Tuesday

May 31, 2016
Total # Posts: 288

**science**

calculate delta E & delta H when 100dm^2 of helium at S.T.P are heated to 373k in a closed container. assuming that the gas behaves ideally and CV=12.55g/mol
*May 24, 2016*

**math**

also the answer choices i have are: a. 95.13 ft^2 b. 137.52 ft^2 c. 335.34 ft^2 d. 336.45 ft^2
*May 19, 2016*

**math**

i'm supposed to find an area of a figure but i'm not sure what it is so therefore i don't know the formula. basically, it kind of looks like a capsule but more roundish like an oval. there's two lines down the middle that both measure at 18 ft. the bottom on ...
*May 19, 2016*

**English**

no, all the expressions cannot be used. 3, 4, 5, 6 are commonly used
*May 19, 2016*

**Math**

A mixture of peanuts and walnuts sells for $3 per pound. How many pounds of peanuts at $1.50 per pound should be mixed with 12 pounds of walnuts at $4 per pound
*April 14, 2016*

**Geometry **

An unsharpened pencil is a regular hexagonal prism of wood with a cylinder of graphite in the middle. The hexagon has a side of 4mm. The graphite is 2mm in diameter. The pencil is 180 mm long. Determine the volume of wood in the pencil.
*April 13, 2016*

**math**

Children are usually ready to understand the concept of length measurement if:
*February 22, 2016*

**math**

at this rate how many trucks would pass Luann if 90 vechicles passed her
*February 2, 2016*

**physics**

a cyclist does work at the rate of 500w while riding. how much force does her foot push with, when she is traveling at 8.0 m/s?
*January 22, 2016*

**math**

14.2 is 35.5% of what number? 3/4 is 60% of what number? What number is 25% of 7/8?
*January 21, 2016*

**Algebra 2**

Write the standard form of the line that passes through the point (1, 5) and is parallel to the x-axis. Include your work in your final answer.
*January 11, 2016*

**math**

A truck driver drive 49 miles in 1 1/3 hours. What was the average speed in miles per hour for this trip? Write the answer as a mixed fraction.
*December 17, 2015*

**Math**

Please solve: t/2 + t/6 = 2.
*September 22, 2015*

**algebra**

Layla wants to buy fish, chicken or some of each. The fish cost $4 per pound and the chicken cost $3 per pound. She will spend at least $11 no more that $15. What is the system of inequalities to model this is situation
*August 16, 2015*

**chemistry**

Did you figure out the answer?
*April 29, 2015*

**Math**

Lions spend about 5/6 of their days sleeping. How many hours a day does a lion sleep?
*April 13, 2015*

**chemistry**

2H[2}S(g) + 30[2] (g) arrow 2SO[2] (g) + 2H[2]O (g)
*March 26, 2015*

**chemistry**

I have an IEP and they don't care and they aren't following the IEP guidelines either. I am drowning.
*March 26, 2015*

**chemistry**

What is the theoretical yield of H[2]O (in grams) if 8.3 mol H[2]S were consumed in the above reaction? If 137.1g of water was actually collected after the reaction, what is the percent yield? I have no idea to do this problem. I am not good in math at all and currently taking...
*March 26, 2015*

**writing**

She forcefully _______ her view that something needs to be done to reduce crime in the city in front of city council. A. asserted B. snarled C. murmured D. commented
*February 26, 2015*

**Math**

A girl's club is selling hats to raise money. They ordered 500 hats that cost$5.15 each. They will sell the hats for $18.50 each. All the hats were sold. How do you find the amount of money the club made after expenses?
*February 23, 2015*

**calculus**

area of ring is pi*r^2, not 2pi*r (circumference).
*February 19, 2015*

**Math**

A factory whistle blows every 30 minutes. The clock tower chimes every 15 minutes. If they both sounded at 1:00 p.m., at what time will you hear them both at the same time again?
*February 4, 2015*

**math**

Franco hikes 4 miles each day for 5 days. He carries 100 ounces of water with him. It takes him 1 hour to hike 4 miles. How many hours did he hike in 5 days?
*January 26, 2015*

