Questions Asked on
March 3, 2010

  1. Physics

    An uncharged capacitor is connected to the terminals of a 3.0 V battery, and 9.0 uC flows to the positive plate. The 3.0 V battery is then disconnected and replaced with a 8.0 V battery, with the positive and negative terminals connected in the same manner

    asked by JOTHEY
  2. Chemistry

    A given volume of nitrogen, N2, rewuired 68.3 s to effuse from a hole in a chamber. Under the same conditions, another gas required 85.6 s for the samw volume to effuse. What is the molecular mass ?

    asked by Anonymous
  3. chemistry 106

    The first step in the industrial recovery of zinc from the zinc sulfide ore is roasting, that is, the conversion of ZnS to ZnO by heating. 2 ZnS(s) + 3 O2(g) → 2 ZnO(s) + 2 SO2(g) ΔH = -879 kJ/mol Calculate the heat evolved (in kJ) per gram of ZnS

    asked by Tanisha
  4. Physics

    Two objects moving with a speed v travel in opposite directions in a straight line. The objects stick together when they collide, and move with a speed of v/10 after the collision. (a) What is the ratio of the final kinetic energy of the system to the

    asked by Zane
  5. Physics

    A car travels 20km due north and then 35km in a direction 60 degree west of north. Find the magnitude and direction of the resultant.

    asked by Chinedu
  6. physics

    In the high jump, Fran's kinetic energy is transformed into gravitational potential energy without the aid of a pole. With what minimum speed must Fran leave the ground in order to lift her center of mass 1.95 m and cross the bar with a speed of 0.70 m/s?

    asked by Justin
  7. physics

    A 1300-kg car rolling on a horizontal surface has speed v = 65 km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.3 m. What is the spring stiffness constant of the spring?

    asked by Justin
  8. Physics

    Two uncharged metal spheres, spaced 20.0 cm apart, have a capacitance of 28.0 pF. How much work would it take to move 14.0 nC of charge from one sphere to the other? *Please report answer in Joules.

    asked by JOTHEY
  9. Physics

    Figure 6-24 shows an initially stationary block of mass m on a floor. A force of magnitude 0.540mg is then applied at upward angle 16 degrees. What is the magnitude of the acceleration of the block across the floor if (a)Us=.6 and Uk=.5 and (b) Us=.4 and

    asked by Stan
  10. CHEMISTRY!!

    A student determined the calorimeter constant of the calorimeter. The student added 50.00 mL of cold water to 50.00 mK of heated , distilled water in a styrofoam cup. The initial temp of the cold water was 21,00C and the hot water, 29.15C. The maximum temp

    asked by Sydney
  11. Physics

    What is the apparent weight of a 75 KG astronaut 4200 km from the center of the earth's moon in a space vehicle.a) moving at constant velocity, and b) accelerating toward the moon at 209 m/s? state the direction in eachcase

    asked by Vim
  12. math

    rainbow Harbor Cruises charges $16/adult and $8/child for a round trip ticket. The records show that on a certain weekend, 1200 people took the cruise on saturady and 800 people took the cruise on sunday, The total receipte for saturday were $13,600 and

    asked by nikki
  13. Chem = )

    Write the complete ionic equation for BaCl2 + NaOH ----> Al2(SO4)3 + BaCl2 ---> Al2(SO4)3 + NaOH ---> NaOH + Zn(No3)2 ---> BaCl2 + NaI --->

    asked by Lauren
  14. Physics

    The collision between a hammer and a nail can be considered to be approximately elastic. Estimate the kinetic energy acquired by a 15 g nail when it is struck by a 550 g hammer moving with an initial speed of 5.1 m/s.

    asked by Ryan
  15. fractions

    Claire cut some apples into eights. She ate all but 17 pieces. how many whole apples and parts of apples did she have left over?

    asked by emily
  16. chemistry

    Suppose you tried to combine 42 grams of magnesium with 42 grams of oxygen. Which of the two substances would have some left after the reaction and how much magnesium oxide would be formed?

    asked by tony
  17. physics

    Three forces acting on an object are given by F1 = ( - 1.85i + 2.50j) N, F2 = ( - 5.10i + 3.25j ) N, and F3 = ( - 45.0i + 48.0j ) N. The object experiences an acceleration of magnitude 3.75 m/s2. (a) What is the direction of the acceleration? _________°

    asked by anonymous
  18. pre calc

    A ramp leading to a freeway overpass is 470 feet long and rises 32 feet. What is the angle of inclination of the ramp?

    asked by kate
  19. trig

    A rear windshield wiper on a car has a total arm length of 10 inches and rotates back and forth through an angle of 95 degrees. The actual wiper blade is 7 inches long. Find the area of thr windshield that is being cleaned.

    asked by Sarah Fuller
  20. chemistry

    given the reactant amounts specified in each chemical eguation, determine the limiting reactant in each case: a. HCL+NaOH->NaCl+H2O 2.0 mole of HCl 2.5 mole NaOH b. Zn+2HCl->ZnCl2+H2 2.5 mole Zn 6.o mole HCl c. 2Fe(OH)3+3H2SO4->Fe2(SO4)3+6H2O 4.0 mole

    asked by christina
  21. Managerial Economics

    Suppose Bill is on a low-carbohydrate diet. He can eat only three foods: Rice Krispies, cottage cheese, and popcorn. The marginal utilities for each food are tabulated below. Bill is allowed only 167 grams of carbohydrates daily. Rice Krispies, cottage

    asked by Nauman
  22. chemistry

    the number of moles of oxygen gas needed to react with 4.0 moles mg is

    asked by rosie
  23. physics help!!!

