Thursday

February 23, 2017
Total # Posts: 632

**math**

I don't no

*September 13, 2012*

**math**

Draw one more rectangle using a ratio of 1:3 (a rectangle that is triple the width and length of the original shape). Determine and label the perimeter and area.

*August 3, 2012*

**CHEMISTRY**

. For which reaction is ƒ´Ssys ƒ® 0? A) CH4(g) + 2 O2(g) ¡÷ CO2(g) + 2 H2O(l) B) NH3(g) + HCl(g) ¡÷ NH4Cl(s) C) 2 NH4NO3(s) ¡÷ 2 N2(g) + O2(g) + 4 H2O(g) D) HCl(aq) + NaOH(aq) ¡÷ NaCl(aq) + H2O(l)

*August 1, 2012*

**CHEMISTRY**

14. Calculate ƒ´S0 for the formation of 1 mol of HI(g) from its elements given the following information: S0[H2(g)] = 131 J/mol∙K S0[I2(s)] = 116 J/mol∙K S0[HI(g)] = 206 J/mol∙K. A) 82 J/K B) 165 J/K C) 247 J/K D) 329 J/K

*August 1, 2012*

**CHEMISTRY**

The standard molar entropy of lead(II) bromide (PbBr2) is 161 J/mol • K. What is the entropy of 2.45 g of PbBr2? a. +1.07 J/K d. –161 J/K b. –1.07 J/K e. 0 J/K c. +161 J/K

*August 1, 2012*

**CHEMISTRY**

The entropy of a NaCl crystal is __________ a. an intensive property and a state function. b. an intensive property and a path function. c. an extensive property and a state function. d. an extensive property and a path function. e. not appropriately described in terms of an ...

*August 1, 2012*

**CHEMISTRY**

During a spontaneous chemical reaction, it is found that äSsys < 0. This means __________ a. äSsurr < 0 and its magnitude is < äSsys. b. äSsurr < 0 and its magnitude is > äSsys. c. äSsurr > 0 and its magnitude is < äSsys...

*August 1, 2012*

**CHEMISTRY**

If 1 mol of ice melts at its melting point of 273 K, the entropy change for the ice is 22.0 J/K. If the ice melts in someone’s hand at 34°C, what is the change in the entropy of the universe? Assume a final temperature for the water of 0°C. The enthalpy of fusion ...

*August 1, 2012*

**CHEMISTRY**

What is the entropy change to the surroundings when 1 mol of ice melts in someone’s hand if the hand temperature is 32°C? Assume a final temperature for the water of 0°C. The heat of fusion of ice is 6.01 kJ/mol. a. –188 J/K d. +19.7 J/K b. –22.0 J/K e...

*August 1, 2012*

**math**

For a tall kitchen bag the volume is set to be 240 in3. a. Write the polynomial K(x) = V(x) – 240 = _______________?

*July 29, 2012*

**Integrated Math 1**

Transformations

*July 25, 2012*

**please help! :( math!**

Transformations

*July 25, 2012*

**satistics**

n=18,x=14,p=0.75 using binomial probablility

*July 23, 2012*

**acc/291**

2 Foren Corporation had the following transactions pertaining to debt investments. Jan. 1 Purchased 50 8%, $1,000 Choate Co. bonds for $50,000 cash plus brokerage fees of $900. Interest is payable semiannually on July 1 and January 1. July 1 Received semiannual interest on ...

*June 16, 2012*

**physics**

two balls of different masses are thrown vertically upward with same initial velocity .calculate the ratio of ratio of maximum height attained by them

*May 22, 2012*

**Management**

Yes, those are the correct answers.

*May 17, 2012*

**english**

In what ways does Peter Pan (the play) explore notions of masculinity and femininity for its time period? Based on examples from the text, what is expected of boys/men and girls/women?

*April 27, 2012*

**english**

Put parentheses around the prepositional phrases. Identify the subject, verb, and any complements (direct object, indirect object, subject complement, objective complement). 1. Take the box to your mother. 2. Sandy's throw to first base was short. 3. Maine's eastern ...

