Friday

January 20, 2017
Number of results: 26,124

**math**

Approximately how much principal would need to be placed into an account earning 3.575% interest compounded quarterly so that it has an accumulated value of $68,000 at the end of 30 years?

*June 17, 2014 by Anonymous*

**Chemistry**

A sample of a smoke stack emission was collected into a 1.25 L at 752 mm Hg and analyzed. The analysis showed 92% CO2, 3.6% NO, 1.2% SO2, and 4.1% H2O by mass. What is the partial pressure exerted by each gas?

*November 15, 2014 by Aaqib Zaman*

**Foundation of a Healthy Lifestyle**

A child practices tossing a ball into a hoop from the same distance each day. What type of knowledge is he using? A. Regressive B. Hypothetical C. Assimilative D. Adaptive A.

*November 20, 2014 by Amanda*

**Foundation of a Healthy Lifestyle**

A child practices tossing a ball into a hoop from the same distance each day. What type of knowledge is he using? A. Regressive B. Hypothetical C. Assimilative D. Adaptive A.

*November 20, 2014 by Amanda*

**Foundation of a Healthy Lifestyle**

A child practices tossing a ball into a hoop from the same distance each day. What type of knowledge is he using? A. Regressive B. Hypothetical C. Assimilative D. Adaptive A.

*November 20, 2014 by Amanda*

**Foundation of a Healthy Lifestyle**

A child practices tossing a ball into a hoop from the same distance each day. What type of knowledge is he using? A. Regressive B. Hypothetical C. Assimilative D. Adaptive A.

*November 20, 2014 by Amanda*

**Chemistry**

When HgO is heated, it decomposes into elemental mercury and molecular oxygen gas. If 64.0 g of Hg is obtained from 85.0 g of the oxide, what is the percent yield of the reaction? The balanced equation is 2HgO > 2Hg + 02.

*December 8, 2014 by Anonymous*

**science**

when a molecule of water vapro in the air come into contact with a cold can of soft drink, they lose energy, slow down, and form a liquid due to a decrease in what?

*February 11, 2015 by sarah*

**science~Ms. Sue**

A ____ is a substance that cannot be separated into similar substances by physical or mechanical methods such as filtering, boiling, or sifting. (I have to again write the answer)

*February 24, 2015 by Aaliyah*

**Chemistry**

Calculate ΔG (in kJ) at 298 K for some solid ZnF2, 0.055 M Zn2+ and 0.063 M F-(aq). I found Q to be 2.18e-4, then i implemented it into the equation deltaG=RT(lnQ). I got -20.89, but the answer is -12.2.

*April 7, 2015 by JUNDY*

**Ms. Sue PLZ HELP!!!(Civics)**

The United States often uses sanctions to ______ a country. create an exception on impose a penalty on*** discourage trade with step into a conflict with

*May 17, 2015 by Anonymous*

**Algebra**

What constant must we place in the blank below in order to be able to factor the resulting expression into the product of two linear factors: 2mn - 16m - 7n + ____

*June 16, 2015 by XXX*

**David A. Brown**

Jonathan measure 2 cups of flour into a bowl on the counter then he spilled part of it and now there is only three eighths cup left how much did he spill

*September 15, 2015 by Ryan*

**Social Studies (please help)**

In what ways were diverse people from the Arabian Peninsula through the Middle East, North Africa, and into Spain united? What held them together and unified them, and how was this done?

*November 12, 2015 by Sarah*

**Chemistry**

How high can a person (assume a weight of 70 kg) climb on one ounce of chocolate if the heat of combustion (628 kJ) can be converted completely into work associated with vertical displacement?

*September 28, 2016 by Joesph*

**maths**

1a) Solve each of these questions by factorising the left hand side into a product of linear factors: (i) x^2 - 6x - 40 = 0 (ii) 3x^2 + 20x - 7 = 0 For each question in part (a), check your solutions by substituting them back in to the equation.

*October 24, 2016 by Saphina AlMatary*

**maths**

Solve each of these questions by factorising the left hand side into a product of linear factors: (i) x^2 - 6x - 40 = 0 (ii) 3x^2 + 20x - 7 = 0 For each question in part (a), check your solutions by substituting them back in to the equation.

*October 24, 2016 by Saphina AlMatary*

**maths**

1a) Solve each of these questions by factorising the left hand side into a product of linear factors: (i) x^2 - 6x - 40 = 0 (ii) 3x^2 + 20x - 7 = 0 For each question in part (a), check your solutions by substituting them back in to the equation.

*October 24, 2016 by Steve*

**algebra 2**

Reuben deposited $2000 into an account with a 3.8% annual interest rate, compounded semiannually. Assuming that no withdrawals are made, how long will it take for the investment to grow to $3000?