    A hypothetical spherical planet consists entirely of iron (p=7860kg/m^3). Calculate the period of a satellite that orbits just above its surface. I really can't solve this! No other information was provided. Please and thank you

    asked by Anonymous
  24. spanish

    does "fin" have an accent?

    asked by alex
  25. CHEMISTRY

    Nitrogen and hydrogen react to form ammonia. Consider the mixture of N2 and H2 in a closed container as illustrated below. The container contains 6 hydrogen atoms and 6 nitrogen atoms (all diatomic) Assuming the reaction goes to completion, draw a

    asked by Mary
  26. trig

    A rear windshield wiper on a car has a total arm length of 10 inches and rotates back and forth through an angle of 95 degrees. The actual wiper blade is 7 inches long. Find the area of thr windshield that is being cleaned.

    asked by Sarah Fuller
  27. Gr. 12 College English

    I can't seem to figure out the tone of the narrator in "The Lottery Ticket", and how it is established.

    asked by AL 87
  28. Chemistry

    Commercial bleach contains 5.25% (by mass) of NaClO in water. It has a density of 1.08 g/mL. Calculate the molarity of this solution. (Hints: assume you have 1 L of solution (mass 1080 g); molar mass of NaClO is 74.4 g/mol)

    asked by Drew
  29. chemistry

    Would you expect ortho-dimethoxybenzene or para-dimethoxybenzene to be nitrated more readily? Justify your choice briefly.

    asked by Niki
  30. Trig.

    prove 2csc(2x)= csc(x)^2tanx

    asked by Kyler
  31. physics

    A skier with a mass of 70 kg starts from rest and skis down an icy (frictionless) slope that has a length of 52 m at an angle of 32° with respect to the horizontal. At the bottom of the slope, the path levels out and becomes horizontal, the snow becomes

    asked by Larry
  32. physics

    How much work must be done to stop a 1150-kg car traveling at 145 km/h?

    asked by Justin
  33. chemistry 106

    Methanol, ethanol, and n-propanol are three common alcohols. When 1.00 g of each of these alcohols is burned in air, heat is liberated. Calculate the heats of combustion of these alcohols in kJ/mol. (a) methanol (CH3OH), -22.6 kJ (b) ethanol (C2H5OH),

    asked by Tanisha
  34. chemistry

    Would you expect ortho-dimethoxybenzene or para-dimethoxybenzene to be nitrated more readily? Justify your choice briefly.

    asked by Niki
  35. chemistry 106

    A 0.1589 g sample of solid magnesium is burned in a bomb calorimeter that has a heat capacity of 1769 J/°C. The calorimeter contains exactly 251 g of water, and the temperature increases by 1.126°C. Calculate the heat given off by the burning Mg, in kJ/g

    asked by Tanisha
  36. chemistry

    A reaction is 50% complete in 34.0 min. 1.) How long after its start will the reaction be 75% complete if it is first order? 2.)How long after its start will the reaction be 75% complete if it is zero order? steps would be helpful

    asked by joe
  37. trig

    Verify the identity: sin(x+y)/cos(x-y)=cotx+coty/1+cotxcoty

    asked by Sarah Fuller
  38. chemistry

    Predict the sign of Delta S in the system for each of the following reactions. 2H3O^+(aq) + CO3^2-(aq) ---> CO2(g) + 3H2O(l) -,+, or 0?

    asked by Janice
  39. Social Studies

    World War I 1. The alliance system was supposed to prevent war, but it turned a local conflict into a general European war. Why did it fail so badly? 2. World War I cost Germany and other European countries on an economic and a social level. How were

    asked by Matthew
  40. physics

    What is the maximum speed with which a 1200-kg car can round a turn of radius 68 m on a flat road if the coefficient of static friction between tires and road is 0.80?

    asked by Justin
  41. SOCIAL STUDIES

    ANDREW JACKSON 1. What are details (2) of Indian removal policies that lead to the Trail of Tears? 2. Was the Trail of Tears a "triumph of democracy?" Why or why not?

    asked by Happy Face
  42. Math

    A famous golfer tees off on a long, straight 472 yard par 4 and slices his drive 11 degrees to the right of the line from the tee to the hole. If the drive went 285 yards,how many yards will the golfer's second shot have to be to reach the hole?

    asked by Anonymous
  43. Physics

    A sled is initially given a shove up a frictionless 24.0° incline. It reaches a maximum vertical height 1.10 m higher than where it started. What was its initial speed?

    asked by Luricela
  44. Trig.

    Prove sin(4x)= (4sinxcosx)(2cos(x)^(2)-1

    asked by Kyler
  45. chemistry

    Commercial bleach contains 5.25% (by mass) of NaClO in water. It has a density of 1.08 g/mL. Calculate the molarity of this solution.

    asked by Drew
  46. Chemistry

    Predict the sign of Delta S in the system for each of the following reactions. 2H3O^+(aq) + CO3^2-(aq) ---> CO2(g) + 3H2O(l) -,+, or 0?

    asked by Anonymous
  47. chemistry 106

    Which of the following standard enthalpy of formation values are not zero at 25°C? (Select all that apply.) H2(g) N2(g) Au(s) Be(s) H20(g) Ne(g)

    asked by Tanisha
  48. Chemistry (URGENT)

    I have a test soon. If you can help me with these questions, that would be great. 1. Define and describe the following. a)Alkaline - metal - base b)Corrosive - burn/eat away - acid c)Caustic - harsh - both? (acid + base) d)Low pH - 0-6.99 - acid Please

    asked by John
  49. Math

    A reduced fat cookie vontains 6g of fat per serving. In order for food to be considered reduced fat, it must have at least 25% fat than the regular item. What can a person conclude about how much fat is in a serving of the regular cookie? How much fat does

    asked by B.B.
  50. physics help

    An amusement park ride consists of a car moving in a vertical circle on the end of a rigid boom of negligible mass. The combined weight of the car and riders is 5.1 kN, and the circle’s radius is 10 m. At the top of the circle, what are the (a) magnitude

    asked by Anonymous
  51. Chemistry

    i seriously do not understand the formula for this problem :( The reaction for the decomposition of dinitrogen monoxide gas to form an oxygen radical is: N2O(g)==>N2(g)+O(g) . If the activation energy is 250 kJ/mol and the frequency factor is 8.0 x 1011

    asked by Bababab
  52. Math

    A vet surveys 26 of his patrons. He discovers that 14 have dogs. 10 have cats. 5 have fish. 4 have dogs & cats. 3 have dogs & fish. 1 has a cat & a fish. Use a diagram to answer the following question: If no one has all 3 kinds of pets, how many patrons

    asked by Lindsay
  53. College Physics

    A 2.2 kg rock is released from rest at the surface of a pond 1.8 m deep. As the rock falls, a constant upward force of 5.0 N is exerted on it by water resistance. Let y=0 be at the bottom of the pond. Calculate the nonconservative work, Wnc , done by water

    asked by Kyle
  54. math

    find the missing length in this diagram showing a T-square. (reduce the radical to simplist form. 6 cm (one side of triangle) 3 cm ( other side of triangle) the third side (diagonal line conecting other two sides)= x cm.

