Questions Asked on
September 9, 2010

  1. 9th grade

    Write an algebraic expression for the phrase. the product of g and 4 a.4g b.g + 4 c.g/4 d.g – 4

  2. science

    A 0.513 M solution of a weak base has a pH of 11.4. What is the Kb of the base?

  3. 9th grade

    Write an algebraic expression for the phrase. the sum of b and 11 a. b/11 b. b + 11 c. 11b d. b – 11

  4. Please check answers)

    Perform the indicated operations and simplify the result. Leave your answer in factored form. 1) x/16 - 1/x all over 1 + 4/x A) x+4/16 B) x-4/16 C) 16/x+4 D) 16/x-4 E) -16/x+4 I chose answer C. I saw this as x^2-16/ x+4. Multiply the following using the

  5. 5th grade science

    How could you change an object's volume without changing it's mass?

  6. 3rd grade

    Use compatible numbers to complete this problem. Then estimate the sum. 3,428 +432 _____

  7. math problem solving organized list

    tonya and lauren are designing a socce r uniform.they want to use two colorson the shirt.their choices are green,purple,orange,yellow,blue and silver.how many ways can they choose two colors.

  8. literary

    Hi, I don't seem to understand Stephen King's "Why we crave horror movies" Give three examples of figurative language (in this case, a metapor) King uses. For each, explain what two things are being compared and state why you think this is an effective

  9. 9th grade

    Write an algebraic expression for the phrase. 4 times the sum of q and p a. 4 + q + p b. 4qp c. 4q + p d. 4(q + p) MY ANSWER D.?????

  10. physics

    The earth has a radius of 6380 km and turns around once on its axis in 24 h. 1)What is the radial acceleration of an object at the earth's equator? Give your answer in m/s^2 2) What is the radial acceleration of an object at the earth's equator? Give your

  11. Physics: Diameter of a nichrome wire

    If 49 m of nichrome wire is to have a resistance of 13.0 ohms at 20°C, what diameter wire should be used? I've done this: (108e-8)(49)/10.0 ohms = 5.29e-6m^2 Then 5.29e-6m^2/pi then r = sqrt(1.68e-6m^2) and got .00129 = 1.29e-3 1.29mm r=2(1.29mm) = 2.58mm

  12. math

    A container has three white balls and two red balls. A first ball is drawn at random and not replaces. Then a second ball is drawn. give the following conditions. What is the probability that the second ball was red? The first ball was white? The first

  13. science

    A pyramid of numbers demonstrates that a community has a) producers who depend on consumers for food b) more producers than primary consumers c) the same number of organisms at each level d) more consumers than producers e) no loss of usable energy B

  14. social studies

    suppose you are at 15 south latitude, 145 east longitude. which would be more useful-gear pr hiking boots? why

  15. English fallacies

    my assignment is to find quotes from thimas jefferson's query 14 and label them according to fallacies and i just don't get it. some quotes include "Comparing them by their faculties of memory, reason, and imagination, it appears to me, that in memory they

  16. statistics

    A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular job-skills training program. The cutoff "t" needed is -1.8333. The standard deviation of the

  17. Physics

    highway saftey engineers build soft barriers so that cars hittingthem will slow down at a safe rate. a person wearing a saftey belt can withstand an acceleration of 300 m/s how thick should barriers be to safely stop a car that hits a barrier at 110 km/h

  18. government

    Do you believe that the media is America's "fourth branch" of government? Is there adequate fair and balanced reporting on political issues or is the media biased? Why or why not

  19. Geography

    A prime minister is the leader of what type of region? climate cultural economic political I thought it was a nation but its not a answer choice.

  20. physics ( math)

    Solve the Equations in terms of X: a. x/a = b/c b. s=xt^2/2 d. 4= 10/x e. 5= 5/x-5 f. 40=2((x10)2-5) g. x(y+2)/ (5y +8) 1.What is the average of 2/9 and 4/5? 2. Subtract 4.20 x 10^-5 from 6.468 x 10^-4 3.Given: D= density; M= Mass; V= Volume; and D= M/V a)

  21. Chemistry

    Ephedrine, which is used as a bronchodilator, has the chemical formula C10H15NO. What mass of H2O would be produced during a combustion analysis of 0.4817 g of ephedrine? Answer in units of g.

  22. English

    True or False. The first-person narrator may slant the presentation of events. -True Is the narrator always the voice of the author? -No, because the narrator could be anyone. Am I right?

  23. MATHS

    demand function for kerosene: Kd=a0+a1Pk supply function for kerosene: Ks=b0+b1Pk+b2Pg demand function for gasoline: Gd=c0+c1Pg+u1 (ul here shows a exogenous random shock to the demand of gasoline) supply function for gasoline: Gs=d0+d1Pk+d2Pg a) if

  24. spanish

    1. The "tú"form of you is used: A all the time B as a sign of respect C with strangers D with friends and peers E only in Spain F only on Mondays Which subjects correspond to the following combinations? 2. tú y yo A yo B nosotros C ustedes D ellos E

  25. math

    Use symbolic Math symbolic representation: 1. The # of birds in a population equals the nbr of females plus the # of males.

