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Posts by Annie

Total # Posts: 830

Physics
An experimental model rocket has a mass of 0.054kg. The fuel that was used in one test had 215J of chemical potential energy. When the rocket reached an altitude of 119m, it was travelling at 48m/s and still rising. With what efficiency did the rocket convert chemical ...

Math algebra 2
Identify the vertex the axis of symmetry,the maximum, or minimum value and the range of each parabola Y=x^2-4x+1

Math
A man walks 3 miles due east, then 4 miles due north, then five miles due east. How far is he from his starting point?

math
Casey got 94 got of the 100 questions answered correctly how many percent of the questions did she answer correctly

algebra
Hi! Have a good day.

present participle or past participle
1. the baking bread looked delicious. 2. devoted soccer fans are looking forward to the season. 3. frozen blue berries are his favourite desert. 4. walking slowly the dog stretched his legs. 5. examined by a doctor, his wound will heal soon

present and past perticiple
The lion basking in the sun looked sleepy

English
I need a real life example of something that illustrates these qualities from "How to Read Literature Like a Professor?" by Thomas C. Foster I am doing a chapter from the book called Nice to Eat You: Acts of Vampires Basically this is what I got from the chapter : 1....

English
I need help for "How to Read Literature Like a Professor?" by Thomas C. Foster I am doing a chapter from the book called Nice to Eat You: Acts of Vampires Basically this is what I got from the chapter : 1.Literal Vampirism: Nasty old man, attractive but evil, ...

Chemistry
Suppose density of 100.0 mL of some liquid was found to be 0.789 g/mL. What would be the specific gravity of 20.0 mL of this liquid?

English
I need help making a synthesis analysis of Jonathan Swifts "A Modest Proposal". I don't know what to say or write about. I'm really bad at making synthesis. Please help me

Physics
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0854 s, during which time it experiences an acceleration of 217 m/s2. The ball is launched at an angle of 58.3° above the ground. Determine the (a) horizontal ...

PreCalc
what angle in rqadians correspond to 3 rotations around the unit cvircle

Chem
Why doesn't tobbaco smoke in bloodstream kill you? (Molecular explanation)

computer
2.C 14.B 17.D

computer
2010 to 2013

computer
1. Default tab stops are set in Word every _______ inch. A. 1 B. 1/2 C. 1/4 D. 3/4 2. Once you've saved a block of text or graphics for easy insertion in other documents, you'll see it in the _______ gallery. A. Photo Space B. ClipArt C. Multimedia Online D. Quick ...

Chemistry
Consider the reaction: 2Mg + O2 ------> 2MgO The reaction is at equilibrium, the concentration of MgO is found to be 0.5. What is the concentration of Mg and O2? ------------------------------------------------------- Keq is not given... using the ICE table, I ended up with...

Chemistry
Consider the reaction: 2Mg + O2 ------> 2MgO The reaction is at equilibrium, the concentration of MgO is found to be 0.5. What is the concentration of Mg and O2? ------------------------------------------------------- Keq is not given... using the ICE table, I ended up with...

Art History
What are the main differences between Cycladic and typical Mycenaean art?

Math
Class of 20 students, 13 play soccer, 8 play tennis and 2 play neither. Find how many students a) Play soccer or tennis b) Play both soccer and tennis c) Play only soccer

Chemistry
What is the concentration of acid or base remaining after reaction if 21 ml of 0.54 M sulfuric acid is mixed with 39 milliliters of 0.12 M sodium hydroxide?

chemistry
which one is at room temperature then ?

chemistry
LiF, BeF2, PCl3, CCl4, F2 1. which is likely to conduct electricity when aqueous: 2. which is most likely to be a gas in room temp. 3. which is likely to be very soluble in water 4. which is a polar molecule? may have more than one answer

Calculus
Nevermind, solved it!

Calculus
1.) Consider the graphs x+5y=17 and x+7=y^2 where a=7 b=2 c=57 f(x) = ? g(x) = ? I have solved for a,b, and c but I can't figure out f(x) and g(x) For f(x) I thought it was (17-x)/5 but it's not the correct answer. For g(x) I thought it was the sqrt(x+7) but it's ...

