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Posts by kimberly

Total # Posts: 403

Computer program and design
Design a class called SimpleCalculator using psudoecode that contains public methods named add(), subtract(). Each of the methods accepts two numeric arguments and returns a number that represents the result of the appropriate arithmetic operation. Design a sub-class of ...

Accounting
During 2013, Moore Corporation paid $14,000 of dividends. Moore's assets, liabilities, and common stock at the end of 2012 and 2013 were: 12/31/2012 Total Assets:$144,200 Total Liabilities:$52,600 Common Stock:$60,000 12/31/2013 Total Assets:$178,500 Total Liabilities:$59,...

Chemisty
Calculate the Volume occupied by 1.5 moles of an ideal gas at 25 degrees Celsius and a pressure of 0.80 atm. (R= 0.08206 L atm/(mol*K). I've tried using the ideal gas law: PV=nRT but i can't seem to get where I am getting lost. V=(1.5mol)(0.08206 L atm/mol*K)(298.15K)/...

Geometry
I really don't understand this.... You want 12feet to equal 9inches on the blueprint. What scale factor must you use to create an accurate blueprint?

Algebra 2 pleaase help me out!!
Katrina owns a sandwich shop. She wants to know if she can sell more chicken sandwiches if they are prepared with a special sauce. Katrina sells regular chicken sandwiches on a random sample of 10 days and she sells sandwiches with the special sauce on a random sample of 10 ...

Math Check
Which nonterminating decimal can be converted into a rational number? 0.818118111... 0.020304050... 0.010110111... 0.321321321... *** George has a square sandbox in the backyard. The sandbox has an area of 160 square feet. To the nearest foot, what is the length of one side of...

American Government
the correct answer is actually B

science
how many moles of h2 can be prepared from 3moles of Fe ?

Chemistry Help Please!
1) You have a protein at 20 ug/ml. Its MW =10,000. What is the concentration in molarity? Show work please! 2) You are asked to make 30 mL of a solution at 0.03M using the 0.10M stock solution. How many mililliliters of water do you use to make this solution? How many ...

Biology Help Please!
1) Which tube will be most 'yellow' at the end of the experiment? ( For Enzyme Kinetics Experiment) a) Substrate Concentration: 0.006M (my answer) Inhibitor: absent b) Substrate Concentration: 0.006M Inhibitor: un-competitive inhibitor present c) Substrate ...

Biology Help Please!
(In enzyme kinetics experiment)

Biology Help Please!
1) Which tube will be most 'yellow' at the end of the experiment? a)Substrate Concentration: 0.006M Inhibitor: absent b)Substrate Concentration: 0.006M Inhibitor: un-competitive inhibitor present c) Substrate Concentration: 0.0005M Inhibitor: un-competitive inhibitor ...

Biology Help Please!
)Describe the importance of chromatin remodeling process to transcription. Select the four correct answers. a) These alterations can be used to activate transcription of a gene by hiding its enhancer sequences. b) These alterations can be used to activate transcription of a ...

life orientation
the human rights influence to treat each other equally and with respect towards one another, to not be racist, we are able to live and to express ourselves, and that we should respect our rights and others rights

life orientation
the violation depends on your research

life orientation
theres the human right to no slavery, we are all free and equal, and the right to education. these are really important for example no one has the right to make someone there slave, we are all born free and we should all be treated the same, and we have the right to learn

Life orientation
what is the crime and the consequences?

life orientation
individuals should know and understand their human rights, and by knowing these rights they will know when these rights are being violated.

math
the standard form of the equation of a parabola is y=x^2-6x+14.what is the vertex form of the equation?

converting parabolic equations
The vertex form of the equation of a parabola is x=8(y-1)^2-15. What is the standard form of the equation?

converting parabolic equations
The vertex form of the equation of a parabola is x=8(y-1)^2-15. What is the standard form of the equation?

HISTORY HELP plsssssssss
I believe it is C: Hauyna Capac

Genetics Help!!!!
1 ) When the kinase ATM is activated after DNA damage occurs in the cell a. it can directly phosphorylate p53, which is then stabilized b. it can directly phosphorylate p53, which is then targeted for degradation by MDM2 c. it can phosphorylate the p53 gene, leading to an ...