  26. math

    Use symbolic Math symbolic representation: 1. You learn that for every 1,000 meters you rise in the atmosphere, the temperature drops by 6C. You have the idea that if you know the temperature at the base of a mountian and its height, you can figure out the

  27. math

    Use symbolic Math symbolic representation: 1. You observe that oen fox eats 100 rabbits each year. You have the idea that every increase of one int eh fox population will cause the rabbit population to decrease by 100.

  28. buisness

    describe two forces that you believe shape the relationship between business and society

  29. calculus

    What analytic method steps are required to find the limit of cos x-1/2x^2 ? Limit greater than 0. Estimating -0.25 but stalled ....

  30. MATH

    You are listening to a political pundit discussing the growth of the state's population with a radio talk show host. The host states that the State of Arizona had a population of 6,166,318 in 2006. Our pundit says the 2005 population was 5,130,632.

  31. algebra

    The following function notation was given for Barking Lot Grooming: b(5)=28. What does the 5 represent? What does the 28 represent?

  32. Health

    A runner completes a more difficult run than usual. At the end, he's breathing heavily and his muscles are cramping. This condition is caused by a buildup of ___ in his blood and muscles. A. lactic acid B. oxygen C. carbon dioxide D. sulfur I think it's

  33. statistics

    A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection

  34. math

    A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection

  35. science

    Are the following data sets on chemical changes consistent with the law of conservation of mass? (a) A 15.0 g sample of sodium completely reacts with 19.6 g of chlorine to form 34.6 g of sodium chloride. the answer is yes, because 15 and 19.6 add up to

  36. statistics

    A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection

  37. statistics

    Heights of young adult US women are approximately normal with mean 64" and standard deviation 2.7". What proportion of all US young adult women are taller than 6 feet?

  38. civics

    who are some good citizens? for example terry fox or mother teresa. i need people other than them

  39. 9th

    Define a variable and write an expression for the phrase. the quotient of 6 times a number and 16 a.(16x) / 6 b.(6x) / 16 c.96x d.x / 96

  40. chemistry

    Which of the following statements is true regarding the Lewis structure for methylamine, CH3NH2? a) There will be an unshared pair of electrons on the nitrogen atom. b) There will be three covalent bonds to the carbon. c) Nitrogen will form a double bond

  41. 2nd grade

    Why does the sun always shine in space?

  42. APPLICATION MATH

    Determine the sum of the digits of 1) 777 777 777 777^2 - 222 222 222 223^2

  43. English

    1. We see India as a strategic partner in the late 21st century. 2. We see India as a strategic partner in the mid 21st century. 3. We see India as a strategic partner in the early 21st century. (Are all grammatical? Can we use 'middle' instead of 'mid'?)

  44. math

    It takes 28 minutes for a certain bacteria population to double. If there are 4,241,763 bacteria in this population at 1:00 p.m., which of the following is closest to the number of bacteria in millions at 4:30 pm on the same day?

  45. Geography

    If D is the midpoint of AC and C is the midpoint of AB and AD=3cm what is the length of AB

  46. chemistry

    How many grams of copper are contained in 253g of CuSO4

  47. trig

    Find the distance between d(P1,p2) between the points P1 and P2 P1= (-1,-5), P2 = (6, -6) and i also need help with this problem x 8 ____ - ____ x^2-64 64-x^2

  48. Math

    Through a given point on a line, there is one and only one line perpendicular to the given line. The hints that it gave was "Do not limit your thinking to just two dimensions". If it just a regular line there will only be one perpendicular line right?

  49. 4th grade

    colin is thinking of a group of numbers between 40,000 and 60,000 that rounds to 54,450 .Use an organised list to fing Collins numbers

  50. :( math

    3x (x-3)^3 - x (x-3)^2 ps. I am staring at this problem for a long tym and have noo clue please help?

  51. 8th grade

    What two European countries helped start the Age of Explorations?

  52. 3rd grade

    writing in math mrs. bradner has 30 tomato plants. she wants to plant the same number of plants in each row of her gardner. explain how she could decide the number of rows to plants.

  53. chemistry

    A sample of magnesium (13 g) when heated in air produces 22 g of product. What percent (by weight) of magnesium is present in the product? Answer in units of %.

  54. chemistry

    A 0.010 M solution of aspirin, a weak monoprotic acid, has a pH of 3.3. What is the Ka of aspirin?

  55. Math

    Solve for t. -45.0 m = (8.636 m/s)t + ½(-9.80 m/s^2)t^2 ?

  56. math

    what is the appropriate graph for time and speed??

  57. math

    if 150ml of can cost $1.26 than how much will it cost for 1ml??

  58. algebra

    How big is the solution set for an equation that cannot be solved

  59. Chemistry

    Some physical properties of water are shown below. freezing point 0.00°C boiling point 100.00°C Kf 1.86°C/m Kb 0.512°C/m A 16.0 g sample of a compound known to contain 3 ion species is dissolved in 100. g of water. The boiling point of the solution is

  60. Algebra

    Answer the question with an algebraic expression. If n represents an even integer, what represents the previous smaller even integer?

  61. English Help Plz

    Ovid is a great artist; He used different objects to represent the idea of transformations. He used water, tree, earth and heaven as metamorphosis symbolism .But his stories seems to be fiction in the modern age. For example beautiful daughter of a river

  62. 9 th grade geomitry

    how do you do 19= n - 9 ??????

  63. Math

    (3+5)*6-8/1+3*3+2=

  64. business mathematics

    What are the financial costs to a business owner who receives a bad check?

