Wednesday
July 23, 2014

Posts by Amanda


Total # Posts: 1,693

Algebra
find the intercepts and graph the equation by plotting points. Y=2-2x^2

Computer Science
Suppose that a String variable str has already been defined and holds some String. In the box provided below, write a statement that changes str to all lower case characters, and then copies the result back to str.

cultural diversity
so what is the answer

spelling
verbs, the telling part or what is happening part of a sentance

writing( short story)
can u give me another example in my writing?

writing( short story)
Can you proofread? I need some figurative language. The word limit is 750-1500 words. “Don’t go in that room,” screamed Kayla and her best friend Rebecca at the top of their lungs while watching the movie, “Martha's End.” Kayla’s mother, Tina,...

Algebra
Let A(4,3) B(5,8) and C(3,10) be three points in a coordinate plane. Find the coordinates of a point D such that the points ABC and D form a parallelogram with (a)AB as one of the diagonals (b)AC as one of the diagonals (c)BC as one of the diagonals

Algebra
Find X such that the point (X, 8) is 13 units from (7, -4)

Algebra
Identify the triangle PQR as isosceles ( two sides equal length) equilateral (three sides of equal length) a right triangle, or a scalene triangle (three sides of different length)

Algebra
Find distance between the two points and the midpoint of the line segment joining them (-1,1)and (-3,-2)

Science
balance equation for lead(II) nitrate and sulfuric acid a) coefficients should be in terms of lowest whole numbers. represent substances in solutions as ions if the substances are extensively ionized

math
The diagram is 4 toothpicks each to from 3 boxes.

math
Take away 1 toothpick, move some others, and leave 1. I don't get it.

Algebra
The markup over dealer's cost of a new car ranges from 18% to 24%. If the sticker price is $14000 over what range will the dealer's cost vary?

Com/155
How do I come up with a good topic sentence to explain how the purpose, audience,tone, and content impact academic writing?

Chemistry
Simplify the following expressions. 15. 5 (5w-4w)/10 17. 6a X 5b^2/3a^3 20. (4f + 13g) (2w)

Phyics - Astronomy
You are standing at a latitude of 35 degrees South. Star x is currently at an azimuth of 45 degrees and an altitude of 50 degrees. What is the azimuth and altitude coordinates of Star X 3 hours later? I don't know how to do this. If anyone knows how to calculate this pleas...

Math
3,109 is the appropriate answer

Physics
a novice pilot sets a plane's controls, thinking the plane will fly at 2.5X10^2 km/h to the north. if the wind blows at 75 km/h toward the southeast, what is the planes's resultant velocity?

english
I'm doing a project that I must compare a book I've read to 1 or 2 songs. I've read the Alex Cross series by James Patterson(Cat&Mouse) and thought that Tupac would be a good comparison but I'm having trouble with what song(s) would work.

Physics
I have it graphed out, and I got the displacement in km, but I can't quite get the direction and the average velocity

Physics
Peggy drives from Cornwall to Atkins Glen in 35 min. Cornwall is 73.4 km from Illium in a direction 24° west of south. Atkins Glen is 25.1 km from Illium in a direction 13° south of west. Use Illium as your origin. (a) Draw the initial and final position vectors. (Do t...

government
none of them really helped :/

government
what is the congress doing to reduce the national deficit in the next few months?

government
what does reducing the national deficit even mean ?

government
help peopleeeeeeeeeeeeeee

government
this link just opens google it doesn't open the link u ment

government
information about the Congressional committee that will be working on reducing the national deficit in the next few months

Calculus
A parcel delivery service will deliver a package only if the length plus girth (distance around) does not exceed 84 in. What are the radius, length and volume of the largest cylindrical package that may be sent using this service?

Calculus
A man 5.50 ft tall approaches a street light 18.0 ft above the ground at a rate of 4.0 ft/s. at what rate is the end of the man's shadow moving when he is 9.0 ft from the base of the light?

Chemistry
bobpursley just to let you know I already know that number 1,2,3,4,6,8,12,15,and 18 right. I took the test and it tells me what ones I got right and what one I got wrong. So maybe it is you who successfully missed them all.... Not to be mean but I do know some things...

Chemistry
Can somebody check my answers 1. If a small piece of sodium is dropped into water, it begins to react, forming hydrogen gas and sodium hydroxide. In the equation, 2Na (s) + 2H2O (l) → 2NaOH (aq) + H2 (g), the sodium hydroxide that is formed is a A. compound in solution. ...

