Wednesday

August 31, 2016
Total # Posts: 795

**science**

calculate the mass of 120 cc of nitrogen at NTP. How many number of molecules are present in it?
*August 10, 2016*

**Math**

Matchstick Rings each pattern of square rings has been made with matchsticks which are all the same length. If the length of one side of a square ring is "m" matchsticks, try to find a formula, in terms of m, for each of the following: a) The outer perimeter, P. b) ...
*August 2, 2016*

**Math**

Building Bricks A child is playing with building bricks like this one. He decides to build the simple tower shown. How many bricks would he need to build this tower? If the last column was 14 bricks high how many bricks would he need? If the last column was 50 bricks high how ...
*August 1, 2016*

**MATH**

A beautiful Princess is locked inside the Castle. A Moat 15 metres wide surrounds the Castle. A Knight is attempting to rescue the Princess but he only has two planks of wood, both 14.5 metres long. How can the brave Knight bridge the Moat and rescue the Princess. Draw ...
*July 11, 2016*

**Math of investigation**

Apply Pythagoras to the right angle with sides 2r, 12-2r and 9-2r. This leads to the equation 4r2 – 85r + 225 =0 which solves to give r = 3.15 In the case where breadth is ‘b’ and the length is 2b, form the right angled triangle with sides 2r, 2b-2r and b-2r and...
*July 4, 2016*

**Math of investigation**

Two identical circles are to be cut from a 12cm by 9cm sheet of paper. What is the maximum possible radius of these circles? Show that if the length of the sheet of paper is twice the breadth of the paper, then the radius of the largest circles which can be cut out is half of ...
*July 4, 2016*

**SOO URGENTT**

physics
*June 21, 2016*

**SOO URGENTT**

A circular loop lies with its plane normal to a magnetic field given by B=(0.200 - 0.0200t) T, where t denotes the time in seconds. The induced emf in the loop is 1.36 V. Calculate the radius of the loop.
*June 21, 2016*

**11**

SinA + sinB/sinA - sinB= tanA+B/2cotA-B/2
*June 5, 2016*

**Maths **

How would the perimeter be affected if the side of the rectangle were increased by a factor
*May 15, 2016*

**Math **

What the relationship that happens between the increase of the length of the side and area or perimeter
*May 15, 2016*

**Math**

36 miles per gallon to miles per quart. (1 gal=4 qt)
*May 10, 2016*

**Spanish**

Dio
*May 10, 2016*

**Math**

Ed is thinking of. number. If he adds four to his number, the result is less than 6. Write and solve an inequality about Ed's number
*May 10, 2016*

**Math**

In 35 minutes, 49 customers entered the store. At this rate, how many customers will enter the store in 2 hrs?
*May 9, 2016*

**Chemistry**

What is mass in grams of a pure iron cube that has a volume of 4.10 cm3
*April 29, 2016*

**science**

when copper metal is added to silver nitrate in solution, silver metal and copper (II) nitrate are produced. what mass of silver is produced from 100.g Cu?
*April 19, 2016*

**Operations with Integers**

On a summer day, the low temperature of 75°F was reached at 6 am. The high temperature was reached 9 hours later, after the temperature rose 16°F. What was the high temperature that day?
*April 3, 2016*

**Math**

Green with a stereo dark interior
*March 17, 2016*

**Math**

An automobile manufacturing plant produces cars according to a fixed pattern. During one day, the first five cars have the following colors and equipment. blue with a stereo and dark interior white with a stereo and light interior green without a stereo and with a light ...
*March 17, 2016*

**Marh**

An automobile manufacturing plant produces cars according to a fixed pattern. During one day, the first five cars have the following colors and equipment. blue with a stereo and dark interior white with a stereo and.light interior- green without a stereo and with light....
*March 16, 2016*

**Math - Help!**

I trust you, too. I, too, got the same answer. But, bobpursley unexpectedly thought it was wrong or something.
*February 26, 2016*

**Math - Help!**

Bobpursley said I was wrong on the second one, I ORIGINALLY got 13/18. And, he said I got it wrong. But, I did. Click on my name, and go to "Are all answers right?" Strange, but thank you.
*February 26, 2016*