  65. physics

    Two books of mass m1 = 6.9 kg and m2 = 3.8 kg are stacked on a table as shown in the figure below. Find the normal force acting between the table and the book on the bottom. im confused where to start

  66. science

    It is true that _____.? a) prey capture and eat their predator b) an organism may be the prey in one relationship, the predator in another c) a predator is always a predator d) animals do not help each other escape predators e) some animals are never prey

  67. geometry

    What's the coplanar point of w x y and z?

  68. science

    Which of the following is an example of population density? a) Asia has the highest birth rate b) the city of Philadelphia has over 200 people per square mile c) Brazil has the largest annual growth rate d) the population of south america is about 200

  69. Math

    Ranchers in Sweetwater, Texas hold a rattlesnake round up each year. The ranchers decide to build a cage 24 ft by 12 ft to hold the snakes. They place poles to support the cage 3 ft apart around the perimeter. How many poles are needed? -24 poles. But I'm

  70. 4th grade

    Juan is thinking of an 8-digit number with a 4 in the hundreds place and a 1 in the ones place. What number would fit with these clues

  71. 5th grade

    96,050*1,000m3

  72. physics

    Car A travels at a speed of 15m/s and is 200 m ahead of Car B traveling in the same direction at 20 m/s. How far will Car B travel before cathing Car A.

  73. science

    . The pyramid of mass demonstrates that ______ a) the same number of organisms is at the top as at the base of the pyramid b) mass is gained as a food chain progresses c) at each link in a food chain, mass is lost d) the mass of the producers in a

  74. Language Arts

    I need the complete predicate in this sentence? Ida B. Wells was born into slavery in 1862 in Holly Springs, Mississippi.

  75. Math

    2/3=x/12

  76. Math

    Draw a number line make sure the following numbers are on your number line 1,472: 1,560: 1,481

  77. math

    What is the opposite (additive inverse) of-12 team GREEN?

  78. math

    tell wether the event is ibest described as impossible, unlikley, likley to occur half the time, quite likley, or certain, explain yor resoning. the probability of rain is 80%, or 0.8 how can i find the answer to this?

  79. Math

    a + 5/12 = 5/9

  80. 5th Grade Science

    What does the statement "The properties of salts are different from the properties of the elements that go into making them" mean? Include an example in your answer.

  81. To:BobPursley

    Earlier you told me "hold a pencil up. A real pencil. I bet you can make perpendiculars in many directions, because the pencil is in a three dimensional space". Could you explain to me what do you mean by this? I try holding up a pencil and doesn't see

  82. English 2

    Hey everyone! (: It's been a while. I just started my new sophomore year course. I need help with this-- 'When you finish with the first collection you will write a persuasive essay that includes a personal narrative in your journal. This essay is intended

  83. physics

    ?????Two books of mass m1 = 6.9 kg and m2 = 3.8 kg are stacked on a table as shown in the figure below. Find the normal force acting between the table and the book on the bottom. SO g*m1+g*m2=104.86 N = mgcos(θ) N= (104.86)(9.81)Cos? Where do i find cos?

  84. Business and Economics

    What is the measure designed to reduce the level of trade between coountries? (one-word answer)

  85. physics

    A red car and a green car, identical except for color, move toward each other in adjacent lanes and parallel to an x-axis. At time t=0, the red car is at x sub r = 0 and the green car is at x sub g = 220m. If the red car has a constant velocity of 20km/h,

  86. problems to solve

    grants thinks of an odd number between 48 and 64 . the ten digit is greater than the ones digit and the difference between the two digits is 4 . what is grants number

  87. English

    Thank you very much for your corrections. Here are some more sentences I'd like you to check. 1)Bassanio is in love with Portia, a girl famous for her beauty and her wealth, and is determined to marry her. He needs money to go to Belmont and court her. For

  88. chemistry

    If 10.0 g of CaCO3(s) is heated, 5.61 grams of solid CaO will remain (4.39 g CO2 gas is driven off) If 3.25 g of NaCl(s), which does not undergo decomposition, is mixed with 5.30 g of CaCO3(s) and the mixture is heated long enough to decompose all of the

  89. geometry

    gk=24,hj=10 and gh=hi=ij.find each length

  90. English

    I forgot to include the following sentences for you to check. Thank you very much in advance. 6)Portia disguises herself as the young judge and Nerissa as her clerk. They come to court to defend Antonio unknown to their husbands. 7) Portia reminds Shylock

  91. Economics

    Why does market failure give an arguable case for government intervention to improve social welfare by reducing consumption of alcohol?

  92. algebra need by 10p cst

    How can you determine if two lines are perpendicular? How can you tell if two lines are parallel? State whether the following sets of lines are parallel, perpendicular or intersecting. Then explain why. 1) y = x + 4 y = x - 3 2) y = 3x - 7 y = -1/3 x + 10

  93. 6th grade

    Im having trouble with my Reading.If any of you have any help.with me please do bc i hate Reading and it is very hard for me.I'm in all honors.PLEASE HELP!!!

  94. physic

    A diver running 1.8m/s dives out horizontally from the edge of a vertical cliff and 3.0s later reaches the water below. How high was the cliff, and how far from its base did the diver hit the water?