*April 22, 2012*

**World history**

Why do you suppose the leaders of newly independent nations in southeast Asia tended to be repressive, corrupt, or both?

*April 12, 2012*

**math**

18 roses and 6 tulips coast $66. What is the unit price for each kind of flower?

*April 8, 2012*

**physics**

a) 14m/s b) 98 m/s^2 c) ? d) 0.10

*April 6, 2012*

**physics**

Two charged particles of equal magnitude (+Q and −Q) are fixed at opposite corners of a square that lies in a plane (see figure below). A test charge +q is placed at a third corner. +Q +q −Q What is the direction of the force on the test charge due to the two other...

*March 4, 2012*

**physics**

(1) Dervive an expression for the maximum speed of v of electron in terms of V,me, and e. (2) The electron is replaced with a proton that starts from rest at the positive plate and travels toward the negative plate. Compare the maximum speed of the protons to the maximum speed...

*February 20, 2012*

**Math**

If the principal P = $900, the interest I = $882, and time t = 7 years. What is the rate? What is the future value?

*January 29, 2012*

**math**

a farmer has 76 feet of fencing and wants to build a rectanglur pen for his chicken. he wants the greatest area possible, what dimensions should he use?

*January 19, 2012*

**Geometry**

Find the perimeter of PQR with vertices P(-2, 9), Q(7, -3), and R(-2, -3).

*January 13, 2012*

**math**

So I have to find percent of it

*January 9, 2012*

**physics**

an air puck of mass 0.347 kg is tied to a string and allowed to revolve in a circle of radius 1.09 m on a horizontal, frictionless table. The other end of the string passes through a hole in the center of the table and a mass of 1.48 kg is tied to it. The suspended mass ...

*December 17, 2011*

**Chemistry**

Suppose 0.30 g of ethane is mixed with 0.47 g of oxygen. Calculate the maximum mass of water that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits.

*December 6, 2011*

**ALGEBRA**

Many states offer personalized license plates. California, for example, allows personalized plates with seven spaces for numerals or letters, or one of the following four symbols. What is the total number of license plates possible using this counting scheme? (Assume that each...

*November 26, 2011*

**ALGEBRA**

ok I came up with I=Prt =500(.20)(1/12)=$8.30 is this correct.

*November 26, 2011*

**ALGEBRA**

Well that is the question.I really do not know.

*November 26, 2011*

**ALGEBRA**

Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. (Round your answer to the nearest cent.) $500 balance, 20% rate, $50 payment, previous ...

*November 26, 2011*

**ALGEBRA**

5,478-$478=$5,000 $112.08*60=$6,724.8 $6,724.8-$5,000=$1,724 $1,724/5=344.8 $344.8/$5,000=0.06896= 7.0% is this correct.

*November 26, 2011*

**ALGEBRA**

A car dealer will sell you a used car for $5,478 with $478 down and payments of $112.08 per month for 60 months. What is the simple interest rate? (Round each answer to the nearest tenth.)

*November 26, 2011*

**ALGEBRA**

Thanks for your help.You people need to learn how to talk to people.I was recently burned out of my house,and all of my books and everything was loss in the fire, so I do not have my book for a guide.If you feel like that do not respond to me,thats why I have asked for steps ...

*November 26, 2011*

**ALGEBRA**

Suppose you have a $1,000 charge on a credit card charging 1% monthly interest using the adjusted balance method. The minimum payment due in May is $50. How much will you save in interest charges in June by paying $100 instead? Steps please.

*November 26, 2011*

**ALGEBRA**

Suppose you have a $1,000 charge on a credit card charging 1% monthly interest using the adjusted balance method. The minimum payment due in May is $50. How much will you save in interest charges in June by paying $100 instead? Steps please.

*November 26, 2011*

**ALGEBRA**

Suppose you have a $1,000 charge on a credit card charging 1% monthly interest using the adjusted balance method. The minimum payment due in May is $50. How much will you save in interest charges in June by paying $100 instead? Steps please.

