Questions Asked on
October 28, 2014

  1. Physics

    A 3.0 kg brick rests on a perfectly smooth ramp inclined at 34 above the horizontal. The brick is kept from sliding down the plane by an ideal spring that is aligned with the surface and attached to a wall above the brick. The spring has a spring constant

    asked by Anonymous
  2. physics

    Two people (from the 1950s!) sit on opposite sides of a uniform board of length L. One person, of mass m1 = 50.0 kg, sits at a point 1.90 m to the left of the fulcrum. The fulcrum is located at the center of the board. The other person, of mass 45.0 kg,

    asked by john
  3. English ... thinking question!!

    How does viewing human behavior as good or evil shape a(n) individual’s/ society’s view of the world? Can you give me some thoughts about this question ? I have no idea!!! please help! Thank you so much

    asked by maria
  4. english .... thinking question... please help!!

    How do values and belief shape who characters are as individuals and influence their behavior? Our values and belief are strongly related and influence our behavior. It can bring to mind by certain communications or experiences. Our values therefore not

    asked by maria
  5. physics

    A rocket blasts off from rest and attains a speed of 58.9 m/s in 14.4 s. An astronaut has a mass of 57.5 kg. What is the astronaut's apparent weight during takeoff?

    asked by Maddie
  6. Physics

    A 3.0 kg brick rests on a perfectly smooth ramp inclined at 34 above the horizontal. The brick is kept from sliding down the plane by an ideal spring that is aligned with the surface and attached to a wall above the brick. The spring has a spring constant

    asked by Anonymous
  7. algebra math

    Which one of the following is a geometric sequence? A. 2, –3, 9⁄2, −18⁄4 B. 0,1,2,3,... C. 8,4,2,1,1⁄2,1⁄4,... D. –7,10,23,36,.. i think the answer is D Can please check it ?

    asked by Jessica
  8. Physics

    There is a block resting on a table attached to a hanging mass around a pulley. Assume a value of g = 10 m/s2. If there is no friction, and the mass on the table has a value of 5.0 kg and the hanging mass has a value of 1.0 kg, what is the value of the

    asked by Emily
  9. AP Chemistry

    if the energy to break bonds is greater than the energy to form the bonds, is it exothermic?

    asked by Sara
  10. English

    Not many years ago, I worked outside of the UK. ---------------------- In this sentence, what other expressions can we use in place of 'not many years ago'? Is it 'a few days ago'?

    asked by rfvv
  11. English

    The hawks began to kill their chickens, so the farmers began to kill the hawks with the help of the officials. ------------------- In this sentence, what does 'chickens' mean, baby chickens or grown-up chickens?

    asked by rfvv
  12. Chemistry

    The reaction of iron and water vapor results in an equilibrium reaction, 3 Fe(s) + 4 H2O(g) ¡ê Fe3O4(s) + 4 H2(g) and an equilibrium constant of 4.6 at 850¡ÆC. What is the concentration of Hydrogen present at equilibrium if the reaction is initiated

    asked by David
  13. Physics

    You are driving down a highway at a speed of 20.0m/s when you spot a deer. You quickly slam on your brakes, trying to stop your car in front of the deer. Assume the braking force can be modeled as kinetic friction with a friction coefficient of 0.80. If

    asked by K
  14. English

    1. There is one more point that I want to talk about. 2. There is one more point we have to think of. ------------- Are the sentences grammatical? What is the meaning of 'point' here? 3. The farmere wanted to get rid of the hawks. So with the help of

    asked by rfvv
  15. physics

    A man holds a 185-N ball in his hand, with the forearm horizontal (see the figure). He can support the ball in this position because of the flexor muscle force , which is applied perpendicular to the forearm. The forearm weighs 24.3 N and has a center of

    asked by S
  16. Maths

    Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus.

    asked by Rahul
  17. xhosa,english,maths literacy,life orantation,tourism,business study,geography.

    i am doing does subject i want to know can i become a social worker?

    asked by yonwaba
  18. Physics

    Your electric drill rotates initially at 5.11 rad/s. You slide the speed control and cause the drill to undergo constant angular acceleration of 0.363 rad/s^2 for 4.13 s. What is the drill's angular displacement during that time interval? ______ rad

    asked by Kate
  19. physics

    A uniform rod is set up so that it can rotate about a perpendicular axis at one of its ends. The length and mass of the rod are 0.849 m and 1.17 kg. What constant-magnitude force acting at the other end of the rod perpendicularly both to the rod and to the

    asked by Jared
  20. math

    A sticker is 1.2 cm wide how many stickers will fit edge to edge on a strip of paper that is 108 Centimeters long

    asked by Jordan
  21. math

    what is mantisa?

