Saturday
May 30, 2015

Posts by hannah


Total # Posts: 3,032

Science 8
I need help on this portfolio project, I have to do a lab report on light refraction. The research question is "How does change in medium affect light?" and I need to make a hypothesis, but I don't know what to put.
May 17, 2015

Statsistics
Help
May 4, 2015

Statsistics
You are testing the claim that the mean GPA of night students is less than the mean GPA of day students. You sample 45 night students, and the sample mean GPA is 2.18 with a standard deviation of 0.31 You sample 30 day students, and the sample mean GPA is 1.97 with a standard ...
May 4, 2015

Maths
11:58 is 3 mins slow. 12:05 is 3 mins fast. Which is the correct time?
May 4, 2015

History
What is the definition of strategoi?
May 3, 2015

History
What is the definition of strategy?
May 3, 2015

Geometry
What would the volume be if the radius of a sphere is 16m?
April 28, 2015

Geometry
Find the area of the regular triangle with a perimeter of 36 cm. how do I do this?
April 28, 2015

linear algebra
Let L: R2 ¨ R2 be a linear transformation for which we know that L(1 1)= [-2 1] L(-1 1)=[3 2] a)what is L(-1 5) b)what is L(u v)?
April 15, 2015

Math
The perimeter of a rectangular garden is (3x + 12) feet. What is the perimeter of the garden in factored form?
April 8, 2015

AP Physics
The linear speed=radius*angular speed. Linear speed/radius=angular speed. 48.9/220=0.222273
April 8, 2015

Physics
pressure=density*g*height. ~1000*9.8*4=39200 Pa, 39.2kPa
April 8, 2015

Science
There are more or less 8 lunar phases. Divide the month (30 days) into 8=3.75. Full moon the 1st. Waning Gibbous the 4th. Third quarter the 7th. New moon the 14th. First quarter the 21st. Full moon again the 30th.
April 8, 2015

PHYSICS
In a power plant the high pressure turbine trips due to an unauthorised valve shutdown. What are a) what is the angular acceleration of the turbine blade? b) what is the distance travelled by a point on the rim of the turbine blade during the acceleration? c) what is the ...
April 8, 2015

Geometry
A post tree outside of matts house casts a 12 foot shadow at a certain time of day. At the same time matt, who is 6 feet tall, casts a 2 foot shadow. How tall is the tree? How do I solve this? The marketing department of the company is considering making a keychain with a ...
April 3, 2015

Geometry help
if the volume of a rectangular prism is 420 cubic units what is its vilume if one dimension is halved a second dimension is reduced to one third its original length and a third dimension remains unchanged? How would I do this?
April 3, 2015

physics
Question Part Points Submissions Used 1 –/2.35 0/100 Total –/2.35 ... Janet wants to find the spring constant of a given spring, so she hangs the spring vertically and attaches a 0.53 kg mass to the spring's other end. If the spring stretches 3.9 cm from its ...
March 25, 2015

Chemistry
100 ml of 15 g/L silver nitrate reacts with an unknown concentration solution of copper (ll) chloride. the reaction for me only 2 grams of silver (l) chloride. If 75 mL of the copper (ll) chloride solution was mixed in, what is the initial concentration of the solution?
March 23, 2015

chemistry
If you dissolve 3.5 moles of CaCl2 in a solution, how many moles of C+2 ions and C- ions will there be in the solution?
March 20, 2015

Math
In a survey of 300 college graduates, 58% reported that they entered a profession closely related to their college major. If 6 of those survey subjects are randomly selected without replacement for a follow-up survey, what is the probability that 3 of them entered a profession...
March 16, 2015

statistics
According to a college survey, 22% of all students work full time. Find the mean and standard deviation for the number of students who work full time in samples of size 16.
March 16, 2015

statistics
An unprepared student makes random guesses for the ten true-false questions on a quiz. Find the probability that there is at least one correct answer.
March 16, 2015

English.
Sondra did...
March 12, 2015

English*Checking Answers*
Thanks! I'm gonna go with C? for the first one
March 12, 2015