    asked by veronica
  55. physics

    A balloonist, riding in the basket of a hot air balloon that is rising vertically with a constant velocity of 10.1 m/s, releases a sandbag when the balloon is 43.4 m above the ground. Neglecting air resistance, what is the bag's speed when it hits the

    asked by Jake
  56. CHEM

    1.) At what temperature will the rate constant for the reaction H2 + I2 to 2HI have the value 5.2×10−3 M^{-1}s^{-1}? (Assume k=5.4 *10^{-4}M}{-1)s}^{-1} at 599 K and k=2.8 * 10^{-2}M}^{-1}s}^{-1} at 683 K.) 2.)For the first-order reaction N2O5 to 2NO2 +

    asked by anonymous
  57. chemistry

    1.) At what temperature will the rate constant for the reaction H2 + I2 to 2HI have the value 5.2×10−3 M^{-1}s^{-1}? (Assume k=5.4 *10^{-4}M}{-1)s}^{-1} at 599 K and k=2.8 * 10^{-2}M}^{-1}s}^{-1} at 683 K.) 2.)For the first-order reaction N2O5 to 2NO2 +

    asked by anonymous
  58. Physics

    A sled is initially given a shove up a frictionless 24.0° incline. It reaches a maximum vertical height 1.10 m higher than where it started. What was its initial speed?

    asked by Luricela
  59. Physics

    The collision between a hammer and a nail can be considered to be approximately elastic. Estimate the kinetic energy acquired by a 15 g nail when it is struck by a 550 g hammer moving with an initial speed of 5.1 m/s.

    asked by Ryan
  60. Physics

    If five forces act towards the same point on a body at angles of 60, 120, 180, 240 and 270 degrees and their respective magnitudes are 60N, 40N, 30N, 25N and 20N. Determine whether this system of forces is in equilibrium; find the resultant.

    asked by Chinedu
  61. History

    Hello. I am doing an essay on the impact of the industrial revolution. I have done the intoduction and two paragraphs. Please can you give me some feedback. thanks What was the impact of the Industrial Revolution The Industrial Revolution was a period from

    asked by Ruth
  62. English Literature

    Each of the poems Ana and My papa's Waltz, write an essay to describe the relationship presented.

    asked by Devaughn
  63. bus. stats

    Given that math SAT scores are normally distributed (follow the empirical rule) m=500 Standard deviation=100 what is the math SAT score for someone who is in the 80th percentile of his or her class.

    asked by mike
  64. physics

    Three blocks are in contact with each other on a frictionless, horizontal surface, as shown below. A horizontal force is applied to m1. Take m1 = 2.00 kg, m2 = 3.00 kg, m3 = 5.00 kg, and F = 22.0 N Find the acceleration of the blocks _______m/s2 (to the

    asked by anonymous
  65. chemistry

    Phosphoric acid and barium hydroxide solutions mix to form water and solid barium phosphate. Write the word equation, skeletal equation, and the balanced equation for this word problem.

    asked by Joe
  66. Critical Thinking

    WHAT TYPE OF FACELLIES IS THIS QUESTION AND WHY: gave a radio interview (broadcast on National Public Radio) in which he said that the Church was against the use of condoms. Even though the rate of AIDS infection in Puerto Rico is much higher than on the

    asked by Tracie
  67. geometry 10

    Type a counter-example that would have to exist in order for the conclusion to be false. Every map that has ever been drawn can be colored with four colors so that no two regions colored alike touch at more than one point. Conclusion: Every map can be

    asked by amy s
  68. calculus

    There are four integrals: 1) definite integral x/(1+x^4)dx b/w 0_infinity 2) definite integral (x^2)/(1+x^4)dx b/w 0_infinity 3) definite integral (x^3)/(1+x^4)dx b/w 0_infinity 4) definite integral (x^4)/(1+x^4)dx b/w 0_infinity Which of these integrals

    asked by Carmen
  69. College Physics

    Part A) A 2.2 kg rock is released from rest at the surface of a pond 1.8 m deep. As the rock falls, a constant upward force of 5.0 N is exerted on it by water resistance. Let y=0 be at the bottom of the pond. Calculate the nonconservative work, Wnc , done

    asked by Kyle
  70. MATH need help

    A submarine was cruising at a depth of 153 m. It then rose at 4.5 m/min for 15 min. What was the submarine's depth at the end of this rise? If the submarine continues to rise at the same rate, how much longer will it take to reach the surface? My

    asked by Anonymous
  71. 11th grade

    What value of k will make 3x^2+kx)-4 an even function

    asked by Kayla
  72. Exploring Space

    I need to know about the 3 conditions which are need necessarily to travel to the stars. My answer is below. Please add any other information, thanks. Not so sure if my answer makes sense. 3 conditions which are needed neccessarily to travel to the stars

    asked by Sara
  73. Chem

    A student placed a mixture of BaO and CaO in a 1.46L flask containing carbon dioxide at 35C and 746mmHg. After the reactions were complete she found that the CO2 pressure had dropped to 2.40 x 10^2mmHg. How many moles of CO2 were consumed in the reactions?

    asked by Staci
  74. bus. stats

    Given that math SAT scores are normally distributed (follow the empirical rule) m=500 Standard deviation=100 what is the math SAT score for someone who is in the 80th percentile of his or her class.

    asked by mike
  75. physics

    Three blocks are in contact with each other on a frictionless, horizontal surface, as shown below. A horizontal force is applied to m1. Take m1 = 2.00 kg, m2 = 3.00 kg, m3 = 5.00 kg, and F = 22.0 N

    asked by diamond
  76. Environmental Science

    True or False 30. Three alternative energy sources are tidal power, ocean thermal energy conservation (OTEC), and hydrogen. True

    asked by y912f
  77. vocabulary

    Soldiers wear this greenish fabric named by Persians and Hindus so they can't easily be seen. "Is the answer khaki, kiosk, or camoflauge?"

    asked by sierra (6th grade)
  78. Math/Geometry

    Can you help me with this? Find the area of each regular polygon. Round to the nearest tenth. 1. an equilateral triangle with an apothem 8.9 inches long

    asked by Stan
  79. Chemistry

    The reaction: 2 HI==> H2 + I2, is second order and the rate constant at 800 K is 9.70 x 10-2 M-1 s-1. How long will it take for 8.00 x 10-2 mol/L of HI to decrease to one-fourth of its initial concentration?