*November 26, 2011*

**ALGEBRA**

Suppose you have a $1,000 charge on a credit card charging 1% monthly interest using the adjusted balance method. The minimum payment due in May is $50. How much will you save in interest charges in June by paying $100 instead? Steps please.

*November 26, 2011*

**ALGEBRA**

Determine the comparable interest rate for a $70,000 loan when the quoted information is 10.2% + 0.5 pt + $200. (Round your answer to two decimal places.) Just need the steps to solve this problem.

*November 26, 2011*

**ALGEBRA**

Suppose that you want to purchase a home for $450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 40% down. Assume that the monthly cost to finance $1,000 is $6.00. What is the total amount of interest paid on the 30 year loan? I need help.Steps please.

*November 26, 2011*

**ALGEBRA**

Suppose you see a car with an advertised price of $30,250 at $605.15 per month for 5 years. What is the amount of interest paid? I need help with this problem.Please give me the steps to figure this problem out.

*November 26, 2011*

**ALGEBRA**

Yes this help a lot. Thanks. What I came up with is (a)amount to be financed is $46,046 the down payment is 414,414 (b)amount to be financed is $584,000 the down payment is $146,000 is this correct.

*November 25, 2011*

**ALGEBRA**

Determine the down payment and the amount to be financed for each home described below.(a) $460,460; 10% down The amount to be financed is $ The down payment is $ (b) $730,000; 20% down The amount to be financed is $ The down payment is $ I need help with this.Please show me ...

*November 25, 2011*

**ALGEBRA**

I guess that what I am talking about.Ok I have another problem evaluate expressions C(8,3)C(4,2)C(4,1) now I am confused on how to do this, the problem is set up just like this can you please explain to me how to do this in steps.

*November 23, 2011*

**ALGEBRA**

Evaluate the expression. (8/6) I came up with 28 with the combination formula.Is this correct.

*November 23, 2011*

**ALGEBRA**

Convert the following credit card rate to the APR. Oregon, 1 3/4% per month Ok I came up with $23.14% is this correct. If not please help.

*November 23, 2011*

**ALGEBRA**

Find the amount of compound interest earned in an account that opens with $27,000, earns 4.6% interest compounded daily, and is held for 25 years. Assume 360 days in a year. (Round your answer to the nearest cent.) I came up with $85,264.94 is this correct if not I need help!!!

*November 23, 2011*

**ALGEBRA**

Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. (Round your answer to the nearest cent.) $500 balance, 20% rate, $50 payment, previous ...

*November 23, 2011*

**ALGEBRA**

Thanks Lee

*November 23, 2011*

**ALGEBRA**

If the principal P = $900, the rate r = 7 1/2 %, and time t = 1 year, find the following. What is the amount of interest? What is the future value? Ok found I think I found the interest 900x0.075=67.50 is this correct.Now I need help in finding the future value.

*November 23, 2011*

**ALGEBRA**

Thanks,drwls I see where I made a mistake with the 0.95 but where did the 240 come from.

*November 23, 2011*

**ALGEBRA**

Find the ending balance in an account that opens with $3,180, earns 11.5% interest compounded monthly, and is held for 20 years. (Round your answer to the nearest cent.) B=p(12+r)^n B=3,180(12+0.95)^20 B=1,759.52 Is this correct if not, can someone help me with the steps.

*November 23, 2011*

**ALGEBRA**

Find the amount of interest and the monthly payment for the loan. Purchase a living room set for $3,400 at 12% add-on interest for 4 years. (Round your monthly payment to the nearest cent.) interest-$192.00 per month -$12.33 is this correct

*November 21, 2011*

**ALEGEBRA**

Thanks!

*November 21, 2011*

**ALEGEBRA**

ok well do not respond. I just need the steps even if it is with different numbers.THANKS WRITEACHER

*November 21, 2011*

**ALEGEBRA**

If you purchase an item for $1,232 at an interest rate of 9.8%, and you finance it for 1 year, how much is the amount of add-on interest? (Round your answer to the nearest dollar.)