  95. mental arithmetic

    1 third of 18 kg is

  96. Biology

    My question is about meiosis, well its not really a question I wanted to know if I was going in the right direction. On my assignment it asked what would happen if meiosis did not occur? If meiosis did not occur the number of choromosomes would continue to

  97. English

    In the following sentence, the comma is used correctly with an introductory clause: “Training for the upcoming ten-mile marathon, Lizette includes more protein and complex carbohydrates in her diet.”

  98. Chem

    Prove by detail calc that glacial acetic acid is the excess and isopentyl alcohol is the limiting reagent

  99. math

    Which sentence uses a comma correctly? A. She wanted to be an astronaut, after finishing school. B. He would like to order the steak, and fries. C. Thank you for returning my call, Mary. D. Jim grabbed a bottle of ketchup, to go with his fries.

  100. Math

    Kim is twice the age of Ryan. In 4 years Kim will be 7 years older than Ryan. How old is Kim now?

  101. French

    Can you tell me what ne t'en fais pas means?

  102. 8th grade Math

    I'm actually in 7th grade, but I'm doing 8th grade pre-algebra, but anyway, here: I'm supposed to simplify these four problems and I don't really understand how: 28s (15 power) ____ 42s (12 power) 4m+(n[7th power]m) 63m(5 power)n(6 power)

  103. calculus

    What analytic method steps are required to find the limit of cos x-1/2x^2 ? Limit greater than 0. Estimating -0.25 but stalled ....

  104. math

    five 150ml cans of perfrct prt dog food $1.26. twelve 400ml cans of doggies love it for $7.38. ten 150ml cans of rover's chow for $2.60. six 400ml can of man's best forend for $3.94. Which pet food should ms.jones buy? explain in as many differnt ways as

  105. math

    Use symbolic Math symbolic representation: 1. The Density of a rock is the ratio of its mass to its volume.

  106. social studies

    information about southern colonies

  107. ETH/125

    List two to three characteristics of orientalism

  108. 11th grade

    Lo que se hace despues de la clase de educacion fisica.

  109. Inequalities

    Shelby's test scores are 99, 91, and 85. If she must average at least 90 points to get an A in the class, what must she earn on the next test? Okay so this was my equation but it came out completely wrong. 99+91+85+x greater than or equal to 90 So what

  110. Calculus

    Use cylindrical shells to find the volume V of a right circular cone with height 7h and base radius 4r.

  111. science

    Yu learn that for every 1,000 meters you rise in the atmosphere, the temperature drops by 6 degrees C. You have the idea that if you know the temperature at the base of a mountain and its height, you can figure out the temperature at the top of the

  112. science

    You observe that one fox eats 100 rabbits each year. You have the idea that every increase of one in the fox population will cause the rabbit population to decrease by 100.

  113. calculus

    Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the y-axis. y=4/x, y=0, x=2, x=3 I know you have to integrate from 2 to 3 but im not sure what the integral should be

  114. math needed by 12midnight

    How can you determine if two lines are perpendicular? How can you tell if two lines are parallel? State whether the following sets of lines are parallel, perpendicular or intersecting. Then explain why. 1) y = x + 4 y = x - 3 2) y = 3x - 7 y = -1/3 x + 10

  115. Geography

    Why is Cairo an important city?

  116. s.s.

    which eurpoean countries make up the iberian paninsula?

  117. media

    what question can I ask about oratory??

  118. CHEMISTRY

    Given the following standard reduction potentials in acid solution: MnO4- + 8 H+ + 5 e-® Mn+2 + 4 H2O E°cell = 1.51 V Co+2 + 2 e-® Co E°cell = -0.28 V Cr+3 + 3 e-® Cr E°cell = -0.74 V The strongest oxidizing agent listed above is: Cr3+. Cr. Mn2+.

  119. English

    Can you please check the grammar in the following sentences? Thank you very much. 1)A French boat took Marlow to Africa. In the beginning Kurzt was just a voice for him. 2 a)Then, he says (?) Kurzt became the jungle itself because the jungle had taken him

  120. Espanol

    I really need help finding spanish adjectives starting with the letters "j" and "n" to describe other people.

  121. CHEMISTRY

    Given a cell based on the spontaneous reaction 2AgCl(s) + Zn(s) ® 2Ag(s) + 2Cl– + Zn2+ If the zinc ion concentration is kept constant at 1 M, and the chlorine ion concentration is decreased from 1 M to 0.001 M, the cell voltage should increase by 0.06 V

  122. physics

    The left ventricle of the heart accelerates blood from rest to a velocity of +26 cm/s. (a) If the displacement of the blood during the acceleration is +1.9 cm, determine its acceleration (in cm/s2). (b) How much time does it take for the blood to reach its

  123. health and disuss

    Does culture have a relationship to health service utilization? Why?

  124. social studies

    your friend rose gave the following answer to the last question in your classroom geography bee: the states that border kansas are nebraska on the north,oklahoma on the south, colorado on the east and missouri on the west did rose win the contest? why or

  125. English

    Posted by rfvv on Wednesday, September 8, 2010 at 1:42am. 1. Based on the sketches he drew outside, Degas painted in his studio. 2. As/While he was based on the sketches he drew outside, Degas painted in his studio. 3. When he was based on the sketches he

  126. Biology

    What can you say about the amount of hydrogen ions relative to the amount of hydroxide ions in a solution that has a pH of 2?

  127. biology

    Are all mixtures solutions? Are all solutions mixtures? Give an example.