    asked by Sleepy
  80. English

    Can someone please tell me who she is refering to as "you" in this poem? Also, what the poem means, beyond the literal level. Thank you :) Alone Lying, thinking Last night How to find my soul a home Where water is not thirsty And bread loaf is not stone I

    asked by Gaveen
  81. Statistics

    1. Use the following to answer questions: The table below presents the probability distribution for X = the number of email messages you will receive in the next 10 minutes. (9 pts) X 0 1 2 3 P(X) .35 .35 .25 .05 a. What is the probability that no emails

    asked by Denise
  82. HOME ECONOMICS

    WHAT ARE THE DISPOSAL OF FULNESS,THE METHODS USED TO CONTROL THM AND HOW ARE THEY CARRIED

    asked by SHIRLEY
  83. MATH214

    A tennis ball can in the shape of a cylinder holds three tennis balls snugly. If the radius of a tennis ball is 3.5 cm, what percentage of the tennis ball can is occupied by air?

    asked by Rebecca
  84. art

    Gina plans to invest $12,000, part at 4% simple interest and the rest at 6% simple interest. What is the most she can invest at 4% and still be guaranteed at least $650 in interest per year?

    asked by Anonymous
  85. chemistry 106

    Calculate the work done if a gas is compressed from 8.3 L to 3.3 L at constant temperature by a constant pressure of 3.0 atm, and give your answer in units of joules. (1 L · atm = 101.3 J)

    asked by Tanisha
  86. statistics

    2.0,3.7,4.9,5.0,5.7,6.7,8.5,and 9.0 what is the range? median? mean? mode?

    asked by latanya
  87. physics

    What is the minimum work needed to push a 850 kg car 940 m up along a 9.5 degree incline? Part A: Ignore Friction Part B: Assume the effective coefficient of friction retarding the car is 0.20.

    asked by Justin
  88. chemistry

    The pH of a certain acid having a concentration of 0.20 M was measured. The pH was 2.50. Was this a strong or a weak acid? I answered it is a strong acid because strong acids have a lower pH. I am just not too sure if there is anything missing in my

    asked by Billy
  89. English Literature

    Compare my Papa's walta with ana. they are both poems.

    asked by Devaughn
  90. SOCIAL STUDIES

    Does Andrew Jackson believe that the Trail of Tears was a triumph of American democracy?

    asked by Happy Face
  91. English

    I forgot to include the following sentences. Thank you very much for your invaluable help. 1) I went to church for (the) Christmas Mass. 2) How many hours (or just: how long is possible) did it take you to get there? 3) How many days (or just: how long)

    asked by Franco
  92. science

    where do scavengers go on the food web/ food chain? like on the top or botttom orr?

    asked by christina
  93. Biology

    Could someone help me with this question; Ectothermic organisms have body temperatures that vary with the temperature of their surroundings. Discuss the effect this variation might have on the functioning of enzymes in these organisms. Suggest some ways

    asked by Sarah
  94. enviromental science

    Describe the major problems in today's large cities and the cause of these problems

    asked by rod
  95. MATH

    HOW MANY DM ARE IN 7KM

    asked by JOSELYN
  96. chemistry 106

    Determine the amount of heat (in kJ) given off when 2.23 multiplied by 104 g of ammonia are produced according to the following equation. Assume that the reaction takes place under standard-state conditions at 25.0°C. N2(g) + 3 H2(g) 2 NH3(g) ΔH°rxn =

    asked by Tanisha
  97. psy/210

    Please explain homework Checkpoint Parenting Styles and Development Appendix F. Describe how three adults, each brought up under a different parenting style as a child might cope differently with one of the changes listed in the table

    asked by terry
  98. Binomial

    Help me on this one :( Express y= (7-3x-x^2)/[((1-x)^2)(2+x)] in partial fractions. Hence, prove that if x^3 and higher powers of x may be neglected, then y=(1/8)(28+30x+41x^2) I did the first part of expressing it in partial fractions. (Since it's very

    asked by Keira
  99. Precalculus

    Please help me with these questions ASAP!! Suppose that f(x)=log3(x-1) a)If f(6)=1.4 and f(8)=1.7,then evaluate log3(35) and log3(7/5). b)If f(3)=0.6, find log9(2).

    asked by jh
  100. Math

    suppose the temperature is -12 degrees F and rises 4 degrees every hour for 3 hours. What will the temp b then? Can you please help me write out the equation? Thanks

    asked by Kate
  101. CHEM

    If you are given only the time and Molarity for example Time Molarity 30s 0.678M 60s 0.762 M 70s 0.00987 M How would you find the constant rate? given only Molarity and time

    asked by anonymous
  102. English - final question

    I just cannot figure out what word matches this definition. "An object of person that represents a quality, idea, or condition."

    asked by AL 87
  103. 8th grade Math

    i need some explanation on Area of Trapezoids and Parallelograms....? can some body explain how to find the area?

    asked by Austin
  104. Chemistry

    Nitrogen and hydrogen react to form ammonia. Consider the mixture of N2 and H2 in a closed container. In this container there are 6 diatomic molecules of hydrogen and 6 diatomic molecules of nitrogen. assuming the reaction goes to completion draw a

    asked by student
  105. English

    I have to explain why Ivan's musings over winning the lottery ticket do or do not reveal his true character and feelings towards others. But I just can't seem to find the examples. This is from the short story, "The Lottery Ticket".

    asked by AL 87
  106. Biology

    19. The secondary xylem and phloem form from a. cork cambium b. vascular cambium c. apical meristems d. bark B? 7. A difference between beans and corn during germination is a. the cotyledons are above ground in the bean plant b. the corn shoot is hooked to

    asked by mysterychicken
  107. science

    What animal eats lions? What animal eats tigers? What animals eats wolves?

    asked by christina
  108. physics

    finding the bearing of a vector? when i am giving a vector like 56 m at 296 degrees do i have to find a bearing of 296 degrees or is it only when i get something like 296 degrees south of east

    asked by jake
  109. Spanish

    Rewriting this sentence in DIRECT OBJECT PRONOUNS. -Vamos a ver a mi actor favorito en el teatro.

    asked by Janie
  110. math

    3x+6

    asked by djones
  111. English II

    I really need some help on a good thesis statement on offshore drilling, and I am against it!

    asked by Kasey
  112. dynamics

    a mass m= 10kg is hanging from the end of a spring. intially the spring is unstretched when the mass is pushed perfectly downward with an initial velocity of 1 m/s. the spring constant is k=400n/m and the acceleration of gravity is g=9.81m/s^2. find the

    asked by Big Rich
  113. math

    there is a playground shaped like a rectangle 40 feet wide and 80 feet long.what is the perimeter of the yard?