English*Checking Answers*
Hello, can someone check my english answers? The story: You have taken me prisoner with all my warriors. I am much grieved, for I expected, if I did not defeat you, to hold out much longer, and give you more trouble before I surrendered. I tried hard to bring you into ambush, ...
March 12, 2015

science. mrs.sue please help
14. the sun's layer is called the photosphere . ( 1point) A. true b. false 15. meteoroids can form when comets break apart , creating dust clouds . ( 1point ) A. true b. false 16. a star is born whenever a nebula expands . ( 1point ) A. true b. false 17. a star system has ...
March 12, 2015

physics
First, find the frequency by unit conversions. frequency = (24 miles/1 hour)(5280 feet/1 mile)(1 hour/3600 seconds)(1/12 feet) = 2.933 Hz Then, read the graph to see if you need to speed up or slow down. Speeding up moves you towards 6 Hz. You want somewhere where the ...
March 5, 2015

math
Christopher made three and one fourth dozen cupcakes . He added vanilla icing to one third and chocolate to the rest . How many cupcakes in dozen have chocalote icing ? I need answer and show work pls
March 3, 2015

social studies
which of the following had the most impact on the drawing of modern borders in Southwest Asia? A.British Mandate B.tribal affiliation C.Ottoman governors D.military districts under world war 1
February 25, 2015

social studies
which piece of evidence supports a loosening of Islamic tradition in Saudi Arabia? A.the hijab B.the five pillars C.women politicians D.prayer outside the home
February 25, 2015

social studies
why did zionists return to Israel to form a new nation? A.to escape persecution and anti-semitism B.to avoid fighting in world war 1 C.to prevent another series of crusades D.to fulfill the promise of exodus
February 25, 2015

social studies
which of the following Nations has both the most stable democratic form of government and the highest standard of living? A.Israel B.Jordan C.Lebanon D.Syria
February 25, 2015

social studies
in which way are the government of Saudi Arabia and Oman most similar? A.their rulers are related B.they both have absolute monarchies C.they have newly written constructions D.their structures descend from ottoman caliphs my answer is B.
February 25, 2015

social studies
what do Israelis and Palestinians most have in common? A.religious beliefs B.military strength C.political stability D.a homeland my answer is C.
February 25, 2015

social studies
who is more likely to be involved in political conflict in Lebanon? A.Christiananity or Sunni Islam B.hamas orthe PLO C.Shia or Sunni Islam D.the Alawites or the Druze my anwer is A.
February 25, 2015

social studies
which of the following Nations has both the most stable democratic form of government and the highest standard of living? A.Israel B.Jordan C.Lebanon D.Syria my answer is D.
February 25, 2015

social studies
which religious principle has had the most impact on Jewish Christian and Islamic art? A.the belief in one God B.the messages of prophets C.the prohibition of worshiping idols D.the ethnic prescribed in the ten commandments my answer is A.
February 25, 2015

social studies
what immediate effect did the formation of Israel have? A.the transformation of Palestinian territories B.the rise of extremist parties like hamas C.the beginning of a series of regional wars D.the signing of a peace treaty with egypt-my answe is A.
February 25, 2015

social studies
why did zionists returned to Israel to form a new nation? A.to escape persecution and anti Semitism B.to avoid fighting in world war 1 C.to prevent another series of Crusades D.to fulfill the promise of the exodus-my answer is C.
February 25, 2015

social studies
which event contributed most significantly to the settlement of Muslim people in Israel? A.Exodus B.diaspora C.Holocaust D.world war 2 my answer is B.
February 25, 2015

social studies
in what chronological order did the following religious groups control Islam? A.Judaism Islam Christianity Islam B.Judaism Christianity Islam Judaism C.Christianity Islam Christianity Judaism D.Islam Judaism Christianity Judaism my answer is A.
February 25, 2015

social studies
what is the greatest concern that Israel and its neighbors having common with arabia and Iraq? A.water scarcity B.oil prices C.islamic fundamentalism D. military dictatorships my answer is A.
February 25, 2015

social studies
which of the following is the biggest concern of neighbors of Israel? A.overpopulation B.urbanization C.ethnic diversity D.refugees my answer is D.
February 25, 2015

