Wednesday
February 10, 2016

Posts by Erin

Total # Posts: 641

Algebra
y3-2y2- + 3y-4 for y+5 (-9) (-9) (-9) m.m.m 7.a.a.b.b.b
March 24, 2009

9th grade Pre Algebra
y3-2y2- + 3y-4 for y+5
March 24, 2009

9th grade Pre Algebra
I need help with exponents -n6 for n=2
March 23, 2009

9th Pre Algebra
I need help with exponents -n6 for n=2
March 23, 2009

Reading
How many hours 150 minutes for reading log? for times with reading log
March 21, 2009

math
thank you!
March 14, 2009

math
You must be at least 48 inches tall to ride an amusement park ride, and your little sister is 30 inches tall. How many inches/must she grow before she may ride the ride? You need no more than 3,000 calories in a day. You consumed 840 calories at breakfast and 1,150 calories at...
March 14, 2009

Wilders Preparatory
What are the modifiers for the word flexible?
March 6, 2009

biology repost
Predict what would happen to a red blood cell placed in each of the following external solutions. Would it shrink, swell, or not change its volume? Explain each answer in ONE sentence. a. 150 mM NaCl b. 100 mM NaCl plus 50 mM albumin
March 6, 2009

biology
Predict what would happen to a red blood cell placed in each of the following external solutions. Would it shrink, swell, or not change its volume? Explain each answer in ONE sentence. a. 150 mM NaCl b. 100 mM NaCl plus 50 mM albumin
March 6, 2009

biology
Predict what would happen to a red blood cell placed in each of the following external solutions. Would it shrink, swell, or not change its volume? Explain each answer in ONE sentence. a. 150 mM NaCl b. 100 mM NaCl plus 50 mM albumin
March 6, 2009

Writing
no.
March 4, 2009

Writing
Do you have any connections with the myth you chose? Lack of connectionss? Discuss (write) about your connections.
March 4, 2009

Writing
Myth Literature Response Questions about Pandora's Box? I need help?!? What happended in the story? (Write is the plot?) Write a summary with rising action, climax and resolution.
March 4, 2009

Writing
Myth Literature Response Questions about Pandora's Box? I need help?!?
March 4, 2009

chem post
what are the point groups for mer- Co Cl3 (CO3) and fac- Co Cl3 (CO3)
March 4, 2009

chemistry
what are the point groups for mer- Co Cl3 (CO3) and fac- Co Cl3 (CO3)
March 4, 2009

chem
what are the point groups for mer- Co Cl3 (CO3) and fac- Co Cl3 (CO3)
February 26, 2009

Math
are you good with times? I am struggling with studying with times so help me: The first walker to finish the 12 miles crossed the finish line 3 hours after the offical starting time of 10:00 a.m. At what time did the first walker finish? The judges left the finish line at 5:30...
February 25, 2009

chemistry
what are the symmetry elements for: cis-CoCl2(NH3)4 and trans-CoCl2(NH3)4 would it be C2 S2?
February 25, 2009

Choosing High School Courses
Good choice is to choose high school easy: Algebra 1, PE, and home ec (cooking class) or etc.... English is the best for writing strategy, and reading is kind of good.
February 23, 2009

chem please
yes. the solubility of KNO3(s) at 0.0 degree celsius is 15g KNO3/100g H2O. Also, A 320g sample of a saturated solution of KNO3(s) in water is prepared at 25.0 degree celsius (this is part of the info given). i don't know how to solve this.
February 1, 2009

chem please
If 60 g water is evaporated from the solution at the same time as the temperature is reduced from 25.0 to 0.0 degree celsius, what mass of KNO3(s) will recrystallize?
February 1, 2009

chemistry: again
What is the predominant type of intermolecular force in I2 (iodine)?
February 1, 2009