  128. English

    1. The dog sits under my desk. 2. The dog is sitting under my desk. (What is the difference between Sentence 1 and Sentence 2? What is happening in #1? Is the dog under the desk now or not? I think in Sentences 2, the dog is under my desk. What about in

  129. math

    What is the value of 7n when n is 7,565?

  130. physics

    The other end of the rope in the previous question is attached to a 44kg mass. As the boy pulls on the rope, the mass rises 25 cm. How much work is done on the mass?

  131. College Physics

    A red car and a green car, identical except for color, move toward each other in adjacent lanes and parallel to an x-axis. At time t=0, the red car is at x sub r = 0 and the green car is at x sub g = 220m. If the red car has a constant velocity of 20km/h,

  132. us history

    how did england's preoccupation with its civil war affect the colonies?

  133. ancient egypt

    what social classes made up egyptian society.

  134. social studies

    people in southern argetina north to find warmer temperatures. why is this so

  135. Finance

    A bond has a $l000 par value, l0 years to maturity, a 7 percent annual coupon, and sells for $985. a. What is its current yield? b. What is its yield to maturity c. Assuke that the yield to maturity remains constant for the next 3 years, what will the

  136. Algebra

    3m - 10 = 2(4m -5)

  137. English

    1. You need to check the time. (What kinds of time should be checked acording to the sentence? Does ' check the time' have a lot of meaning according to the context? Does it also mean "Check what time it is now.?"

  138. chemistry

    A gas has a density of 5.56 g/l. What volume in mL would a 4.17 g of this gas occupy?

  139. math 9

    6X^12-18X^9+18^8-54X^5-36X^3+108

  140. MATH

    A circular water stain on your home ceiling had a diameter of about 4 inches across on Monday at 8 A.M. On Tuesday at the same time it was about 5.3 inches across. The unit for time is days. (1) Calculate the growth rate as a percentage to at least the

  141. Calculus

    Find the area between the x-axis and the graph y = x^2 – x + 1 from x = 0 to x = 3.

  142. MATH

    Time and money are always significant. Look at this scenario. You can either do your own yard work or you can pay someone to do it for you. You find that it takes you about 50 minutes to clip, mow, and otherwise clean up your yard each time you do it. You

  143. Economics

    is economic equality possible and would it be socially just?

  144. physics

    Two point charges are on the y-axis. A 3.0 µC charge is located at y = 1.35 cm, and a -2.04 µC charge is located at y = -1.50 cm. (a) Find the total electric potential at the origin (V) (b) Find the total electric potential at the point having

  145. MATH

    We do not provide the units for your answers. Do no type them in the answer box. Enter the numerical value or calculations only. You drove 2695 miles in 35 hours. (1) What is your average rate of change? (2) Suppose you can drive that distance at a legal

  146. sentences

    write sentence using the word grams

  147. 9th grade

    solve 3 - (2t + 5) = -12

  148. Geometry

    A wooden board is placed so that it leans against a loading dock to provide a ramp. The board is supported by a metal beam perpendicular to the ramp and placed on a 1 ft. tall support. The bottom of the support is 9 feet from the point where the ramp meets

  149. 9gr

    What is the distance between the points (5, 10) and (-4, -2) in the xy-plane? 12 9 15 10

  150. 10th grade

    Write each power as a product of the same factor. 5^4 a. 5 × 5 × 5 × 5 b. 4 × 4 × 4 × 4 × 4 c. 5 × 5 × 5 × 5 × 5 d. 5 × 5 × 5 My answer c.

  151. physics

    While standing on a bridge 15.0 m above the ground, you drop a stone from rest. When the stone has fallen 5.00 m, you throw a second stone straight down. What initial velocity must you give the second stone if they are both to reach the ground at the same

  152. Math - factoring

    Solve by factoring: 1.) x^2 - x - 12 = 0

  153. Anatomy

    If you stand with your arms down at your sides and lift them up to shoulder height is that Adduction or Flexion?

  154. physics

    a object is traveling horizontaly when it reaches a 50meter drop how fast must the object be traveling to land 90 meters away from the edge of the drop

  155. 12th grade - Math

    Justify your answer: 1.) Which line is steeper? y= 4/3x - 5 or y= 6/5x - 1 2.) Does the slope of line AB exist? A (-2,7) B (-2,-1)

  156. Algebra

    Is this equation true or false? Why? 20-4ã2=16ã2 With like radicands should I add the 4 to the other side of the equation? I'm really lost. Can someone please explain this to me?

  157. calculus

    Use the Upper Bound theorem to find an integral upper bound and the Lower Bound Theorem to find an integral lower bound of the zeros of the function. 3x^4 - x^3 - 8x^2 - 3x - 20. This is one of the problems from my summer review and I can't find anything

  158. L PreCal

    A typical record album is 12in in diameter and plays at 33 1/3 revolutions per min. What is the angular speed of a record album? Can someone show me how to do this?? I'm so lost!!

  159. Algebra 117

    Is this equation true or false? Why? ãa+ãb=ãa+b Okay radicals are killing me. Please explain this to me

  160. algebra

    12x-6=9x

  161. Finance

    The present value of a $4,350 savings account that will earn 8 percent interest for 7 years.

  162. management

    What are the main differences in the responsibilities of top managers versus middle managers.

  163. management

    What distinguishes a first line manager from a team leader? How do companies determine that employees would be good managers?