*November 21, 2011*

**ALGEBRA**

If the principal P = $900, the rate r = 7 1/2 %, and time t = 1 year, find the following. What is the amount of interest? What is the future value?

*November 21, 2011*

**ALGEBRA**

From a survey of 100 college students, a marketing research company found that 70 students owned iPhones, 35 owned cars, and 25 owned both cars and iPhones. (a) How many students owned either a car or an iPhone (but not both)? b) How many students do not own either a car or an...

*November 21, 2011*

**ALGEBRA**

Suppose you see a car with an advertised price of $30,250 at $605.15 per month for 5 years. What is the amount of interest paid

*November 21, 2011*

**ALGEBRA**

From a survey of 100 college students, a marketing research company found that 65 students owned iPhones, 40 owned cars, and 30 owned both cars and iPhones. (a) How many students owned either a car or an iPhone (but not both)?

*November 20, 2011*

**ALGEBRA**

What is the 50th consecutive even number?

*November 20, 2011*

**ALGEBRA**

A club with 34 members is to select five officers (president, vice president, secretary, treasurer, and historian). In how many ways can this be done?

*November 16, 2011*

**ALGEBRA**

how many permutations are there of the following word. mathematics

*November 16, 2011*

**Algebra**

At the time of George W.Bush's presidency, there have been 43 presidents of the United States. Draw a Venn diagram showing the following facts about where each served before assuming the presidency. How many presidents served as vice-president and in the Senate, but did ...

*November 9, 2011*

**Algebra**

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. 37 said they drove alone. 38 rode in a carpool. 25 rode public transportation. 6 used both carpools and public transportation. 10 used both a carpool and sometimes ...

*November 9, 2011*

**Algebra**

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. 37 said they drove alone. 38 rode in a carpool. 25 rode public transportation. 6 used both carpools and public transportation. 10 used both a carpool and sometimes ...

*November 9, 2011*

**Math**

Given a standard normal distribution, determine the following. Show Table Values used in each part. a) P(Z<1.32) b) P(Z>1.32) c) P(Z< -1.32) d) P(-0.30<Z<0) e) P(0.51<Z<2.0)

*October 30, 2011*

**Math**

A company is considering offering child care for their employees. They wish to estimate the mean weekly child-care cost of their employees. A sample of 10 employees reveals the following amounts spent last week in dollars. 107 92 97 95 105 101 91 99 95 104 Develop a 90% ...

*October 30, 2011*

**chemistry**

+14

*October 25, 2011*

**chemistry**

Thank you soo muchh (:

*October 12, 2011*

**chemistry**

Silver chloride decomposes in light to produce silver and chlorine. What mass of silver is produced when 25g of silver chloride completely decomposes? What volume of chlorine is produced at STP?

*October 12, 2011*

**chemistry**

Silver chloride decomposes in light to produce silver and chlorine. What mass of silver is produced when 25g of silver chloride completely decomposes? What volume of chlorine is produced at STP?

*October 12, 2011*

**statistics**

The credit card industry has determined that about 65% of college student ls will be late making a minimum payment when paying their credit card every year atleast once. If 10 randomly selected students who own a credit card is selected what is the mean and standard deviation ...

*September 30, 2011*

**Physics**

Hi! Ijust have one question that I don't know how to do: (a)How long will it take a freely falling body to acquire a speed of 58.8 m/s^2.(b) How far will it have fallen during that time?

*September 21, 2011*

**physics**

A ball is projected horizontally from the edge of a table that is 1.2 m high, and it strikes the floor at a point 1.11 m from the base of the table.The acceleration of gravity is 9.8 m/s2 .How high is the ball above the floor when its velocity vector makes a −54.3153...

*September 20, 2011*

**science**

5.00 lb of mercury is spilled onto a counter and forms a circular puddle with a diameter of 67.2 cm. Assuming the puddle is cylindrical shape, what is the thickness of the puddle of mercury? Extra info: [1 lb = 435.6 g. Mercury is a liquid metal having a density of 13.6 g/mL. ...

