# Posts by Josephine

Total # Posts: 67

math
Aluminum oxide, when aluminum chloride reacts with ammonium hydroxide, the end result is ammonium chloride and aluminium hydroxide but this only happens if the mixture of ammonium hydroxide and aluminium chloride are ignited through ammonium oxide.

Maths
city a is 300km due east of city b.city c is 200km on a bearing of 123 degrees from city b.how far is it from c to a

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?

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.

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

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

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

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

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

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?

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

math
57865-______+23129=48675

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 ...

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

Geography
It is not tertiary I fall the question buy puting that

math
12

I don't know

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

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

science
to the power of...

college implicit HELP!
how u get 2x/√xy? i thought 4x/√xy.

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?

Calculus implicit
ok i'll try another, thanks

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

Calculus AP need help!
thanks

Calculus AP need help!
i mean i still don't understand this problem

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.

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

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 ...

MATH
1+1

university of port harcourt
illustrate how government spending and taxation will impact on macroeconomics equilibrum in a closed economy

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 ...

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?

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

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

Cost accounting
Is one equivalent unit computation sufficient for all cost components?

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 ...

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 ...

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. ...

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. ...

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...

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 ...

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.

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, ...

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 ...

algebra
17=5-3p

algebra
2+x=8

algebra
2+x=8

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 ...

statistics
Parameter

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?

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...

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)

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 ...

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 “...

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.

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 ...

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% ...

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...

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 ...

Science
What type of front is associated with floods?

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

science
how does the massof an atom affect the rate it diffuses

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

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.

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

pure competition
a market with many buyers and sellers