Saturday
August 27, 2016

Posts by anna

Total # Posts: 2,543

biology
THANK YOU!
November 9, 2015

SOMEONE HELP PLSS
HELPP
November 9, 2015

ms sue help
Help
November 9, 2015

biology
Which of the following processes releases energy to be used by a cell? a phosphate group is added to ATP to form ADP. a phosphate group is removed from ADP to form ATP. a phosphate group is added to ADP to form ATP. a phosphate group is removed from ATP to form ADP. not sure ...
November 9, 2015

AP Physics
A large box has a mass of 500kg and the coefficient of static friction for the box and the floor is 0.45, and the coefficient of kinetic friction is 0.30. a. What is the minimum horizontal force needed to get the box moving? b. If you continue to push with that force, what ...
November 8, 2015

AP Physics
A mystery surprise box is sliding down a ramp at a constant speed. The box has a mass of 55.0kg and the ramp makes a 40.0œ angle with the horizontal. What is the coefficient of kinetic friction between the box and the ramp? Please help asap. Thank you.
November 8, 2015

Art
I personally think it's a because art has many different subjects as I've learned in my art class as I've gone through each lesson with art related to math or social studies so I think it is most likely A ;)
November 5, 2015

Art- plzz help
B A A C D B C C There you go 100% guaranteed :)
November 3, 2015

Art- plzz help
I am too but I will give you the answers after i take it just for you ok? :) <3
November 3, 2015

maths
School for jan started at 9:00am finished at 3:00pm.If Jan knew she was 2/3 of the ay through the school, what time was it then?
November 3, 2015

pre algebra
Good job. I thought it was 17.
November 2, 2015

math
I think it is 300
October 28, 2015

global
where do lines of longitude intersect on the globe?
October 27, 2015

science/physics
just trying to find out what temperature the water in my celcius heating system needs to be to achieve an air tempature of 68 degrees ferinheidt
October 26, 2015

Chemistry
That's the problem. I was able to get the second part but cannot figure out the top. I have (P + 2.6688)(4.5 - 0.13356) = 144.453 4.366 P - 11.653 = 144.453 P = 35.755 atm but that isn't right.
October 23, 2015

Chemistry
Use the van der Waals equation of state to calculate the pressure of 3.60 mol of NH3 at 489 K in a 4.50-L vessel. Van der Waals constants can be found here. P= Use the ideal gas equation to calculate the pressure under the same conditions. P= I have tried absolutely everything...
October 23, 2015

Science
Thanks so much @Anon I got a 100%.. I got these answers b4 I just thought I was wrrong haha
October 21, 2015

MATH CHECK PLEASE
Did you even attempt to do the first one? The first one is eight. First, you multiply $0.65 by 5. Then you multiply $2.25 by 5. You subtract the multiple of $2.25, which is 11.25, by the multiple of $3.25, and you'll get eight. Please try next time instead of guessing.
October 19, 2015

stoichiometry
An ore contains Fe3O4 and no other iron.The iron in a 39.5-gram sample of the ore is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 26.7 g. What was the mass of Fe3O4 in the sample of ore? Answer in units of g.
October 15, 2015

STATISTICS
actually for part e I think it may be 0.8
October 9, 2015

STATISTICS
A salesperson contacts eight potential customers per day. From past experience, we know that the probability of a potential customer making a purchase is .05. b.) What is the probability the salesperson will make exactly two sales in a day? this is what I think the answer is 0...
October 9, 2015

Social Studies
100% Thanks. I thought 3 was D, too.
October 7, 2015

Math
Draw two number lines that show 0.20 and 1/5 are equivalent
October 6, 2015

maths
Anna picked 6 cards from these 10 digit cards to form a 6-digit number: 0 1 2 3 4 5 6 7 8 9, then asked Ola to guess what number she made. 1.Only the first digit is an odd number.2.The digit in the ten thousands place is twice the digit in the ones place.3.The number is 800 ...
October 6, 2015

Pre-Cal
A drone 125 ft high sights a landing pad with an angle of depression of 15 degrees. what is the horizontal distance between the drone and the landing pad? I tried all the methods set it up multiple ways, and I'm at a loss. My teacher said the answer is 466.5ft.. but how? ...
October 5, 2015

science
B A B A D assured 100% :) :3
September 30, 2015

Physics
A skier speeds down a smooth ski slope which is at an angle of θ = 21° with the horizontal. The mass of the skier is 75 kg. Take the downhill direction to be positive and uphill to be negative. What is the net force acting on the skier? Ok, so I have set up these ...
September 28, 2015