*September 6, 2011*

**statistics**

What score in a distribuiton that has a mean of 500 and a standard deviaiton of 100, would identify the top 60% of scores?

*September 4, 2011*

**Physics**

Consider a disk of radius 2.6 cm with a uniformly distributed charge of +3.6 µC. Compute the magnitude of the electric ﬁeld at a point on the axis and 3.3 mm from the center. The value of the Coulomb constant is 8.98755 × 10^9 Nm2/C2. Answer in units of N/C ...

*September 1, 2011*

**math**

Your sock drawer has 10 blue socks, 16 red socks, and 12 white socks. If you reach into the drawer in the dark, how many socks do you need to pull out to be sure you have a matching pair? I can't figure out.

*August 29, 2011*

**math**

Your sock drawer has 10 blue socks, 16 red socks, and 12 white socks. If you reach into the drawer in the dark, how many socks do you need to pull out to be sure you have a matching pair? I can't figure out.

*August 29, 2011*

**social**

describe black hole of calcutta

*August 27, 2011*

**MATHS**

A PERSON HAS 1&2 RUPEE COINS WITH HIM.TOTAL NUMBER OF COINS WITH HIM IS 50.TOTAL AMOUNT WITH HIM IS 75.FIND HOW MANY 1&2 RUPEE COINS ARE THERE WITH HIM

*August 22, 2011*

**MATHS**

A PERSON HAS 1&2 RUPEE COINS WITH HIM.TOTAL NUMBER OF COINS WITH HIM IS 50.TOTAL AMOUNT WITH HIM IS 75.FIND HOW MANY 1&2 RUPEE COINS ARE THERE WITH HIM

*August 22, 2011*

**mathematics**

a person has 1&2 rupee coins with him total amount with him is 75.total number of coins with him is 50.find how many 1&2 rupee coinsare there with him.

*August 21, 2011*

**mathematics**

a person has 1&2 rupee coins with him total amount with him is 75.total number of coins with him is 50.find how many 1&2 rupee coinsare there with him.

*August 21, 2011*

**math**

On a test whose distribution is approximately normal with a mean of 50 and a standard deviation of 10, the results for three students were reported as follows: Student Opie has a T-score of 60. Student Paul has a z-score of -1.00. Student Quincy has a z-score of +2.00. Obtain ...

*July 29, 2011*

**Math**

Simplify (x-2)^2/2x+4 times (x^2+4x+4)

*July 3, 2011*

**math/algebra**

Use the exponential decay equation, to find the half-life of a material that decays from 40mg to 30mg in 10 hours.

*June 13, 2011*

**Biology(HELP ME!!!)**

Wow,this is from 4 years ago..... Woah!

*May 23, 2011*

**Integrated Physics and Chemistry**

In a four internal combustion engine,the gas vapor/air mixture is pressurized during what stroke

*May 4, 2011*

**biology**

What is the typical habitat of a human?

*May 2, 2011*

**accounting**

Carlton company had assetsof $280,000 & liabilities of $120,000 at the beginning of the year and assets of $400,000 & liabilities of $140,000 at the end of the year. During the year, the owner invested an additional $40,000 in the business, and the company made withdrawals of...

*April 20, 2011*

**Com/155**

What do you mean?

*April 19, 2011*

**Com/155**

Read the summary paragraph on the bottom of p. 37. Identify the author’s goal in writing the paragraph. How effectively do you think the author met that goal? The paragraph is below. Hockenbury and Hockenbury tell us that daily hassles often cause more stress than major ...

*April 19, 2011*

**Calculus**

Hi, I need someone to double check my answer because it doesn't seem right to me. Find the centroid of the region bounded by y=0 and y = x^2 -2x. I calculated the area to be 4/3 and centroid (1, 0.4)... is that correct? Thanks in advance!

*April 18, 2011*

**Spanish**

HAHAHA!!! Whay would you post something like this?

*April 18, 2011*

**math**

+HOW MANY 3 GO IN TO

*April 10, 2011*

**math**

HOW MANY 3GOIN TO

*April 10, 2011*