*October 30, 2016 by .*

**algebra 2**

Reuben deposited $2000 into an account with a 3.8% annual interest rate, compounded semiannually. Assuming that no withdrawals are made, how long will it take for the investment to grow to $3000?

*October 31, 2016 by .*

**Science**

.Fertilizers and pesticides applied to farm fields in Pennsylvania have made their way down into the Chesapeake Bay in Maryland. This is an example of _________________ pollution. Ms.Sue

*January 19, 2017 by Help I need somebody not just anybody*

**Physics**

A car travels at 64 mi/h when the brakes are suddenly applied. Consider how the tires of a moving car come in contact with the road. When the car goes into a skid (with wheels locked up), the rubber of the tire is moving with respect to the road; otherwise, when the tires roll...

*September 21, 2012 by Anne*

**math 116**

I am taking math 116 , I am to find the solution to the problem 9x-3y=-68 and -2x+y=18 and to give an ordered pair. Now, that you have it where you take 9x from both sides, or is it 3y? My question is when you just have y do you count that as one(y) , I try to work the problem...

*August 1, 2009 by dedee*

**Science**

Plz correct me if I'm wrong!! 1) Which of the following is a chemical change? (1 point) Boiling of water Melting a cube of ice Dissolving 10 grams of salt in water Splitting water into hydrogen and oxygen*** 2) What is the mass of water that results from combining 2.0g of ...

*February 1, 2016 by Vanessa*

**Algebra**

What would be the missing piece of information given the following information: Find the slope of the line that passes through the points (2, 6) and (4, 10). m = ? a. 2 b.6 c. 1 d. 9 I think it is c. Remeber the definition of a slope. It is the change in y divided by the ...

*October 14, 2006 by Margie*

**Algebra - Can you PLEASE check - I"m stuck!**

Bob is studying the growth of a particular species of plant. He writes the following equation to show the height of the plant f(n), in cm, after n days: F(N)=10(1.02)^n 1. Starting from 0 days, plug x-values into our function to find out how many days it takes for the plant to...

*November 17, 2014 by Jake*

**physics**

Equal 0.400-kg mass of lead and tin at 60 degrees celsius are placed in 1kg of water at 20 degrees celsius. a) what is the equilibrium temperature of the system? b)if an alloy is half lead and half tin by mass, what specific heat would you anticipate for the alloy? c) how many...

*February 17, 2013 by anonymous*

**algebra**

please help me here with a and b and do i have c and d correct?, i do not know how to start. john put his spare change in jar every night. If he has $11.09, at end of Jan. . 22.27 at the end of feb, 44.35 in April, 75.82 in july, 89.00 in aug. and 114.76. a. at the end of oct...

*January 16, 2012 by ann*

**Statistics**

I've made an attempt to solve these using my TI-84 plus, however I don't know if my approach is correct. Any help is appreciated. 1.) As the costs of prescription drugs escalate, many senior citizens are ordering from or going to Canada to get their medicine. Is there a good ...

*May 1, 2012 by Amy*

**weighted average?**

if you have 70 calls that come in during one minute and 3 seconds..and then you have 10 calls come in at a total of 15 seconds. what is the weighted average of calls and time? I assume you want the weighted average of the frequency of receiving calls. The easiest way to get ...

*December 12, 2006 by Cherilyn*

**Economics**

There are 10 identical consumers whose demand is D: p = 20 - 10q. There are 10 identical firms, each firm's marginal cost is MC(q)= 5 + 5q. The market is competitive. a) derive the market demand function b) derive the market supply function c) what is the market equilibrium ...

*February 4, 2013 by Andrea*

**Algebra**

Can someone help me do an example like this one. State the application, give the equation of the quadratic function, and state what the x and y in the application represent. Choose at least two values of x to input into your function and find the corresponding y for each. ...

*November 24, 2007 by Alicia*

**English**

Can you please check these sentences for me, please? It's urgent. 1) What do you think about going to the cinema? How about meeting at school? 2) How do I arrive at the school? I put the clothes back in the wardrobe. I put (is "take") the rubbish out once a day. 3) I must have...

*April 7, 2011 by Mike*

**drbob222 math,correction**

i made some corrections for the previous postage can you check those when you get a chance please. Also for this one: my options of answers are: A)2y + 6/3 B)3x- 6 /2 C)2 + 2y D)2/3y + 6 Directions: Solve for x: 3x - 2y =6 3x - 2y = 6 +2y +2y 3x = 6 +2y -- ------ 3 3 so my ...

