Saturday

October 10, 2015
Total # Posts: 39

**Statistics**

In a sample of 200 people, 154 said they watched educational television. Find the 90% confidence interval of the true proportion of people who watch educational television. If the television company wanted to publicize the proportion of viewers, do you think it should use the...
*April 22, 2015*

**algebra**

simplify:4*5^2-2
*January 18, 2015*

**Physics**

A force in the +x-direction with magnitude F(x)=18.0N−(0.530N/m)x is applied to a 8.70kg box that is sitting on the horizontal, frictionless surface of a frozen lake. F(x) is the only horizontal force on the box. If the box is initially at rest at x=0, what is its speed ...
*October 21, 2014*

**math**

Thank you!
*April 14, 2014*

**math**

What is the average monthly income for these weekly incomes: $299.34, $203.49, $305.39, and $225.30? This is all the question gives me. Please help.
*April 14, 2014*

**Algebra 1**

Two bullet trains leave the station at the same time traveling in opposite direction. The northbound train goes 125 mph and the southbound train goes 120 mph. After how long will they be 735 miles apart?
*December 5, 2013*

**chemistry**

A solid sample is 81.0 g sodium per 1,000,000. g substance, and contains 1.92 × 10 ^21 sodium atoms, calculate the mass (g) of the sample.
*October 27, 2013*

**Biology**

How does the structure of Earth’s interior affect seismic waves?
*May 31, 2013*

**Physics**

the side of a tent makes an angle of 65 to the ground. if a boy who is 1.1m tall stands inside the tent with his head touching the tent's peak, how long is the fabric that makes up the side of the tent
*April 18, 2013*

**Chemistry**

calculate the volume of 0.50 M NaOH needed to saturate 100.0 ml of 0.50 M Zn(NO3)2 with Zn(OH)2
*March 24, 2013*

**Chemistry**

calculate the volume of 0.50 M NaOH needed to saturate 100.0 ml of 0.50 M Zn(NO3)2 with Zn(OH)2
*March 24, 2013*

**math**

2x+5y=10 , -7x-4y=16
*October 16, 2012*

**PHYICAL**

Awoman of 75kg skis down a 50m high hill , the frictional force is not negligible her speed at the bottom of the hill is only 25m\sec, What is the work done by the frictional forces
*July 8, 2012*

**PHYICAL**

Awoman of 75kg skis down a 50m high hill , the frictional force is not negligible her speed at the bottom of the hill is only 25m\sec, What is the work done by the frictional forces
*July 8, 2012*

**Literature - Macbeth**

What roles do doublespeak and duality play in Macbeth? Provide several examples of doublespeak and duality in Shakespeare’s play. How do doublespeak and duality affect Macbeth’s fate? Could somebody explain what "doublespeak" and "duality" mean? I...
*April 3, 2012*

**algebra**

Mary bought a red convertible for $14,000. She paid $1,000 down and borrowed the rest on a one year note at 15% interest. How much will she owe at the end of one year
*April 3, 2012*

**math**

Matt owns an ice cream shop and wants to know the volume of the sugar cones that he has in his shop. Find the approximate volume of the sugar cone if the radius is 4 cm and the height is 12 cm.
*March 30, 2012*

**physics**

Two crickets, Chirpy and Milada, jump from the top of a vertical cliff. Chirpy just drops and reaches the ground in 3.10 , while Milada jumps horizontally with an initial speed of 93.0 .
*November 6, 2011*

**ALGEBRA2**

What is the value of k in the equation 6X^2 plus KX-10 equals (3X plus 2)(2X-5)
*May 30, 2011*

**trig**

A 2000 pound car is parked on a street that makes an angle of 12* with the horizontal (think it's a street on a hill). a) find the magnitude of the force required to keep the car from rolling down the hill. b) Find the force perpendicular to the street.
*May 25, 2011*

**trig**

An aifplane is flying on a compass heading (bearing) of 170* at 460 mph. A wind is blowing with the bearing 200* at 80mph. a) Find the component form of the velocity of the airplane. b) Find the actual ground speed and direction of the airplane.
*May 25, 2011*

**Math**

Help to solve problem A cube has an edge length of d. Point C is at the center of the top face of the cube. express the length of the path from vertez to vertex B to the center point C in terms of d. Use the idea that the square root of (N X N). Estimate any numerical square ...
*May 12, 2011*

**physics**

What forces are acting on a puck that is on an air hockey table?
*March 3, 2011*

**geometry**

si quiero poner 5 litros de agua en una piramide cuadrangular cuanto debe de medir ?
*January 23, 2011*

**physics**

If 53 W of power are exerted and the amount of work done is 7 N-m, how much time did it take?
*December 12, 2010*

**calculus**

Find the rate of change of the distance between the origin and a moving point on the graph y = x^2 + 8 if dx/dt = 8 centimeters per second.
*October 6, 2010*

**math**

help me find de equivalent fraction for 10/18
*September 20, 2010*

**Literature**

silimarities both man wants compani and they feel
*May 18, 2010*

**12th grade economics**

180.99
*March 14, 2010*

**Physics**

where did you get the 0.4??
*September 25, 2009*

**ART HISTORY**

ITS NATURALISM!!!! I just did my quiz. NATURALISM!!
*February 5, 2009*

**Exceptional children**

I think I'll have to change the task to maybe combing hair incuding parting .
*January 13, 2009*

**Exceptional children**

I need to do this task very slowly and think about the very first step in the sequence of the many others that will follow. Then, I need to do this task with my non-dominant hand. After completing versions 1 and 2 I need to write a 2 to 3 page essay, in good gramatical form. ...
*January 13, 2009*

**Exceptional children**

Tying shoes
*January 13, 2009*

**Exceptional children**

I need to do a task analysis on a self-care task that i usually do everyday.I need to find out all the diferent tiny skills that make up that one task that I don't think much about it.I could do it in 2 different ways, and each way will give me a better sense of what it ...
*January 13, 2009*

**Health**

I need to do a task analysis about the difficulties that many exceptional children may encounter when attempting everyday activities.
*October 2, 2008*

**health**

I need to develop a plan for a helth unit on "What makes us grow?"based on a class of 15 children.Can you help?
*April 8, 2008*

**nutrition**

I need to develop a plan for a health unit on "What makes us grow?" based on a class size of 15 children.Any ideas?
*April 7, 2008*

**FINANCE**

1060
*September 18, 2007*

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