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March 29, 2017

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Posts by SAra

Total # Posts: 4,473

biology
You are preparing 500 mL of Denaturation Buffer containing 1.5 M NaCl and 0.5 M NaOH. Your stock solutions are 5 M NaCl and 6 M NaOH. How would you prepare the Denaturation Buffer? Include all of the solutions needed to make the buffer. For Nacl, C1V1=C2V2 5*V1=500*1.5 V1=150 ...
October 5, 2015

Algebra 2
Evaluate 4-1.5 using a calculator. Round you’re answer to 3 decimal places
October 4, 2015

math
Do 4 1/2 times 3 1/2, because you have to do the opposite operation to get the missing number.
October 1, 2015

Sequences and Series
use the iterative rule to find the eighth term in the sequence an = 25 − 3n. 176 49<------ My answer 8 1
October 1, 2015

English
A sub-genre that is often concerned more with style and theme than with plot is called: literary fiction<---- My answer magical realism short story psychological fiction
September 30, 2015

History
Which of the following describes a Hindu concept? A shadowy afterlife follows death. The soul is reincarnated after death. God has the same faults as humans. There is one all-powerful god.
September 30, 2015

Math
Which statement is false? A: Every integer is a real number. B: the number zero is a rational number. C: every irrational number is a real number. D: every real number is a rational number****
September 29, 2015

Math
f(x) = log2(x – 3) + 1. How do I find the Domain and Range?
September 29, 2015

health
Digestion, absorption, elimination
September 29, 2015

Math Help
Which binomial is a factor of f(x) = x^4 – 3x^3 – 28x^2 + 36x + 144? (x – 4) (x + 3) (x – 2) (x – 6) I think its the 4th one
September 28, 2015

Math
f(x) = x^3 + 5x^2 + 7x + 3 = (x + 1)(x + 1)(x + 3) What is the multiplicity of the root –1? 2 1 4 3
September 28, 2015

physic
The position function x(t) of a particle moving along an x axis is x = 6.00 - 8.00t2, with x in meters and t in seconds. (a) At what time and (b) where does the particle (momentarily) stop? At what (c) negative time and (d) positive time does the particle pass through the ...
September 26, 2015

Georgia state history
It was actually B but thank you anyway :)
September 24, 2015

Georgia state history
Thank you Ms.Sue :)
September 24, 2015

Georgia state history
which of the following actions does not describe land ownership in royal georgia? A: Women were allowed to own property.****** B: The largest land grants were limited to 500 acres. C: The headright system was used to determine the size of the grant. D: Land could be inherited...
September 24, 2015

L.A
The answers are: B A B I literally just took the test and i got a 100!
September 22, 2015

Music
Which phrase describes the parts of a basic music staff? 5 lines and 6 spaces high and low music notes 5 spaces and 4 lines 5 lines and 4 spaces
September 20, 2015

ME
Problem 3: Consider water as the substance. (a) Find the specific internal energy (Btu/lbm) when T = 500F and P = 375 psia (b) Find the pressure (psia) when T = 500F and v = 0.02024 ft3/lbm (c) Find the specific volume (ft3/lbm) when T = 500F and h = ...
September 19, 2015

Help?
Which units measure the amplitude of sound waves? seconds decibels watts hertz I think its Watts
September 16, 2015

Music
What would a researcher who studies the tango dance music of Argentina be called? ethnomusicologist historical musicologist musical theorist systematic musicologist I think its C but im not sure
September 15, 2015

Science
A farmer wants to determine if a new fertilizer gives her a better crop yield than her old fertilizer. She spreads the old fertilizer in field A, which has a brand new irrigation system. She spreads the new fertilizer in field B, which has an irrigation system that will be ...
September 15, 2015

Algebra
Thanks. Also (Explain how to solve 8 to the 2nd power + 9(12/3*2)-7.) Is the answer 74? Can you walk me through this?
September 15, 2015

Algebra
What is the solution to 5-t=23? My answer is 18. What is the value of b if -7+b=-8? My answer is -1. What is the solution to 5q=-75? My answer is either -25 or -15. What is the solution to -6z=72? My answer is -12. What is the solution to -7+h=12? My answer is 19. What is the ...
September 15, 2015

CALCULUS
How do I determine whether the function is even, odd, or neither. How do I describe the symmetry? ex 1) f(t)= t&2 +2t -3
September 11, 2015