Math
A piece of cable 85 cm long weighs 52 grams. What will a 10cm length of th same weigh?

perimeter
The screen T.V. of Bradley is 15 m 20 m. It wants to put the new cover on the screen of T.V. which costs $25 per square meter. How much the cost-t-it to cover its screen T.V.?

math
For every boy taking classes at the music school , there are 3 girls who are taking classes at the school . if there are 128 students taking classes , write and solve a proportion to predict the number of girls taking classes at the school

algebra
If the temperature was 73 degrees outside at 5:00 p.m., but it fell 19 degrees by 10:00 p.m., what is the temperature at 10:00 p.m.? Write equation and solve.

math
whats 3-7+(8+9)=

Mth 156
A company will need $35000 in 6 years for a new addition. To meet this goal the company deposits money in an account today that pays 6% annual interest compounded quarterly. Find the amount that should be invested to total $35000 in 6 years. The company should invest

MTH 156
When two gears are mashed the revolution per minutes (rpm) are inversely proportional to the number of teeth, as show below. In one machine the rpm ratio of the larger gear to the small gear is 4:7 The small gear has 216 teeth In second machine the larger gear revolves at 400 ...

Math help
Convert the repeating decimal to a/b form, where a,b are integers and b =0(there is a slash through the equal sign) 2.36(there is a line over .36)'

Lemoyne Owen College
Math- If the gas is initially at room temperature (20celsius)and is heated in an isobaric (constant pressure) processing then what will be the temperature of gas in degree Celsius when it has expanded to a volume of 0.700 m to the third power

Math
Which statements is false? A. A decimal fraction has a multiple of 10 as a denominator. B. Every rational number can be associated with a point in the real number line. C. A terminating decimal cannot be expressed as a repeating decimal. D. The set of rational numbers includes...

Science
I mean b and c

Science
I'm conflicted between b and d

Science
Scientists who study abnormal animal behavior would probably know much about A. Astronomy B. biology C. Geography D. History

English
What does "articulated with characteristic eloquence" mean? Thanks.

Grammar
thank you so much

Grammar
C?

Grammar
On many mornings, the sky is adorned with peach-and-melon-colored ribbons as a blazing SOLAR sun begins to peek over the horizon. 1) Which choice would be the most consistent with the figurative description provided elsewhere in the sentence? A. No change B. Luminous C. ...

Math
A court is 94ft long by 50ft wide. It has 3 circles each 12ft diameter. Two of the circles are at the free throw line and the third is at the center of the court. Within the 3rd circle is another circle with a radius of 2ft.The key is rectangular region on the court from the ...

chemistry
I posted my specific heat wrong. Now, how many joules is required to change temp of 225 g of lead from 5.0*C. specific heat of lead is 0.129J/g*C. I came up with 5805. It just doesnt look correct. Please help

chemistry
How many joules is required to change the temp of 225 g of lead from 5.0*C to 25*C. specific heat of lead is 0.139J/g*C. I came up with 5805 and it just doesn't look right.

Algebra
Jess saved $500 working during the summer. He plans to buy school clothes with his money. He found jeans he liked for $30 per pair, including tax, and shirts for $17, including twice. If he buys exactly twice as many shirts as jeans, how many pairs of jeans can jess buy ...

chemistry
Lithium chlorate is decomposed with heat to give lithium chloride and oxygen gas. If 2.23g of lithium chlorate is decomposed, how many milliliters of oxygen are released at stp?

Math
how to multiply1111X101 in base 2 binary

Language Arts
I use Connexus too, and I'm just so confused because my teacher wants me to define this.

College
how do you write 1.1x10 to the 5 power in a standard notation

History
How did the spread of Islam lead to golden age?

Technology
Is there a app that shuts off iPhone without pressing home or sleep button?

algebra
3200! BLESS YOUR SOUL KIND PERSON THANK YOU SO MUCH!!

algebra
how many tiles 10cm by 25cm on each side is needed for a bathroom 8m by 10m? I need help on how to solve it... I learned how to do this in 8th grade but I'm now in 10th and I forgot how to do it. I'm preparing for the highschool exit exam and I need to do this problem ...

physics
A 0.5 kg rock is projected from the edge of the top of a building with an initial velocity of 9.66 m/s at an angle of 41 degrees. The building is 10.1 m in height. At what horizontal distance, x, from the base of the building will the rock strike the ground? Assume the ground ...

physics
A ball is thrown horizontally from the top of a building 43.4 m high. The ball strikes the ground at a point 57.3 m from the base of the building. The acceleration of gravity is 9.8 m/s^2. a. Find the time the ball is in motion. Answer in units of s. b. Find the initial ...