  164. space

    How could measuring the orbit of a comet help scientists understand when it will next be visible from Earth?

  165. L PreCal

    A typical record album is 12in in diameter and plays at 33 1/3 revolutions per min. What is the angular speed of a record album? Can someone show me how to do this?? I'm so lost!!

  166. physics

    How loud is too loud? When is a sound too loud? What can be done about sounds/noises that are too loud for you?

  167. algebra II

    need help solving the equation 5y-14+7y-20y

  168. 9 gr

    Write each product in exponential form. 16 × 16 × 16 × 16 × 16 a.5^16 b.16^5 c.16^6 d.16^4 my answer 16^5

  169. expository essays

    i do not know how to do the above. Can you walk me throw it? Or where can I finda a sample paper and follow it with my own essay title?

  170. Math-12th grade

    #1. The pressure P of a compressed gas is inversely proportional to the volume V. If there is a pressure of 35 pounds per square inch when the volume of gas is 400 cubic inches, find the pressure when the gas is compressed to 100 square inches. #2. A

  171. 11th grade

    Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours? Visit the Calvinism

  172. algebra

    Abraham Lincoln, gettysburg address begins with the phrase (four score and seven years ago.) He was refering to a period of time that was 87 years long. How many years are represented by a score? is the answer 2 or is it 12.43

  173. statistics

    In a research study with an effect size of .20, the populations of individuals have an overlap of about:

  174. accounting

    What role might an accounting professional play in ethical corporate decision making? Should an accounting professional play a role even when he or she is not the final decision maker? Explain your answer.

  175. statistics

    A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular job-skills training program. The cutoff "t" needed is -1.8333. The standard deviation of the

  176. Reading

    Help unscramble these immediately esplsl ziadrw anvihs amcaigni dspiaearp umiystroes aennctedh

  177. Physics

    an astronaut drops a feather from 1.2 m above the surface of the moon. if the acceleration of the gravity on the moon is 1.62 m/s down , how long does it take the feather tho hit the surface

  178. Maths

    almudena has cut three quarters of a rope to 3 m in length and daniel has cut 3 / 5 of another of 4 m. ? which of the two pieces are longer

  179. Physics

    If the stone strikes the ground 65 m away, find the time of flight and initial speed? Vxi = 17.7 m/s Vyi = 8.636 m/s xi = yi = 0, yf = -65.0 m, ay = -g, and vi = 19.7 m/s This is my work so far: trying to find t: 4.9t^2 - 8.636 -65=0 Then I used the

  180. science

    Which of the following climatic regions describes two different parts of the country? a) Dry warm b) Wet warm c) dry cool d) Wet cool e) All of the above e

  181. physics

    If your mass is 56 m/s, what is your acceleration? ____m/s

  182. statistics

    Effect size is a measure of:

  183. spanish

    i need help on this stem changer tu (pensar)______ que tener un perro es una cosa buena

  184. statistics

    A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular job-skills training program. The cutoff "t" needed is -1.8333. The standard deviation of the

  185. science

    soil_________ a) is completely composed of living matter b) characteristics determine what plants can grow in it c) can be formed quickly d) is acidic if it contains a great deal of moss e) contains only inorganic matter b

  186. plz help me for math

    6X^12-18X^9+18^8-54X^5-36X^3+108

  187. statistics

    A research article included the following table: Mean Score on Four Questionnarie Scales Before and After the Experimental Manipulation. Questionnaire Before After Change Dominance 18.42 16.31 -2.11 Independence 17.25 21.38 4.13** Conformity 18.97 17.20

  188. maths

    rationalise 5+2square root 5 divided by square root 5. please can someone help me on how to get the answer 2+square root 5

  189. finding boiling points of solutions

    What is the boiling point (in degrees Celsius ) of each of the solutions below? For water, Kb = 0.51 (Degrees C * kg)/mol The vapor pressure of water at 45.0C is 71.93 mm Hg. 1. A solution of 15.0g of urea, CH4N2O, in 164 g of water at 45.0 degrees C. For

  190. statistics

    A research article included the following table: Mean Score on Four Questionnarie Scales Before and After the Experimental Manipulation. Questionnaire Before After Change Dominance 18.42 16.31 -2.11 Independence 17.25 21.38 4.13** Conformity 18.97 17.20

  191. physics

    You are trying to slide a refrigerator across a horizontal floor. The mass of the refrigerator is 199 kg, and you need to exert a force of 343 N to make it just begin to move. (a) What is the coefficient of static friction between the floor and the

  192. algebra

    x=8

  193. statistics

    A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a

  194. 6th grade

    what is a controlled varible

  195. chemistry

    What is the correct formula for an ionic compound that contains aluminum ions and sulfide ions? The answer is Al2S3. How did they get this answer?

  196. English

    1. He gave me roses on Christmas. 2. He gave me roses at Christmas. 3. He gave me roses on Christmas time. 4. He gave me roses at Christmas time. (Which one is right? Can we use other prepositions before 'Christmas' or "Christmas time'?)

  197. british literature

    Name the literary element in each quotation.Defend your answer using the definition of the element. 1-"A sudden little river crossed my path/As unexpected as a serpent comes" "Childe roland to the Dark Tower Came" 2-"if i promised,i believe/i should fret

  198. Chemistry

    Ti(CH3CH2OH+HCl+C2H6O

  199. chemistry

    A single 4p orbital can hold how many electrons? i got 6 is that correct or no?