2nd Law Physics
You fashion a sling shot with a rather long and wide rubber band and practice hurling pebbles. You pull back on the center of the band with a force of 2.31 N. The angle between the two halves is 107°. What is the tension in the band? I get the gist of setting up Newton'...
September 28, 2015

Science
The answer is spores. Seeds is the main differ you idiot.
September 28, 2015

Math
Gisela has 135 cds 11 are pop music she has 3 times as many rocks cds as she had classical how many rocks cds does she have?
September 27, 2015

chemistry (Physchem)
Calculate the standard heat of reaction at 250C (298K) and 1 atm pressure of 3FeO(s) + 2Al(s) → Al2O3(s) + 3Fe(s) in terms of per mole of Al2O3 formed, per mole of Fe formed, per mole of FeO reacted, per mole of Al reacted and per g of Fe formed. ΔH298K,FeO(s) = -63...
September 27, 2015

Physics
A mover has to move a heavy sofa of mass 146 kg to the second floor of the house. He uses a rope to pull the sofa up a ramp from the first to the second floor. As he pulls the sofa he makes sure that the rope is parallel to the surface of the ramp which is at 30.0° to the ...
September 27, 2015

social studies
No mam I do understand a little bit of it but i do not get all of it so it confuses me a lot
September 24, 2015

math
What is the commission on a sale total of $300,000 if you keep 8%? help!
September 23, 2015

Social Studies
1. D 2. B 3. A 4. D 100% Guaranteed ;)
September 22, 2015

Math
The fence in David's backyard is 14 feet 5 inches long how many total inches is that
September 20, 2015

Chemistry college
You are given a recipe for a buffer that contains 5% (w/v) MgSO4.7H2O. However, you only have MgSO4 anhydrous available to you. How much MgSO4 anhydrous do you need to make 0.5L of the buffer with the same molar concentration as in the recipe? Show your calculations
September 16, 2015

physics
A 10.0 microCoulomb point charge is fixed in place at the origin. A 2.00-microCoulomb point charge is released from rest at x = 0.500 m. Because of the repulsive force between the two point charges, the 2.00-microCoulomb charge is accelerated in the +x direction. What is the ...
September 15, 2015

chemistry
Hi! Can you please check if my answers are correct? And, can you please tell me any other details you think are important to add. Also, the last two questions i have no clue how to answer. can you help? thanks so much! 3.A burning candle produces a luminous flame. What is the ...
September 11, 2015

chem
If you have a properly adjusted hot flame, which is pale blue with three distinct cones, what is observed if the gas control valve is slightly closed? Explain.
September 11, 2015

Math
by 3 pm the temperature had increased by another 5 degrees. was the temperature at 3pm positive or negative
September 9, 2015

Chemistry
I'm having trouble turning mM to mOsmoles. The equation goes like this: red blood cell are placed into a beaker filled with .5L of a 150mM NACL solution. NACL is non-penetrating solute and will not cross the red blood cell membrane. I have 150mM/0.5L * 2mOsM/100mM But ...
September 8, 2015

Language Arts
1. B 2. A 3. C I just took the test, these answers are correct 100%
August 25, 2015

Math
Hello every one its Anna:) I just wanted to say that Jesus loves you all no matter if you are big or small!
August 19, 2015

Physics
A constant force of friction of 50 N is acting on a body of mass 200kg moving initially with a speed of 15m/s. How long does the body take to stop? What distance will it cover before coming to rest?
July 30, 2015

Geometry
A square football field 3 mi. wide.
July 29, 2015

Solving Geometry Formulas
If the perimeter of a rectangle is 48 ft. and the width is 9 ft., what is the length of the rectangle?
July 29, 2015

Solving Geometry Formulas
The perimeter of a rectangle is 56 meters. If the width of the rectangle is 7 meters, find the length.
July 28, 2015

Intro to Algebra- Geometry
2 cans will be needed.
July 28, 2015

Intro to Algebra- Geometry
A sail on a sailboat has a base of 10 ft. and a height of 18 ft. and needs to be sealed with water repellent. One can of water repellent will cover 50 sq. ft., how many cans will be needed to cover the sail?
July 28, 2015