CALCULUS-SOMEONE HELP!!
ok I'm actually stuck on ex.7
September 11, 2015

CALCULUS
I figured out 3 already and got x=-5/3 1.) -3, 3, 4
September 11, 2015

CALCULUS
I figured out 1. How do I do ex 3 & 7
September 11, 2015

CALCULUS
20.) How do I find the zeros of the function algebraically? ex1) f(x)= x^3 -4x^2 -9x +36 ex3) f(x)= 3 +(5/x) ex7) f(x) = (2x^2-9)/ (3-x)
September 11, 2015

Chem
18) Chlorine reacts with potassium bromide to produce potassium chloride and bromine. A) write a chemical equation, using words, to represent the above chemical reaction. My answer: chlorine + potassium bromide ==> potassium chloride and bromine ( I'm pretty sure this ...
September 7, 2015

Chem
No this is freshman chemistry so that's why I asked such a question. Thanks for breaking it down. Although, what are the answers to them? kinda confused.
September 6, 2015

Chem
A carless chemistry student pours 200 grams of methanol, a flammable substance into the sink. Another careless chemistry student causes the bad situation to get even worse by dropping a lit match into the sink. The metanol burns completely with 300 grams of oxygen from the air...
September 6, 2015

MATH
if nCr+2*nCr=nCr4+1*nCr-1
September 3, 2015

Algebra
a = first derivative of the velocity = dv/dt = -9.8 m/s² (negative since gravity is slowing the rock) Therefore, -9.8 m/s² = dv/dt, which implies that v(t) = -9.8t m/s + c Since the rock is thrown up with an initial velocity of 12 m/s, v(0) = 12 m/s Therefore, 12 m/s...
August 29, 2015

How many milliliters of a stock solution of 6.00 M
How many milliliters of a stock solution of 6.00 M HNO3 would you have to use to prepare 0.190 L of 0.490 M HNO3? I used the equation M1V1=M2V2 6M*V1 = 0.190L*0.490 M lead me to this V1=0.190L*0.490M/6.00 M =0.0931 L per M/6.00M =0.0155166L 0.0155166L/1000mL= 0.155166L
August 28, 2015

chemistry
A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 3.6 cm . Its mass is 1.5 kg . Calculate the density of the metal.
August 26, 2015

college math
1. If a person jogs at a rate of mi/hr for hr in a week, how many calories will the person burn?
August 25, 2015

Science
4. Which geographic feature marks the last natural obstacle for Georgia's rivers on their way to the Atlantic Ocean? A) the Floridian Aquifer B) the Vally and Ridge region C) the fall line D) the Marshes of Glynn I got A but I'm not sure if it's right
August 19, 2015

AP world
I can do research for a thesis on whatever AP World topic I want, but I can't find a favorite. Do you guys have any interesting topics you think would be nice to research?
August 18, 2015

Reading
5b 6b
August 16, 2015

Chemistry
If the speed of light is 186,000 miles / sec, how far does light travel in 8.0 minutes?
August 5, 2015

college chemistry
The air in a typical La Crosse basement contains 53 atoms of 222Rn per liter. A. If the basement has 950 ft^2 of floor space and is 8.0 feet tall, how many 222Rn atoms are there in the whole basement? B. Assuming a total pressure of 1.00 atm, what is the partial pressure of ...
August 4, 2015

college chemistry
A 9.60 mL sample of 12.0 M HCl is used to prepare 125 mL of diluted acid. A sample of 32.4 mL of Ba(OH)2 base is exactly neutralized by 24.0 mL of dilute acid. What is the concentration of the Ba(OH)2 base? Help. I don;t know where to start.
July 15, 2015

Physics
In procedure 1: suppose the hanging mass is mH = 203 g and the mass of the cart is mC = 1286 g. a) Assume there is no friction anywhere in the system, and the system starts at rest. i. Find the magnitude of the acceleration of the masses. a = m/s2 ii. Find the magnitude of the...
July 10, 2015

English
What do Transcendentalism and Dark Romanticism have in common? How are they different? I just need help because i'm trying to write an essay.
July 9, 2015

Physics
Suppose the graph of displacement vs. time produced by the ball's motion is: y = 1.56t^2 + 1.04t + 8.11 What is the magnitude of the acceleration of this object?
July 6, 2015

