320/1440=28 or another 7*8=56

*November 15, 2016*

**math**

A school district has 2 teaching positions to fill and there are 8 applicants to choose from. How many different possibilities are there?

*November 15, 2016*

**math**

What is the probability of being dealt 3 tens and 2 kings from a deck of cards?

*November 15, 2016*

**math**

A baseball team has 13 players; how many possible batting orders can the coach make if there are 9 players in the batting lineup?

*November 15, 2016*

**Physics**

A 1200kg car rounds a curve of radius of 50m with a speed of 80km/hr. What is the coefficient of friction if the car is just about to skid off the road? I got: ac= 9.88m/s2 Fc= 11851N I also know Ff=uFN but have no idea how to figure this out. Thx.

*November 2, 2016*

**algebra 2B**

i meant to put g(x) = -2 lx-2l + 4

*June 9, 2016*

**algebra 2B**

5. Come up with a new linear function that has a slope that falls in the range −1 < m < 0 . Choose two different initial values. For this new linear function, what happens to the function’s values after many iterations? Are the function’s values getting ...

*June 9, 2016*

**Math**

Write the fraction as a product of a whole number and a unit fraction. 7/12

*February 17, 2016*

**PHYSICS` HELP!! Please**

Really lost on how to explain these whether true or false!! HELP! Much appreciated Write True or False. If False, Explain why! 1. In a position vs. Time graph, a line whose slope is negative represents an object that is slowing down. Answer: I circled True but it's not. ...

*January 5, 2016*

**PhysicsPlease Help Explain!**

Much apreciated

*January 5, 2016*

**Physics**

Write True or False. If False, Explain why! 1. In a position vs. Time graph, a line whose slope is negative represents an object that is slowing down. Answer: I circled True but it's not. Can you explain why my answer is wrong. 2. An object can have a non-zero velocity ...

*January 5, 2016*

**Chemistry**

1) When aqueous solutions of cupric chloride and sodium phosphate are mixed, solid cupric phosphate separates from a solution of sodium chloride. 2) When heated in an aqueous solution of ammonium acetate, calcium oxide reacts to form calcium acetate, ammonia, and water Write ...

*October 23, 2015*

**Chemistry**

If 2.50 mol. of sodium chloride was required to make up a solution of a particular concentration, what mass would need to be measured out?

*March 20, 2015*

**Math**

A cook has 2 2/3 cups of flour. A recipe calls for 2 3/4 cups of flour. Does the cook have enough flour? If not, how much more flour is needed?

*December 8, 2014*

**science**

an object has an electric charge of +12. it loses 10 electrons. what is the new electric charge on the object?

*November 28, 2014*

**Math**

The cost of 2 televisions and 3 dvd player is $1,421. The cost of 1 dvd player is half the cost of 1 television. What is the cost of 1 televison.

*October 9, 2013*

**Spanish 2**

Juanita es de España. Juanita es ____.

*March 20, 2013*

**Spanish 2**

Mary es de Kansas. Mary es ____.

*March 20, 2013*

**Spanish 2**

Use a form of "ser" or "estar" to fill in the blank. Note: Only type the missing word. Do not type capital letter nor period. Ella ___ chilena.

*March 20, 2013*

**Spanish 2**

Use a form of "ser" or "estar" to fill in the blank. Note: Only type the missing word. Do not type capital letter nor period. Tú ____ enfermo.

*March 20, 2013*

**Science**

If you are given a sample containg 1.204 x 10 24 molecules of NaCl, what is its weight in grams?

*February 5, 2013*

**Finance**

Assignment 1: LASA 2—Cash Management and Budgeting The new owner of Bob’s Boats, Bob, just purchased the business and discovered that the prior owner did not have a plan for managing the current assets of the company. Bob has decided that the place to start is with a...

*November 10, 2012*

**FInance**

Assignment 2: Lease vs. Buy Your employer, Barnaby Well Company, is considering the acquisition of a new drill truck and your boss has asked you to evaluate the decision that she has made to buy the truck. The truck has a purchase price of $60,000 and a useful life of 4 years ...

*November 10, 2012*

**math**

if you have a 6 foot long board and it's cut into 4/5 pieces how many pieces can you have a what portion of the board is left over

*October 22, 2012*

**geometry**

What is the approximate length of line MN when the coordinates of its end points are (-4,5) and (-6,9)?

