Saturday
November 22, 2014

Posts by Manda


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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