Intro to Algebra
Sally is making a tablecloth and wants to put lace around the edges. How much lace will she need to purchase if the radius is 1.5 ft.
July 28, 2015

Probability and statistics
The hydrocarbon emissions at idling speed in parts of million (ppm) for automobiles of 1980 and 1990 model years are given for 20 randomly selected cars. 1980 models: 141 359 247 940 882 494 306 210 105 880 200 223 188 940 241 190 300 435 241 380. 1990 models: 140 160 20 20 ...
July 20, 2015

english teachers?
are there any english teachers on here at this time?
July 17, 2015

Biology
I have any idea for these.
July 15, 2015

Biology
1) Microscopic hairs of the windpipe are always __________. 2) The cilia of the windpipe move harmful substances __________. 3) You build a heavy gust of air when you __________ or __________. 4) Coughing and sneezing help push harmful substances from the __________.
July 15, 2015

Biology
1 hair 2 mucus 3 mucus
July 15, 2015

English
I am writing a 300 word short story(or a "'personal' narrative essay") for the prompt: lessons we learn affect one's future. So far I have a general idea: I want the lesson to be loyalty and truth and I want the effect to be that the character would learn...
June 21, 2015

Physics
So we did this lab about how we are to measure the half life of the beta decay of indium 116 (the indium 116 is captured by indium 115 and undergoes beta decay to become tin 116. Since the Indium 116 I reused I understand that every time we use it, the indium 116 becomes a ...
June 17, 2015

Physics
The Golden Gate Bridge in San Francisco has a main span of length 1.28 km, one of the longest in the world. Imagine that a steel wire with this length and a cross-sectional area of 4.00 x 10-6 m^2 is laid on the bridge deck with its ends attached to the towers of the bridge, ...
June 15, 2015

Physics
What is the significance in the observation of discrete spectral lines in the emission spectrum of hydrogen??
June 15, 2015

Physics
A converging lens has a virtual object located a finite distance away. Which of the following must be true? (Select all that apply.) a) f > q b) The image is virtual. c) p < 0 d) The image is real. e) p > 0 Hi, can someone explain which is correct or incorrect? Thank ...
June 10, 2015

English
I am just about the processes of writing a short story and I am looking for a word/phrase that can properly describe a departure, without a destination(I am not going to specify anything to reflect the tone and theme of my story) that is just taken based on whim and for self ...
June 9, 2015

Physics
A pair of speakers separated by distance d = 0.900 m are driven by the same oscillator at a frequency of 670 Hz. An observer originally positioned at one of the speakers begins to walk along a line perpendicular to the line joining the speakers as in the figure below. (a) How ...
June 8, 2015

Physics
A pair of speakers separated by distance d = 0.900 m are driven by the same oscillator at a frequency of 670 Hz. An observer originally positioned at one of the speakers begins to walk along a line perpendicular to the line joining the speakers as in the figure below. (a) How ...
June 8, 2015

Physics
I did a lab about Standing waves on a string and it asked me the following qeuestions: Discuss any errors arising from the method used to establish the standing wave pattern. - I think air resistance, linear density of string is non uniform, tension of the string is not ...
June 5, 2015

Physics
Suppose you have a string that is being made to vibrate at a specific frequency, f. The speed of waves on the string is v. The length of the string that is vibrating, L, is adjustable. When the length of the string has been adjusted so that the fundamental standing wave ...
June 4, 2015

Physics
thank you!
June 4, 2015

Physics
A stretched string is attached to an oscillator. On which of the following quantities does the wavelength of the waves on the string depend? Select all that apply. The choices are: A) The frequency of the oscillator. B) The tension applied to the string. C) The amplitude of ...
June 4, 2015

Math
Wait! Nevermind, figured it out! Use linear equation right?
June 3, 2015

Math
Which of the following equations gives the relationship between S and T in the table below? S 1 2 3 4 5 6 T 1 4 7 10 13 16 How do you find equations again?
June 3, 2015

Math
1. Cate went on a trip of 120 miles at x miles per hour. Returned over same route at 5miles/hour faster than previous rate.If time for return trip was one-third of an hour less than time for the outgoing trip,how do you find x? (Set up the chart right, and used the time column...
June 3, 2015

Math
PLease explain how to do this Add or Subtract (m^2-m+3)+(m-1)
June 2, 2015

Science
not sure but I think it is C
May 27, 2015

Math
I brought a book and paid $1.80 in sales tax. If the tax was 8%, what was the cost of the book. How do I solve this problem?
May 25, 2015

