Friday

December 19, 2014

December 19, 2014

Total # Posts: 28

**math**

The Sweet Candy Shop buys 600 pounds of chocolate covered strawberries at $5.59 per pound. If a 10% spoilage rate is anticipated, at what price per pound should the strawberries be sold in order to achieve a 60% markup based on cost?
*February 26, 2014*

**math**

A cannonball is fired across a field. Its height above the ground after t seconds is given by -16t^2+104. How long does it take for the ball to reach its maximum height of 169 feet?
*October 2, 2013*

**chemistry**

A radio broadcasts at 101.3 Megahertz. What is the wavelength of the signal in meters?
*October 14, 2012*

**geometry**

An army base is enclosed by a wire fence so that it forms a circular compound. The entrance to the base is located at X(3, 6) and the exit is at Y(9, 14). X and Y are end points of a diameter of the circle. A search tower is positioned at Z(2, 13) on the circumference of the ...
*July 11, 2012*

**SCIENCE**

A 1300kg car starts from rest at A,COASTS 170M THROUGH A dip,and comes to a a stop at B after coasting a distance d on level ground.if the rolling resistance is a constant force of 220N,determine the distance d.
*February 27, 2012*

**SCIENCE**

what is matter?
*February 27, 2012*

**Stats**

A large company has found that 40% of it employees own their own homes. a.) If we randomly select a sample of 20 employees, what is the probability that the sample proportion that own their homes is over 50%? b.) If we randomly select a sample of 40 employees, what is the ...
*November 9, 2011*

**Stats**

Which of the following would be closest to a normal distribution? a.) The sampling distribution of the average weight of 40 eggs randomly selected from the stock at the High Street Kroger's grocery? b.) The sampling distribution of the average weight of 4 eggs randomly ...
*November 9, 2011*

**Stats**

Harley-Davidson motorcycles make up 14% of all the motorcycles registered in the United States. You plan to interview an SRS of 600 motorcycle owners. a.) What is the sampling distribution of the proportion of your sample who own Harley's? b.) How likely is your sample to ...
*November 9, 2011*

**Stats**

Tonya wants to estimate what proportion of the students in her dormitory like the dorm food. She interviews an SRS of 50 of the 175 students living in the dormitory. She finds that 14 think the dorm food is good. a.) What population does Tonya want to draw conclusions about? ...
*November 9, 2011*

**Chemistry**

Which of the following statements is true based on the propositions of the kinetic molecular theory?
*June 14, 2011*

**algebra**

g(x)=10x find domain. please explain
*March 28, 2011*

**sociology**

Can you send me the case study that is on page 68?
*June 21, 2010*

**chemistry**

Calculate the mass of CO2 dissolved in 2.480L of water at 350.7torr if henry's law constant is 0.03100
*May 11, 2010*

**chem**

what is the Ka for a 0.1994M propionic acid solution if pH is 2.795? CH3CH2CO2H(aq)+H2O(l)<->CH3CH2CO2-(aq)+H3O(aq) someone please help.. I have a final in two days.
*May 10, 2010*

**math **

640=.4(L-8)2
*January 8, 2010*

**physical science**

why is the weight of a car less than the actual weight
*November 16, 2009*

**math**

write interval notation for the set {x|-7<x<7} choose a intervel A)[-7,7) B)(-7,7) C)(-7,7] D)[-7,7]
*September 20, 2009*

**history**

Submit a 150- to 200-word response comparing Nixon’s policies of engagement with foreign policy strategies used during the Cold War.
*March 23, 2009*

**Physics**

Ok, so I did INT from .01 to .03 of mu_0*I/r which ended up being mu_0*I*(ln .03-1n .01). I'm confused why you only used .02 as the area. It doesn't give radius of the wire and area of the wire is .02^2. When taking the derivative then, d/dt of I is just dI/dt? so i ...
*April 13, 2008*

**Physics**

A 2.00 cm x 2.00 cm square loop of wire with resistance 1.30×10^−2 Ohms is parallel to a long straight wire. The near edge of the loop is 1.00 cm from the wire. The current in the wire is increasing at the rate of 110 A/s. What is the current in the loop?
*April 13, 2008*

**Math**

Megan exercises every morning for 40 minutes. She does a combination of step aerobics, which burns about 11 calories per minute, and stretching, which burns about 4 calories per minute. Her goal is to burn 335 calories during her routine. Write a system of equations that ...
*February 29, 2008*

**Math**

If I am not mistaken, n is a constant.
*February 29, 2008*

**math b**

if sinx=(4/5), where 0 degrees<x<90 degrees, find the value of cos (x+180) 25+25+100+n=250 since x is in the first quadrant, then x+180º is in the third quadrant, and cos(x+180) = =cos x You should recognize the 3,4,5 right-angled triangle and cosx = 3/5 so cos(x+...
*April 10, 2007*

**spelling**

I think it is throw
*January 16, 2007*

**spelling**

I think it is- throw
*January 16, 2007*

**Neon**

NOBODYY KNOWS! ;( maaayn
*October 16, 2006*

**matm**

How to solve integers? You need to be more specific. What about integers? Plesase repost with a particular problem, so we can respond more specifically. It depends on what the mathematical signs (+, -, * or /) tell you to do. I hope this helps a little. Thanks for asking.
*August 28, 2006*

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