Chemistry
Can somebody check my answers? I Failed this test one time already. I do not want to fail it again. 1. When a pair of electrons is shared between two atoms, a covalent bond is said to have formed. Most often, the pair is formed A. by excess valence electrons. B. as one atom co...

physical science
A lever is used to lift a heavy load. When a 50 N force pushes one end of the lever down 1.2m the load rises .2m. Show the weight of the load is 300N ADVANTAGE of lever is input/output = 1.2/.2 = 6 W=FD W=50N*6 (b/c of advantage) = 300N

physical science
A lever is used to lift a heavy load. When a 50 N force pushes one end of the lever down 1.2m the load rises .2m. Show the weight of the load is 300N ADVANTAGE of lever is input/output = 1.2/.2 = 6 W=FD W=50N*6 (b/c of advantage) = 300N

algebra
Input:1,2,3,4,5 output:3,5,9,17,33 what is the rule?

algebra
the diagonal of a rectangular room is 13ft long. one wall measures 7ft longer than the adjacent wall. what are the dimensions of the room

chemistry
A 20 gram piece of metal is added to a sample of 100 grams of water inside a calorimeter. If the metal is at a temperature of 125° Celsius and the water is at 20° Celsius, which of the following best describes what will occur inside the calorimeter?

SCHOOL
SOLVE USING ADDITION AND MULTIPLICATION PRINCIPLE 6X-7<-25

algebra 2
If y varies inversely as x, and y = 12 when x = 6, what is K, the variation constant?

statistics
Assume that 90% of the general population is right-handed. Suppose that 100 students are randomly selected. what is the probability that 84% or more is right handed

business communications
I believe it is A.

physics
Two charged dust particles exert a force of 5.3 x 10^-2 N on each other. What will be the force if they are moved so they are only one-ninth as far apart?

American Gov
Thank you D was correct :)

American Gov
The highest priority for most members of congress: A)ensuring that the constitutional system of checks and balances works properly. B)supporting his or her party's legislative platform C)getting reelected D)gaining a reputation among other members of congress as an effecti...

American Gov
Awesome thanks!

American Gov
The major function of Congress: A)is to check the president B)is to inform the people C)is to enact legislation D)is to check the Supreme Court Is C the correct answer?

American Government
Question about American party organizations: A. are about to die out B. Are more powerful today than any time in history C. are still, important but their role in campaigns is secondary to that of candidates D. are unimportant in the political system today Is this answer corre...

World History
Ok So I redid them and got the following answers. 1. B 2. C 3. D 4. A 5. B 6. C 7. ? 8. ? 9. ? 10. B 11. C 12. D 13. A 14. C 15. A 16. C 17. B 18. D 19. D 20. A I can't seem to find the answers for 7,8,and 9....

World History
Thank You. I will look over the other answers and try to correct them.

World History
1. Among early hunting and gathering peoples, the commonly occurring mark that looks like a "P" is thought to stand for a A. favored animal B. woman. C. powerful male leader. (my answer) D. symbol for a calendar. 2. Charles Darwin supported the theory that agricultur...

Algebra 2
Factor x^3-5x^2-50x/x^4+10x^3

Algebra 2
Simplify: 1/xy + 1/yz + 1/xz

math
A basketball player has a 40% shooting average from the free-throw line. If she takes two free throws, estimate the probability that she will make both of them. Use the following list of digits which was taken from a table of random numbers. Let the digits 0-3 represent a made...

Chemistry
Please help me with the following question: Consider the following ion; XF2-2 What is the oxidation number assigned to element “X”? Show your work I'm having trouble writing the steps.

math
In 2000,the population of Arizona was 5 million and growing continuously at a rate of 3.1% per year. Write a function f that models Arizona's population in millions x years after 2000.

physics
A man leaves his front door, walks 440 m east and 380 m north, stopping at the edge of a cliff. He then takes a penny from his pocket and drops it from the cliff, which is 20 m high. What is the magnitude of the displacement (in meters) of the penny?

