Tuesday

October 25, 2016
Total # Posts: 50

**Math**

A Boy Scout has 3 meters of rope. He cuts the rope into cords 3/5m long. How many cords will he make?

*October 20, 2016*

**Maths**

A man is erecting a fence around a square piece of land of side 60 metres he outs posts every 60 metres how many pists did he use?

*October 17, 2016*

**chemistry **

The first ionization energy, E, of a boron atom is 1.33 aJ. What is the wavelength of light, in nm, that is just sufficient to ionize a boron atom? Values for constants can be found here.

*February 14, 2016*

**chemistry **

Consider a sample of excited atoms that lie 3.211 × 10–19 J above the ground state. Determine the emission wavelength (in nanometers) of these atoms.

*February 13, 2016*

**English**

Consider the compound words blackboard and outfox and the relationship of their meanings to the meanings of the words that make them up. In what ways do these compound words show a degree of nonarbitrariness in their form-meaning connection? Will this true for all compound work?

*February 13, 2016*

**Math**

I have three test overall in my math class. I got a 53% on the first on. What do I have to get on the next two test to pass the class?

*December 14, 2015*

**algebra**

Identify the variable constant numerical and literal coeficient in algebraic expression of 4x³y + 15y² -9

*June 27, 2015*

**Chemistry **

Help needed with a calorimeter lab. I have to measure the enthalpy of a neutralization reaction between NaOH and HCl as well as find the concentration of NaOH the following ways. - using the mass and volume of NaOH - Using calorimetric data assuming no heat lost to calorimeter...

*November 17, 2014*

**chemistry**

if 5.105 gm of KHP (Mwt=204.2)was dissolved in 250 ml,10.70 ml of this solution of KHP was titrated with 10.0 ml of NaOH . Calculate the concentration of NaOH solution

*September 24, 2014*

**Algebra**

Mr. Yau uses 88m of fence to enclose 384m^2 of a rectangle plot of lawn. Find the dimensions of the lawn.

*September 7, 2014*

**lehman**

Hair Products A hair product company sells three types of hair products for $30, $20, and $10 per unit. In one year, the total revenue for the three products was $800,000, which corresponded to the sale of 40,000 units. The company sold half as many units of the $30 product as...

*June 13, 2014*

**lehman**

Investment A clothing company borrows $700,000. Some of the money is borrowed at 8%, some at 9%, and some at 10% simple annual interest. How much is borrowed at each rate when the total annual interest is $60,500 and the amount borrowed at 8% is three times the amount borrowed...

*June 13, 2014*

**business math**

please someone help

*May 26, 2014*

**business math**

Posted by bibi on Sunday, May 25, 2014 at 6:42pm. I need help can someone Help please. Thank everyone. I really appreciated. Break-even Analysis. the R from selling x units of a product is R=139.95x the Cost C of producing units is C=97X+850. In order to obtain a profit, the ...

*May 26, 2014*

**business math**

no I didn't

*May 25, 2014*

**business math**

Break-even Analysis. the R from selling x units of a product is R=139.95x the Cost C of producing units is C=97X+850. In order to obtain a profit, the revenue must be greater than the cost. A)complete the table x 10 20 30 40 50 60 R C B) for what values of x will this product ...

*May 25, 2014*

**business math**

4< t < 9 is the condition - -

*May 25, 2014*

**business math**

the annual sales S (in billion of dollars) of oracle corporation from 2004 through 2009 can be approximated by the linear equation S= 2.903t-1.98, 4 is less than proximally T less than proximally 9, where t represents the year, with t=. use the model to 4 corresponding to 2004...

*May 25, 2014*

**business math**

Salary Increase.you accept a new job with a starting salary of 34,800. you are told that you will receive an annual raise of at least 1,500. what is the maximum number of years you must work before your annual salary will 45,000

*May 25, 2014*

**Business mat**

7x+3=7x+b

*May 24, 2014*

**Algebra 1**

3(x+2)=3x+6

*May 16, 2014*

**Math check**

7x+3=7x+b

*January 8, 2014*

**CHEMISTRY**

Calculate the volume in liters required to prepare a 5.00M solution of HCL using 15.4gof HCL.

*November 15, 2013*

**Science**

A classmate states that igneous rock must always become sedimentary rock next,according to the rock cycle

*October 23, 2013*

**health**

The ureters carry the urine ________ the kidneys. A. Away from B. To C. Beyond D. None of the above

*January 6, 2013*

**Calculus**

Assume that an airplane is flying toward you at a constant height, h miles and at a speed dx/dt. When the plane is x miles away, what is the rate of change of theta?