**Can someone check the answers?**

Please?
*February 26, 2016*

**Math - Help!**

A quality supervisor for a factory that makes cell phone cases examines a sample of 46 cases. She finds that 8 cases are the wrong size. Which is the best prediction of the number of cases that will be the wrong size in a shipment of 3,000? A. 410 B. 475 C. 506 D. 522 ***
*February 26, 2016*

**Math - Help!**

The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6) (6,1)|(6,2)|(6,3)|(6,5)|(6...
*February 26, 2016*

**Algebra**

Can someone help me with this? You have 2 tests with scores of 83 and 92, assuming you can't get a score over 100 on any test. Determine all possible scores you can get to score an average of 90 on all 3 tests. Represent the answer algebraically.
*February 26, 2016*

**One Math**

The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6) (6,1)|(6,2)|(6,3)|(6,5)|(6...
*February 25, 2016*

**Are all answers right?**

No, is 5/6 the answer?
*February 25, 2016*

**Are all answers right?**

You mean, it's 5/6...?
*February 25, 2016*

**Are all answers right?**

The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6) (6,1)|(6,2)|(6,3)|(6,5)|(6...
*February 25, 2016*

**Is it correct?**

Please correct me if I'm wrong.
*February 25, 2016*

**Help Math**

The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6) (6,1)|(6,2)|(6,3)|(6,5)|(6...
*February 25, 2016*

**Check math please!**

Okay, wanted to make sure. Thank you! :)
*February 25, 2016*

**Check math please!**

So... let me get this straight, I got both right?
*February 25, 2016*

**Check math please!**

Anna mixes the letters S, E, L, E, C, T, E, and D thoroughly. Without looking, Mary draws one letter. Expressed as a fraction, decimal, and percentage, what is the probability that E will NOT be the letter Mary selects? A. 3/8, 0.375, 37.5% B. 8/5, 1.6, 16% C. 5/8, 0.625, 62.5...
*February 25, 2016*

**Check math please!**

Anna mixes the letters S, E, L, E, C, T, E, and D thoroughly. Without looking, Mary draws one letter. Expressed as a fraction, decimal, and percentage, what is the probability that E will NOT be the letter Mary selects? A. 3/8, 0.375, 37.5% B. 8/5, 1.6, 16% C. 5/8, 0.625, 62.5...
*February 25, 2016*

**art**

Why the weeping woman is an example of shapes?
*January 28, 2016*

**art**

why did Picasso use cubism/ shapes in weeping woman?
*January 28, 2016*

**math**

Amanda can run 4/5 of a mile in 9 minutes.Express her speed as a unit rate in miles per hour.
*January 21, 2016*

**math**

input 10 output 5 input 15 output 6 input 20 output 7 input 25 output 8 what is the pattern thanks
*January 13, 2016*

**Math**

11 games x 12 teams doubled, because each team plays the same amount of games twice = a total of 264 games
*December 16, 2015*

**Math**

12 x 22= 264
*December 16, 2015*

**Math**

132i. Is not the right answer
*December 16, 2015*

**Math**

I am getting 264
*December 16, 2015*

**Math**

Hillside has 12 teams. Each team plays each other teams twice. How many games are played?
*December 16, 2015*

**Math**

I see thank you!
*December 16, 2015*

**Math**

Not understanding I am getting 3hrs for 28 people
*December 16, 2015*

**Math**

The ski trip has to be cancelled. All 28 people must be told. In the first hour 2 people each call 2 people. The next hour each of the people called the hour before calls 2 people, and so on. How many hours will it take for all 28 people to be called?
*December 16, 2015*

**MATH**

help with expanding log base 5(x^2 times y)^4
*December 2, 2015*

**Math**

Finneas plays with his toy mouse for 1/10 hour. then he chases a fly for 1/6 hour. How much longer does he spend chasing a fly than playing with his toy mouse?
*November 17, 2015*

**Math**

A computer screen measures 200mm by 150mm. What is the length of the diagonal?
*October 22, 2015*

**Math**

A square television screen has 19-inch diagonal. How long is a side of the screen, to the nearest tenth? Length of side______ Area_____
*October 21, 2015*

**Math**

Thank you
*October 21, 2015*

**Math**

A square television screen has 19-inch diagonal. How long is a side of the screen, to the nearest tenth? Length of side______ Area_____
*October 21, 2015*

**Math**

The student council sold refreshment at cost. A case of 24 cans of the fruit punch cost $7.68. Each can fills 1 cup of punch. A box of 48 cups cost $1.44. How much did the council charge for a cup of fruit punch?
*October 20, 2015*

