# Posts by Josephine

Total # Posts: 65

**math**

area of lighthouse x = 1017.36 mi^2 area of lighthouse z = 2461.76 mi^2 2461.76 - 1017.36 = 1444.4 lighthouse z lights up 1444.4 more area than lighthouse x?

*May 11, 2016*

**math**

lighthouse x has a radius of 18 mi lighthouse z has a radius of 28 mi lighthouse z lights up how much more area than lighthouse x? round answer to the nearest tenth.

*May 11, 2016*

**maths science**

a mixture of 0.5 mol H2(g) and 0.5 mol 02(g) is allowed to react in a container of volume 200 cm3 .represent in the table

*May 5, 2016*

**life orientation**

No anti retrovirals for people with hiv and aids so the right to good medication is violated

*April 16, 2016*

**math**

3 girls share a number of apples in the ratio 5:3:2. if the highest share is 40 apples, find the smallest share

*March 5, 2016*

**science**

a runner travels 3 kilometers in 30 minutes. what is the speed of the runner

*January 17, 2016*

**Science**

Why is it easier to recover silver from a solution than to recover lithium from the same solution

*November 18, 2015*

**physics**

an object of mass m moves with a uniform speed v round a circular path of radius r.if its angular speed is g the magnitude of the centripetal force acting on it is?

*September 12, 2014*

**math**

let d number of students b represented by x their total percentage is 100% if so 96%=36students 100%=x 96x=36×100 96x=3600 x= 3600÷96 x=37.5

*September 12, 2014*

**math**

57865-______+23129=48675

*July 1, 2014*

**psychology**

in his research, Dr. Caulfiel wants compare levels of tests anxiety among high school students in grade 10 and 12. His hypothesis is that seniors will have higher levels of test anxiety than sophomores will. His theoretical definition of test anxiety for each person in his ...

*June 13, 2014*

**health ,safety,and nutrition for the Young Child**

need to write a 300 word essay about what to look for when selecting a toy for a young I choose age 3-5 year old. how do I start the essay

*May 16, 2014*

**Geography**

It is not tertiary I fall the question buy puting that

*February 27, 2014*

**4th grade...math**

I don't know

*September 12, 2013*

**math**

15÷100×3500= 525 525+1950=2475 3500-2475=1025 final answer = 1025

*March 4, 2013*

**Math for Steve**

1. b 4.4:13 6.c-0.35per bagel 7.b 13.5:8 14. 6:5 15. 2:3 16.23:27

*October 30, 2012*

**science**

to the power of...

*March 8, 2012*

**college implicit HELP!**

how u get 2x/√xy? i thought 4x/√xy.

*March 1, 2012*

**college implicit HELP!**

I WANNA KNOW I'M DOING RIGHT. Find the slope of the tangent line to the curve √(3x+2y) + √(4xy)=11.6 at the point (6,4). THAT WHAT I DID: (3x+2y)^1/2+(4xy)1/2=11.6 next step: 1/2(3x+2y)^-1/2*y'+1/2(4xy)*y=0 y'= -(3x+2y)/(4xy) right?

*March 1, 2012*

**Calculus implicit**

ok i'll try another, thanks

*February 29, 2012*

**Calculus implicit**

find y' by implicit differentiation. i don't understand, its so complicate. 1. 4cos(x-y)=3ysinx 2. 4sin(x-y) =3ysinx

*February 29, 2012*

**Calculus AP need help!**

thanks

*February 28, 2012*

**Calculus AP need help!**

i mean i still don't understand this problem

*February 28, 2012*

**Calculus AP need help!**

i still understand this problem If x^2/25 +y^2/49=1 and y(3)=5.6000, find y'(3) by implicit differentiation.

*February 28, 2012*

**Biochemistry**

Part A... Solving for x we will get 4.028x10^-4 Plugging it in into pH equation, we will get pH of 3.39 Part B 5.76g

*January 29, 2012*

**business**

Many towns and small cities have websites that they use to interact with their citizens. In 100 words, describe three departments that should be included on the home page of a small towns Web site and describe the citizens interactions that should be facilitated by the site ...