Chemistry: help please
What is the millimolar solubility of oxygen gas,O2, in water at 20 degree celsius, if the pressure of oxygen is 1.00atm?
February 1, 2009

science please!
Estimate the value of the cell potential for the following rxn: Mn02(s) + 4H30+(pH=3.8) + 2Ag(s) --> Mn2+(aq, .1M) + 6H20(l) I got Ecell=.48V delta G circle= -92640 J/mol and delta g = -107484 is this correct?
January 20, 2009

science
how does the life cycle of hatena compare to the origin of eukaryotic cells as noted in Margulis’ Endosymbiotic Theory? something about how one life form engulfs another and incorporates it, evolving until it becomes dependent on it and has created an entirely new life ...
January 20, 2009

biology
how does the life cycle of hatena compare to the origin of eukaryotic cells as noted in Margulis’ Endosymbiotic Theory? something about how one life form engulfs another and incorporates it, evolving until it becomes dependent on it and has created an entirely new life form?
January 19, 2009

bio
how does the life cycle of hatena compare to the origin of eukaryotic cells as noted in Margulis’ Endosymbiotic Theory? something about how one life form engulfs another and incorporates it, evolving until it becomes dependent on it and has created an entirely new life ...
January 19, 2009

chemistry
an electrochemical cell uses Al and Al+3 in one compartment and Ag and Ag+ in the other write a balanced equation for the rxn that will occur spontaneously in this cell would that just be Al + Al+3 + 2e --> Ag + Ag+ ?
January 18, 2009

Algebra II- please help!
Thank you, Reiny. My teacher taught me something very similar to your method and now I understand it. Thank you for your help! : )
December 10, 2008

Algebra II- please help!
Thank you so much, Damon! You really helped me out! : )
December 10, 2008

Algebra II- please help!
I just cannot seem to be able to grasp the concept of solving polynomial inequalities. Can someone please explain, step by step, how to solve them? Here's a problem I can't solve. Please use this as an example: (x-2)(x-5)<0 I cannot thank you enough for helping me ...
December 10, 2008

biology
what are the three parts of the cell theory?
November 25, 2008

science
what are the four properties that can be used to classify elements?
November 12, 2008

algebra 2
how do you solve this? -2square root7-4square root7
October 26, 2008

history HHHEEELLLPPP!!!
What is the society and environment of the coastal plains?
October 9, 2008

chemistry
what is a summary of observed behavior? maybe im thinking about it too much and its simple but im lost! HELP
October 7, 2008

history
Why did the cowboys go west?
October 7, 2008

history HHHEEELLLPPP!!!
did the railroad workers go west for job opportunities and technological advances?
October 7, 2008

history
they went west for job opportunities and for technological advances?
October 7, 2008

history
what are two reasoms why the railroad workers went west?
October 7, 2008

history HHHEEELLLPPP!!!
thankyou
October 7, 2008

history HHHEEELLLPPP!!!
Why did the miners move west? 2 reasons
October 7, 2008

calculus
Evaluate the following limit lim x^2 + 3x - 40 x-->5 ------------- 3x + 10 - x^2
September 27, 2008

science
how does yeast cause bread to rise?
September 26, 2008

chemistry
Consider the following reaction: 2HBr(g)---> H_2(g) + Br_2(g) B)In the first 15.0s of this reaction, the concentration of HBr dropped from 0.510M to 0.455M. Calculate the average rate of the reaction in this time interval. C)If the volume of the reaction vessel in part (b) ...
September 24, 2008

English-Symbolism
Need help with symbolism project. thank you for your help.? I need help with explaining symbolism of the ax from black cat. Do you know what symbolism mean is? THANK YOU FOR YOUR HELP
September 13, 2008

physics
A closed surface encloses a net charge of 0.00000210 C. What is the net electric flux through the surface?
September 12, 2008

physics
A point charge of -4.00nC is at the origin, and a second point charge of 6.00nC is on the axis at x = 0.800m . Find the magnitude and direction of the electric field at each of the following points on the axis. x_2 = 17.0cm, x_3 = 1.30m , x_4=-17.0cm
September 12, 2008

history HHHEEELLLPPP!!!
Thankyou Ms.Sue!!! It helped alot.
September 11, 2008

history HHHEEELLLPPP!!!
How did the rich Southern planters regain control in the south after the civil war?
September 11, 2008

