November 26, 2015

Posts by Devin

Total # Posts: 163

When the waiter was asked to slice the 16-inch (in diameter) pizza into exactly 4 slices of equal size, he decided to do so using concentric circles rather than radial slices. Determine the radii of each of the three cuts he had to make.
February 14, 2011

Let f(x)=ax^5+bx^3+cx+9, where a,b, and c are constants. If f(6)=17, determine the value of f(-6).
February 14, 2011

Three brothers divide 17 candy bars. The oldest child gets 1/2, the middle child 1/3, and the youngest child 1/9. So that they do not have to cut any bars, Mom provides an extra one. The oldest child then takes 9 candy bars, the middle child 6, and the youngest 2, and they ...
February 14, 2011

The letters A,B,and C represent three different digits. Determine the number ABC if ABC + ACB ---------- BCA
February 14, 2011

A 70 kg painter is painting the wall of a building. He stands on a horizontal board of length 4.7 m and mass 15 kg, suspended from vertical ropes attached to each end. If the painter stands 2.0 m from one end of the board, what would the tensions in the ropes be? Near rope: ...
December 11, 2010

2nd grade math
ms. dixon
December 7, 2010

AP Chemistry
What is the structure for PCl3Br2 and 3 isomers?
November 19, 2010

If the length of arc of measure 80 is 12 pi inches long, find the radius of the circle
November 17, 2010

Vinegar is a solution of acetic acid (C2H4O2) in water. Its concentration is 5.0%(w/w) and its density is 1.01 g/mL. That was the information given before the question, then it asked for the molarity of vinegar and I got .84mol/L
November 16, 2010

How many milliliters of pure acetic acid (density = 1.05 g/mL) would be required to prepare 1.00 L of the solution?
November 16, 2010

4th grade math
November 16, 2010

A pendulum has a length of 1m. What is the period of this pendulum? What is the frequency of this pendulum? You measure the period of a pendulum and get 25s. What is the length of the pendulum?
November 8, 2010

If a 0.1 kg mass is suspended at rest from a spring near the Earth's surface, the distance that the spring is stretched is measured to be 1.0 cm. What is the spring constant of the spring (remember the MKS units)? A mass of 2 kg is attached to a spring with constant 18 N/...
November 8, 2010

Psychology ; the mind at work
1.)C 2.)D 3.)B 4.)D 5.)C 6.)A 7.)B 8.)B 9.)A 10.)D 11.)C 12.)D 13.)C 14.)A 15.)A 16.)D 17.)B 18.)B 19.)B 20.)C
October 21, 2010

What is the percentage yield for a reaction if you predict the formation of 21 grams of C6H12 and actually recomvered only 3.8 grams? is the answer 18% 3.8g/21g x 100% pls verify.
October 17, 2010

ok i wont have time this is due at 1
October 13, 2010

ok so its 15.53 n
October 13, 2010

North & Central America
what are two ways to describe a location
September 8, 2010

After many attempts and variables, I came up with this: You start off with 3x5=15 Then, square the 6=36 Add 15+36=51 Take 51+54 which equals 105 and lastly, 105 minus 5 equals... 100!
August 30, 2010

child development AED 202
Do you know of any health issues that may be different between early and middle childhood? They actually have to be put on two different slides.
June 26, 2010

child development AED 202
Thank you so much for the suggestions.
June 26, 2010

child development AED 202
I have my powerpoint presentation all set up. I am just having a hard time with health issues that are appropriate to each developmental issue. The assignment wasnt clear as to what kind of health issues and I dont know how these issues would differ between the two stages. If ...
June 26, 2010

child development AED 202
develop a presentation for early childhood and middle childhood groups that addresses health issues appropriate for each developmental level
June 26, 2010

h2SO4(aq)+2NAOH(aq)--->NA2SO4(aq)+2H2O(L) how to solve this
May 31, 2010

g(x)=-4/x; x=-5, x=-5+h Determine the average rate of change of the function between the given values of the variable.
April 27, 2010

how would solve this math question 5/8x - 6 3/8x = 1 1/2
April 14, 2010

2. As you are leaving the community, you notice another new community just down the street. Because you are in the area, you decide to inquire about it. a. The sales representative here tells you they also have two floor plans available, but they only have 38 homes still for ...
March 31, 2010

1. Imagine you are in the market for a new home and are interested in a new housing community under construction in a different city. a. The sales representative informs you that there are 56 houses for sale with two floor plans still available. Use x to represent floor plan ...
March 31, 2010

social studies
green eggs and ham
March 24, 2010

Which of the following are correct symbols and charges? Could be as many as 5. 1. Na- 2. Ag+ 3. O2- 4. Ag- 5. NO3- 6. Cu2+ 7. F+ 8. Cl2-
March 21, 2010