*October 25, 2011*

**MATH**

1+1

*April 10, 2011*

**university of port harcourt**

illustrate how government spending and taxation will impact on macroeconomics equilibrum in a closed economy

*February 12, 2011*

**Cost Accounting**

Please somebody can help with the steps of this problem: Thank you (Comprehensive) Construction Company uses a job order costing system. In May 2008, company made a $1,650,000 bid to build a pedestrian overpass over the beach highway in Gulfport, Mississippi. Company ...

*August 23, 2010*

**Psychology**

How does psychology as a scientific discipline differ from the causal observations we make about the world in everyday life? What are the similarities?

*March 31, 2010*

**Chemistry**

Gas X has a density of 2.60 g/L at STP. Determine the molar mass of this gas.

*February 18, 2010*

**Intermediate Accounting**

Can you give me a website or answer this question please. How does a contributory pension differ from a non-contributory pension plan? Thank you

*January 22, 2010*

**Cost accounting**

Is one equivalent unit computation sufficient for all cost components?

*October 15, 2009*

**Cost accounting**

Red River Products uses a normal cost, job order costing system. In the Mixing Department, overhead is applied using machine hours; in Paving, overhead is applied using direct labor hours. In December 2007, the company estimated the following data for its two departments for ...

*October 7, 2009*

**Cost accounting**

Gary corporation has developed the following flexible budget formula for monthly overhead: for output of les than 200,000 units: $36,600 + $80 (units) for output of 200,000 units or more: $43,000+$80 (units), How much overhead should Gary expect if the firm plans to produce ...

*October 5, 2009*

**Cost accounting**

(High-low method) Information about SnoCos’ utility cost for the last six months of 2008 follows. The high-low method will be used to develop a cost formula to predict 2009 utility charges, and the number of machine hours has been found to be an appropriate cost driver. ...

*September 30, 2009*

**Cost accounting**

Please give me the step of follows?Predetermined OH rate) For 2008, Southwest Industrial has a monthly overhead cost formula of $42,900+$6 per direct labor hour. The firm’s 2008, expected annual capacity is 156,000 direct labor hours, to be incurred evenly each month. ...

*September 30, 2009*

**Cost accounting**

(Predetermined OH rate) For 2008, Southwest Industrial has a monthly overhead cost formula of $42,900+$6 per direct labor hour. The firm’s 2008, expected annual capacity is 156,000 direct labor hours, to be incurred evenly each month. Making one unit of the company’s...

*September 30, 2009*

**Cost of Accounting**

1-How does an actual system differ from a normal costing systems? What advantages does a normal costing systems offer? 2-Why is it necessary for a company to specify a relevant range of activity when making assumptions about cost behavior? 3- Why is it more important to have ...

*September 25, 2009*

**Cost accounting**

Flexibility is said to be the hallmark of modern management accounting, whereas standardization and consistency describe financial accounting. Explain why the focus of these two accounting systems differs.

*September 24, 2009*

**Cost of Accounting**

What is the classification of the Cost behavior and classification: Factory supervision, Aluminum tubing, Rims,Emblem, Gearbox, Straight-line depreciation on paint machine,Fenders, Inventory clerk’s salary, Inspector’s salary, Handlebars, Metal worker’s wages, ...

*September 23, 2009*

**Cost accounting**

Please can you give the step to do this problems. (Comprehensive) Jackson Construction Company uses a job order costing system. In May 2008, Jackson made a $1,650,000 bid to build a pedestrian overpass over the beach highway in Gulfport, Mississippi. Jackson Construction won ...