*January 2, 2013*

**Statistic**

Final averages are typically approximately normally distributed with a mean of 78 and a standard deviation of 11. Your professor says that the top 6% of the class will receive an A; the next 24%, a B; the next 41%, a C; the next 18%, a D; and the bottom 11%, an F. (Give your ...

*September 26, 2012*

**Statistic**

If you roll a die 35 times and 7 of the rolls result in a "5," what empirical probability was observed for the event "5"?

*September 18, 2012*

**SCIENCE**

HOW DO I CALCULATE THE PRESSURE EXERTED BY AN OIL EXPELLER ON THE OILSEED TO BRING OUT THE OIL

*May 31, 2012*

**business math**

What is the future value of an annuity that has the following characteristics: (a) you pay $1,000.00 per year into the annuity, (b) you make this payment for 10 years, and (c) you are able to obtain a 5% rate of return on your investment.

*May 27, 2012*

**Probability and Statistics**

a record company claims that of 55 000 cd's produced 15% will be defective, 100 were defective. is the company right?

*May 17, 2012*

**Information Systems in Organizations**

A B A

*May 17, 2012*

**math**

5 - 6

*April 10, 2012*

**algebra**

I NEED HELP SOLVING THIS PROBLEM 3.5(.4)/2.6 + 2.6/.4= PLEASE EXPLAIN AND SHOW HOW TO SOLVE

*October 10, 2011*

**math**

In new jersey's pick 4 lottery game, you pay 50 cents to select a sequence of four digits, such as 1332. if you select the same sequence of four digits that are drawn, you win and collect $2788. 1. Find the expected value?

*September 25, 2011*

**random variables**

In new jersey's pick 4 lottery game, you pay 50 cents to select a sequence of four digits, such as 1332. if you select the same sequence of four digits that are drawn, you win and collect $2788. 1. Find the expected value?

*September 23, 2011*

**binomial probabbility**

yes thank you I believe thats what it stands for...

*September 23, 2011*

**binomial probabbility**

Assume that a procedure yields a binomial distribution with a trial repeated n times. use the binomial probability formula to find the probability of x success given the probability p of success on a single trial. 1. by formula- n=9, x=2, p=0.35 2. by PDF- n=15, x=13, p=1/3

*September 23, 2011*

**binomial probabbility**

Thank you...

*September 23, 2011*

**binomial probabbility**

The author purchased a slot machine configured so that there is a 1/2000 probability of winning the jackpot on any individual trial. Although no one would seriously consider tricking the author, suppose that a guest claims that she played the slot machine 5 times and hit the ...

*September 23, 2011*

**math**

Empirical Rule

*September 18, 2011*

**math**

Empirical rule the authors generac generator produces voltage amounts with a mean of 125.0 volts and a standard deviation of 0.3 volt,and the voltage have a bell-shape distribution.using the empirical rule,what is the approximate percentage of voltage amounts between 124.4 ...

*September 18, 2011*

**math**

Jenifer bought 2 notebooks and a pencil.One notebook cost twice as much as the other.The pencil cost $.30.She spent $ 6.75.How much did each note book cost?

*January 4, 2011*

**PSY 240**

According to my understanding and I am not understand too well enough to differentiate between the ideas of set points versus settling points in the relation to weight control, but what I think I understand from reading the text is that set points are the regulation of intake ...

*July 2, 2010*

**physics**

I AGREEEEEEE!!!!!

*December 5, 2009*

**music**

how to make sound ???? nd how do you change pitch ????

*November 23, 2009*

**home economics**

what is a third course meal

*November 22, 2009*

**Criminal Justice**

How is criminal behavior explicable according to rational theory? What crime control stratagies are effective according to rational theory? How could crimes like this be prevented according to the rational choice theory?

*July 15, 2009*

**critical thinking**

In 1976 a powerful earthquake hit the city of Tangshan, China. Scientists had failed to predict the earthquake. If people had paid attention to the unusual animal behavior that preceded the earthquake, however, they would have known it was coming. Animals can often sense an ...

*January 22, 2009*

**Math (Homological Algebra)**

Does anyone here know how to compute H^3(G,Z) where G is the klein 4 group?

*March 5, 2007*

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