  200. Chem

    Would conducting electricity be considered a physical or chemical property of ZINC i got phyiscal but just want to make sure.

  201. Physics

    Convert 341 m/s into km/h. (I have to leave the final answer to the correct number of digits according to the certainty rule for multiplying and dividing)

  202. chemistry

    Would Conducting electricity be considered a physical or chemical property of zinc i got physical but just want to make sure.

  203. physics

    A helicopter is ascending vertically with a speed of 6.50 m/s. At a height of 55 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial speed equals the

  204. Math

    If there are forty new students in a class and the students have to shake each others hand once, how many hand shakes will occur? Pleas help me i am confused.............:(:( i need a formula

  205. chemistry

    A 2.000g sample of FeF2 times xH2o is dried in an oven. When the anhydrous salt is removed from the oven, its mass is 0.789g. What is the value of x?

  206. maths

    rationalise 5+2square root 5 divided by square root 5. please can someone help me on how to get the answer 2+square root 5

  207. physics

    a plane travels 5.0 x 10^2 while being accelerated uniformly from rest at the rate of 5.0 m/s. what final velocity does it attain?

  208. algebra two

    -11/ (-1/2)

  209. Phyics

    A ship is first seen on a radar screen to be 13 km east of the radar site. Some time later, the ship is at 16 km northwest. What is the displacement of the ship from the first location it is seen at?

  210. algebra 1

    (x+5)(x+2) (x-2)(x-2) (x+5)(x-12) (3c-4d)(2c+5d) (5x-3)(3x-8)

  211. Physics

    24. 0/3 points All Submissions Notes Question: Walker2 3.P.015. Question part Points Submissions 1 2 3 0/1 0/1 0/1 0/7 3/7 2/7 Total 0/3 A vector A has a magnitude of 49.0 m and points in a direction 20.0° below the x axis. A second vector, B, has a

  212. rounding

    (a) 455 cal to joules thats 1 903.72 joules but i need to round it to 3 sig figs how do u do that?

  213. English

    Thank you very much for your cooperation. Can you please check some more sentences? 1) His soul had gone mad as a result of his solitude in the wilderness. 2) He struggled against the madness of his soul that, however, recognized no limits and ad no faith

  214. Math

    Can the product law of logarithms be used to evaluate log(-2) + log(-3)? I know that a negative logarithm is undefined. However, the product law will give: log(-2)(-3) =log(6) =.7782 Is this allowed? Thanks for your help.

  215. algebra II

    12/3/4

  216. 9th

    Evaluate each expression. 9 ¸ 3 + 3 ´ 4 a. 24 b. 15 c. 17 d. 6 MY ANSWER 15??????

  217. math

    (x+5)(x+2) (x-2)(x-2) (x+5)(x-12) (3c-4d)(2c+5d) (5x-3)(3x-8)

  218. ENGLISH

    Ovid's poetry is a source of classical mythology. His poetry itself is very creative and beautiful. His most famous and familiar are myths, including the stories of Dophne, pyramus and Apollo. The main theme of the Metamorphoses is “change”. Ovid’s

  219. Math(Please help)

    1) An expression that occurs in calculus in given. Reduce the expression to lowest terms. (2x + 5) 4x - 2x^2(2) / (2x+5)^2 I have no idea what to do for this. 2) Simplify the expression. Express the answer so that only positive exponents occur. Assume that

  220. maths

    how do you get 2*5+5squared root 5 to become 2+sqrt5 ?

  221. Math

    There is something wrong with this definition for a pair of vertical angles: “If AB and CD intersect at point P,then APC and BPD are a pair of vertical angles.” Sketch a counterexample to show why it is not correct. Can you add a phrase to correct it?

  222. reading

    i need help on a project about ceres/demeter so could you please give me web site. i've checked google and .mlahanas.de/Greeks/Mythology/Demeter.html

  223. 9gr

    1. At 11:00 a.m. a one-meter-high mailbox casts a 0.7-meter shadow. If a pole beside the mailbox casts a 28-meter shadow, how tall is that pole? 400 m 40 m 0.4 m 4 m

  224. physics

    A boy sledding down a hill accelerates at 2.00 m/s2. If he started from rest, in what distance would he reach a speed of 5.20 m/s?

  225. Geography

    1. The statement, "Paraguay is one of two landlocked South American nations" describes what type of region? a.cultural b.economic c.physical d.political 2. The statement, "Farmers in this area benefit from a long growing season" describes what type of

  226. physics

    You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?

  227. physics

    You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?

  228. physics

    You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?

  229. math

    How do you express this in sum of the digits 5500 ps. I don't understand the meaning of sum of the digits, would you mind explaining the meaning?? thank you soo much!

  230. Math-Derivatives!!!

    -4x^4 x^1/2+(-7/(x^2 x^1/2))

  231. literature

    if this be error and upon me proved, i never writ, nor no man ever loved.

  232. 8th Grade Algebra

    3m - 10 = 2(4m -5)

  233. College Physics

    A red car and a green car, identical except for color, move toward each other in adjacent lanes and parallel to an x-axis. At time t=0, the red car is at x sub r = 0 and the green car is at x sub g = 220m. If the red car has a constant velocity of 20km/h,

  234. math

    what is a quadrangle with two pairs of parrallel sides all angles are right i am not a square what am i

  235. Pre-Algebra

    Write a variable expression for 9 less than k

  236. college physics

    a 1.50 kg. water is inside a cylindrical jar 4 cm. in diameter. what is the pressure at the interior bottom of the jar?

