Friday
February 12, 2016

Posts by Lisa

Total # Posts: 3,263

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

Math
6 students share 5 small pies equally
January 5, 2016

Math
Six neighbors share 4 pies equally. How much of a pie does each neighbor get?
January 5, 2016

Life Span Development
Which of the following is a temperamental characteristic that is associated with prosocial behavior? is B the correct answer A. Low social anxiety B. Popularity among peers C. Coherent self-concept D. Intelligence
January 4, 2016

Life Span Development
. Selena didn’t take the candy because she might get caught.
January 4, 2016

Life Span Development
As Selena and her friends are walking home after school they approach a corner store and see bags of candy and snacks on open shelves outside the front door. A young clerk is also outside waiting for customers. As they get closer, they see the clerk go inside the store. Selena...
January 4, 2016

Physics
If an object of mass 150kg is brought to rest by a supporting cable from a velocity of 20m/s in a time of 5s what is the tension in the cable during this stopping period?
December 30, 2015

chemistry
If the titration of a 30.0 mL sample of sulfuric acid requires 27.65 mL of 0.090 M sodium hydroxide, what is the molarity of the acid? H2SO4(aq)+2NaOH(aq)→Na2SO4(aq)+2H2O(l)
December 27, 2015

socials 10 please help!!!
What was the outcome of the numbered treaties on the first nations? please give full answers thank you!!!
December 18, 2015

English
why is it considered a bad thing to oversimplify things? I would say that oversimplification is harmful as it can lead to error & cause one to undermine the importance & complexity of important issues. But I need some more ideas?
December 15, 2015

algebra
coffee shop plans to mix grage a cogge costing $9.50/lb and grade b coffee costing &7 /lb to yield a 20lb blen costing $8.50/lb. how many pounds of each to make the blend? a=b=20 9.5a+7b=170
December 12, 2015

Stats
charity sells $6 raffle tickets first prizes to trace worth $3,000 2nd prize of $600 third prize is $40 and fourth prize $15 they sell 600 tickets what is the expected value
December 9, 2015

Math
a serving of cereal is 1 1/3 ounces. A box of cereal contains 20 2/3 ounces. How many servings does each box of cereal provide? Do not round. Give exact answer.
December 1, 2015

Math
Need help please. The reciprocal of .125 is what number?
November 21, 2015

Math
Bob is building a house. He has a piece of wood that measures 2 1/3 feet long. He cuts off 3/4 feet, how long is the measure now?
November 17, 2015

Math
thanks Ms. Sue.
November 7, 2015

Math
Please check my answer. Multiply the reciprocal of 4 1/2 by 8/9. My answer: 9/2 x 8/9 2/9 x 8/9 = 16/81
November 7, 2015

math
Phillip opened a savings account with an annual interest rate of 8% and an initial deposit of $3500. If his interest is compounded quarterly, how much is in Jeffrey’s account after 2 years? Round your answer to the nearest cent. interest compounded quarterly: A equals P ...
November 4, 2015

Algebra
The perimeter of the triangle is 49 units. Find the value of y. Side A: y+3 Side B: 4y-2 Side C: 3y
November 3, 2015

Math Algebra
Thank you!
November 2, 2015

Math Algebra
TechWiz Electronics makes a profit of $35 for each MP3 player sold and $18 for each DVD player sold. Last week, TechWiz sold a combined total of 130 MP3 and DVD players. Let x be the number of MP3 players TechWiz sold last week. Write an expression for the combined total ...
November 2, 2015

Algebra
Thank you!
November 2, 2015

Algebra
The sum of the four angle measures of any convex quadrilateral is 360 degrees. Suppose that a convex quadrilateral has angle measures of 90, 10y+4, and 3y-2 degrees. Write an expression for the degree measure of the fourth angle.
November 2, 2015

algebra
a survey of 2,000 people was given to find their mode of transportation to work each day. the pie chart gives the results of people surveyed Bike 3.8% taxi 9.8% walk 3.4% bus 14.6% drive 68.4% how many traveled by bike to work?
October 31, 2015

algebra
A group of 1,200 people was surveyed to find their favorite choice of fruit. the pie gives results of people surveyed oranges 19.2% kwiw 16.2% bananas16.6% apples 30.2% other 12.8% of the people surveyed, how many prefer bananas?
October 31, 2015

Math
I LOVE UUUUU ♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡&#...
October 28, 2015