**physics**

A box containing food supplies for a refugee camp was dropped from a helicopter flying horizontally at a constant elevation of 414.1 m. If the box hit the ground at a distance of 95.3 m horizontally from the point of its release, ... a) what was the speed of the helicopter? b...
*October 16, 2015*

**math**

From the top of a light house the angle of incidence of the two ships are 45&30 degree respectively if both the ships are at a distance 200m from each other then find out the height of the light house
*October 16, 2015*

**Math**

The odometer on a car shows 26962 km. Notice that this number is a palindrome. After the car has travelled two hours at a constant rate, the odometer shows the next possible palindromic number. How fast is the car travelling?
*September 23, 2015*

**community psycology**

How each of “the four acts of qualitative research” would apply to you personally if you was doing this study. for prescription drug addiction
*September 17, 2015*

**physics**

When a car moves up an incline, does the kinetic energy and potential energy decrease or increase?
*September 11, 2015*

**algebra i**

two rubber balls are dropped from two different heights 136 ft and 287 ft. Find the function that describes them. I believe it is H(t) = -16t^2 + 136 and H(t) = -16 ^2 + 287. There are no answers in the book . I assumed velocity is 0. Am I correct? Thanks, Sandy
*August 8, 2015*

**Math quadratic function **

Jose bautista hits a baseball that travels for 142m before it lands. The flight of the ball can be modelled by a quadratic function in which x is the Horizontal distance the ball has travelled away from jose, and h(x) is the height Vertical distance of the ball at that ...
*July 23, 2015*

**Math grade 11 uni**

Jose bautista hits a baseball that travels for 142m before it lands. The flight of the ball can be modelled by a quadratic function in which x is the Horizontal distance the ball has travelled away from jose, and h(x) is the height Vertical distance of the ball at that ...
*July 23, 2015*

**Math grade 11 u**

Jose bautista hits a baseball that travels for 142m before it lands. The flight of the ball can be modelled by a quadratic function in which x is the Horizontal distance the ball has travelled away from jose, and h(x) is the height Vertical distance of the ball at that ...
*July 22, 2015*

**Politics**

Which of the following statements about interest groups is correct?
*July 8, 2015*

**Math**

I have no idea how to do inverse functions... How would I do this question? Y=-3x^2 - 18x - 25
*June 21, 2015*

**physics**

A bullet is fired through a wooden board with a thickness of 10.0 cm. The bullet hits the board perpendicular to it, and with a speed of +390 m/s. The bullet then emerges on the other side of the board with a speed of +234 m/s. Assuming constant acceleration (rather, ...
*May 21, 2015*

**6th grade math**

6th grade
*May 20, 2015*

**6th grade math**

Mrs Roberts is 3 times as old as her son. The sum of their ages is 48 years. How old was Mrs. Roberts when her son was born?
*May 20, 2015*

**4th Grade Math**

The ratio of the number of dogs to the number of cats at an animal shelter is 5:4, if there is a total of 153 cats and dogs, how many cats are in the shelter
*May 20, 2015*

**Math**

Kenji has a box containing many blue rods, each one 252 cm long. Mei-Ling has a box containing many green rods, each one 408 cm long. They each start making a long line of rods of their colour by laying rods end to end. After a while, their lines are exactly the same length. ...
*April 22, 2015*

**MATH**

That is the way it was written to me and I think that is why it is so confusing since I can't get any of the listed answers. The lesson doesn't give any instructions either. I think the 14.25% is charged on the $700 because he/she forfeited the 0%. I also got 70.17 but...
*April 21, 2015*

**MATH**

Really need help with this: You purchase a computer for $875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state that you must pay $100.00/month and that if you miss a payment, you will be assessed a late fee of $39....
*April 21, 2015*

**Math**

Really need help with this: You purchase a computer for $875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state that you must pay $100.00/month and that if you miss a payment, you will be assessed a late fee of $39....
*April 20, 2015*

**MATH**

You purchase a computer for $875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state that you must pay $100.00/month and that if you miss a payment, you will be assessed a late fee of $39.00 plus the interest accrued...
*April 20, 2015*

**Math**

You purchase a computer for $875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state that you must pay $100.00/month and that if you miss a payment, you will be assessed a late fee of $39.00 plus the interest accrued...
*April 19, 2015*