Sociology
Outline the main aspects of each of the structural functionalist (SF), conflict(C), symbolic interactionist (SI) and feminist (F) approach as explanations of the social world. So far I have for SF I have that it looks at the society as an organism that has certain things that ...

Genetics
the st+ would be wild type?

Genetics
What are the parent genotype of virgin brown eyed female and scarlet eye male? They are both recessive traits and the genes are on different autosomes. Would the parent female genotype be... bw/bw,st+/st+ ? and the male genotype be... bw+/bw+,st/st ?

Biology - Genetics
Would the parent female genotype be... bw/bw,st+/st+ ? and the male genotype be... bw+/bw+,st/st ?

Biology - Genetics
What is the expected genotypes and phenotypes of F1 flies in the cross between virgin brown eyed female with scarlet males (genes for brown and scarlet eyes are on different autosomes)? I know that brown eyes and scarlet eyes are both recessive but I'm not sure what he ...

English
Which use of semicolons would be correct? #1 In Asia as well, Chinese noble women led armies, often with great decisiveness and skill; paid tribute to the Emperor; and controlled agriculture within their areas of command. #2 In Asia as well, Chinese noblewomen led armies, ...

physics
The magnetic field of the Earth is 0.60 x 10-4 T in a certain location. a) What will be in Newtons the force on a completely ionized carbon atom (Z = 6, A = 12) traveling with the solar wind with a velocity of 10.50 x 103 m/s perpendicular to the magnetic field? b) How fast ...

english
okay.. this is the thesis statement I have come up with. I this better? The differences between farm life and city life are striking and deserve thorough examination.

english
I am looking at the above site now. I said family values because I talk about family relationships, family size, and family time and the differences between families in the city and on the farm.

english
I am writing an essay on living on a farm vs living in the city my thesis statement needs help any suggestions? The factors that a person should consider before choosing between the two are environments, lifestyle, and family values.

english
Bernard wanted to break this habit after all, why couldn't a chair be used as a chair? I know this example is a run-on sentence but I want to know if I can fix it by putting a period after habit and capitalizing after?

physics
Two 1.30-V batteries-with their positive terminals in the same direction-are inserted in series into the barrel of a flashlight. One battery has an internal resistance of 0.182Ω, the other an internal resistance of 0.139Ω. When the switch is closed, a current of ...

Math
BECUSE IS NOMALY EASY FOR ME WHEN I ADD

english
How can this thesis statement be written better? Rap music is the best ever.

early childhood education
I would like some examples of these theories being used in the classroom.

early childhood education
How have the theories of Erikson, Maslow, Piaget, and Vygotsky been applied to childhood classrooms?

Poetry
words are "clear" (line 7) and they can cause "domesticate a fear" (line 8)

Poetry
Can anyone tell me how rhyme scheme helps build the theme of "A Barred Owl"?

math
what are the coordinates of the shadow cast on the xy plane by a small object placed at the point (10,7,20) assuming that the sun's rays are parallel to the vector (5,3,-2)

Biology
What is the result of a cross of a heterozygous curly winged fly to a straight-winged fly? (Include both genotype and phenotype with fractions of each) Do I need to make a monohybrid cross or a dihybrid cross?

MATH HELP
thank you

MATH HELP
jade ran 6 times around her block to complete a total of 1 mile. how many times will she need to run to complete 5/6 of a mile?

world history
A list of Nelson Mandela's legacy(ies)

English
I need help with 2 questions for this poem: Hear, nature, hear; dear goddess, hear! Suspend thy purpose, if thou didst intend To make this creature fruitful! Into her womb convey sterility! Dry up in her the organs of increase; [5] And from her derogate body never spring A ...

Biology
What is the name of the protein that breaks the hydrogen bonds in the double helix causing the DNA strands to separate during DNA replication? I have a test tomorrow so please help!

