Friday

February 24, 2017
Total # Posts: 32

**Algebra**

Kyle has 13 coins in his pocket that are either quarters or nickels. He has $2.05 in his pocket in coins. Let q represent the number of quarters and n represent the number of nickels. The following system of equations represents this situation: q+n=13 0.25q+0.05n=2.05 How many...

*December 14, 2016*

**math**

on a 1-8 numbered spinner, how do I find an even number or a number greater than 6?

*April 23, 2016*

**social studies**

how did the treaty of greenville affect the land claims of native american

*December 14, 2015*

**pre algebra**

1. can someone please explain steve's answer I don't get it!!!!!!!!!

*September 30, 2015*

**Satistics**

Monthly incomes of employees at a particular company have a mean of $5954. The distribution of sample means for samples of size 70 is normal with a mean of $5954 and a standard deviation of $259. Suppose you take a sample of size 70 employees from the company and find that ...

*September 15, 2015*

**physics**

Consider nitrogen gas, N2, at 27.7°C. What percentage of nitrogen molecules have a speed within 1.00 m/s of the most probable speed?

*August 20, 2014*

**PHYSİC**

One end of a metal rod is in contact with a thermal reservoir at 745 K, and the other end is in contact with a thermal reservoir at 105 K. The rod and reservoirs make up a closed system. If 7030 J are conducted from one end of the rod to the other uniformly (no change in ...

*August 16, 2014*

**physics**

An ice cube at 0°C measures 14.1 cm on a side. It sits on top of a copper block with a square cross section 14.1 cm on a side and a length of 18.9 cm. The block is partially immersed in a large pool of water at 89.3°C. How long does it take the ice cube to melt? Assume...

*July 27, 2014*

**physics**

A sinusoidal wave on a string is described by the equation y = (0.191 m) sin (0.745 x - 42.9 t), where x and y are in meters and t is in seconds. If the linear mass density of the string is 11.7 g/m ... a) ... determine the phase constant. b) ... the phase of the wave at x = 2...

*July 13, 2014*

**PHYSİC HELP**

A standard CD has a diameter of 12.0 cm, and a hole that is centered on the axis of symmetry and has a diameter of 1.50 cm. The CD’s thickness is 1.2 mm, and it's mass is 17 g. If a (very thin) pin extending through the hole of the CD suspends it in a vertical ...

*July 12, 2014*

**Physics HELP!!!!!!!!**

I converted from 1 atm to Pa, then I found answear 28107.55 J, but answear not correct..

*May 11, 2014*

**Physics HELP!!!!!!!!**

Suppose 0.021 mole of an ideal monatomic gas has a pressure of 1.00 atm at 273.15 K and is then cooled at constant pressure until its volume is reduced by 41.1 %. What is the amount of work done by the gas?

*May 11, 2014*

**it's urgent. please help me**

it's urgent. please help me

*May 5, 2014*

**university physic**

A cryogenic storage container holds liquid helium, which boils at 4.20 K. Suppose a student painted the outer shell of the container black, turning it into a pseudo-blackbody, and that the shell has an effective area of 0.487 m2 and is at 3.01·102 K. a) Determine the ...

*May 5, 2014*

**Physic**

Please urgent help me A cryogenic storage container holds liquid helium, which boils at 4.20 K. Suppose a student painted the outer shell of the container black, turning it into a pseudo-blackbody, and that the shell has an effective area of 0.487 m2 and is at 3.01·102 ...

*May 5, 2014*

**physics**

very thanks

*April 19, 2014*

**physics**

Please help me !!! for solution of this question Water enters a horizontal pipe with a rectangular cross section at a speed of 1.00 m/s. The width of the pipe remains constant but the height decreases. 27.3 m from the entrance, the height is half of what it is at the entrance...

*April 19, 2014*

**physics**

Water enters a horizontal pipe with a rectangular cross section at a speed of 1.00 m/s. The width of the pipe remains constant but the height decreases. 27.3 m from the entrance, the height is half of what it is at the entrance. If the water pressure at the entrance is 2921 Pa...

*April 19, 2014*

**economic**

What are three types of "land", "labor", and "Capital?"

*October 17, 2013*

**History**

I am dearly sorry for the name confusion. My sister Suzan, and my brother Leonardo, and I are sharing a computer for this website. Mark is a person I do not know but he is the guy who answered your question for my statement of why I think supply and demand was the most ...

*October 17, 2013*

**History**

That is not me that was a different person answering your question. And oh ok that makes sense, but today people do.

*October 17, 2013*

**ashford**

Delta Inc. offers to sell Omega Corp. a packaging machine. Omega responds “We’ll take it but only if there is a six-month warranty.” Which of the following is true? (Points : 1)

*August 9, 2013*

**ashford**

Royal Hotel Inc. verbally orders 100 sets of sheets and pillowcases, each to be embroidered with the chain’s coronet logo, for $1,000, from Textile Inc. Textile starts on the order and has completed 45 sets when Royal calls back and cancels the order. Which of the ...

*August 9, 2013*

**life orientation**

what are 5 ways in which the human or environmental problem impacts on the community?

*May 4, 2013*

**Ochem**

Identify the following compound from its IR and proton NMR spectra. C6H10O: NMR: 3.31 (3H, s); 2.41 (1H, s); 1.43 (6H, s) IR: 2110, 3300 cm^-1 (sharp)

*February 15, 2012*

**algebra**

A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.7 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.)

*December 18, 2011*

**Identifying Furniture Styles & Periods**

1. Which one of the following elements is characteristic of Gothic furniture? A. Melon-bulb turnings B. Tracery designs C. Carving of acanthus leaves D. Animal shapes 2. A sideboard is a A. type of card table. B. drop-leaf table. C. chest of drawers. D. dining room serving ...

*August 3, 2011*

**Math**

8 divided by 4-2+5 divided by 3+10 divided by 24 divided by 2+10-16 divided by 2 =0 Put brackets around numbers to make sentance true.

*October 28, 2010*

**Ap Chem**

At 200K, the particles of gas X have an average velocity equal to that of Argon at 400K. What is the identity of X? He CO HF HBr F2

*October 18, 2010*

**Chemistry**

A student adds 4.00g dry ice(Co2(s)) to an empty balloon after the dry ice sublimes and comes to STP?

*September 6, 2010*

**Chemistry**

Kd=co/ca 1=( x/25 ml)/(5-x)/100ml X=1 5-x = 4

*May 5, 2010*

**ethnics help**

Basically Orientalism = Xenophobia an unreasonable fear or hatred of foreigners or strangers or of that which is foreign or strange.

*November 2, 2006*

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