Geometry
A marathon runner ran the first 4 miles in 27.8 minutes. If she continues running at this pace, how long will it take her to run the entire marathon of 26.2 miles?

Physics Questions Help Please!
1) The lowest tone to resonate in an open pipe of length L is 1600 Hz. What is the frequency of the lowest tone that will resonate in a closed pipe of length 2L? a) 100 Hz b) 1.60 Hz c) 200 Hz d) 0.800 kHz 2) Which of the following does not increase as a sound becomes louder? ...

Algebra
The fuel efficiency for a certain midsize car is given by E(v) = −0.017v^ + 1.462v + 3.5 where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. (a) What speed will yield the maximum fuel efficiency? Round to the nearest mile per hour. ...

Physics help - Waves and Sound Questions
1) A 1.50-m long gas column that is open at one end and closed at the other has a fundamental resonant frequency 80.0 Hz. What is the sound speed in this gas? a) 120 m/s b) 30.0 m/s c) 480 m/s d) 213 m/s e) 53.3 m/s 2) You drop a stone down a well. You hear the splash 2.23 s ...

physical science
A 3Kg bar of aluminum has to be heated form 25 degreesC to 75 degreesC . how many calories are needed to achieve this temperature increase?

Algebra
The number of bass in a lake is given by P(t) = 2800/1 + 6e^−0.05t where t is the number of months that have passed since the lake was stocked with bass. (a) How many bass were in the lake immediately after it was stocked? 400 bass (b) How many bass were in the lake 1 ...

Math
Jack has 5 apples Sahara has 13 apples. They each got the same amount times the number they already have. How much apples does jack and Sahara have now.

Physics help
A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it with his hammer it is still at 200 C. he puts the iron piece in an 8 L bucket of water at 25 C. what is the final temp. of the iron (assume it is in ...

Physics Help Please!
an isolated container holding 5 kg of sulfuric acid is at 60 C. if 2.49x10^5 Joules of energy were transferred out of the acid, what would be the new temp. of the acid?

chemistry
the frequency factor and activation energy for a chemical reaction ate A=4.8 x 10^-12cm^3 and Ea=11.1kJ/mol at 327 K respectively. Determine the rate constant for this reaction at 327K

Physics help please
A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it with his hammer it is still at 200 C. he puts the iron piece in an 8 L bucket of water at 25 C. what is the final temp. of the iron (assume it is in ...

Physics Help Please!
A block of mass is moving along the horizontal frictionless surface with a speed of 5.70 m/s. If the slope is 11.0° and the coefficient of kinetic friction between the block and the incline is 0.260, how far does the block travel up the incline? Show step by step please! ...

Algebra
Sorry, but I did not post my question twice.

Algebra
A veterinarian uses 300 feet of chain-link fencing to enclose a rectangular region and also to subdivide the region into two smaller rectangular regions by placing a fence parallel to one of the sides, as shown in the figure. (a) Write the width w as a function of the length l...

math
write an equation to represent the statement"four less than the product of three and x is twenty-three" 3x - 4= 23 4x - 3x = 23 4x - 3 = 23 3 - 4x = 23

chemistry
The antacid in question (with an active ingredient of Ca(HCO3)2), upon treatment with excess hydrochloric acid, a 0.413 g sample gives 92.85 mL of CO2 at 25.00oC and 1.000 atm. What percentage of the antacid is active ingredient? Assume a perfect system (i.e. the yield is 100%)

chemistry
a 0.96 millimole sample of Na2CO3 gave 0.9 millimoles of CO2 gas. If a 0.376 g of pure Na2CO3 was reacted with excess acid, what volume of gas will be measured on this apparatus

Chem Help
what is meant by the following question give a detailed experiment design for the conversion of 2-methyl-2-butanol to 2-methyl-2-butene on the 0.2 molar scale. I don't need help with the experimental design I just didn't understand what is meant by 0.2 molar scale. ...

Organic Chem Help Please!
if you used 40 g of cyclohexanol and obtained 24.6g of pure cyclohexene, a) what is your w/w yield? b) what is your theory yield? Thank you !

Chem Help Please!
Explain why the stability of alkyl carbocations is: tertiary > secondary > primary > methyl Thanks!