Biology
If P1 - virgin grey body, long wings female cross with P2 - ebony body vestigial wings male.... how do I figure out what the genotype is? I think it is like this... EVg for female and evg for male... but I honestly have no idea...

Math
x =11 dresses

psychology
states rights

social studies
a description on Guyana national flag

Physics
Elephants communicate via infrasound, at frequencies as low as 11 Hz that can travel up to 9 km. The intensity of these sounds can reach 106 dB, measured a distance of 4 m from the source. a) Determine the intensity level in W/m2 of the infrasound at 4 m from the source. b) ...

physics
An airplane traveling at v = 152 m/s emits a sound of frequency 1850 Hz. At what frequency does a stationary listener hear the sound as the plane approaches? Use 340 m/s for the speed of the sound and answer in Hz.

English
Which of the following is the repetition of consonants as in hip and hop? A. assonance B. consonance C. alliteration D. onomatopoeia I am putting B, Do you agree with my answer?

English
In “Summer,” the line “Bugs buzzin from cousin to cousin” illustrates which sound device? A. alliteration B. assonance C. onomatopoeia D. all of the above I believe it is D, Do you agree?

English
In the following sentence, which word is a preposition? I am going to the store. A. I B. am C. to D. the I believe the answer is C, do you agree?

Math
chris cuts half a rectangular lawn, 40m by 30m, by mowing strips of equal width around the perimeter. Jerri cuts the small rectangle left. How wide a stripe does Chris cut so they share the work equally

Algebra
Solve the inequality 1. m - 7 < 6 2. x + 4.5 more than or equal to 5.5 3.p + 12 > 9 4. Translate the following statement into an inequality: Five less than a number is at least nine. x - 5 more than or equal to 9 Show me how you did the work please?

chemistry (AP)
The heat of neutralization of HCl (aq) by NaOH is -55.9Kj/mol H2) produced. If 50ml of 1.6M NaOH at 25.15 celsius is added to 25ml of 1.79M HCl at 26.34 celsius in a plastic foam cup calorimeter, what will be solution temperature be immediately after the neutralization ...

Chemistry
How many electrons can be described by the quantum numbers n = 2, l = 1, ml = -1? a.) 2 b.) 14 c.) 6 d.) 10 e.) 0 I thought it was 6 but here's my reasoning n = 2 energy levels l = 1 (p orbital) ml = -1 (I don't think this is relevant to the question?)

Science Help!
Since the arrows are pointing to the tree, the tree is taking in the Carbon for photosynthesis, so I think yes.

Calculus
Can I ask why you are using 0.692 in the exponent?

Calculus
Suppose an E. coli culture is growing exponentially at 37 ◦C. After 20 minutes at that temperature, there are 1.28×10^7 E. coli cells. After 60 minutes, there are 2.4×10^7 cells. How long does it take for the culture to have double the amount of cells that it...

math problem solving
leslie has 17 tomato plants that she wants to plant in rows. she will put 2 plants in some rows and 1 plant in others. how many different ways can she plant the tomato plants?

math
Start from 110 feet away, a person on a bicycle rides towards a checkpoint and then passes it. The rider is travelling at a constant rate of 30 feet per second. The distance between the bicycle and he checkpoint is given by the equation d = |110 - 30t|. At what time is the ...

Chemistry
I was doing a lab and stared off with 10mL of HNO3 and the mass of copper which was 1.5120g. The question now is: With initial mass of copper wire being 1.5120g, calculate the volume of (16M) nitric acid that is required to fully react with the copper. Cu(s)+2HNO3(aq) --> ...

model multiplication
48 thanks just wanted to confirm my answer

model multiplication
jillian's garden, there are 3 rows of carrots, 2 rows of beans and 1 row of peas. there are 8 plants in each row. how many plants are there in all?

math 4
150-20%=?*6

math 4
please help

math 4
yson talked with 150 customers on his shift yesterday. Of those, 20% resulted in a successful upsell of additional purchases. If Tyson makes a $6 commission on top of his regular salary for each successful upsell that he makes, how much commission did he make yesterday? $ 30...

math 3
275 so it woulbb be the 230 plus the 45

math 3
A customer sent in a $230 check to pay off an overdue bill but failed to pay the interest that accrued over the 45 days after the posted due date. The original balance owed was $230, and the account accrues interest at $0.42 per day. What amount of money should the customer ...