*September 24, 2012*

**Anatomy**

Are the actionshormones of the adrenal gland opposing, synergistic or permissive?

*May 27, 2012*

**Physics**

an oil layer floats on 87 cm of water in a tank. the pressure at the bottom of the tank is 120.0 kPa. How thick is the oil?

*April 22, 2012*

**Math**

A farmer had a fence that encloses a square plot with an area of 36 meters squared. If the garnet uses this fence to enclose a circular flower garden, what will the area of the garden be?

*April 19, 2012*

**physics**

Use Kr=.5 I w f^2

*December 9, 2011*

**math word problem**

A farmer had a fence that encloses a square plot with an area of 36 meters squared. If the garnet uses this fence to enclose a circular flower garden, what will the area of the garden be?

*December 5, 2011*

**history**

The Wade-Davis Bill passed by congress then vetoed by Lincoln, stipulated that______ percent of voters in a confederate state must take an oath of future loyalty to the Union before a process of restoration could begin. A.20 B.10 C.70 D.50

*December 2, 2011*

**Algebra**

I am using a TI-83 calculator to find all the solutions to the quadratic equation (5x(Squared) - 80 = 0)by graphing. The answer is supposed to be (-4 and 4) but the calculator comes up with (ERR: NO SIGN CHNG). Can you tell me what I'm doing wrong?

*December 2, 2011*

**math**

A parallelogram ABCD has lengths of sides and angles given below. Find the length of the diagonals AC and BD. (Round your answers to two decimal places.) AB = DC = 6 and AD = BC = 5, angleA = 40°

*November 9, 2011*

**geometry**

A parallelogram ABCD has lengths of sides and angles given below. Find the length of the diagonals AC and BD. (Round your answers to two decimal places.) AB = DC = 6 and AD = BC = 5, angleA = 40°

*November 9, 2011*

**Chemistry**

0.7g of an unknown mixture of NaHCO3 and Na2CO3 is mixed with 3mL of 12M HCl.what is the mass of NaHCO3 and Na2CO3 in the mixture of NaHCO3 and Na2CO3? Use these equations: NaHCO3+HCl--> NaCl+CO2+H2O Na2CO3+2HCl-->2NaCl+CO2+H2O mass of mixture= mass of NaHCO3+mass of ...

*October 18, 2011*

**Chemistry**

from the teacher haha, thanks so much

*September 6, 2011*

**Chemistry**

How much heat is required to raise the temp of 854 g water from 23.5 to 85.0 celcius I got this, is this right X=854(61.5)(4.184)=219747.864

*September 6, 2011*

**Math**

z + (-3 and 2 5ths)= -4 and 1 10ths please solve

*August 8, 2011*

**earth**

if you are in a spacecraft moving away from earth, how would your weight change as your distance from earth increases?

*May 31, 2011*

**Pre-calc**

A racetrack is in the shape of an ellipse, 80 feet long and 40 feet wide. What is the width 10 feet from the end?

*May 11, 2011*

**Chemistry**

I got it P1/T1=P2/T2 will get you there

*April 24, 2011*

**Chemistry**

The total pressure in a flask containing air and ethanol at 25.7C is 878 mm Hg. The pressure of the air in the flask at 25.7C is 762 mm Hg. If the flask is immersed in a water bath at 38.8C, the total pressure is 980 mm Hg. The vapor pressure of ethanol at the new temperature ...

*April 24, 2011*

**Calculus**

What is the limit of: -x^5+2x^4-x^2+1?

*March 27, 2011*

**english**

Hi. I would say the four types your teacher is probably looking for are narrative, descriptive, comparitive, and expository. If you go to the website Instructional Images and type in four writing types, you will get a good description of each one. Good luck!

*March 21, 2011*

**Chemistry**

Water is added to 4.267 grams of UF6. The only products are 3.730 grams of a solid containing only uranium, oxygen and fluorine and 0.970 gram of gas. The gas is 95.0% flourine, and the remainder is hydrogen. From data determine the empirical formula of the gas. What fraction ...

*January 9, 2011*

**UOP**

NEED HELP GETTING STARTED.

*December 27, 2010*

**UOP**

Assuming Alexa receives $20,000 in gross rental receipts, answer the following questions: a. What effect does the rental activity have on her AGI for the year? b. Assuming that Alexa’s AGI from other sources is $90,000, what effect does the rental activity have on Alexa&#...