    asked by vanessa joeph garica fernandez
  114. Finance

    The Sterling Tire Company’s income statement for 2008 is as follows

    asked by hanad
  115. math

    In 1991 the population of Kenosha, Wisconsin, was 132,000. Between 1991 and 1996, the population of Kenosha increased by approximately 2000 people per year Question: Use the model to estimate the population of Kenosha in 2006

    asked by Lilly
  116. psychology

    According to the Gate-Control Theory of pain: a)we cannot control the gate through which pain enters or is emitted back from the brain b)the gate for pain is open only for survival instincts c)pain cannot pass through these special units (gates) d)we can

    asked by vedrana
  117. buffers

    9.00mL of 1.10M CH3COOH and 1.00mL of 0.900M CH3COO- what is the pH?

    asked by Reen
  118. trig

    Prove: 1-sinx/1+sinx=sec*2x-2secxtanx+tan*2x

    asked by Sarah Fuller
  119. math

    find a polynomial with integer coefficients such that square root of 3 + square root of 5 is a root of the polynomial

    asked by nancy
  120. algebra

    Y=2x-5\3y-5

    asked by Anonymous
  121. algebra

    If is a line whose equation is y= 2x - 1, find the equation of the image of under each of the following translations: in book explanation a. (x, y) S (x, y - 2) b. (x, y) S (x +3, y) c. (x, y) S (x - 3, y + 2)

    asked by Rebecca
  122. math

    two lines intersect in a plane and form four angles. one of the angles formed by this intersection is a 53degree angle. What are the measures of the other three angles? explain your answer

    asked by zay
  123. MATH need help

    Two wooden poles measured 1.35m and 0.83m in length. to make a new pole thay were attached by overlapping the ends and tying them together. the length of the overlap was 12cm. what was the total length of the new pole in metres? How do you do this?

    asked by Anonymous
  124. physics

    need help decomposing theses vectors to x and y 52.9 meters at 19 degrees rectangular cor-ordinate system

    asked by jake
  125. psychology

    According to the Gate-Control Theory of pain: a)we cannot control the gate through which pain enters or is emitted back from the brain b)the gate for pain is open only for survival instincts c)pain cannot pass through these special units (gates) d)we can

    asked by vedrana
  126. science

    my first is VAN but not in PAN,my second is EARTH and also in HEAVEN,my third is ONE and not in two,my fourh is in BUN and also in FUN,my last is in STAR but not in RADAR,i am a planet that moves round the sun.name the planet.

    asked by shubham
  127. Physics

    A hypothetical spherical planet consists entirely of iron (p=7860kg/m^3). Calculate the period of a satellite that orbits just above its surface. I really can't solve this! No other information was provided. Please and thank you

    asked by Anonymous
  128. childcare

    the formation of childrens core values is most strongly influenced by?

    asked by sally
  129. Exploring Space

    y is a chemical rocket incapable of getting us to our nearest neighbor proxima centauri? Is it incapable of not getting us to our nearest neighbor proxima centauri because there isn't enough fuel in the universe to provide for the rocket?

    asked by Sara
  130. math

    solve useing the addaditon and multiplication 6-6x > 3-5x x>?

    asked by jessica
  131. English

    1. As you have the more,you want the more. 2. The more you have, the more you want. 3. The taller you become, the wiser you become. 4. The older you become, the weaker you become. 5. The happier you are, the healthier you look. 6. The more you study, the

    asked by rfvv
  132. college

    in the following sentence i have to add an adjective clause at the indicated point. Companies that.....are prospering more today than firms that..... How do I answer that???

    asked by Jordan Smith
  133. Biology

    Can you guys please just help me out? 19. The secondary xylem and phloem form from a. cork cambium b. vascular cambium c. apical meristems d. bark B? 7. A difference between beans and corn during germination is a. the cotyledons are above ground in the

    asked by mysterychicken
  134. History

    Is this better? If you do not know the impact of the Industrial revolution, you will not understand anything in this essay. By the end of the essay you will understand that life was different before the Revolution and after. You will know that not all the

    asked by Ruth
  135. math

    how would you factor 5x^2+x-3x-3 because I got x(5x-1) -3(x-1) which doesn't work. Please help.

    asked by Dezy
  136. Maths

    When Professor Sum was asked by Mr. Little how many students in his classes, he answered. “All of them study either languages, or not at all. One-half of them study languages only. One-fourth of them study French, one-seventh study physics only, and 20

    asked by Amanda
  137. math- pre calculus

    you are depositing $1000 dollars in a savings account and are given the following options. 6.2% annual interest rate, compounded annually 6.1% annual interest rate, compounded quarterly 6.0% annual interest rate, compounded continuously for each option,

    asked by carly
  138. chemistry

    What information does this value of Kc indicate with regard to the amount of NO(g)in the equilibrium mixture at a 25 degrees celcuis?THe cointainer is heated and the system reacheas a new equilibruim at 2500 degrees celcuis at this temperature there 0,4

    asked by PAMELA
  139. math

    MTH 156

    asked by Traci
  140. ap world

    I need to write an essay on this....For the period 1500 to 1830, compare North American racial ideologies and their effects on society with Latin American/Caribbean racil ideologies and their effects on socitey

    asked by Lisette
  141. social studies

    indentify: green mountain boys

    asked by ray
  142. geometry

    When the number w is multiplied by 4, the result is the same as when 4 is added to w. What is the value of 3w

    asked by David
  143. Physics

    A hypothetical spherical planet consists entirely of iron (p=7860 kg/m^3). Calclate the period of a satellite that orbits just above its surface. I started out with the density formula P=M/V, but i kept subbing in other formulas, but i get stuck..can

    asked by ALan
  144. Statistics

    An experiment consists of rolling a die and selecting a marble from a bag. the bag has 7 orange, 3 pink, and 6 grey marbles. What is the probability of rolling a multiple of 3 and selecting a pink marble? Anwer: The two events are independent of each

    asked by Jason (check answer Please)
  145. Chemistry

    Balance the following equation: C6H5COOH + O2 ==> H2O + CO2

    asked by Joe
  146. chemistry

    if 23 g of Fe2O3 formed, how many grams of Fe must have reacted?

    asked by michelle
  147. government

    The opposition to school vouchers was a key part of which party's platform in 2000?

    asked by Levana
  148. Math

    In the United States, every 57 minutes an underage drinker is involved in a traffic fatality. A recent report urges a crackdown on teen-age drinking and driving. Estimate the number of underage drinkers involved in traffic fatalities each day.

