Sunday
May 29, 2016

Posts by Lisa

Total # Posts: 3,349

statistics
Consider the data below: 33.1068240, -6.3331469, 22.2903011, -6.9142991, -21.7899524, -12.1741625, 29.2973275, -34.2364631, -4.4113930, -25.7845033, -12.0375226, 17.9397860, -6.2030667, 0.3504070 , -19.4854146, -10.5979710, -27.1274107, 20.4247578, 17.0975034, -6.8416016, 0....
May 19, 2016

statistics
Z = 1.5. The mean and variance of the corresponding X are 1.3 and 5.6. Compute X:
May 19, 2016

statistics
Consider the data from an unknown distribution: 40.68, 32.15, 36.91, 29.00, 35.58, 41.55, 33.83, 29.07, 41.00, 37.68, 41.23, 37.54, 40.33, 36.82, 35.18, 31.67, 38.55, 38.34, 35.86, 40.45, 37.28, 36.65, 32.12, 32.96, 37.65, 39.44, 46.18, 24.21, 42.35, 33.05, 30.90, 42.12, 34.38...
May 19, 2016

statistics
A sample of blood is assayed for its alcohol content (BAC). The following BAC values are determined from six trials: 0.081%, 0.078%, 0.079%, 0.076%, 0.082%, 0.077% Assume the data follows a Gaussian distribution. For 84% of the possible assay data population determine with 93...
May 19, 2016

statistics
Z = 1.5. The mean and variance of the corresponding X are 1.3 and 5.6. Compute X:
May 19, 2016

science
work=force x distance rearrange and you get: force=work/distance
May 19, 2016

statistics
Z is a standard normal random variate. For Pr(c < Z) = 0.278, what is the value for c?
May 18, 2016

statistics
4.6 is a N(3.5, 1.2) random variable. What is its standard value, Z?
May 18, 2016

Math
Pouring gravel in a cone shaped pile 6 feet high Suri a diameter at the base of 8.2 feet how much gravel in poured??
May 13, 2016

Maths lit, life science, economics, geography
hey, I want to do medicine and civil engineering is this subjects are right? If not please tell me which career i can go to with this subjects after my matric? Thanks
May 10, 2016

Algebra
A scuba diver is positioned at-30 feet. How many feet will she have to rise to change her position to -12 feet?
May 8, 2016

language arts
from the giver please check my answers 1. At the beginning of the novel, Jonas describes himself as apprehensive. Why is he apprehensive? A. An unknown plane is flying overhead. B. The Ceremony of Twelve is coming soon.**** C. A loudspeaker orders everyone inside. D. A ...
May 6, 2016

math
a cyclindrical water storage tank contains 2187 cubic units of water. All the water is pumped equally into 3 congruent cubic coolers. What is the minimum length that each coller need to be?
May 5, 2016

math
ok thank you
May 5, 2016

math
write each expression using a single exponent please help 1.a^5/a^3 2.x^9/x^5 3.c^7/c^2 4. (-1)^5/(-1)^4
May 5, 2016

language arts
please check my answers 1. At the beginning of the novel, Jonas describes himself as apprehensive. Why is he apprehensive? A. An unknown plane is flying overhead. B. The Ceremony of Twelve is coming soon.**** C. A loudspeaker orders everyone inside. D. A newchild in the ...
May 5, 2016

language arts
The giver Choose the statement that best explains the meaning of the following passage: But now, with twelve coming so soon, and the volunteer hours ending, it didn't seem to meter. The freedom to choose where to spend those hours always seemed a wonderful luxury to Jonas...
May 5, 2016

languge arts
the giver which words can be used to describe jonas father very caring and sensitive**** highly intelligent and driven usually loyal and obedient
May 5, 2016

language arts
thank you guys
May 5, 2016

language arts
I mean a
May 5, 2016

language arts
2.which set of words best define the word remorse? the young child refused to show any remorse for his actions, even thought they had earned him a severe punishment. regret or shame envy or jealousy happiness or joy pride or arrogance ***
May 5, 2016

Triangles
Try to draw a triangle with side lengths of 3 Cm and 6 cm and an included angle of 120 degrees. Do given segments and angles produce a unique triangle, more than one triangle,or no triangle.
May 5, 2016

Maths
Now suppose that the weight attached to the spring is pulled down a further 5cm from its equilibrium positions and released from rest. Show that newtons second law leads to the dynamic equation (in SI units) d^2z/dt^2 + 36z - g = 0 where z(t) measures the extension of the ...
May 3, 2016

language arts
you don't know the answers?
May 2, 2016

language arts
please help
May 2, 2016

language arts
The passage is The Miracle Worker by William Gibson. Kate. Miss Annie. Annie. No. Kate (a pause). It’s a very special day. Annie (grimly). It will be, when I give in to that. [She tries to disengage HELEN’S hand; KATE lays hers on ANNIE’S.] Kate. Please. I’...
May 2, 2016

language arts
What does Annie's dialogue in the passage reveal about her character? a.she is proud and indifferent b.she is sarcastic and cynical c.she is timid and nervous d.she is confident and persistent from the miracle worker by William Gibson act 3 please help
May 2, 2016