*December 27, 2010*

**AP Physics**

I have two problems i don't understand if you could solve and show me what you did I would appreciate it :) 1.A 62.0-kg person, running horizontally with a velocity of +3.54 m/s, jumps onto a 13.4-kg sled that is initially at rest. (a) Ignoring the effects of friction ...

*December 5, 2010*

**3rd grade math**

Math

*November 28, 2010*

**economics**

Best Western University is trying to increase the size of its student body by shifting the demand curve for its educational services to the right. Which of the following will NOT shift its demand curve to the right?

*October 22, 2010*

**math**

if you know that 8 time 7 is 56 , how can you use the commutative property of multiplication to find the product of 8 times 7

*October 20, 2010*

**physics**

A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be independently adjusted. When the engines are fired simultaneously and each applies its force in the same direction, the probe, starting from rest, takes...

*October 12, 2010*

**11th grade math**

y=4x^2-16x+12

*September 14, 2010*

**arithmetic**

how would you make 300,000+40,000+800 into a standard notation

*August 29, 2010*

**chemistry**

A 5.02 L sample of nitrogen dioxide gas is collected at 500°C and 5.00 atm. What is the volume of nitrogen dioxide at standard condition?

*August 4, 2010*

**Physics**

A helicopter descends from a height of 600 m with uniform negative acceleration, reaching the ground at rest in 5.00 minutes. Determine the acceleration of the helicopter and its initial velocity.

*July 11, 2010*

**Physics**

A hydrometer consists of a spherical bulb and a cylindrical stem with a cross-sectional area of 0.400 cm^2. The total volume of the bulb and stem is 13.2 cm^3. When immersed in water, the hydrometer floats with 8.00 cm of stem above the water surface. When the hydrometer is ...

*July 9, 2010*

**Physics**

Thank you!

*July 9, 2010*

**Physics**

While running, a person dissipates about 0.6 J of mechanical energy per step per kilogram of body mass. If a 60-kg person runs with a power of 70 Watts during a race, how fast is the person running? Assume a running step is 1.5 m long.

*July 9, 2010*

**Keyboarding and Word Processing**

The _________ enables you to see the hard returns on your screen. Choices are: STATUS BAR, SCROLL BAR, SHOW/HIDE BUTTON, or PRINT PREVIEW BUTTON.

*May 5, 2010*

**Keyboarding and Word processing**

The _______ enables you to see the hard returns on your screen.

*May 5, 2010*

**math**

i don't get this circle a has a diameternof 10 feet. rounded to the tenths place, the are of circle a is what?

*March 8, 2010*

**chemistry**

0.5M

*February 17, 2010*

**physics**

A 2.8 kg rectangular air mattress is 2.00m long,0.500 m wide and 0.100m thick. What mass can it support in water before sinking?

*February 6, 2010*

**HSM 220**

having trouble creating a budget for appendix c can you give me some ideas how to answer this?

*February 2, 2010*

**math**

Make a stem and leaf plot of the students heights. (One of the students height is 126 cm) Dont know how to start with 3 digits

*January 14, 2010*

**MAT 116 Week 6 quiz**

Are you in Professer Bammans class? I'm taking the same class.

*January 10, 2010*

**SCI230**

2. CheckPoint: Mendel on Patterns of Inheritance • Resources: Ch. 3 of Bioinquiry • Review Ch. 3 of Bioinquiry. • Post a 300- to 500-word response to the following: o How did Mendel’s approach to answering scientific questions differ from that of his ...

*January 7, 2010*

**HCA240**

2. CheckPoint: Radio Ad • Write a 150- to 200-word script for a radio ad that promotes a healthy musculoskeletal system in old age. Address the risk factors for arthritis, osteoporosis, and injuries from falls. Incorporate prevention strategies such as proper nutrition (...

*January 7, 2010*

**Linear Programming**

It's just I'm stuck at picking out what i need and such.. Not very good with word problems..

*October 16, 2009*

**Linear Programming**

OKay My question is: Two factories manufacture 3 different grades per paper. the company that owns the factories has contracts to supply at least 16 tons of low grade, 5 tons of medium grade, and at least 20 tons of high grade paper. It cost $1000 per day to operate the first ...

*October 16, 2009*

**AP World History**

Okay I switched up my thesis: In the time during the Warring States in China, Buddhism was viewed in two different ways. The commoners viewed Buddhism as a release from the suffering in life, and thought a path was paved for them to go onto Enlightenment. The high officials ...