*January 11, 2007 by jasmine20*

**chem-answer check please**

Compounds like CCl2F2 are known as chlorofluorocarbons, or CFCs. These compounds were once widely used as refrigerants but are now being replaced by compounds that are believed to be less harmful to the environment. The heat of vaporization of CCl2F2 is 289 J/g. What mass of ...

*January 10, 2013 by Samantha*

**Business Accounting**

why does the bank tell you they are "crediting" your account when they increase it and "debiting" your account when they decrease it? I know this is a simple question but I just want to make sure I am currect with my answer before I post it to my class forme. Answer: A bank ...

*May 13, 2009 by Anonymous*

**Chemistry**

HOBr (aq) <----> H+ (aq) + OBr- (aq), Ka = 2.3 x 10^-9 Hypobromous acid, HOBr, is a weak acid that dissociates in water, as represented by the equation. (a) Calculate the value of [H+] in a solution of HOBr that has a pH of 4.95. Ans: 1.1 * 10^-5 M (b) Write the ...

*April 10, 2012 by Confused*

**9th grade algebra**

Can you explain how to find the solutions to the following system of equation problems? Graph f(x) and g(x) to find the solution to the equation f(x) = g(x). Approximate the answer when necessary. 1. f(x) = -2/3x +4 and g(x)= x - 6 Ans: Step1 graph lines. f(x) has y-int of 4 ...

*September 7, 2016 by Alexis*

**pie graph // math**

Jorge and his family went to an amusement park over spring break. They spent $500.00. The pie graph shows how the $500.00 was divided over the trip. Use the pie graph to answer the question. Hotel : 2/5 How much money did Jorge and his family spend on a hotel...

*May 9, 2011 by Lo*

**physics**

A riﬂe ﬁres a(n) 5 g bullet with a muzzle velocity of 360 m/s into a block of wood. The bullet comes to rest after it has made a(n)19 cm deep hole in the wood.A riﬂe ﬁres a(n) 5 g bullet with a muzzle velocity of 360 m/s into a block of wood. The ...

*January 7, 2015 by Anonymous*

**Science**

1. __________ is one type of genetic engineering, in which a normal allele is placed into a virus. (1 point) A color blind test Down syndrome Gene therapy Polygenic inheritance 2. Human insulin can be produced by _______, which introduces DNA from one organism into a _______...

*December 6, 2012 by This Girl*

**English**

Where does Sonya live? She lives in Moscow. With whom does Sonya live? She lives with her father, mother and her little sister Olga. On weekends, where do they go? They go to their dacha. What is a dacha? A dacha is a Russian country house. Who has a dacha? A lot of Russian ...

*April 27, 2013 by rfvv*

**Physics**

*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we are fishing for ...

*October 8, 2006 by Justin*

**math, algebra**

how can i rewrite the following inequality in the form y = mx + b f(x) > x you can't change an inequality into an equality. were you thinking something like f(x) > 1x + 0 ?? no this is how its written in my homework that's why i am confused .

*April 14, 2007 by jasmine20*

**Math**

Wat is 3.5 as a percent? To make a number into a percent, move the decimal point two places to the right. 3.5 = 350% I thought it was. Thank you Ms. Sue.

*June 24, 2007 by Chris*

**anatomy and physiology II**

why does air move into the lungs? Bob Pursley answered this question for you earlier. See you previous post of the same question

*July 13, 2007 by alice*

**Biology**

Why would the population of mountain lions increase in the past 10 years even though humans were expanding into the mountain lion's habitat?

*September 13, 2007 by Maggie R.*

**trigonometry**

I have the trigonometric equations: y=3+2sec(pi/8)(x-3) y=12+4cot(pi/6)(x-1) y=3+7csc(pi/4)(x-1) how do I make these into sine, cosine, and tangent equations so that I can work with them more easily?

*November 7, 2007 by kenny*

**math**

I'm sorry to keep asking, but I really need help finding this windows. Usually I put the x and y values as 10 and -10, but with the numbers I don't know how to do it. Is there any way they can be automatically put into the calculator?

*March 16, 2008 by Mariah*

**chemistry**

A tank contains 0.450 kg of oxygen(O2) compressed into a volume of 2.32 L. Estimate the gas pressure (in atm) inside the tank at 5 degrees celsius.

*April 17, 2008 by Kate*

**physics**

A 85.0 kg person steps into a car of mass 2500.0 kg, causing it to sink 2.5 cm. Assuming no damping, with what frequency will the car and passenger vibrate on the springs?