English
does someone know the answers
May 2, 2016

maths
A. If u have 19 wheels then find the number of bicyćles and tricycles that cañ made. B. If u have 23 wheels then find the number of bicycles and tricycles can be made ..
May 2, 2016

language arts
from the miracle worker by William Gibson act 3
May 1, 2016

language arts
What does Annie's dialogue in the passage reveal about her character? a.she is proud and indifferent b.she is sarcastic and cynical c.she is timid and nervous d.she is confident and persistent from the miracle worker by William Gibson act 3 please help
May 1, 2016

math
Show calculations to support your answer V=ðr^2h cylinder h=12.4cm r=6.2cm show work please
April 30, 2016

math
ok thank you
April 30, 2016

math
can you show me how you got that
April 30, 2016

math
thank you
April 30, 2016

math
Determine the volume of perfume that would fit into each container. Show calculations to support your answer cylinder h=12.4cm r=6.2cm please help
April 30, 2016

math
thank you
April 24, 2016

math
mexico?
April 24, 2016

math
spain?
April 24, 2016

math
the table below shows the population of four countries for the year 2006 expressed in scientific notation. Population in 2006 country population Lebanon 3.90x10^6 Mexico 1.08x10^8 Peru 2.84x10^7 Spain 45.5x10^6 of the countries listed, which one had the largest population in ...
April 24, 2016

math
thank you
April 23, 2016

math
please someone help
April 23, 2016

math
which is equivalent to the expression shown (3.3x10^3)(1.8x10^4)? 5.94x10^7 5.94x10^8 594x10^6 59.4x10^5 please help
April 23, 2016

math
2,500
April 23, 2016

math
an astronomer estimated that a canyon on another planet was 2.5x10^3 kilometers long which is equivalent 25,000km 2,500km 0.025km 0.0025km please help
April 23, 2016

math
thank you
April 23, 2016

math
which equation is true? square root 8^2=4 square root 6^2=24 square root 5^2=5 square root 3^2=81 please help
April 23, 2016

math
thank you!!!
April 23, 2016

math
2500
April 23, 2016

math
which is equivalent to the expression shown? 10^2 • 5^2 2,500 250**** 500 200 please help
April 23, 2016

Englidh
Like everyone else, I want to be well liked, but I will not (grovel,fluctuate)before public opinion when I am firmly convinced that it is wrong.
April 20, 2016

Maths
Is the sine, cosine and tangent using in right-angled triangles only?
April 20, 2016

Math
James wants to reserve a room at the party hall for his birthday. The deposit is $175 and for 6 hours it cost $625. What percent of the cost of the room is the deposit? Can someone show me how to work this problem out?
April 12, 2016

Math
James wants to reserve a room at the party hall for his birthday. The deposit is $175 and for 6 hours it cost $625. What percent of the cost of the room is the deposit?
April 12, 2016

Biology
Why do the nuclei of the human white blood cells turn blue in a prepared blood slide?
April 12, 2016

Chemistry
150 moles
April 10, 2016

Chemistry
In the equation 2 NaN3----2 Na + 3 N2// how much N2 would be produced if 100 grams of NaN2 completely reacted at STP?
April 10, 2016

Chemistry
Make NaCl from NaHCO3 and HCl-Starting with 3.0 grams of NaHCO3-what would be a source of error on yield of purity of NaCl and what modifications could be made?
April 10, 2016

Algebra
Find the hydrogen ion concentration of a saturated solution of calcium hydroxide whose pH is 13.3. (If you enter your answer in scientific notation, round the decimal value to one decimal place. Use equivalent rounding if you do not enter your answer in scientific notation.)
March 30, 2016

math
show your work
March 30, 2016

accounting
martin and company purchased a fixed asset on 1/4/2010 for £250000.depreciation is o be provided at 10% annually according to the straight line method. the books are closed on 31wst march every year. prepare fixed asset account and depreciation account for the first ...
March 30, 2016

Chemistry
Which element has an ion that is smaller than an ion of calcium?
March 29, 2016

math
thx
March 24, 2016

math
what is .69 repeating in its simplest form? I need help
March 24, 2016

algebra
A ball is thrown straight up from a rooftop 9696 feet high. The formula below describes the​ ball's height above the​ ground, h, in​ feet, t seconds after it was thrown. The ball misses the rooftop on its way down. The graph of the formula is shown. ...
March 21, 2016

Algebra
The force needed to keep a car from skidding on a curve varies inversely as the radius of the curve and jointly as the weight of the car and the square of the car's speed.Suppose that 400 pounds of force keeps a 1600-pound car from skidding on a curve of radius 800ft at ...
March 11, 2016

math 1149
For the triangle shown, find the length AD. (Assume u = 19, v = 19, Úx = 25‹, and Úy = 25‹. Round your answer to two decimal places.)
March 10, 2016

history
Examples of Afro-Asian ethnicities ?
March 8, 2016

Math
Five times the larger of two numbers plus four times the smaller is 271. Three times the larger less twice the smaller is 57. find the numbers
February 29, 2016

biology
the amount of energy needed to start two reactants to form a product is?
February 28, 2016