  237. precal - types of functions

    Spider Industries is a U.S.-based company that test-marketed an electronic cobweb destroyer in Japan. The company's revenue, R, is a function of the number of destroyers sold, x, using the following formula R = 160x -0.2x^2. What type of function did

  238. Continents

    I need to know if these are all the continents and the correct spelling for a quiz tommrow. --Africa Aisa Auntartica Austraila North America South America Eroupe-- THANKS!!! :D

  239. algebra

    You are putting a stone borderof uniform width around a rectangular garden that measures 6 yards by 15 yards. You only have enough stone to cover 100 square yards. How wide should the border be? Solve using the 5 step process.

  240. 9gr

    Evaluate each expression. 7 + (3 + 12 / 2)^2 a. 16 b. 88 c. 46 d. 256 I think 88 ????????

  241. english

    say about your family?

  242. chemistry

    2.48 x 10-3 eV What would be the rest mass of a particle with that energy (in kg units)?

  243. Spanish

    How would I write: I have known her for 5 years? Hace conozco cinco anos?

  244. com156

    what are three challenges that may arise when writing a persuasive paper?

  245. french

    Please correct my French homework.? I try my best... I translated English to French. Merci d'avance The prince tries to follow her but it seems that it is too late. He is disappointed in her. He sits down on the stair. He feels hopeless and thinks that he

  246. Spanish

    How would I say: He is not tall or short? No, El es alto o bajo?

  247. math

    What do you use to graph? What steps would you take to solve: -2x + 5y = 14 3x + 2y = 17

  248. world history

    what social clasess existed within the feudal system?what were the definig charaacteristic of each class?

  249. math

    What are parallel and intesecting

  250. Geography

    Why is rice important to the Middle East?

  251. 9gr

    3.What is the next term in the sequence below? 8, 27, 64, 125, ... 216 343 18 10

  252. Algebra 116 Help Please

    why the line x = 4 is a vertical line. Name three points on the line represented by x=4. Then explain why, when we connect these points, the line goes straight up and down and does not slant to the left or right. Is the three point becasue on a graph we

  253. math

    simpilify 2p+22psquared-2

  254. 9th grade math

    x to the 2nd power if x = 3/4 how do you find 3/4th to the 2nd power? 3/4th times 3/4th right? so the answer would be 9/16ths.. right?

  255. Math

    Test each number for divisibility 2,3,5,and 10? 48,960

  256. math

    simpilify 2p+22psquared-2

  257. Math(Please check answers)

    Factor completely. If the polynomial cannot be factored say it is prime. 1) 15x^3 + 19x^2 + 6x A) (3x^2 +2)(5x+3) B) x(3x+2)(5x+3) C) x^2(3x+2)(5x+3) D) x(5x+2)(3x+3) E) Prime I chose E) Prime. 2) 2x^2 - 14x - 6x + 42 A) 2(x+7)(x+3) B) (x+7)(2x-6) C)

  258. physics

    A train slows down as it rounds a sharp horizontal turn, slowing from 87.4 km/h to 44.6 km/h in the 16.1 s that it takes to round the bend. The radius of the curve is 180 m. Compute the acceleration at the moment the train speed reaches 44.6 km/h. Assume

  259. art

    what is a free form shape

  260. maths

    rationalise 5+2square root 5 divided by square root 5. please can someone help me on how to get the answer 2+square root 5

  261. Math(Please help)

    1) An expression that occurs in calculus in given. Reduce the expression to lowest terms. (2x + 5) 4x - 2x^2(2) / (2x+5)^2 I have no idea what to do for this. 2) Simplify the expression. Express the answer so that only positive exponents occur. Assume that

  262. economics

    If q(P) = 100/P and c(q) = q2 , what is the optimal level of output of the monopolist?

  263. math

    52 legs, there are 16 animals, how many chickens and pigs are there

  264. 8th grade math

    The perimeter of a square with a side length of s is given by the expression 4s, what is the permiter of the square shown? and on one of the sides it says 7.5m How would I answer this?

  265. Math

    2x cubed minus x squared minus 6x plus 3. I know the answer is (2x-1)(x squared-3). Please help me with how they got that answer. Thank you!

  266. world history

    So do you think that Caesar was a tyrant, if so why? I personally don't because he tried to alot of good I think but I want someone else's opinion

  267. history

    what factors most influenced colonial development and why?

  268. algebra

    the perimeter of a triangle is 53 inches.the second side is 3 inches longer that the first side the third side is 1.5 times the lenght of the second side. what is the lenght of each side

  269. 10th grade

    A computer manufacturer assembled 21,000 computers in October. For the month of November, they expect to double production. If a worker can assemble one computer per day, how many workers will be needed to complete the job in 28 days? a. 1,500 workers b.

  270. Math

    Sketch a graph of the equation y=-x^2 + x + 10 for x=0...x=4 i think that the equation y=-x2+x+10 is a parabola and for the x values that were given am i suppose to plug in?

  271. Math

    2x cubed minus x squared minus 6x plus 3. I know the answer is (2x-1)(x squared-3). Please help me with how they got that answer. Thank you!