Sunday

April 20, 2014

April 20, 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?

**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?

**chemistry**

A radio broadcasts at 101.3 Megahertz. What is the wavelength of the signal in meters?

**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 c...

**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.

**SCIENCE**

what is matter?

**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 prob...

**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 sel...

**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 ...

**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? ...

**Chemistry**

Which of the following statements is true based on the propositions of the kinetic molecular theory?

**algebra**

g(x)=10x find domain. please explain

**sociology**

Can you send me the case study that is on page 68?

**chemistry**

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

**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.

**math **

640=.4(L-8)2

**physical science**

why is the weight of a car less than the actual weight

**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]

**history**

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

**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 sh...

**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?

**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 repre...

**Math**

If I am not mistaken, n is a constant.

**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+18...

**spelling**

I think it is throw

**spelling**

I think it is- throw

**Neon**

NOBODYY KNOWS! ;( maaayn

**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.

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