*April 28, 2008 by help?*

**French**

Hi, i know this is off topic but i was wondering if you could help find a frech-speaking dictionary that will say any word in frech that i type into the computer, online for free. Thanks:)

*June 5, 2008 by Natasha J*

**math**

If $7,800 is deposited into an account paying 6% interest compounded annually at the end of each year, how much money is in the account after 2 years?

*July 31, 2008 by Ann*

**math**

If $7,800 is deposited into an account paying 6% interest compounded annually (at the end of each year), how much money is in the account after 2 years?

*August 23, 2008 by S Davis*

**Biology**

i need the word for following definition: 1 incorporation of materials into organism's body 2 taking in food from the nevironment. I need the answer by tonight.

*September 24, 2008 by R*

**Algebra 1**

I need putting this word sentence into a mathematical sentence. Find the measure of an angle if the sum of the measures of its complement and supplement is 162o.

*November 13, 2008 by Carol*

**physics**

A mass M is split into two parts, m and M - m, which are then separated by a certain distance. What ratio m/M maximizes the magnitude of the gravitational force between the parts?

*December 6, 2008 by johnny*

**Science**

What are the EPA's standards for the maximum amount of cadnium per liter of water? I went on their website, but I did not find any specific amount. Thanks for looking into this.

*March 20, 2009 by Bethany*

**grammar**

how can i correct this sentence into a comma splice sentence. A World Cup victory is not just an everyday sporting event, it is a national celebration.

*September 15, 2009 by terri*

**college**

he forensic technician at a crime scene has just prepared a luminol stock solution by adding 12.0 g of luminol into a total volume of 75.0 \rm mL of \rm H_2O.

*October 19, 2009 by Anonymous*

**finance**

Assume that you deposit $1,104 into an account that pays 7 percent per annum. How much money would be in the account 27 years from today? (

*November 3, 2009 by Anonymous*

**social studies**

Think of way other than by physical characteristics to divide the united states into regions.Describes the locations and features of the regions.

*December 2, 2009 by ada*

**Math**

Deandre deposits into an account that pays simple interest at a rate of per year. How much interest will he be paid in the first years?

*February 26, 2010 by Becca*

**Pre-cal**

Find the vertex of y^2 + 4y + 2x +10 = 0. Use completing the square to put the equation into standard form as your first step. Could you show me how to get the vertex? Thanks

*May 6, 2010 by Randy*

**software**

I became lost when we started doing conditional formatting. Now we are getting into Macros. Any ideas on an easy way to learn and apply Macros?

*May 27, 2010 by Linda*

**science**

explain that rocks are made of minerals and over years break into smaller pieces to become soil. how should i explain please help thank you

*June 6, 2010 by ST*

**math word problem**

Is it possible to put 44 marbles into 10 boxes in such a way that each box has a different number of marbles? Answer: yes no Explain

*June 15, 2010 by M.A.*

**physics**

A 2500N pile-driver ram falls 10m and drives a post 0.1m into the ground. Find the average impact of force on the ram.

*July 27, 2010 by Jen*

**math**

A 270 in pipe is cut into twp pieces. One piece is twice eight time the length of the other. Find the lengths of the pieces.

*October 6, 2010 by Daniel*

**Eurpoean History**

How did imperial forces entice resistant countries into submission? What role did the promise of democracy play? In your opinion, was this promise kept? Why or why not?

*October 21, 2010 by Smith*

**english**

In "The summer people" by Shirley Jackson. What is the stories point of view? For which Character(s) does the narrator give us insights into the mind? Give an example of this.

*November 7, 2010 by chey*

**MATH**

Carmen deposits into an account that pays simple interest at a rate of per year. How much interest will she be paid in the first years?

*December 7, 2010 by AMBER*

**THE SHORT STORY, PART 2**

Which one of the following short stories takes a series of completely ordinary events and develops them into a character study?

*December 29, 2010 by Anonymous*

**Precalc**

how to write each expression into a single logarithm. ln(x-1/x) + ln(x/x+1) - ln((x^(2)-1)) the answer is: -2ln(x+1) steps please i tried solving this but ended up getting this long expression

*February 2, 2011 by Amy~*

**algebra**

Nakia cut a board of 30ft long into 2 pieces. The ratio of the legnths of the 2 pieces is 2:3.what is the length, to the nearest foot, of the shorter piece

*March 3, 2011 by didi*

**English**

I need help with a catchy slogan for a bow with WI-FI connectivity, a pop-up screen, and the ability to change colors and change into all accessories? Can someone help???Thank you!

*March 6, 2011 by Anoymous*

**physic**

A 120-kg box is loaded into the trunk of a car. If the height of the car's bumper decreases by 20 cm , what is the force constant of its rear suspension? looking for N/m

*March 6, 2011 by Randy*

**physics**

Four identical metallic objects carry the following charges: +7.8 µC, +4.2 µC, -2.2 µC, and -4.4 µC. The objects are brought simultaneously into contact, so that each touches the others. Then they are separated.