**MATH**

Guess what, my 12 year old granddaughter figured it out when she got home from school -- she is a math wiz -- Got $202.24. Discretionary is what is left over. I try to help my 11th grade GD but could not figure this one out.
*April 16, 2015*

**MATH**

Suppose that you work at the Peacock Blue store for 40 hours over five days at a rate of $9.25/hour. You then quit your job. Deductions are FICA (7.65%), federal withholding (12%), and state withholding (8%). Your expenses are transportation at $5.25/day, lunch at $3.85/day, ...
*April 16, 2015*

**leal aspects of health information**

Name the types of fraudulent billing.
*April 12, 2015*

**legal aspects of health information**

Dr. Pearson has recently been hired into the Central City Internal Medicine Group as its fifth physician. He has recently completed his residency and is eager to enter private practice. Dr.Pearson is introduced to Meredith and Dawn, two members of the billing staff for the ...
*April 11, 2015*

**legal aspect of health information**

is Dr. Pearson subject to liability although he doesn't know Meridith is conducting fraud activities
*April 11, 2015*

**physical science**

Picnickers see a lightning flash and hear the resulting thunder 9.0 s later. If the storm is traveling at a rate of 15 km/h, then how long, in minutes, do the picnickers have before the storm arrives at their location?
*March 10, 2015*

**Chem**

Copper(I) chloride has Ksp = 1.7 × 10-7. Calculate the molar solubility of copper(I) chloride in (a) 0.0858M HCl solution (b) 0.419 M HCl solution (c) 0.653 M CaCl2 solution
*March 4, 2015*

**Math- MDM4U data Managment**

Sorry. There's no / before 7. A typo. It's actually 17
*March 2, 2015*

**Math- MDM4U data Managment**

How do you solve this question. I literally have no idea on where to start. "If the mean of the following numbers is /7, find the c value. Produce an algebraic solution. Numbers: 12, 18, 21, c, 13 Please help.
*March 2, 2015*

**Maths**

Runner A speed 1km/hour Runner B speed 2km/hour They start of at the same point at the oval.In a lap that is 500m, how many times will they meet at the starting point after 10 hours. I managed to get the LCM for runner A,B using the time taken to complete 1 lap A=1/2 hrs, B=1/...
*February 11, 2015*

**Art**

What advantage does multi-spectral analysis hold over the X-ray Machine? a. Multi-spectral analysis can analyze pigments that an X-ray cannot detect b. multi-spectral analysis reveals what is not visible to the naked eye c. multi-spectral analysis can be used on large art that...
*January 27, 2015*

**Language Arts**

My opinion A would be right because that is opposite of what ponderous is
*January 26, 2015*

**Art**

You would use different criteria to analyze different styles of art for all of the following reasons except A. the styles have different stylistic qualities. B. the expected skill set of the artists may vary. C. the subject matter may be drastically different. D. the ...
*January 23, 2015*

**Chemistry**

A sealed container comtains 1.50 mol of nitrogen gas, 2.00 mol of oxygen gas and 3.50 mol of argon gas. If the total pressure is 900 kPa, what is the pressure of the nitrogen gas?
*January 18, 2015*

**chemistry**

A 5.0 L sample of nitrogen gas has a pressure of 95 kpa. What is the final volume of the gas if the pressure is tripled? I know p1 = 95, v1=5.0 and p2 = tripled What i dont understand is what number is tripled, is it 95 times 3??
*January 14, 2015*

**DrBob222 my previous question**

I responded back on the link
*January 12, 2015*

**DrBob222 my previous question**

You asked me to show my work for one of my questions a few minutes ago and i need you to verify my work because you said my answer was wrong
*January 12, 2015*

**chemistry check my answer**

Thank you soo much DrBob222 You helped me a lot. Thank you very much. XD
*January 12, 2015*

**chemistry check my answer**

When i gave you the name and time i wrote my answer
*January 12, 2015*

**chemistry check my answer**

I posted my answer here in this link
*January 12, 2015*

**chemistry check my answer**

Name: Jack Date: Monday January 12, 2015 Time: 5:28 pm The amswer i got was 0.257 L
*January 12, 2015*

**chemistry check my answer**

Can you also verify my answer for a question i asked hours ago..
*January 12, 2015*

**chemistry check my answer**

Ohhhh is it 0.19
*January 12, 2015*