history HHHEEELLLPPP!!!
i couldn't find it in my text book.
September 11, 2008

history HHHEEELLLPPP!!!
can you help?
September 11, 2008

history HHHEEELLLPPP!!!
yes
September 11, 2008

history HHHEEELLLPPP!!!
How did the rich southern planters regain control in the south after the civil war???
September 11, 2008

history
thankyou Ms.Sue!!!!
September 11, 2008

history
How did congress try to counteract the Jim Crow Laws?
September 11, 2008

chemistry
Benzene has a heat of vaporization of 30.72kJ/mol and a normal boiling point of 80.1 degrees C. At what temperature does benzene boil when the external pressure is 470 torr?
September 7, 2008

chemistry
Calculate the amount of heat required to completely sublime 24.0 g of solid dry ice CO_2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kJ/mol.
September 7, 2008

physics
what does E mean? Could you explain it another way because I'm confused.
September 5, 2008

physics
I tried that and got 1.8x10^8 but it wasn't the right answer
September 5, 2008

physics
Calculate the electrical attraction that a proton in a nucleus exerts on an orbiting electron if the two particles are 1.13×10^-10 m apart.
September 5, 2008

math
Solve for w: P=2L+2W
September 1, 2008

social studies
When did the firt migrants arrive in the americans
August 27, 2008

Math
If you are writing a number sentence based on a given word problem do you include the clarrifying words or just the numbers? There are 12 students in class. If they are divided into 3 groups, how many children will be in each group?
August 11, 2008

Reseach paper
I am also doing the same paper and am having the exact same problems as the rest of you. Try this, I read and re-read the sentences in every paragraph that I did and realized that I could make two senteces out of one that I wrote to reach the six sentence requirement on each ...
June 21, 2008

Hello!
I love cyber chickens!!! Do you???
May 19, 2008

Math
bla bla bla because he has no tea bla bla bla
May 13, 2008

physics
According to one set of measurements, the tensile strength of hair is 196 MPa, which produces a maximum strain of 0.400 in the hair. The thickness of hair varies considerably, but let's use a diameter of 50.0 u(mu)m . What is the magnitude of the force giving this tensile ...
April 18, 2008

physics
If a vibrating system has total energy Eo , what will its total energy be (in terms of Eo) if you double the amplitude of vibration? If you want to triple the total energy of a vibrating system with amplitude Eo , what should its new amplitude be (in terms of Ao)?
April 18, 2008

physics
It is reasonable to assume that the bulk modulus of blood is about the same as that of water (2.20 GPa). As one goes deeper and deeper in the ocean, the pressure increases by 1.0*10^4 Pa for every meter below the surface. If a diver goes down 33.0 m (a bit over 100 ft) in the ...
April 13, 2008

physics
A thin, light string is wrapped around the rim of a 4.00kg solid uniform disk that is 30.0cm in diameter. A person pulls on the string with a constant force of 100N tangent to the disk. Find the linear acceleration of its center of mass. If the disk is replaced by a hollow ...
April 12, 2008

physics
A woman with mass 50.0kg is standing on the rim of a large disk that is rotating at 0.500rev/s about an axis perpendicular to it through its center. The disk has a mass of 110kg and a radius of 4.00m. Calculate the magnitude of the total angular momentum of the woman-plus-disk...
April 12, 2008

physics
A woman with mass 50.0kg is standing on the rim of a large disk that is rotating at 0.500rev/s about an axis perpendicular to it through its center. The disk has a mass of 110kg and a radius of 4.00m.
April 12, 2008

physics
The outstretched hands and arms of a figure skater preparing for a spin can be considered a slender rod pivoting about an axis through its center. When the skater's hands and arms are brought in and wrapped around his body to execute the spin, the hands and arms can be ...
April 12, 2008

physics
In the figure, forces A, B, C and D each have magnitude 50.0 N and act at the same point on the object. What torque (magnitude and direction) does A force exert on the object about point P? What torque (magnitude and direction) B does force exert on the object about point P? ...
April 12, 2008