Social Stu4dies
I LUV uuùuuuuuuu👄👄👄👄👄👄👄👄👄👄👄👄👄👄👄😉😃😃😃😃😃😃☺b
October 27, 2015

physics
A falling stone accelerates at a constant rate of 10ms^2. It is dropped from rest down a deep well and 3s later a splash is heard as it hits the water below.(1) How fast will it be moving as it hits the water? (2)What will be its average speed over the three seconds ? (3) how ...
October 27, 2015

chemistry
At what ph will Al(OH)3 begin to precipitate from a .10 M solution of AlCl3?
October 27, 2015

chemistry
150 mL of a solution contiains .00015 M NaI, .0055 M NaC, and .12 M Na3PO4. A solution of .10 M AgNo3 is slowly added. Who precipitates 1st, 2nd, and 3rd? When the last one to precipitate just begins to precipitate, what % of the other 2 anions are still remaining in solution?
October 27, 2015

chemistry
How many grams of Ca(OH)2 can be dissolved in 550mL of a .0500 M NaOH solution. Ksp - Ca(OH)2 is 5.5 x 10-5
October 27, 2015

chemistry
The nitrogen content of a .2476 g sample of a protein was determined by the Kjeldahl method. The NH3 produced with the whoosh was distilled into exactly 50.00mL of HCl in the receiving flask, which was in excess of the amount required to capture the ammonia gas. The excess HCl...
October 27, 2015

SOC 320
Which of the following is one of the stated reasons why government agencies and the bureaucracy are important players in iron triangles?
October 25, 2015

SOC 320 Public policies and Social services
Which of the following is one of the stated reasons why government agencies and the bureaucracy are important players in iron triangles?
October 25, 2015

SOC 320 Public policies and Social services
. Which of the following was added to the procedural requirements of the EPA under the Reagan administration? (Points : 1) Use of cost-benefit analysis Review using the precautionary principle Inclusion of industry representation in decision-making. Completion of an EIS ...
October 25, 2015

chemistry
An aqueous solution contains three solutes. One liter contains: 0.200 moles of calcium chloride, 0.150 moles of magnesium chloride, and 0.750 moles of sodium chloride. How many grams of Cl are there per liter of this solution? a. 39.0 g b. 51.4 g c. 78.0 g d. 80.3 g e.103 g
October 24, 2015

chemistry
an acid-base neutralization is the reaction of a)H2(g) with O2(g) to form H2O(l) b)H2(aq) with OH-(aq) to form H2O(l) c)H+(aq) with o2(g) to form H2O(l) d)H+(aq) with OH-(aq) to form H2O(l) e)Na+(aq) with OH-(aq) to form NaOh(aq)
October 24, 2015

Soc 320 public policy and social services
The author describes efficiency as
October 23, 2015

social studies
thank u
October 21, 2015

social studies
a. residency in a certain state or country. b. the right to elect government leaders. c. formal members in a national state. d. jobs that must be done to help the government
October 21, 2015

social studies
wait im putting them up
October 21, 2015

social studies
the word citizenship most closely means?
October 21, 2015

Research
All “Factorial ANOVAs” share the characteristic of
October 16, 2015

Algebra
I need to find the rule of the sequence. n 2 3 4 5 t(n) 75 1875 46875 1171875 I know the bottom is times 25, but I don't get how to do a rule that is t(n)=
October 13, 2015

Chemistry
A sample of nitrogen gas is collected over water at a temperature of 23 degrees C. What is the pressure of the nitrogen gas if the atmospheric pressure is 795 mm HG? Anser in units of mm Hg.
October 13, 2015

Chemistry
A student determines the freezing point of a solution of 1.96g of naphthalene in 25.64g of paradichlorobenzene(PDB). The following temperature-time reading are recorded. PDB/Napthalene Time(Min) 0 0.5 1.5 2 2.5 3 3.5 4 4.5 Temp(°C) 59.7 58.0 54.8 53.4 52.1 50.9 49.5 49.6 ...
October 12, 2015

Chemistry
A student determines the freezing point of a solution of 1.96g of naphthalene in 25.64g of paradichlorobenzene(PDB). The following temperature-time reading are recorded. PDB/Napthalene Time(Min) 0 0.5 1.5 2 2.5 3 3.5 4 4.5 Temp(°C) 59.7 58.0 54.8 53.4 52.1 50.9 49.5 49.6 ...
October 12, 2015

algebra
15 less than one-ninth of P
October 10, 2015

Physics
An aircraft piston engine starts from rest and accelerates to 1500rpm in 4.95s. This engine through a reduction gearbox drives a 9m diameter propeller at 55rpm What is the engine's angular displacement in 4.95s?
October 1, 2015

Math
6*2,6*20,and 6*200
September 28, 2015

Math
Divide the reciprocal of -12 by -1/3? the answer I came up with is 1/4, is this correct?
September 25, 2015

math
one radio station broadcasts the weather every 8 minutes and other station broadcasts a commercial every 4 minutes. Another station plays a "Golden Oldie" every 6 minutes. If all three of the stations broadcast both a weather forecast, a commercial, and play a "...
September 24, 2015

Math
Find the derivative: Write answers without negative or rational exponents. f (x)= 2 g (x) = 3x(4power)+ 6x(3power)-1
September 24, 2015

Physics
If you throw a ball straight up at 10 m/s and release it 2m above the ground: a) What height will the ball reach V^2=u^2+2as 0=100+19.6s s=5.1+2 s=7.1m b)How long after you release the ball will it hit the ground? (Answer should be 2.22s but need help getting there)
September 23, 2015

science
Many chemical salts come as hydrated crystals. That is, there is a specific ratio of water molecules associated with the salt crystals e.g. MgSO4.7H2O (called Magnesium sulphate heptahydrate FW = 246.5) has 7 water molecules to every Mg2+ and SO42- ion pair. But it is also ...
September 21, 2015