    asked by Nina
  149. chemistry

    Is hydroxyl(-OH) is the functional group present in benzyl alcohol? And what classification tests would you run to verify your IR results?

    asked by Jenny
  150. trig

    Prove: sec*4x-tan*4x=1+2tan*2x

    asked by Sarah Fuller
  151. math

    to win 1 million dollars,you must draw two cards whose sum is 9 , from a stack of cards numbered 1 though 10 .After the first draw, you replace the card and shuffle the stack again for for the second draw. Wat is the chance your two cards will have a sum

    asked by holly
  152. math

    I was asked to deduce the values of a,b, and c for the parabola y= ax^2 + bx +c. There are 4 clues given: 1. the y-intercept is (0,6) 2. The curve goes through (4,5) 3. The curvev has a turning point at (2,3) 4. the line of symmetry is x=1 Questions: It is

    asked by Dyan
  153. English

    Does any one know what the poet means by these lines in this poem? "Storm clouds are gathering The wind is gonna blow The race of man is suffering And I can hear the moan," Thank you :) Alone Lying, thinking Last night How to find my soul a home Where

    asked by Gaveen
  154. Math

    Leonardo da Vinci drew a portrait of a young woman. The portrait is shaped like a rectangle. It is 13.5 inches long and 10 inches wide. What is the area of the portrait?

    asked by Jamescia
  155. Biology

    19. The secondary xylem and phloem form from a. cork cambium b. vascular cambium c. apical meristems d. bark B? 7. A difference between beans and corn during germination is a. the cotyledons are above ground in the bean plant b. the corn shoot is hooked to

    asked by mysterychicken
  156. math

    solve for w, P=2l+2w could you please show me how this is done and explain the rules. i'm hopelessly lost with this. thanks.

    asked by jaycey
  157. Chemistry

    The reaction: 2 HI==> H2 + I2, is second order and the rate constant at 800 K is 9.70 x 10-2 M-1 s-1. How long will it take for 8.00 x 10-2 mol/L of HI to decrease to one-fourth of its initial concentration? can someone please show me how to set this up?

    asked by Bababab
  158. math

    x+9y=18 find slope

    asked by josh
  159. math

    28 students collected 12,374 soda can tabs. If some of the students collected one more tab each than the rest of the students, how many collected 441 and how many collected 442 tabs?

    asked by ashley
  160. law

    what are laws

    asked by josie
  161. Gr. 12 English

    Before the end of Anton Checkhov's "The Lottery Ticket", he switches the perspective of Ivan to his wife. Next, I have to explain why this technique is or is not effective.

    asked by AL 87
  162. Maths

    Increase 472 by 25% but it has to be this way : for example increase 270 by 40% would be 270/10 and x by 4 but in this case the percentage ends with 5 so i need help

    asked by Nata
  163. English

    my teacher asked(only me)that how to put the heart on the line and it contains 5 marks. Can u please tell me i would be so much graceful. Thank you very much, Blish.

    asked by Blish Jackson
  164. 6th grade math

    Ok i need 59% of 100 25% of 30 and 75% of 88 PLEASE!

    asked by Avril
  165. 5th grade

    How do you figure out area of compound figure

    asked by Sydney
  166. General Question

    How did Mary Wollstonecraft affect first-wave feminism? How did Simone de Beauvoir's writing shape the second wave? How did the events of the first and second wave affect each other?

    asked by Devonette
  167. English

    Can you check the grammar in the following sentences, please? Thanks a lot for your last corrections! 1) It was fantastic to see how the sky changed from dark blue to violet and finally to yellow. 2) I drank an orange juice. 3)In the morning I put my

    asked by Franco
  168. 12th grade

    the constitution was written in order to establish a stronger central government that that provided by the articles of confederation, however the whole point of th american revolution was to renounce an oppressive central authority. explain this apparent

    asked by kristen
  169. 2nd grade

    Do people sink or float Why

    asked by Addi
  170. Speech Quick ?

    Would this be a good informative speech topic? Impact of media on society

    asked by Natalie
  171. Math

    Circle O is centered at the origin and has a radius of 5. Circle O' is the image of circle O after a translation of T1,2. What is the center of circle O'? What is the radius of circle O'?

    asked by Collin
  172. enviromental science

    How has the size and location of big cities changes since the year 1900?

    asked by rod
  173. algorithm&pseudocode

    write an algorithm for each of these two problems in pseudocode.(20 points each) Mrs. Smith is on a cruise to the Bahamas. On a rainy day, she decides to go to the casino bar and play blackjack. She pays a $5.00 cover charge to enter the casino bar. She

    asked by hahn
  174. chemistry

    Nitrogen and hydrogen react to form ammonia. Consider the mixture of N2 and H2 in a closed container as illustrated below. Assuming the reaction goes to completion, draw a representation of the product mixture. Explain how you arrived at this

    asked by Mary
  175. 7th grade

    describe three actions taken by the Second continental congress?

    asked by ray
  176. 7th grade

    describe three actions taken by the Second continental congress?

    asked by ray
  177. 4gr math

    on the morning of an important game,gail woke up at the time shown on the clock. she wanted to up 2 hours 35 minutes later. what time did gail want to wake up

    asked by jojo
  178. Critical Thinking

    What type of Facellies is this question and why: From a letter to the editor: “The counties of Michigan clearly need the ability to raise additional sources of revenue, not only to meet the demands of growth but also to maintain existing levels of

    asked by Tracie
  179. math

    what is 32% in a fraction and decimal?

    asked by Cookiie
  180. vocabulary

    What word has a French name, but this dance was started in Russia? Options: hula, polka, ballet, or waltz.

    asked by sierra (6th grade)
  181. math

    8 * 10 to the fourth power in standard form

    asked by gina
  182. Statistics

    I'm looking at my notes and I can't seem to figure how my teacher did this problem. She used her name which has 9 letters, 3 vowels, and 6 consonants. If we were to reach in the bag and grab 3 letters out. By using the probability distribution what's the

    asked by John
  183. calculus

    if F(x)=f(g(x)), where g(2)=4, g'(2)=3, and f'(4)=5, find F'(2)

    asked by Anonymous
  184. Chem

    Calculate the volume ( mL ) of the solute acetic acid and the volume ( L ) of the solvent H2O that should be added to generate 5.01 kg of a solution that is 0.694 m acetic acid. volume ( mL ) of the CH3CO2H volume ( L ) of the H2O i just want to check my

    asked by Mitch
  185. Science

    Do you know at what level PCE concentrations are of concern? Is 8,300 PPB a major problem?