**Math proportions**

If the wait time in line to ride a roller coaster is 20 minutes for 150 people how long is the wait time for 240 people? 240-150 = 90 people 150 people = 20 minutes 90 people= 40 minutes?
*January 21, 2015*

**MAT222**

Thank you Steve
*January 15, 2015*

**MAT222**

I would like to know if the following are correct and if not how and what did I do wrong. 27^-2/3 27^-1/3 = 27^-2/3 - -1/3 = 27^-3/3 sqrt 27 (a^1/2b)^1/2 (ab^1/2) = a^5/4b
*January 15, 2015*

**alegbra 1**

I am not sure what you are aiming for. Mainly because you have not stated if this is an "and" , "or" equation. Hope this helps. Problem: Solve x+y=5;x−3y=3 Steps: I will try to solve your system of equations. x+y=5;x−3y=3 Step: Solve x+y=5 for x...
*January 15, 2015*

**English**

But i can't find my book on them. I read the book like a year ago and now i don't remember anything.
*January 13, 2015*

**English**

well both Michael Faraday and Nikola Tesla i need to write a 2 paragraphs Be sure to include specific details about each scientist’s life, career, and personality in your response.
*January 13, 2015*

**English**

Michael Faraday
*January 13, 2015*

**English**

And plus i have finals in Two Hours and i kinda need help with it.So please help me out Thank you.
*January 13, 2015*

**English**

Well i kinda didn't really study for it.And i need the answer For the question. Please help me out.
*January 13, 2015*

**English**

Score 1. Choose two of the scientists you read about in the Stories of Scientists unit. Compare and contrast these scientists. Answer this question in no fewer than two paragraphs. Be sure to include specific details about each scientist’s life, career, and personality ...
*January 13, 2015*

**Math**

Kayla went to a football game. Her team scored 6 times, and got the extra point each time. A touchdown with an extra point is worth 7 points. How many points did her team score? If the other team scored 2 more times than her team and got 7 each time, how many points did they ...
*January 12, 2015*

**Calculus**

Lines tangent to the curve y-1=2x^2+3x pass through the point A(2,-1). Find the x-coordinate(s) of the point(s) of tangency. The answer is 2+2^1/2, 2-2^1/2, I just don't know how to get there. Please help! Thank you!
*December 7, 2014*

**physics**

A 61.0 -kg bungee jumper is standing on a tall platform (h0 = 46.0 m), as indicated in the figure. The bungee cord has an unstrained length of L0 = 9.00 m, and when stretched, behaves like an ideal spring with a spring constant of 76.0 N/m. The jumper falls from rest, and it ...
*November 25, 2014*

**Chemistry**

Polar
*November 12, 2014*

**Math**

Each digit in the division example has been replaced with the same letter throughout. (r stands for remainder.) The digits used wher 1,2,3,4,5,7,and 9. Find the numbers SU rE ------ )CAN -CU ------- IN - IU ------- E
*October 29, 2014*

**math (need check answer)**

oh instead of 14x + 8y, i should be switch around to 3x + 4y, now I get it. thank you :)
*October 8, 2014*

**math (need check answer)**

You are buying balloons for a party. A small balloon cost $3. A large balloon cost $4. Write an algebraic expression for the cost of x small balloons and y large balloons. Then find the total cost for 14 small balloons and 8 large balloons. Q1: An algebraic expression for the ...
*October 8, 2014*

**algebraic expression**

thank you ms.sue
*October 6, 2014*

**algebraic expression**

please check my answer!!!
*October 6, 2014*

**algebraic expression**

Lindsey has 47 coins in her change purse that are either dimes or quarters. If n represents the number of quarters she has, write an expression in terms of n that describes the number of dimes. The algebraic expression is _________ My answer is D + n = 47, am i correct?
*October 6, 2014*

**math**

an office manager is renting a local hall for un upcoming event. The hall costs $200. The food costs $14 per person. The office manager is not sure how many people will attend. Which quantity is not a variable quantity - the cost to rent the hall, the number of people who will...
*October 6, 2014*