Pre-Calc
A point on the terminal side of an angel theta is given. Find the exact value of the indicated trigometric function (-1/5,1/2 ) find cos theta

Physics Help Please!!!! Check!
if I weigh N on Earth and 5320 N on the surface of a planet, what is the acceleration due to gravity on that planet? mg=702N m=702/9.8=71.6 kg mg=5320N g=5320/71.6=74.3 m/s^2

Physics Help Please!!!! Urgent!!
1) A 10 kg lead brick rests on a wooden table. if a force of 46N is required to slide the brick across the table at a constant velocity, what is the coefficient of friction? 2) A horizontal force of 100N is applied to a 200 kg refrigerator sitting on a horizontal surface. the ...

Chem Help Please!
Give the full mechanism for the reaction of 1-bromo-3-methylpentane with methanol. I know you cant draw on here. but can you tell write it out with words? Thanks!

math/help please
15/16 pages in 2/3aminute

6th grade math
Hi I'm a parent and I'm trying my best to help my son but I need help. The problem is... Find two positive decimals a and b that make the following statement true. Then find two positive decimals a and b that make the statement false. If a < 1 and b < 1, then a ...

Organic chem Extraction of caffeine from tea
What is the name used for the mixture of the upper and lower layers that did not completely separate when you allowed the mixture to settle? What type of compound could cause the layers not to separate cleanly? If you obtained a poor separation of your phases, suggest two ...

Physics Help Urgent Please!!!
A crane is used to lift air conditioning units to the top of a 5-story building. Each story is 3.5 m high. The crane accelerates the units while lifting the units past the first story and then lifts them at a constant velocity past the second through fourth stories. it hen ...

Physics Help
An industrial die machine is used to stamp out holes in pieces of sheet aluminum. the die strikes the surface of the street of metal at a speed of 10 m/s, passes through the 0.635 cm thick sheet, reverses its direction, and is again moving at 10 m/s as it passes the top ...

Physics Need Help
The pile driver struck the piling with a speed of 20 m/s. At what height did the pile driver hammer have to be lifted for it to fall freely and attain that speed before striking the piling? Show steps please!!!

2
11.05

Science
igual donde kmox

Math
A dress is on sale for a 15% discount, meaning 85% of the price remains. If the sale price of the dress is $51, then the original price of the dress was $.

english 2
You should probably try looking the example essay in the textbook. Then try and see what you can come up with.

English! - Help!
Everyone is say they got a hundred but I am confused. 8 and 9 both look like they should C. For example problem 9 in The Gift of the Magi, the author is compassionate and ironic. He is not condescending? Yet, everyone is say they got a 100 with the answers b and a. Anyone have...

Sciene
Is Meiosis actually Mitosis happening twice? My answer- Yes because they are both a cell division process.

statistics
A quality supervisor for a factory that makes cell phone cases examines a sample of 46 cases. She finds that 8 cases are the wrong size. Which is the best prediction of the number of cases that will be the wrong size in a shipment of 3,000? A.)410 B.)475 C.)506 D.)522

Math
The regular pentagon have a perimeter of 18.8 units. What is the value of X?

spanish
Using the subject “usted” and the verb in the imperative, tell your instructor three things she or he must do. Then tell your instructor two things she or he must not do. You will be graded on accuracy and pronunciation. Provide your sentences in Spanish.

spanish
Usted debe corregir las pruebas. Usted tiene que darme más tiempo. Usted debe ir con nosotros. Usted no debe mascar chicle. Usted no tiene porqué hacerlo, que lo hagan ellos.

Calculus
The amount of carbon-14 still present in a sample after t years is given by the function where C0 is the initial amount. Estimate the age of a sample of wood discovered by an archeologist if the carbon level in the sample is only 18% of its original carbon-14 level.

Calculus
If 40 milligrams of strontium-90 radioactively decays to 12 milligrams in 30 years, find its half-life (the number of years it takes until half of it remains). Use the formula A = p ⋅ e−kt, where p is the amount and A the (smaller) final amount.

english
So, the correct answer is A

english
Which one of the following is a correct example of the singular possessive case? A. king's rights B. audiences' reaction C. women's club D. who's job I think it's C.

Statistics
1. A sports researcher gave a standard written test of eating habits to 12 randomly selected professionals, four each from baseball, football, and basketball. The results were as follows: Eating Habits Scores Baseball Players Football Players Basketball Players 34 27 35 18 28 ...

Calculus Help Please!!!
Find an equation of the tangent line to the curve at the given point. ((pi/6),(2 square root of (3)/3)) y = sec (x)

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