*March 30, 2011 by Anonymous*

**Science (Asap)**

You learned that a tree can be cut down and shaped into a bat.This is a physical change.What are some of the physical changes we find in nature?

*May 2, 2011 by Frances*

**Physics**

A small ferryboat is 4.00 m wide and 6.00 m long. When a loaded truck pulls onto it, the boat sinks an additional 4.80 cm into the water. What is the weight of the truck?

*June 25, 2011 by Kelsey*

**History-Civil War**

What was the biggest challenge faced by the federal government at the end of the war in reintergrating the South into the United States of America ?

*July 1, 2011 by Joanne*

**cal**

If a ball is thrown into the air with a velocity of 41 ft/s, its height (in feet) after t seconds is given by y = 41t − 16t^2. Find the velocity when t = 1.

*October 18, 2011 by JJ*

**chemistry**

A chemist titrates 17.44 mL of 0.346 M NaOH into a flask containing 50.13 mL of 0.179 M HCl. When the titration is complete, the pH of the solution in the reaction flask is? 12.64 .0919 1.36 2.22 11.78

*December 5, 2011 by Anonymous*

**Physics**

14. You throw a 2 kg. Stone straight up into the air with a velocity of 6m/s. What is the max height of the stone and the total time it takes for it to come back down?

*December 7, 2011 by Sarah*

**Physics**

14. You throw a 2 kg. Stone straight up into the air with a velocity of 6m/s. What is the max height of the stone and the total time it takes for it to come back down?

*December 7, 2011 by Sarah*

**Physics**

14. You throw a 2 kg. Stone straight up into the air with a velocity of 6m/s. What is the max height of the stone and the total time it takes for it to come back down?

*December 7, 2011 by Sarah*

**Physics**

14. You throw a 2 kg. Stone straight up into the air with a velocity of 6m/s. What is the max height of the stone and the total time it takes for it to come back down?

*December 7, 2011 by Sarah*

**algebra**

a cannonaball is fired stright up into the air at a speed of 80 ft/sec from a height of 2ft. A. when will the cannon ball be 98 ft in the air? B. when will the cannonball hit the ground?

*January 27, 2012 by poi*

**English - Native speakers**

Please paraphrase the phrase into a bit simpler English involving arrested development of engorged stages or of eggs.

*February 10, 2012 by Mark*

**Chemistry**

How much carbon dioxide has to be bubbled into aqueous sodium hydroxide to obtain a solution containing 3.5 mol of sodium hydrogen carbonate?

*February 12, 2012 by Amanda*

**Embedded Software**

How would you write a linux program to read data from a joystick, and turn that data into a command that is pushed onto the queue?

*February 24, 2012 by Adhi*

**Finance**

7. Describe at least two factors of an investment that you would want to consider before putting money into that specific investment. (2-4 sentences. 2.0 points)

*March 7, 2012 by Anonymous*

**english**

rewrite each sentence to improve emphasis, using guidelines in parentheses the flights of man into space are truly astonishing (inverted sentence)

*April 4, 2012 by Doctor Who*

**english**

Rewrite the sentence to improve emphasis, using the guidelines in parenthesis. The flights of man into space are truly astonishing (inverted sentence)

*April 4, 2012 by Doctor Who*

**algerbra**

Donna deposits into an account that pays simple interest at a rate of 5% per year. How much interest will she be paid in the first 6 years?

*April 23, 2012 by dani*

**physics**

if you were in a spaceship in the furthest depths of space, and you fired a cannonball into space, what force would you have to exert on the ball to keep it moving?

*May 2, 2012 by lisa*

**Spanish-Please check**

I had to change these into the past tense preterite are they correct tú presentarse would it be tú presentaste él sentirse would it be él se sintió

*May 3, 2012 by Sara*

**Environmental Chemistry**

Calculate the pH when the following volumes of 10^(-1,1) M XOH are added into 1 L of a 10^(-2.5) M HA solution. XOH is a strong base and HA is a weak monoprotic acid (pKa=4.5)

*May 8, 2012 by Dauren*

**adv functions**

a pie is cut into 8 equel slices. if a person wants 0.75(pie sign) centimetre of crust, about how many pieces should they take?

*May 12, 2012 by chris*

**chem**

A sample of silver with a mass of 63.3 g is heated to a temperature of 384.4 K and placed in a container of water at 290.0 K. How much heat is released into the water?

*May 20, 2012 by Anonymous*