social studies
my answer is D.
February 25, 2015

social studies
which of the following is the biggest concern of neighbors of Israel? A.overpopulation B.urbanization C.ethnic diversity D.refugees
February 25, 2015

social studies
why would Palestinians living in Jerusalem a difficult time traveling to the West Bank? A.they cannot cross national borders B.they will have to cross scarcity barriers C.the roads are too dangerous to travel D.laws prevent travel beyond the city - my answer is b
February 25, 2015

social studies
what do young Israelis and young Palestinians most likely have in common? A.religious devotion B.desire for peace and scarcity C.no interest in politics D.distrust in military-my answer is B.
February 25, 2015

science
please help
February 25, 2015

science
1 false 2a 3a
February 25, 2015

science
1.a modern train traveling at a constant speed around a circular track has a constant velocity true or false 2.which of the following would be affected if a soaring eagle change direction but remained at a constant speed? A.acceleration only B.velocity only C.acceleration and ...
February 25, 2015

social studies
b i think
February 25, 2015

social studies
in which way are the government of Saudi Arabia and Oman most similar? A.their rulers are related B.they both have absolute monarchies C.they have newly written constructions D.their structures descend from ottoman caliphs
February 25, 2015

social studies
c i think
February 25, 2015

social studies
why does oil bring wealth to Arabia and Iraq? A.abundance of wells B.low cost of production C.high global demand D.scarcity of water
February 25, 2015

social studies
a i think
February 25, 2015

social studies
to which country would you most likely move to observe strict Islamic law under fundaMentalist Regime? A.Saudi Arabia B.Iraq C.Yemen D.kuwait
February 25, 2015

social studies
d i think
February 25, 2015

social studies
which piece of evidence supports loosening of Islamic tradition in Saudi Arabia? A.the hijab B.the five pillars C.women politicians D.prayers outside the home
February 25, 2015

social studies
a
February 25, 2015

social studies
b i think
February 25, 2015

social studies
which of the following has the most impact on the drawing of modern borders in southwest asia? A.British Mandate B.tribal affiliation C.Ottoman governors D.military districts under world war 1
February 25, 2015

social studies
d i think
February 25, 2015

social studies
how did Islam mainly spread throughout the region? A.by imperial Command B.military strength C.via trade D.because of religious decree
February 25, 2015

social studies
ok sorry i just answered them however i am not sure on the aswers and i think this one is oil
February 25, 2015

social studies
the scarcity of witch resource affects arabia and iraq the most
February 25, 2015

social studies
b but i am not sure on it farming, oil drilling, livestock, banking
February 25, 2015

social studies
in what economic sector is a migrant worker most likly to find work in arbia and iraq?
February 25, 2015

social studies
b but i am not sure on it
February 25, 2015

social studies
witch physical feature covers most of arabia? a.the empty quarter b.the fertile crescent c.the zagros mountains d.the persian gulf
February 25, 2015

social studies
d but i am not sure on it
February 25, 2015

social studies
how does islam most affect women in public life in arabia? A.by keeping them from work B.by barring them from the vote C.by restricting their appearance D.by outlawing interaction with all men
February 25, 2015

social studies
b but i am not sure
February 25, 2015

social studies
where do most people in south west asia live A.in cities, B.in rural river valleys, C.in the mountains, or D.in the desert interiors
February 25, 2015

social studies
Why did the creation of Israel cause conflict? A.Palestinians already claimed these lands. B.Arabs and Jews do not speak the same language. C.Israel did not have the support of Western nations. D.Britain controlled the new nation.
February 23, 2015

physics
Two arrows are fired horizontally with the same speed of 31.8 m/s. Each arrow has a mass of 0.149 kg. One is fired due east and the other due south. Find the magnitude of the total momentum of the two arrow system in kg-m/s. (Hint: How do you combine vector arrows at right ...
February 21, 2015