    asked by Marissa
  186. geometry

    If p is an interger and 3 is the remainder when 2p+7 is divided by , then p could be what?

    asked by David
  187. physics

    need help combining these vectors 56m at 296 degrees, then 83m 152 degrees

    asked by jake
  188. Social Studies

    How can you remember that a democracy has people who rule themselves?

    asked by Anonymous
  189. statistics

    find the z-score corresponding to a score of X=60 for the each of the following distributions. u=50 and 0=10 u=50 and 0=5

    asked by Patricia
  190. Chemistry

    How do I solve this: If a chemical reaction occurs at a rate of 2.25 x 10^-2 moles per liter per second at 322K, what is the rate expressed on moles per liter per minute?

    asked by Saul
  191. Physics

    A melon of weight 12 N (near the surface of Earth) is moved through a displacement of magnitude 1.00 m. What happens to the gravitational potential energy (of the melon/Earth system) due to this displacement.

    asked by Anonymous
  192. math

    how to simplify 15/60 in a fraction

    asked by james
  193. chemistry

    what are the appropriate masses of the subatomic particles expressed in atomic mass unit

    asked by Anonymous
  194. social studies

    what do people speak in ukrain?

    asked by elena
  195. science

    identify a company that is currently employing sustainable development practices i have one company coco cola but i need three please help me

    asked by anu
  196. math

    find the area of the circle to the nearest tenth...3.7m is the radius.

    asked by may
  197. English

    Analogy for INFINITE: END, would be the same as: wealthy:money blithe:happines abysmal:bottom contrite:repentance delectable:delight

    asked by Karen
  198. History

    Problems the government faced in mobilizaing the public and the economy and the rising of an army for world war 1

    asked by Joy
  199. algebra

    A box contains two different types of candy, weighs 10 pounds, and costs $14.55. One type of candy costs $1.50 a pound. The other costs $1.35 a pound. How many pounds of each kind are there?

    asked by Aspen
  200. 9th grade

    science fair ideas

    asked by Anonymous
  201. world history

    Why did missionaries support european imperialism?

    asked by Anonymous
  202. physics

    need help combining these vectors (if you can please show me a step by step guide of combining these two. Thank you 56m at 296 degrees, then 83m 152 degrees

    asked by jake
  203. Data Management

    Two cards are drawn from a standard 52 card deck. a) what is the probability that both cards drawn are black? b) what is the probability that one card is red and the other is black? c) what is the probability that a two face cards are drawn? d)what is the

    asked by Jud
  204. L.A

    Since happy,sad,upset,etc. are part of feeling/emotions, what is hope, insight, optimism, courage under?

    asked by Shadow
  205. 4th grade

    Of the first graders who were asked,1/6 like math best,2/3 like reading best, and 12 like science best.How many first graders were asked their favorite subject?

    asked by Alyssa
  206. english

    please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and

    asked by sammi
  207. French

    I need help with grammar, can someone check it out for me? 1. Une valeur mobilière est un fongibles, un instrument négociable représentant une valeur financière. Les deux types de valeurs mobilières sont les actions et les obligations. 2. Une action

    asked by Jeff
  208. English

    Thank you for your last corrections. Can you check the grammar on the following sentences, please? 1) Can you say "mint pudding with fused dark chocolate"? 2) My aunt bought a perfume for me. (instead of the usual: she gave me a perfume for Christmas) 3)

    asked by Franco
  209. Human Resource

    I need help doing an outline on how to be a successful interviewer, how would I start it or what should I start with?

    asked by Denise
  210. accounting

    Can someone give me leads on the Sachiko case. It is a comparison of US vs. Japan financial statements.

    asked by Carol
  211. Human Resource

    How do regular consultations between manageres and their subordinates impact productivity and job satisfaction?

    asked by Shereka Sanders
  212. Finance

    If the Fed tighten the money supply to slow the rate of inflation how might such actions benefit people who want to save money

    asked by Mary
  213. Social Studies

    Was Brown vs. Board of Education the only events that have an effect on school segregation? Or was there other events that made school segregation unconstitutional?

    asked by Shadow
  214. Precalculus

    I REALLY NEED HELP WITH THIS QUESTION, PLEASE HELP!! Give an example of a logarithmic function g, which has a vertical asymptote x = –2, and passes through the origin.

    asked by jh
  215. Exploring Space

    this is one questio which I'm stumped on. = y must we be able to travel at the speed of light to explore space. I don't realy know how to explain myself clearly and put that into an answer. I don't get this

    asked by Sara
  216. Math

    Here is the question. I have it solved but I'm not sure that my answer is right. Could someone please help? A metal stays solid at Fahrenheit temperature below 1801.5 degrees. Determine ( in terms of an inequality) those Celsius temperatures for which the

    asked by B.B.
  217. psychology

    Neurons communicate with each other through: a) electrical language only b)electrical and hemical language c) the glial cells d)neurogenesis Is C correct answer?THANK YOU

    asked by vedrana
  218. physics help!!

    A hypothetical spherical planet consists entirely of iron (p=7860kg/m^3). Calculate the period of a satellite that orbits just above its surface. I really can't solve this! No other information was provided. Please and thank you

    asked by Anonymous
  219. Maths Methods

    Factorise 5x^2 + 8x + 3

    asked by Jenny
  220. earth

    if the illustration is the effect of freezing water on rock what term best decribe the process?

    asked by shaay
  221. macroeconomics

    help me graph this answer slope is rise over run. With each 100 increase in income (run), consumption goes up by 50 (rise). So, 50/100 = .5 = slope

    asked by mary
  222. Chem

    A .326L container holds 0.146g of Ne and an unknown amount of Ar at 30C and the total pressure is 627 mmHg. Calculate the moles of Ar present? (I have calculated temp 308K, pressure is 0.825 atm and moles of Ne are .007)

    asked by Staci
  223. math

    In each part, give a value that fits each description. a. 2 1/3 times as long as 24 cm b. 75% as long as 24cm

    asked by Anonymous
  224. english

    please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and

    asked by sammi
  225. Exploring Space

    if u could travel at the speed of ligt without fuel, where would the energy required for the engine come from? is this possible? it is impossible to travel anywhere without fuel. The only other option is to walk by foot. I don't know the answer to the

    asked by Sara
  226. calculus

    Let f(x)=x+4 and g(x)=(x-2)^2. Find u(x) so that f(g(u(x)))=4x^2 - 8x +8.