physics
A solid uniform marble and a block of ice, each with the same mass, start from rest at the same height above the bottom of a hill and move down it. The marble rolls without slipping, but the ice slides without friction. Find the speed of each of these objects when it reaches ...
April 6, 2008

algebra
The diagonal of a square connects the points (8,-2) and (-1,-11). Find the perimeter of the square.
March 18, 2008

physics
An 8.00kg package in a mail-sorting room slides 2.00 m down a chute that is inclined at 53.0 degrees below the horizontal. The coefficient of kinetic friction between the package and the chute's surface is 0.400.Calculate the work done on the package by friction. Calculate...
March 6, 2008

physics
In a rescue, the 64.0 kg police officer is suspended by two cables,the cable on the left made a 35 degree angle, the rope on the right made a 48 degree angle. What is the tension in the left cable? Find the tension in the right cable.
February 27, 2008

physics
A tetherball leans against the smooth, frictionless post to which it is attached.The string is attached to the ball such that a line along the string passes through the center of the ball. The string is 1.20m long and the ball has a radius of 0.120mwith mass 0.380kg. What is ...
February 27, 2008

pre-calculus
solve for z writing the answer in polar form: #1 z=(3,115 degrees)*(4,290 degrees) #2 (8,50 degrees)* z=(6,172 degrees)
February 20, 2008

physics
i have one more How far does the train then travel while being slowed to a stop?
February 20, 2008

physics
The world record for the discus throw is 74.08m , set by Jürgen Schult in 1986.If he had been competing, not on earth, but on Mars, where the acceleration due to gravity is 0.379 what it is on earth, and if he had thrown the discus in exactly the same way as on earth, ...
February 10, 2008

physics
The world record for the discus throw is 74.08m , set by Jürgen Schult in 1986.If he had been competing, not on earth, but on Mars, where the acceleration due to gravity is 0.379 what it is on earth, and if he had thrown the discus in exactly the same way as on earth, ...
February 9, 2008

physics
A balloon carrying a basket is descending at a constant velocity of 20.0 m/s. A person in the basket throws a stone with an initial velocity of 15.0 m/s horizontally perpendicular to the path of the descending balloon, and 4.00s later this person sees the rock strike the ...
February 9, 2008

biochemistry lab
A) If you make up a solution of 50 mL of 0.1 M TRIS in the acid form, what will be the pH? B) If you add 2 mL of 1M NaOH to the solution in part A, what will be the pH? If it is needed, here is some addition information: TRIS pka= 8.3 mw of TRIS-HCL= 157.6 g/mol; mw TRIS (...
February 2, 2008

Math
t= -2 also because -5*-2 is positive 10. then you adda negivate two, and that gives you 12.
January 13, 2008

Math
t= -2
January 13, 2008

law please check my answer
True. she needs parental/gardian concence before the docter can do the surgery
November 14, 2007

Law and Ethics in Med
The defintion: i dont know if this will help you much but..... Insemination, homologous: A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the uterus) into the uterus (the womb) to deposit a sperm sample from the woman's ...
November 11, 2007

Law and Ethics in med
MEDICAL RECORD INFORMATION IS CONFIDENTIAL AND PRIVILEGED INFORMATION, AND IS LEGALLY PROTECTED FROM DISCLOSURE im not really 100% sure. im not majoring in medical stuff and would double check my answer. but i think thats corretct.
November 11, 2007

social studies
ok. About apartheid...I've learned that it was the legal separation of whites and blacks.
October 16, 2007

social studies
I don't have a text. i'm supposed to look it up online. i'm not sure-it would either be a good or bad reaction.
October 16, 2007

social studies
i hope it's ok if i post another question: How did the western nations respond to South Africa's apartheid system?
October 16, 2007

social studies
i'm really sorry to be impatient. is europe one of the nations, maybe?
October 16, 2007

social studies
i'm seeing french and british. No european?
October 16, 2007

social studies
thnx!
October 16, 2007

social studies
By 1914, what two nations controlled most of africa?
October 16, 2007

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