*October 3, 2009*

**AP World History**

Okay I have no idea how to group the documents without summarizing them individually in my DBQ essay. My essay prompt is that I have analyze the responses to the spread of Buddhism in China and add an additional document. Plus I need help with my thesis: During the Warring ...

*October 3, 2009*

**child day care manegment**

i was wondering if you have the answers to Penn Foster's child day care management course? i need them to review my daughter's answers before submitting the tests.

*September 18, 2009*

**9th grade**

what is a landform

*September 9, 2009*

**geography**

what is a landforms

*September 9, 2009*

**english**

what is a proper noun

*September 9, 2009*

**college**

A solution that has more hydroxyl ions than hydrogen ions are

*September 2, 2009*

**accounting**

please answer and explan all for me

*August 16, 2009*

**biology**

why does our mouth become dry when we are nervous?

*August 11, 2009*

**social studies**

compare the settlers of jameston and plymouth tell one thing that was true for both groups and one thing that was true for only one group

*June 3, 2009*

**physics**

what is the centripetal force acting on an object with a mass of 10kg moving at a velocity of 5m/s in a circle with a diameter of 3m when the object is moving in a circular motion are the forces balanced on the object why or why not

*June 1, 2009*

**physics**

a rope can withstand a maximum tension force of 450n before breaking if we use the rope to pull a 32kg bucket of water from a well what is the maximum acceleration upward we can use without breaking the rope

*June 1, 2009*

**French**

I think I have the subjunctive figured out now. Well, maybe not. Can someone check my work? I'm not very good at French either so it may have tons of mistakes. Thank you! I needed to use the subjunctive 7 times so can you check that too? Thanks! Quand nous sommes all&...

*January 27, 2009*

**French**

WE are learning the subjunctive and we have a worksheet where we put the right tense of the word in parentheses in the blank. The question I am confused on is: Habituellement, apres qu'ils (finir)_______ leurs devoirs, leur mere les laisse regarder la tele. Sorry for not ...

*January 26, 2009*

**Algebra**

Hello Drwls, sorry, but i don't understand what you mean by the 2/2/9 at the end was mistyped? Thank you for correcting my mistake if i had made one though! ^_^

*October 18, 2008*

**Algebra**

Hello Laura, the method that i would recommend is this simple method (assuming that both of them mow the lawn at a constant speed): Jack->4h can complete lawn jack->1h can complete 1/4 lawn Mary->5h can complete lawn Mary->1h can complete 1/5 lawn Together->1h ...

*October 18, 2008*

**math**

Hello Drwis, sorry if i made a mistake but i think that the above sentence that you posted is factually wrong. There is another number that does not change when multiplied by itself, that number is 0.

*October 18, 2008*

**Math**

Find the number of ways in which a French test can be made. 20 questions from a test bank of 100 questions

*April 21, 2008*

**Math**

19 x s = 19s - 4s = _ , squared 25 ,devided by 6s ,= percentage out of 100

*April 15, 2008*

**math**

how do you determine a z-score

*April 8, 2008*

**math riddle ALGEBRA WITH PIZZAZZ**

when do sky divers use decimals?

*April 6, 2008*

**environmental**

Climates modified by the oceans are called?

*January 27, 2008*

**environmental**

A measure of the moisture content of the air is called?

*January 27, 2008*

**earth**

The short term condition in the troposphere are called?

*January 27, 2008*

**homework help!!!**

Can you explain in more detail WHY ....if you live in Atlanta and your grandparents live in Seattle and they go to bed at 10 pm.. 7pm Atlanta time would be the latest they would call.... I think that's wrong. Since the sun rises in the east, the east coast, including ...

*August 17, 2007*

**Geography-Time Zones**

If you live in Atlanta and your grandparents live in Seattle. What is the latest Atlanta time you would expect to hear from them if they go to bed at 10 pm? Atlanta, Georgia, is in the Eastern Time Zone, while Seattle, Washington, is in the Pacific Time Zone. Since Atlanta is ...

*August 17, 2007*

**Biology**

alveolar macrophages

*August 10, 2007*

**Medical**

What Does C C C_ C C mean in Brain Teasers?

*July 16, 2007*

**Comp. Tech Question**

I asked this question yesterday- but I got confused. You talk to your boss about working out of your home. You can access the company network from your home using VPN. Your boss is concerned about security. What do you tell him to assure him that VPN is secure? The data will ...

*July 2, 2007*