Math
Solve the system of equations using linear combination. a+c=9 8a+4.5c=58
July 1, 2015

Chemistry
Determine what this molecule should really be named. 2,2-ethylpent-3-ene I get the answer 2,2-diethylpent-3-ene. Why would the answer be: 4-ethyl-4-methylhex-2-ene
July 1, 2015

Algebra 1
Roman mixes 12 liters of 8% acid solution with a 20% acid solution, which results in a 16% acid solution. Find the number of liters of 20% acid solution in the new mixture. show your work
July 1, 2015

Chemistry
How would I find the pH of these? I found it for d and e, but I don't know how to do the rest a) 0.25M carbonic acid b) 0.075M CN- c) 0.15M F- d) 0.015M HCl (I got 1.8) e) 0.015 M NaOH (I got 12) f) 0.050 M acetic acid
June 25, 2015

English
Why was Memorial Day originally called Decoration Day? It was a better name for the holiday than Memorial Day. People used to make decorations on that day, but they no longer do. People decorated soldiers' graves with flowers on that day. Decoration is a more old-fashioned...
June 24, 2015

English
To what people does John Winthrop compare the Puritans in "A Model of Christian Charity"? the ancient Egyptians the ancient Romans the ancient Israelites the ancient Babylonians
June 24, 2015

Chemistry
I did and I got 0.015 as my answer: 2.2x10^-4 = 4z^3 3√2.2x10^-4 = 4z^3 0.060368107 = 4z 0.015 = z
June 24, 2015

Chemistry
Determine the molar solubility of Y for XY2 if Ksp is 2.2x10^-4 The answer is 0.038, but I'm not sure how
June 24, 2015

Chemistry
Thanks a lot!
June 23, 2015

Chemistry
For this question, I know how to answer the first three questions, but not the rest. 12ml 0.025 M of benzoic acid (Ka=6.3x10-5)is titrated with 0.050 M NaOH. How many moles of benzoic acid are there? I got 0.0003 What volume of NaOH is required?(L) I got 0.006 What is the ...
June 23, 2015

Chemistry
ok thanks!
June 23, 2015

Chemistry
I have this question as a review question: The reaction N2(g)+3H2(g)<-->2NH3(g) begins with 1.15 M N2 and 1.36 M H2. At equilibrium, the concentration of NH3 is 0.78 M. Determine the extent of reaction. The answer is supposed to be 86 but I don't know how
June 23, 2015

History
Is it b?
June 22, 2015

History
Either A or D
June 22, 2015

History
Which is an argument against free trade? It increases the prices for many products. It violates basic economic principles. It encourages outsourcing. It leads to international conflict.
June 22, 2015

History
Which is not an argument for free trade? It results in less expensive goods for many people. It allows countries to focus on what they do best. It eliminates unemployment in developed nations. It encourages international cooperation. I think its either B or C
June 22, 2015

Biology
Why do introduced species often disrupt an ecosystem?
June 22, 2015

Biology
The water cycle is best described by which of the following statements? Water in the atmosphere must be converted to another chemical before animals can use it. The water on earth changes forms as it moves from one reservoir to another.>----- My answer As water moves ...
June 21, 2015

Biology
Which of the following biomes covers the largest area of earth? tundra marine-----> My answer grassland forest
June 21, 2015

History
What colonial policies or practices played a part in peaceful or violent transitions to self-rule Following World War 2?
June 21, 2015

World War 2
how did the response of the League of Nations and of Britain, France, and other European nations to Axis aggression contributed to the start of the war?
June 21, 2015

World War 2
What were the causes of World War 2?
June 21, 2015

English
In “The Birthmark,” what does the birthmark represent for the two main characters, Aylmer and Georgiana? At the end of the story, what does the birthmark come to symbolize? I read the story I just don't understand the question
June 17, 2015

Chemistry
I have know clue how to answer this, but I tried something.(predicting products of electrolysis in aqueous solution)/ Predict the products of the electrolysis of a solution of aqueous MnSO4. I first wrote this: Mn^2+ SO4^2- Then for Mn^2+, it can be reduced to Mg(s) -2.36V and...
June 16, 2015

Chemistry
Thanks, but I don't know how to solve it. This was a question from my review
June 16, 2015