*September 20, 2009*

**algebra**

17=5-3p

*September 7, 2009*

**algebra**

2+x=8

*September 7, 2009*

**algebra**

2+x=8

*September 7, 2009*

**statistics**

A consumer research organization is attempting to determine whether there is any difference in mpg for fully loaded 22-foot trucks leased from three companies, A-Haul, Bertz, and Glyder. Five of these trucks are rented from each company. Each truck is driven with the same ...

*August 30, 2009*

**statistics**

Parameter

*August 29, 2009*

**statistics**

You asked ten of your classmates about their weight. On the basis of this information, you stated that the average weight of all students in your university or college is 145 pounds . this is an example of?

*August 29, 2009*

**business statistics**

Samples of 12-volt batteries are taken at 30-minute intervals during a production run. Each sample consists of three batteries, and a technician records how long each battery will produce 400 amperes during a standard test. Given the following data, also listed in file XR20042...

*August 25, 2009*

**business statistics**

Minutes Sample Battery Battery Battery $ e 1 2 3 13.3 1 13.3 9.4 12.1 9.4 2 12.2 13.4 8.5 12.1 3 11.2 8.2 9.2 12.2 4 7.8 9.7 10.0 13.4 5 10.1 11.4 13.8 8.5 6 9.9 11.7 8.5 11.2 8.2 Thank you drwls (this is the second part of the exercise)

*August 24, 2009*

**business statistics**

Please can you give me the step to do this exercise? Thank you Samples of 12-volt batteries are taken at 30-minute intervals during a production run. Each sample consists of 3 batteries, and a technician records how long each battery will produce 400 amperes during a standard ...

*August 24, 2009*

**business statistics**

In response to media inquiries and concerns expressed by groups opposed to violence, the president of a university with over 25,000 students has agreed to survey a simply random sample of her students to find out whether the student body thinks the school’s “...

*July 30, 2009*

**business statistics**

the following data values are a simple random sample form a population that is normally distributed, with ²= 25.0: 47,33,42,34, and 41. Construct and interpret the 95% and 99% confidence intervals for the population mean.

*July 29, 2009*

**Statistics**

) Laura McCarthy, the owner of Riverside Bakery, has been approached by insurance underwriters trying to convince her to purchase flood insurance. According to local meteorologists, there is a 0.01 probability that the river will flood next year. Riverside’s profits for ...

*July 21, 2009*

**Statisticssd**

The following contingency of frequencies is based on a 5-year study of fire fatalities in Maryland. For purposes of clarity, columns and rows are identified by the letters A-C and D-G, respectively. Blood Alcohol Level of Victim A B C Age 0.00% 0.01-0.09% ¡Ý0.10% ...

*July 21, 2009*

**Statistics**

The regional manager in Exercise 6.10 plans to evaluate the speed of services at five local franchises of the restaurant. For the fives serves, determine the probability that a. None will receive a movie coupon b. two of the five will receive a coupon c. three of the five will...

*July 20, 2009*

**college**

A contractor must pay a $40,000 penalty if construction of an expense home requires more than 16 weeks. He will receive a bonus of $10,000 if the home is completed within 8 weeks. Based on experience with this type of project, the contractor feels there is a 0.2 chance the ...

*July 20, 2009*

**Science**

What type of front is associated with floods?

*January 1, 2009*

**oratorical piece**

please give me an oratorical piece about science, there is a bright future and a better tomorrow. thank you.

*January 28, 2008*

**science**

how does the massof an atom affect the rate it diffuses

*January 19, 2008*

**Chemistry**

hey thanks christina your a life saver, this is just what i need (=

*August 22, 2007*

**Chemistry**

hey thanks DrBob222 but can you put it into more detail, like every step of the process because my text doesnt provide me with anything.

*August 22, 2007*

**Chemistry**

hey guys can you please help me with this question. Identify the steps required to standardize a 0.1M HCl stock solution with sodium carbonate: Na2CO3, mol wt. = 105.99 g/mol. thank you

*August 22, 2007*

**pure competition**

a market with many buyers and sellers

*November 8, 2006*

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