**Math**

Thank you Ms. Sue.
*October 6, 2014*

**Math**

I got 53
*October 6, 2014*

**Math**

I don't understand the 30/(9/16) and after.
*October 6, 2014*

**Math**

DVD cases are 9/16 inch wide.. If Juan has 60 DVDs how many will fit on one shelf. Shelves are 2 1/2 ft long.
*October 6, 2014*

**Sociology**

Research on children raised in orphanages has found that?
*September 23, 2014*

**chemistry**

AgNO3 + NaCl ---> AgCl + NaNO3
*September 13, 2014*

**algerbra**

translate the equation 3 over 5-5=x(y+7)into a verbal sentence
*June 19, 2014*

**geography**

thanks cam u da man! 100% :)
*May 22, 2014*

**Chemistry **

Consider the following reaction: CaCO3(s)→CaO(s)+CO2(g). Estimate ΔG∘ for this reaction at each of the following temperatures. (Assume that ΔH∘ and ΔS∘ do not change too much within the given temperature range.) for 310K,1070,1470 this is...
*May 19, 2014*

**statistics (6)**

1023
*April 22, 2014*

**government**

How do ideological parties and single-issue parties differ from one another? A. Ideological parties tend to be more liberal, while single-issue parties tend to be more conservative. B. Ideological parties focus on certain beliefs, while single-issue parties focus on one main ...
*March 27, 2014*

**Math**

A store sells used DVDs for $8 each and used videotapes for $6 each. Write a function rule to represent total selling price of DVDs and videotapes. Then use the function rule to find the price if 5 DVDs and 3 videotapes
*February 24, 2014*

**Physics **

Two automobiles, each of mass 800kg , are moving at the same speed, 18m/s , when they collide and stick together. At what speed does the wreckage move if one car was driving north and one east.
*February 21, 2014*

**physics**

a block with a mass of 3.7 kg slides with a speed of 2.2 m/s on a frictionless surface. the block runs into a stationary spring and compresses it a certain distance before coming to rest. what is the compression distances, given that the spring has a spring constant of 3200 N/m?
*February 11, 2014*

**Health (Ms. Sue)**

Wow really that's so helpful ms.Sue. At least give them ur opinion!
*December 17, 2013*

**science**

An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT?
*December 6, 2013*

**algebra 1**

Find C intersection D. C: {3, 6, 9, 12, 15, 18} D: {numbers divisible by 2 from 1 to 20} {2, 4, 6, 8, 10, 12, 14, 16, 18, 20} {6, 12, 18} {2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20} { } I really think its the second one but im so confused.
*November 1, 2013*

**math **

y = -1/6 x + 5 identify the slope and the y-intercept of the equation.? how you would graph this line using the slope-intercept method. ? my teacher is saying im still getting the wrong answer:( please help
*October 11, 2013*

**math**

–x + 6y = 30 y = -1/6 x + 5 how do I identify the slope and the y-intercept of the equation for the second one and change the equation into slope-intercept form for the first one? I will do the rest on my own thanks
*October 11, 2013*

**physic**

ferryboat traveling at a speed of 30 km/h attempts to cross a river with a current of 5 km/h. What is the boat's speed relative to the shore?
*September 24, 2013*

**alg 1 help?**

If A = {0, 1, 2, 3} and B = {c−3, −2, −1}, what is A ¿ B? ? help?:(
*September 12, 2013*

**math (long div.)**

please help me solve long division :( 1.)8 divided by 6984 (0.00114548) 2.)48 divided by 7584 (0.00632911) 3.)35 divided by 19933 (0.00175588) I know the answer to all of them but I don't know how to solve it the long way .
*August 29, 2013*

**Maths**

Jessica needs to construct a rectangular outdoor dog pen. The pen must have 4 sides. I need to draw 6 different shaped rectangular pens, seen from the top, using 24m of fencing.
*August 8, 2013*

**language**

Write these words in alphabetical order. Alphabetize them to the second letter. grim, blot, sum, build, shelf
*July 29, 2013*