Chemistry
Consider the NiCd (nickle cadmium) cell found in rechargeable batteries. 1.)Which element is the cathode when the cell is recharging (being electrolytic)? 2.)How many cells must be present to produce 1.2 V 3.)Which element is the anode when the cell is discharging (being ...
June 16, 2015

Chemistry
Predict the products of the electrolysis of a solution of aqueous MnSO4 given the following choices: a. H2SO3 (aq) b. O2 (g) c. H2 (g) d. OH- (aq) e. Mn (s) f. e- g. H+ (aq) how is the answer O2 and H2SO3?
June 16, 2015

math
never mind I got it
June 16, 2015

math
solve each of the following initial value problems and plot the solutions for serveral variables of ynaught a)dy/dt = -y+5 I got to the point where I have: y= ce^-t + 5 they give y(0)=y(naught) so I tried plugging in 0,0 and got c to be -5. but the answer they give in the back...
June 16, 2015

math
last one is $300
June 15, 2015

math
From the following data calculate final balance and forward it in the pay stubs. Beginning balance $2000 Jan 2 Deposit $500 Jan 10 Check written to Alex company $600 Jan 16 Check written to Angels Company
June 15, 2015

Chemistry
I figured it out! thanks
June 15, 2015

Chemistry
Balance TeO3^3- + N2O4 --> Te +NO3^- using oxidation numbers
June 15, 2015

History
Which was not a reason for U.S. intervention in Latin America during the Cold War era? Allende's rise in Chile Sandinista control of Nicaragua Argentina's invasion of the Falkland Islands civil war in El Salvador
June 10, 2015

ap english
thanks reed :)
June 9, 2015

ap english
i checked that already Ms. Sue, but google isn't give a good answer. Is there any character you might have in your knowledge? I'll do the research myself. I have to write an essay on this. thank you
June 9, 2015

ap english
does anyone know of any reference of gluttony in literature? thanks!
June 9, 2015

Biology
Describe how the nervous system helps different parts of your body communicate with one another the moment you begin to pet a dog.
June 9, 2015

English
Which pronoun correctly completes the sentence? Please send __________ the directions when you can. A. she and I B. she and me C. her and me D. her and I I know its either C or D
June 9, 2015

Life skills
A good leader is never a follower. True False
June 8, 2015

Life skills
Achieving happiness in your future career is an example of a short-term goal. True----> My answer False
June 8, 2015

Life skills
Thank you
June 8, 2015

Life skills
is it it the third
June 8, 2015

Life skills
Tom uses pesticides to manage his garden. He is: saving time and money conserving water ----> My answer exposing the environment to harmful toxins causing unnecessary air pollution
June 8, 2015

Life skills
onathan wants to go to The Ohio State University someday. His dad is trying to decide between two job offers, one of which is from The Ohio State University. Jonathan has been advising him to take the OSU job because he would then get free tuition. Jonathan hasn't really ...
June 7, 2015

Math
What is the value of the function when x = 3? x −2 −1 1 3 4 y 4 3 6 5 8
June 2, 2015

Health check?
Match the term with its definition. (Points : 12) Potential Matches: 1 : to cook uncovered by direct heat 2 : to cook in a small amount of liquid in a tightly covered pan over low heat 3 : to cook in water or liquid in which rolling bubbles have formed 4 : to cook food in a ...
May 28, 2015

Writing
what are the six questions for examining a source’s reliability?
May 27, 2015

Social studies
What are Eleanor of Aquitaine's ideas and what did she want to be when she grew up
May 26, 2015

Biology
How does comparing the embryos of different organisms support the theory of evolution? The embryos of all organisms are identical. The stages of development of the embryos of different organisms are extremely similar, thereby suggesting common ancestors. The embryos of any ...
May 22, 2015

Biology
the second one?
May 22, 2015

Biology
Why was Charles Darwin able to offer a large amount of evidence for his theory of evolution by natural selection? He compiled the fossil record. He collected data for 5 years while traveling around the world. He conducted in-depth experiments with chemicals in England. He ...
May 22, 2015

Biology
is it the first one?
May 22, 2015

Biology
Based partially on his comparative studies of the fossils of woolly mammoths and the bones of modern-day elephants, Georges Cuvier proposed several new ideas about the history of life on earth. Which general statement can be made about this example? Through specific studies, ...
May 22, 2015

physics
a ball of mass m is thrown vertically upwards with Vo= 10j m/s. Study nature of motion
May 21, 2015

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