    asked by Anonymous
  227. Algebra

    3Sqrt-24x^10yY^8

    asked by Wanda
  228. math

    find the area of a square with a side of 3 ft.

    asked by kay
  229. math

    sam has an savings account that increased in value over a twelve month period from $8,765.00 to 9,006.04 . what percent interest did he receive for the 12 month period?

    asked by Anonymous
  230. math

    1/6 of 30

    asked by marina
  231. 4th grade

    what kind of triangle has all 3 angles that are all less than a right angle?

    asked by Jordan
  232. calculus

    Find f' for each of the following where g and k are differentiable functions: f=(g^3)(k^2)

    asked by Anonymous
  233. type of study design

    Rates of prostate cancer were compared to those exposed to caloric restriction and those that were not exposed to such deprivation. I have a list to select from: Cohort Cross sectional x Case series case control experimental x ecological x Im sure its not

    asked by Sara
  234. History

    Was not sure whether you got the last post. I am repeating it. Is this a thesis statement. Please comment and can you advise me whether the grammar,spelling etc. Is good? In this essay I am going to show you the impact of the Industrial revolution. By the

    asked by Ruth
  235. Exploring Space

    if u could travel at the speed of ligt without fuel, where would the energy required for the engine come from? is this possible? Would gravity control be helpful? Antimatter? Warp-Drive? I need help answering this question:-(

    asked by Sara
  236. law

    what are laws

    asked by josie
  237. math

    26 minutes change in to seconds

    asked by esha
  238. computers

    what is the purpose of separating Windows XP Central processes from user mode applications that run with fewer privileges?

    asked by Anonymous
  239. History

    Well can i include that i think this is an interesting topic to study because you know about the different views. Can i add that to the statement?

    asked by Ruth
  240. trig

    How do you find the exact values of sin(u/2), cos(u/2), and tan(u/2) of tan(u)=-5/8

    asked by Kyler
  241. English

    Before I start posting my questions, I want to ask has anyone read "The Lightning Thief"?

    asked by Sara
  242. History

    Is the outline the whole statement. If not tell me. If you do not know the impact of the Industrial revolution, you will not understand anything in this essay. This topic is very interesting to study because you know about the different views. By the end

    asked by Ruth
  243. Computer

    Computers are classified into Four areas, please explain how they are classified?

    asked by Waalyn Waal
  244. Math

    How would I write this out? The high temp for a day is 6 degrees C. The mean temp for the day, which is the mean of the high and low temps, is -4 degrees C. What is the low temp for the day? Thank you.

    asked by Erin
  245. Maths

    What roots can I use to sketch this graph of: y = x^4 - x^2

    asked by Remy
  246. English - 2nd last question

    I have to answer this. "What effect does this tone have on the reader's response to the story. Support your answer."

    asked by AL 87
  247. History

    Ok. I understand what an outline statement is. I am now going to write it. Please give me about 10-15mins. Thanks

    asked by Ruth
  248. Biology

    How does the heart pump blood?

    asked by Devaughn
  249. writting

    paregraph about organization plzzzzzzzzzzz help me

    asked by rima
  250. calculus

    Given f(x) = 2(x^(5/3)) - 5(x^(2/3)) Find the slope of the tangent at each x-intercept

    asked by Anonymous
  251. calculus

    Describe all of the different ways a function may not be differentiable at the point P (a,f(a)).

    asked by Anonymous
  252. english

    how would i restate this thesis: we live in a world where the enviornment around us impactour lives

    asked by sara
  253. math

    how do you solve? 1/4 x + y = -2

    asked by Lindsay
  254. English

    I NEED HELP PLEASE!!! I need a 5 paragrph mini theme on " Pizza Is The Perfect Meal". For each paragrphs I need 2 references. PLEASE, PLEASE, HELP SOON.

    asked by Lori
  255. algebra

    how would i solve for C in this equation (a/(b+c))-d = e/f

    asked by Anonymous
  256. 3rd grade

    The cost of some software is between $60 and $70. The sum of the digits is 18. Which of these amounts could be the price of the software? And why? $57.80, $60.78, $66.60, $76.50

    asked by mikel
  257. history

    why did the framers of the constitution revrse their thinking?

    asked by kristen
  258. Finance

    An investment of $7,800 made March 31, 2001 pays $700 at the end of every six months for five years and pays $10,000 on March 31, 2006. What rate of interest was being earned every six months?

    asked by J
  259. ENGLISH

    What do you think of when you hear the term academic honesty? How does knowing the difference among original ideas, common knowledge, and plagiarism help you stay honest when you write an academic paper? What are some of the consequences of not being

    asked by ELIZABETH
  260. JORDAN

    Complete the following sentence in a way that makes it balanced. Politics make strange bedfellows, and...

    asked by Jordan Smith
  261. economics

    I need help with part D below, i thought the function would be y=x/3 + y/2. 1. You produce sandwiches for the Perk cof ee stand. Sandwiches require 3 tablespoons of mayonnaise (x) and 2 tablespoons of mustard (y) (a) Write the production function for

    asked by Anonymous
  262. geometry 10

    Type a counter-example that would have to exist in order for the conclusion to be false. The first thirty-nine presidents of the United States were men. Conclusion: A woman cannot be president of the United States. counter-example:

    asked by amy s
  263. arithmetic

    what is 11/4,4/7 and 10/21 in the simplest form i tried adding divide not coming with the right answer

    asked by james
  264. math

    factor 3m^2n + 2m

    asked by belinda
  265. language arts

    in a riddle, a girl stands on one end of a newspaper spread flat on the floor. her brother stands on the other end. neither can touch the other person. how come? please help me!

    asked by alyssa
  266. physics

    in physics, is it easier to pull a cart at a 45 degree angle or put an 8 ft board underneath, and pull it at a 20 degree angle?

    asked by Anonymous
  267. History

    I have to write a five paragraph essay on the benefits of US expansion and the positive effects that it had on the philippines, cubans, china, and native americans. I can't figure out how to start it.

    asked by Stacey
  268. amin

    10 sentence about perfect organisation

    asked by ram
  269. critical thinking

    SUV's are apartments on wheels

    asked by Anonymous
  270. math

    how do you simplify a problem like x=-30x/2x^2?

    asked by Dezy
  271. 7th grade

    what ideas can i get to persuade my class about why we should have longer days and time in school.

    asked by angel flores
  272. math

    I have a question about sets. If you have uppercase letters and lower case letters and they question is asking are these equal or equivalent or neither. I believe it would be equivalent because they are the same but different. Please help thanks

    asked by Angie