Physical Science
Calcium Carbonate combines with Hydrochloric acid to produce Calcium chloride and water and carbon dioxide. I have the skeletal equation of _Ca(CO3)+_HCl>_CaCl2+_H2O+_CO2 is that equation right? if so, how to I balance it?
February 18, 2015

linear algebra
If possible, find an example of actual numbers c1, c2, and c3, not all zero, so that the following is true. c1[3,3,−1] + c2[1,2,−3] + c3[−11,−13,9] = [0,0,0]
February 12, 2015

linear algebra
For what values of a and b are the vectors [ a − b −3] and [7 a + b] equal?
February 11, 2015

physics
Ummm dude....same idea :) didn;t know you were doing this earlier today.
February 9, 2015

linear algebra
If possible, solve the following linear systems by Cramer's rule. 2x1 + 4x2 + 6x3 = 14 x1 + 2x3 = 0 2x1 + 3x2 − x3 = 30
February 9, 2015

Maths
A bag contains 8 coins of £1, 7 coins of 50p, 4 coins of 25p and 3 coins of 10p. How many different ways can we take 6 coins from the bag?
February 5, 2015

math
Which of the following homogeneous systems have a nontrivial solution? 5x+ y + 5z =0 −2x + 2y− 4z = 0 4x− 3y + 6z = 0 can someone please explain how you know
February 4, 2015

linear algebra
Find the inverse of A = [−5 2 2; −3 1 1; −9 3 4]
February 3, 2015

Organic chemistry
What kind of reaction is occurring between potassium permanganate and cyclohexene? (I.e. Combination, double displacement, etc.
January 29, 2015

S.S. Check please
My bad 2 is C I believe! and Thank you
January 29, 2015

S.S. Check please
2. Why were Native Americans forced to leave their lands during the 1830s? a.) settlers wanted to settle the land b.) U.S. citizens settled the land first c.) the Supreme Court ordered their removal d.) their new lands were better for farming. ****** 4. How did President ...
January 29, 2015

Language Arts
Based on context clues, what is the meaning of deemed in the following sentence? The teacher deemed it necessary that all students turn in their reports before vacation, or they would receive half credit. (1 point) • voted • ruled (this one) • decided • ...
January 27, 2015

Language Arts
Which word in the following sentence is an adjective? Jack trudged home through deep snow. (1 point) • trudged (this one) • through • deep • home 7. Which of the following words is a synonym for beseeched in the following sentence? Nathan beseeched his ...
January 27, 2015

Language Arts
OH MY GOODNESS is it Brightly??
January 27, 2015

Language Arts
Adverbs answer how when where or why right? sandy??
January 27, 2015

Language Arts
Which word in the following sentence is an adverb? Teresa smiled brightly as she and her younger brother looked for shiny shells on the sandy beach. • smiled (this one) • brightly • shiny • sandy What kind of word does the adverb in the previous question ...
January 27, 2015

Art
That question was a little messed up because right there in the paragraph you posted it also says it can reveal whats not visible to the eye Don't like this question and believe this is why it got asked so much! Everyone was confused!
January 27, 2015

algebra. help!
MATRICES What is the sum of [3/4 -2/-3]+[-5/3 -4/-2]? a. [-8/1 2/6] b. [-2/7 2/-1] c. [2/-7 6/5] d. [-2/7 -6/-5]** What is the difference of [3/4 -2/-3]-[2/7 -5/12] a. [-3/-1 3/7] b. [1/-3 3/-15] c. [-3/3 -3/15]** d. [-1/3 3/-15]
January 26, 2015

algebra. help!
Matrices. So what is it?
January 26, 2015

algebra. help!
I think it is B
January 26, 2015

algebra. help!
What is the sum of [3/4 -2/-3]+[-5/3 -4/-2]? a. [-8/1 2/6] b. [-2/7 2/-1] c. [2/-7 6/5] d. [-2/7 -6/-5]
January 26, 2015

Art check please
Yes ^ there all right I took the test and all those answers are right!!!
January 23, 2015

math
sharon completed her reading homework in 2/3 hour.she completed her science homework in 5/6 hour. how much longer did it take sharon to complete her science homework
January 22, 2015

math
The scale balanced when n+20=80 Suppose the left side becomes n+3 How can I change the right side so that n+3=____ is equivalent to n+20=80 How can I change the right side to get an equivalent equation my choices are A. Add blank to the right side B. Divide the right side by ...
January 12, 2015

math
A6.7%
December 14, 2014

  1. Pages:
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
  16. 15
  17. Next>>

Members