Physics
A child sits on the edge of a spinning merry-go-round that has a radius of 1.5 m. The childs speed is 2 m/s. What is the Child's acceleration?

chemistry
How many mL of a 4.7 M HNO3(aq) solution are required to make 500 mL of a solution with pH=2.10

math
18. A farmer planted a field of BT 123 corn and wants to estimate the yield in terms of bushel per acres. He counts 22 ears in 1/100 of acres. He determines that each ear has 700 kernels on average. He also knows that a bushel contains about 90,000 kernels on average. What is ...

english
Also another sentence was Bart, Mike, and Jim went bowling. I thought the simple subject might be Bart, Mike and Jim...but not sure

english
I have Justin and Sara, tree, she, Our, and time....hope at leasst some are correct

english
What would be the simple subject of the following sentences? Justin and Sara like to go hiking in the Rocky Mountains? This is the strangest looking tree I've ever seen! While hiding her anger as well as she could, Cindy handed the gift back to Bill. Our favorite campsite ...

math
katie makes 70% of her shots from the free throw line . can you determine how many consecutive free throws she must make in order to increase her precent. explain

College physics
The weight of the airplane is 5.54*10^4

College physics
An airplane is cruising along in a horizontal level flight at a constant velocity, heading due west. (a) If the weight of the plane is 5.54 104 N, what is the net force on the plane? (b) With what force does the air push upward on the plane?

trig
please help. show step by step how to solve h(x)=2 cot(x/2) Identify period identify x-intercepts identify asymptotes

businesscommunication
A. Background information, negative elements, main idea(s), goodwill ending, benefits.

trig
Use a graph of the cosecant function to find the value of theta for which csc theta equals 1.

Chemistry
6/4 = 21.3/x solve for x.

algebra
10w+55=15w+20 -10w -10w 55=5w+20 -20 -20 35=5w /5 /5 7=w

math
sin a= 46/65

Tips
thanks

Tips
What are some tips for writing a book?

Writing
Thanks.

Writing
How do you mark thoughts in writing?

MATH
Can you give an example?

College Algebra
Change 2x^2-5x=25 to standard form. Then find the solution set.

precalculus
A Ferris wheel has a radius of 35 feet, and is rotating at 5 revolutions per minute. Find the linear speed, in feet per minute, of a seat on the Ferris wheel.

Chemistry--Solids
Silicon carbide forms which type of solid? molecular network ion-ion metallic THANKS!

Chemistry!!!
Calculate the density of a certain gas if its pressure is 0.725 atm, its molar mass is 48.22 g/mol, and the temperature of the has is 24.0 degrees Celsius

calculus
use substitution to find the indefinite integral (x^3+3x)(x^4+6x^2+8)^9dx

math
next three terms 1,5,13,29

chemistry
500 grams of water at 0 degrees C was heated to a boiling in a large pot. how much energy was needed? what was the temperature change and Heat energy

Chemistry
If 16.5 g of oxygen gas is required to inflate a balloon to a certain Volume at 26.5 degrees Celcius, what mass of oxygen gas is required to inflate the same balloon to the same volume and pressure at 10.0 degrees Celcius?

Math
the number has four digits the thousandsdidit is twice the hundreds digit the ones digit is divisible by 5 the sum is 13

I need help to unscramble these words in spanish
Peasra

math
at the end of five days i saved 30$. if each day i saved 2$ mre then the day before, how much money did i save?

math
Im confused please help me!:<

math
HI I need help with mixed numbers! I used to know how to do them. but now I fogot!I was in sping break so yeah.please help what should i do!

math
a sudden rise in the crime rate.

Calculus
A ostrich farmer wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the rectangle (see the figure below). He has 820 feet of fencing available to complete the job. What is the largest possible total area of the four pens?

Statistics
With a data set that is so small, the true value of the distribution cannot be seen with a histogram.

japanese
how do you say congratulations in japanese

math
at noon two planes leave at 3,377mi apart and are coming toward each other at a parallel line if one travels at 610mph and the other 618mph how long will it take to reach each other

math
formula of a cylinder is :2 times pi times the radius times the height plus 2 times pi times the radius to the second power Example:cylinder w/the height of 10mm and the base is 4mm is 2(3.14)(4)(10)+2(3.14)(16)

Statistics
For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The general population of in...

statistics
For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size- (b) 3

Calculus
The base of a solid is the region bounded by the parabola y^2=4x and the line x=2. Each plane section is perpendicular to the x-axis is a square. What id the volume of the square?

Social Studies/World History
hi I was doing a study guide for a big test I'm having in my World History class and I was wondering if anyone can help me answer this question... -what trends in political organization and economic development can be identified in 20th century world civilizations? I was l...

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