**alg 1**

6(4) ÷ 2 − 1 + 5 I don't understand how to do it step by step
*July 10, 2013*

**PSYCHOLOGY**

What are the three most significant concepts you have learned in this course that you would include in a speech supporting incorporation of health psychology concepts into health care policy? Please explain why you would incorporate (why are they important?)
*June 18, 2013*

**Pre-Calculus**

can someone help me with figuring out my math and explaining it to me. or How to use the calculator with the problems ?
*June 9, 2013*

**(chem) this will make me or break me :(**

1.If the pressure of the gas in a 2.31 L balloon is 0.120 atm and the volume increases to 7.14 L, what will be the final pressure of the air within the balloon? Round to the nearest hundredth. Don't forget the units. 2.At a pressure of 2 atm, hydrogen gas occupies a volume...
*May 23, 2013*

**chem word problem**

A balloon is filled with 14 L of gas at 302 K. What is its temperature in Kelvin when the volume expands to 20 L? Round to the nearest whole number. Don't forget the units.
*May 10, 2013*

**Calculus**

Differentiate ln(cos(2x))
*May 1, 2013*

**chem (boyles and charles law)**

A 1.00L balloon is filled with helium at 1.20 atm.If the balloon is sqeezed into a 0.500L beaker and doesnt burst ,what is the pressure of the helium?
*April 28, 2013*

**chemistry (charles law)**

A 4.0L sample of methane gas is collected at 30.0 celcius .predict the volume of the sample at 0 celcius.
*April 28, 2013*

**chemistry (charles law)**

1.)A ballon is filled with 3.0L of helium at 310k.The balloon is placed in an oven where the temputure reaches 340k.what is the new volume of the ballon?
*April 28, 2013*

**english**

find the simple suject of each sentence Please describe the music
*April 10, 2013*

**math ALG 2!**

Write the following value in standard notation. 2 x 10-6
*March 19, 2013*

**math ALG 2!**

Write the following value in standard notation. 3.14 x 10-5
*March 19, 2013*

**math ALG 2!**

Write the following value in standard notation. 3.89 x 104
*March 19, 2013*

**math ALG 2!**

Write the following value in standard notation. 4.25 x 106
*March 19, 2013*

**math ALG 2!**

Write the following value in scientific notation. 0.00003165 i dont understand?
*March 19, 2013*

**math ALG 2!**

Write the following value in scientific notation. 0.00000021 i think its 2.1x10 but i really think its wrong
*March 19, 2013*

**math ALG 2!**

Write the following value in scientific notation. 7,400,000 7.4x10^3? help?
*March 19, 2013*

** math ALG 2!**

Write the following value in scientific notation. 23,000,000 i dont understand
*March 19, 2013*

**math ALG 2!**

A blue bike is $14 less than a red bike. The sum of their prices is $300. How much is the red bike? i thought it was 123 but i think its wrong.plz help
*March 19, 2013*

**math ALG 2!**

Four times a certain number is the same as the number increased by 78. Find the number i thought it was 20.plz help
*March 19, 2013*

**math**

how do you solve: input __ 16 22 50 8 30 output 10 11 14 28 __ 18 (hint: divide and add)
*March 18, 2013*

**math**

input 5 ____ 10 1 20 22 output 15 19 25 7 ___ 49 please help me solve
*March 13, 2013*

**math**

input 5 ____ 10 1 20 22 output 15 19 25 7 ___ 49 please help me solve
*March 13, 2013*

**math**

input 10 15 21 6 29 ___ output 12 22 ___ 4 50 2 please help me solve this
*March 13, 2013*

**math**

input 2 ___ ___ 7 15 6 output 11 20 35 26 50 23 please help me solve this.
*March 13, 2013*

**math**

input ___ 16 22 50 8 30 output 10 11 14 28 ___ 18 please help me solve this.
*March 13, 2013*

**Quantum Physics**

What is the matrix (4x4) for ZX (Z applied on the first qubit and X applied on the second qubit)?
*March 12, 2013*