Algerbra
Find three cosecutive odd intrgers such that when twice the smallest is added to five times the largest the result is -253
February 28, 2016

hist/175
Do you think that the Korean War was merely a civil war in which the United States supported one side, or should it be considered an international war in which the United States used the United Nations to further its anticommunist policies? Why?
February 27, 2016

ps 27
The sum of two numbers is 120. If four times four times the smaller number is subtracted from the larger​ number, the result is 15. Find the two numbers.
February 24, 2016

Math
If the temperature is a minus eight degrees and rises four degrees every hour for four hours, what will the temperature be??
February 23, 2016

physics
A 5.4-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.7 m/s2, find the force exerted by the rope on the bucket. N
February 21, 2016

physics
A 61-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 815 N. What is the acceleration of the elevator? m/s2 upward
February 21, 2016

physics
A bag of sugar weighs 3.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth? N Repeat for Jupiter, where g is 2.64 times that on Earth. N Find the mass of the bag of sugar in kilograms at each of the three ...
February 21, 2016

physics
A 5.4-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.7 m/s2, find the force exerted by the rope on the bucket.
February 18, 2016

physics
A 61-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 815 N. What is the acceleration of the elevator? m/s2 upward
February 18, 2016

physics
A bag of sugar weighs 3.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth? N Repeat for Jupiter, where g is 2.64 times that on Earth. N Find the mass of the bag of sugar in kilograms at each of the three ...
February 18, 2016

physics
A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 15 m/s. If the brick is in flight for 2.7 s, how tall is the building? (in m) could someone help me please!!!
February 7, 2016

physics
thank you so much DAMON i really appreciate you help i was stuck on this problem for houra. Thank you again. and what time do you tutor and what days.
February 7, 2016

physics
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 16.0 m/s. The cliff is h = 25.0 m above a flat horizontal beach, as shown in the figure below. How long after being released does the stone strike the beach below the cliff? s...
February 7, 2016

physics
A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 15 m/s. If the brick is in flight for 2.7 s, how tall is the building?
February 5, 2016

pysics
for the first part i got 2.26 seconds, but for the: WHAT SPEED AND ANGLE OF IMPACT DOES THE STONE LAND? IM NOT GETTING THE RIGHT ANSWER FOR THE SPEED WITH THE CALCULATION IM GETTING -22.2M/S WHICH IS WRONG. AND SO IS THE ANGLE.
February 5, 2016

pysics
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 16.0 m/s. The cliff is h = 25.0 m above a flat horizontal beach, as shown in the figure below. How long after being released does the stone strike the beach below the cliff? s...
February 5, 2016

general chemistry
mercury has density of 13.53 g/mL. what is the mass of 345mL of mercury? D=13.53g/mL Mass=345mL 13.53/345=0.039217391 i just do not think i am doing this right
February 5, 2016

physics help please
A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 15 m/s. If the brick is in flight for 2.7 s, how tall is the building? in (m)
February 4, 2016

physics
A ball is thrown straight upward and returns to the thrower's hand after 2.00 s in the air. A second ball thrown at an angle of 40.0° with the horizontal reaches the same maximum height as the first ball. (a) At what speed was the first ball thrown? m/s (b) At what ...
February 4, 2016

Algebra
Thank you!
February 3, 2016

Algebra
Suppose that a constant force is applied to an object. Newton's Second Law of Motion states that the acceleration of the object varies inversely with its mass. A constant force acting upon an object with mass 12 kg produces an acceleration of 2m/s^2. The acceleration of ...
February 3, 2016

Algebra
Laura wants the average amount of money she spends in four days to be no more than $64. On the first three days she spends $71, $62 and $59. What is the greatest amount she can spend on day 4?
February 2, 2016

math
Tierra brought 4 3/8 yards of ribbon. 2 2/8 was blue and 1 2/8 was red. The rest of the ribbon was yellow. how many yards was yellow?
February 1, 2016

Mtn view
How many dimes & nickels make up 19.95?
January 13, 2016

Fraction, word problem
Karen has used 12 feet of ribbon for a project. This represents 3/8 of the total amount of ribbon. How much ribbon did she have at the start of her project?
January 12, 2016

Physics
If the velocity is given as v=t^2-2t+2 what is the acceleration when v=10m/s?
January 11, 2016

math
idek
January 11, 2016

Physics
A ladder ABC of length 20m is leaning against a wall at an angle from the horizontal. There is a roller at the top of the ladder that rests against the vertical wall. The coefficient of friction between the ladder and the horizontal surface at A is 0.5. Determine: (a) the ...
January 9, 2016

walden university
Which of the following is a temperamental characteristic that is associated with prosocial behavior? A. Low social anxiety B. Popularity among peers C. Coherent self-concept D. Intelligence
January 9, 2016

Math-Fractions
Abby baked 5 cherry pies. She wants to share them equally among 8 of her neighbors. How much of a pie will each neighbor get?
January 5, 2016

  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>>