Chemistry
average atomic mass of isotopes
September 20, 2015

Science
A student mistakenly used an ethanol solution containing an unknown ionic compound in part C of the experiment. How would this affect the Van't Hoff factor determined experimentally? Justify your answer with an explanation.
September 16, 2015

microsoft power point
10. You're creating a table for one of your slides, and need to make some modifications to your table structure. Which of the following options can you perform by right-clicking inside the table? A. Merge cells B. Invoke Excel spreadsheet C. Create SmartArt D. Create a ...
September 11, 2015

Gen edu 499 quiz critical thinki
The very large increase in allergies over the last thirty years is due to the great success of immunizations administered over this time period. Since immunizations have nearly eliminated life-threatening diseases such as polio, the human immune system increasingly targets ...
September 6, 2015

general education 499 wk 4 quiz
people have claimed that Jamie's paintings have given them the blues. Clearly this cannot be entirely correct. Since many of James paintings contain no blue at all.
September 6, 2015

micosoft 2013
20. Which of the following processes should Angel use to merge cells A1:D4 to create a title? A. Highlight cells A1:D4, click on the Home tab, and click on the Wrap text icon in the Alignment group. B. Highlight cells A1:D4, right-click and select Format Cells, click Alignment...
September 6, 2015

microsoft 2013
19. Which of the following identifies the patterns used for each data series in a chart? A. Data point B. Data series C. The horizontal and vertical axes D. Legend
September 6, 2015

microsoft 2013
10. David has a small business and is working on an Excel worksheet to help manage his inventory. David realizes cell E14 has the wrong output. To check the problem, David should first select cell E14 and look at the _______ to check the formula. A. range B. Formula bar C. ...
September 6, 2015

Microsoft word 201
9. Andrea needs to format the legend on her chart. She clicks on the chart to select it. Which of the following options appears only when a chart is selected? A. Insert B. Review C. Chart Tools D. Page Layout
September 6, 2015

all the above
Dancers from the movie Rize continue to spread their inspirational message of hope to Los Angeles’ South Central youth. How should the sentence above be rewritten to correct the subject-verb agreement error? The sentence is correct as written. Dancers from the movie Rize...
September 1, 2015

English
had so much homework but thought the weekend would be so boring but went to a homework party
August 30, 2015

Math
thanks next time i'll show my work. you've been a big help.
August 25, 2015

Math
simplify the expression (the 7th root of 11x/y^6)(the 7th root of y^6/11x^8) the root is over the whole fraction in both cases. I've already done the problem once and got x(the 7th root of 1/x). which apparently this is wrong.
August 25, 2015

Math
How do I do this _______ is 32% of 250
August 19, 2015

psy 303
. ___________ provided the first physiological explanations for mental illness. (Points : 1) Pinel Plato Galen Hippocrates
August 9, 2015

algebra
+write an expession for the volume of a rectangular prism if the length is 2 feet longer than some x amount the width is 6 feet longer than x and the height is x feet
August 5, 2015

english
The average height of members of the high school basketball team is six feet, three inches. Jerry is on the high school basketball team, so Jerry must be taller than six feet. The argument above is flawed because it confuses
August 2, 2015

PSY 303
This theory of psychology proposes that dysfunction begins in infancy, and emphasizes the importance of unconditional positive regard as a vehicle for becoming constructive and productive adults
August 1, 2015

Psy 303 abnornmal Psychology
The __________ phase of schizophrenia precedes the disorder and is marked by deterioration from some higher level of functioning. (Points : 1) premorbid active prodromal residual
July 28, 2015

algebra
When my answer is 4=x and I rewrite it as x=4, is that illustrating a property? Why am I able to do that?
July 26, 2015

psy 303 abnormal psychology
According to the textbook, _______% of women never experience an orgasm at all.
July 22, 2015

geometry
A street that is 155m long is covered in snow. City workers are using a snowplow to clear the street. The snowplow has tires that are 1.5m in diameter. How many times does a tire have to turn in traveling the length of the street? Use the value 3.14 for π . Round your ...
July 16, 2015

tech school math
I figured it out.... 63.3 - 52.3 = 11.0 msquared
July 12, 2015

tech school math
this is the answer to one of my questions. This is an on-line class. I don't know how they got the answer. I sent an email to the teacher but no response yet. 121pi/6 - 121 sqrt3/4 = 11.0 m squared
July 12, 2015

science 207 lab wk 5
1. Which water cycle processes are represented in this model and by what components? Answer = 2. Which water cycle processes are not represented? How could the model be altered to include each of these processes? Answer = 3. How would the “weather” be affected if ...
July 4, 2015

ashford university
1. Which water cycle processes are represented in this model and by what components? Answer = 2. Which water cycle processes are not represented? How could the model be altered to include each of these processes? Answer = 3. How would the “weather” be affected if ...
July 4, 2015

  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>>