2 math
Denise spoke with a total of 80 customers on her shift at work today. Of those customers, 55% resulted in a sale, 15% said they would "come back another time", and 10% were sent to speak with the supervisor on shift. What is the total number of customer sales that ...

2math
n January, a company named ACME had 100 employees. In February they lost 15 employees, and in March the company hired 25 new employees. How many employees were working for ACME at the beginning of April? 100 105 110 115

Math
I forgot how to do inequalities with a rational function. The question I have is: ((3x-2)/(x-1))<1

Math
So she saw 461 dolphins that are 5 year so we don't need to estimate on this problem. So I did 461/5 is 92 is the answer. Then the said how many did he spot per summer in the 5 summers he worked so I think we need to divide the answer which is 92 and the 5. 92/5 18 is your...

math
You estimate 547= 540 and 92= 90.So now divide 540/90 and there you got your answer. 60 is your answer

physics
The speed of all electromagnetic waves in empty space is 3.00 × 108 m/s. What isthe wavelengthofradio waves emit- ted at 97.9 MHz? Answer in units of m

Physics Grade 12
Heather is sitting on her car at a spotlight. At the instant light turns green, she starts accelerating at 2.2 m/s/s. At the same moment a truck rumbles past her car going a constant speed of 12.2 m/s. Heather is infuriated at being passed by a truck and she keeps accelerating...

Grade 12 Physics
Bredan is driving through town at 25m/s and begins to accelerate at a constant rate of -1.0m/s/s. Eventually Brendan comes to a complete stop. A) Represent Brendan's accelerated motion by sketching a velocity-time graph. B) Use the velocity-time graph to determine his ...

math
Don't know

science
A vehicle starts from rest and accelerates with a constant acceleration, covering 200m in 5s. it then continues at a constant velocity for 300m before decelerating with a constant 2m/s^2 deceleration to a stop. what is the maximum speed attained, total time traveled, total ...

statistics
Assign your numbers for mean μ and standard deviation σ. Then select one number "a" bellow μ and one number "b" above μ. Choose these numbers not far from μ so we can use z. Find probability that x is between a and b: P(a < x <...

chemistry
1. What is the binding energy per nucleon? Why is the binding energy per nucleon, rather than per nuclide, used to compare nuclide stability? 2. When a nucleus forms from nucleons, is energy absorbed or released? Why? 3. Many scientists reacted skeptically to Einstein's ...

Chemistry Please Help!!!
Airbags contain a mixture of sodium azide, potassium nitrate, and silicon dioxide. A sensor detects a head on collision that cause the sodium azide to be ignited and to decompose forming sodium and nitrogen gas. This gas fills a nylon or polyamide bag such that the front face ...

Science
What are the affects when posting warning signs where there is a history of wildlife collisions. Please explain using jot dots please .

Science
I need some additional help. Can you help me?

Science
You are a scientist hired by the ministry to investigate its anti-collision strategies. Choose one of the five strategies above. Outline a procedure to test how well the strategy works. I've chosen adding highway lighting to improve night visibility. But how do I start it ...

Science
Thanks so much :)

Science
Thanks, by the way why is d a better answer ?

Science
Which of the government strategies for reducing collisions listed below might be the most effective? Explain your answer. a. Installing fencing along major highways b. Draining salty ponds near highways c. Posting warning signs d. Adding highway lighting to improve night ...

Math
Find three consecutive integers that have a sum of -402. Describe your strategy.

Math
What power of 7 is 40 353 607?

algebra
A lab assistant wants to make 5 liters of 27.2% acid solution. If solutions of 30% and 16% are in stock, how many liters of each must be mixed to prepare the solution?

math
A car costs $45000. The cost of the car depreciates by 30% each year. How muck will the car be worth in five years?

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