Explain how having a negative self-schema affects one’s social interactions. How does social intelligence affect one’s responses in any given situation? How might a person’s self-guides impact his or her perspective on the world?
March 19, 2010

Short projectile motion question A German rocket from the second world war had a range of 3000meters reaching a maximum height of 1000meters. Determine the rockets maximum velocity
March 12, 2010

one side of a right triangle has 2cm less than the hypothuse, and 7cm more than the third side what is the lenghnt of each side
March 12, 2010

why did the indian wear feathers in his hair
March 2, 2010

8th grade
the distance of a region north or south of the equater in degrees is called?
February 9, 2010

December 1, 2009

estimate the rotational kinetic energy of earth, assuming it to be a solid sphere of uniform density
November 28, 2009

Com 140
How would you approach a classmate to recive more info about the assignment using tone, audience, content and purpose?
November 5, 2009

Social Studies
How are the natural resources of the Northeast led to jobs for the New Englanders?
October 14, 2009

What is wrong with the statement? El va de Miami a Buenos Aires. Esta tomando un vuelo nacional.
September 15, 2009

explain how to write20 over 40 as a unit rate
September 9, 2009

explain how to write20 over 40 as a unit rate
September 9, 2009

tech 2
factor x^2+10x+9
June 5, 2009

what is greater 2 feet or 26 inches
February 23, 2009

I had to create a chart of air temperature, pressure, and was the pressure rising or falling. One of my questions about it is "were there any values that you could predict ahead of time?" can someone help me with this question please?
February 22, 2009

what is the meaning of mean median mode range
February 10, 2009

Algebra 1
9x-8y=42 4x+8y=-16
February 3, 2009

5th grade
fort wayne evansville south bend
January 25, 2009

x-4=3x+12 -12 -12 x-16=3x -x -x -16=2x x=-8
December 9, 2008

i have that worksheet, on the first one you need to divide 174/3 the second one divide 6.30/6
October 19, 2008

Animal Farm
give me an example for a hyperbole
August 26, 2008

Physical Sciance
Calculate the density for a rectangular block using the following measurements, Length: 2.70cm, Width:1.10cm, Height: 9.09cm, Mass: 72.17g. Round your answer for density to 2 decimal places. Include the correct unit for density.
February 26, 2008

In a regression analysis, suppose there is, in fact, no seasonal pattern to sales, and the trend line is estimated using dummy variables to account for seasonality. What effect would this have on the estimation? My guess is that it wouldn't affect the I ...
January 29, 2008

If 8 paper clips are placed on one side of the balance 2 cm from the fulcrum,where should 4 paper clips be placed on the other side?
January 2, 2008

Abstract Algebra
Let H={a+bi a,b is a element R, a^2+b^2=1} be a subset of the non zero complex numbers C*. Prove that H<C* under complex multiplication using the one-step subgroup test. Also describe the elements of H geometrically.
December 7, 2007

I need help with classification Organism Kingdom Phylum Class Order Family Genus Species Crabs (Hermit and Fiddler) Animalia Arthropada Mussel Animalia Mollusca Shrimp Animalia Arthropada Fish (Striped Bass) Animalia Chordata Jellyfish Animalia Cnidaria Sea Weed Plantae I need...
September 30, 2007

used for first focusing on a microscope
September 19, 2007

to find the distance AB across a river, a distance BC= 309m is laid off on one side of the river. It is found that B= 105.4 degrees and C= 12.2 degrees. Find AB To find the distance AB across a river, a distance BC= 309m is laid off on one side of the river. It is found that /...
June 5, 2007

What words does tcnaio make unscrambled? Try these: =) action atonic tonica cation
May 23, 2007

Algebra 2
I need help-exam tomorrow! Although it is too late for your exam, in the future, we need specifics to provide help plus time to respond. We are volunteers and are not available 24/7. I hope this helps you in submitting future questions. Thanks for asking.
May 22, 2007

1- a pipe of diamter 1cm carreiers water flowing at 1m/s. the end of the pipe is bplugged and there is a small holeon the top as shown which is 1mm diameter. How high does the water go? *=hole ()____________*___() 2. you're indoors, with a door 1m wide and 2.5m high. the ...
December 5, 2006

making dot arrays
What do we call the numbers that cannot be arranged into 2-row arrays?
August 21, 2006

UnscrambleThisWordPlease;;   rychmisthe
June 14, 2005

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