Language Arts
Each day, Wyatt created both humorous and touching poetry in his attic room. his attic room both humorous and touching poetry Each day in his attic room
May 23, 2015

ss
That link didn't help at all. If you could, every once in awhile, JUST GIVE A BALLPARK FIGURE, and stop sending stupid links.
May 13, 2015

LA the giver chapters 1-2
just to make it easier, all of the answers are: 1. b, d 2. c 3. b 4. d
May 13, 2015

english
Please place all of the chairs in the middle of the room.
May 11, 2015

math
Me is 100% correct. Thanks a bunch.
May 6, 2015

Spanish
Thank you so much Sra. You are always so kind to help.
May 2, 2015

Spanish
Sra. does this essay look ok? It is comparing the Hispanic views on death and the US view. Cultura hispana celebra la muerte de muchas maneras, mientras que la cultura americana creo que es demasiado triste para la vida diaria. La vida para los hispanos es difícil. La ...
May 2, 2015

math
yEAH, Student stop being a HATER
April 28, 2015

Computer Architecture!!
How can we find the value in decimal stored in the AC register, after executing the MARIE program
April 24, 2015

Math
Amy is 100% correct for Connections Academy students. =)
April 24, 2015

Chemistry
for anyone else needing this info it is b
April 20, 2015

Chemistry
so is it a b or c
April 20, 2015

Chemistry
then you must times it by two so it would be .0144
April 20, 2015

Chemistry
but that is wrong when entered into assignment, what else could it be
April 20, 2015

SS
Just because someone needs help with a question doesn't mean that they're cheating. If you have nothing nice to say, dont say shizznit at all!
April 20, 2015

college algebra
a chemist needs to prepare 28 ounces of a 8% hydrochloric acid solution. find the amount of 14% solution and the amount of 7% solution he should mix to get this solution.
April 20, 2015

math word problem
You are in a car. The car begins your journey by traveling 3 miles south in a straight path. The car then travels 9 miles east in a straight path and then turns and travels another 9 miles south in a straight path to end the journey. What is the straight-line distance between ...
April 16, 2015

SOUTH CAROLINA STATE HISTORY
9. Which event did NOT change the culture of the United States during the early 1920s? (1 point) a. bank failures that closed factories and decreased job opportunities b. installment plans used to purchase expensive consumer goods c. boll weevil infestations which changed ...
April 15, 2015

Economic
Suppose that Betsy’s utility function is given by the equation U=Y0.3 where Y is measured in thousands of dollars. Betsy’s current job pays her $20,000 per year and she can earn this amount next year with certainty. Betsy is offered a different job but in this new ...
April 15, 2015

Pre Algebra Probability
adolf hitler and you know he is gay, how? plus, whats wrong with that? compare being gay with murdering tons of innocent Jews? dont try taking a straw out of someone elses eye when you have a rafter in your own
April 13, 2015

Physics
You have 250 g of water in an aluminium calorimeter with a mass of 125 g. How long will it take to increase the temperature of the water and calorimeter from 20C to 37C if the system is heated by a resistive heating element with 8 V across the resistor and 0.75 A flowing ...
April 12, 2015

English
What are each of these are like: 1. Control 2. Conformity 3. Equality 4. Individualism
April 12, 2015

Trigonometry (identities) (last help needed)
I apologize; it is simplifying. The homework is for my identities unit, though. And number 1 does not have a typo. Sorry!
April 9, 2015

Trigonometry (identities) (last help needed)
1. (2cosx-2secx)(3cosx^2+3secx^2+β) 2. (16tanxsecx-4secx)/(8tanxsecx+4secx) 3.sinxcosx^3+cosx^4 (hint: GCF) 4. (cosβ+sinβ)^2
April 9, 2015

Trigonometry (identities)
I tried these but for 4 I seemed to get a reasonable answer: cos^2(β)-cot^2(β) How does that look? Please correct me if I'm wrong - it felt too simple.
April 9, 2015

Trigonometry (identities)
1. (-8cosxsinx+4cos2x)^2 +(4cosx^2+8sinxcosx)^2 2. cos(α-β)cosβ-sin(α-β)sinβ 3. 1+(sinx-cosx)(sinx+cosx) 4. (cosβ-cotβ)(cosβ+cotβ)
April 9, 2015

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