Thursday
December 8, 2016

Posts by Kimberly

Total # Posts: 395

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...
November 30, 2016

science
how many moles of h2 can be prepared from 3moles of Fe ?
November 22, 2016

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 ...
July 3, 2016

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 ...
June 19, 2016

Biology Help Please!
(In enzyme kinetics experiment)
June 18, 2016

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 ...
June 18, 2016

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 ...
April 24, 2016

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
April 23, 2016

life orientation
the violation depends on your research
April 23, 2016

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
April 23, 2016

Life orientation
what is the crime and the consequences?
April 23, 2016

life orientation
individuals should know and understand their human rights, and by knowing these rights they will know when these rights are being violated.
April 23, 2016

math
the standard form of the equation of a parabola is y=x^2-6x+14.what is the vertex form of the equation?
April 23, 2016

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?
April 23, 2016

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?
April 23, 2016

HISTORY HELP plsssssssss
I believe it is C: Hauyna Capac
April 18, 2016

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 ...
April 9, 2016

Math
A piece of cable 85 cm long weighs 52 grams. What will a 10cm length of th same weigh?
March 3, 2016

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.?
February 1, 2016

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
October 12, 2015

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.
August 29, 2015

math
whats 3-7+(8+9)=
August 21, 2015

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
August 7, 2015

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 ...
August 5, 2015

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)'
August 5, 2015

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
July 15, 2015

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...
July 8, 2015

Science
I mean b and c
July 8, 2015

Science
I'm conflicted between b and d
July 8, 2015

Science
Scientists who study abnormal animal behavior would probably know much about A. Astronomy B. biology C. Geography D. History
July 8, 2015

English
What does "articulated with characteristic eloquence" mean? Thanks.
July 7, 2015

Grammar
thank you so much
July 6, 2015

Grammar
C?
July 6, 2015

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. ...
July 6, 2015

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 ...
May 17, 2015

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
April 29, 2015

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.
April 29, 2015

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 ...
April 28, 2015

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?
April 28, 2015

Math
how to multiply1111X101 in base 2 binary
April 15, 2015

Language Arts
I use Connexus too, and I'm just so confused because my teacher wants me to define this.
April 9, 2015

College
how do you write 1.1x10 to the 5 power in a standard notation
March 23, 2015

History
How did the spread of Islam lead to golden age?
February 27, 2015

Technology
Is there a app that shuts off iPhone without pressing home or sleep button?
February 17, 2015

algebra
3200! BLESS YOUR SOUL KIND PERSON THANK YOU SO MUCH!!
February 16, 2015

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 ...
February 16, 2015

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 ...
January 3, 2015

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 ...
January 2, 2015

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?
December 9, 2014

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? ...
December 5, 2014

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. ...
December 1, 2014

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 ...
November 25, 2014

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?
November 18, 2014

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 ...
November 17, 2014

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.
November 17, 2014

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 ...
November 13, 2014

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?
November 13, 2014

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
November 11, 2014

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 ...
November 7, 2014

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! ...
November 5, 2014

Algebra
Sorry, but I did not post my question twice.
November 4, 2014

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...
November 4, 2014

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
November 3, 2014

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%)
November 1, 2014

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
November 1, 2014

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. ...
October 29, 2014

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 !
October 29, 2014

Chem Help Please!
Explain why the stability of alkyl carbocations is: tertiary > secondary > primary > methyl Thanks!
October 21, 2014

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
October 20, 2014

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
October 17, 2014

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 ...
October 16, 2014

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!
October 14, 2014

math/help please
15/16 pages in 2/3aminute
September 28, 2014

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 ...
September 17, 2014

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 ...
September 16, 2014

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 ...
September 15, 2014

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 ...
September 14, 2014

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!!!
September 14, 2014

2
11.05
September 11, 2014

Science
igual donde kmox
September 8, 2014

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 $.
June 30, 2014

english 2
You should probably try looking the example essay in the textbook. Then try and see what you can come up with.
June 26, 2014

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...
June 3, 2014

Sciene
Is Meiosis actually Mitosis happening twice? My answer- Yes because they are both a cell division process.
May 10, 2014

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
May 7, 2014

Math
The regular pentagon have a perimeter of 18.8 units. What is the value of X?
April 12, 2014

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.
April 7, 2014

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.
April 7, 2014

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.
March 26, 2014

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.
March 26, 2014

english
So, the correct answer is A
March 21, 2014

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.
March 21, 2014

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 ...
March 20, 2014

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)
March 20, 2014

I got the answer
Thank you!
March 16, 2014

Calculus Help
Use logarithmic differentiation to find the derivative of the function. y = (tan x)^(7/x)
March 16, 2014

Calculus Help Damon
Use implicit diff. to find dy/dx of each of the following. This is the question
March 13, 2014

Calculus Help
In the following x,y and (a) are all variables. Show steps please! Thank you! 1) y^2 = x^2+a^2 2) y^2+ay = x^2+ax+a^2
March 13, 2014

please check(Social studies)
Yes the mayan tempoles were made to honor gods
March 12, 2014

Math
A 6ft. person casts a 4ft. shadow. Next to the person, a lamppost casts a 30ft. shadow. How tall is the lamppost?
March 6, 2014

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