    asked by zubair
  22. math

    the cost C varies directly as the number in of penals is written as?

    asked by rosemariel
  23. math

    to graph C(3,2) on a coordinate plane Translate the point left 3 units and down 1 unit.Graph the image point C. A. x,2,y3=x,1,y,1 B. x,2,y2=x,1,y,1 C. x,2,y3=x,1,y,1 D. x,3,y2=x,1,y,1 Is the answer D? Thank you

    asked by monday
  24. physics

    2. A spring of spring constant 220 N/m is sitting on a table. You pick it up and stretch it so that it is 8.0 cm longer than it was on the table top. How much work did it take you to stretch the spring? (Hint: This work is just negative the work done by

    asked by Anonymous
  25. trigonometry

    A motor boat moves in the direction N32degreeW for 3hrs. at 18miles per hour. How far north and how far west does it travel?

    asked by Aki
  26. English

    He left home for Italy to study music. ------------------- What does 'home' refer to here? His homeland, hometown, or house?

    asked by rfvv
  27. Java

    I would like to create a class for finding the voltages of 1, 2 or even 4 batteries. The Class can be called BatteryVoltage with a default voltage value of 1.5 (AA Battery) Must allow the user to find the total voltage of batteries when installed as a

    asked by JORDAN
  28. computer science

    I would like to create a class for finding the voltages of 1, 2 or even 4 batteries. The Class can be called BatteryVoltage with a default voltage value of 1.5 (AA Battery) Must allow the user to find the total voltage of batteries when installed as a

    asked by JORDAN
  29. statistics

    Two different samples drawn independently from the two district yielded the following results: District X: 1 x = 648, 2 1 s = 120, and 1 n = 100 District Y: 2 x = 495, 2 2 s = 140, and 2 n = 90 Verify at 0.05 level of significance whether the sample

    asked by Anonymous
  30. igliterature

    My dreams are of a field afar And blood and smoke and shot. There in their graves my comrades are, In my grave I am not. I too was taught the trade of man And spelt the lesson plain; But they, when I forgot and ran, Remembered and remain. what does it mean

    asked by choi
  31. math

    Identify the solution of the system of equations if any -2x-4y=1 , 12y=-6x-3 is this no solution or (o,-1) (-1,0) or infinitelt many solution

    asked by ann
  32. Physic

    6. A car is moving along a straight road at 60 mph [26.7 meter/sec ]. The driver makes slams on his breaks locking them so that the car skid s to a stop. Assume a constant braking force due to friction , and a kinetic friction coefficient of 0.70 between

    asked by Anonymous
  33. probability

    WaterPlant is 121 miles from the store. Assuming an average speed of 65 miles per hour, how many hours will it take the truck to drive from the bottling plant to the store? Round to one decimal place. How long is that in minutes? Show all your

    asked by Angie
  34. Algebra

    Temperature AF 40 1000 60 1840 70 2260 85 2890 Find a linear model for the number of acre-feet of water that evaporate as function of temperature. E(T)=

    asked by Patricia
  35. math

    the perimeter of a basketball court is 102 meters and the length is 6 meters longer than twice the width. What are the length and width?

    asked by tj
  36. literature

    what does My dreams are of a field afar what is the author trying to say?

    asked by choi
  37. sci

    atomic theory is. a. subject to change if new information is discovered. b.a solution the problem of differing isotopes. c. unchangeale.

    asked by somebody help i am new
  38. Physics

    Calculate the pressure on the top lid of a chest buried under 4.30 meters of mud with density 1.75 103 kg/m3 at the bottom of a 12.5-m-deep lake

    asked by Courtney
  39. sci

    Two nonmetals from Group 16 are likely to form a(n) • metallic bond. • double bond. • ionic bond. • covalent bond.

    asked by somebody help i am new
  40. Physics

    In a huge oil tanker, salt water has flooded an oil tank to a depth of h2 = 4.50 m. On top of the water is a layer of oil h1 = 7.55 m deep, as in the cross-sectional view of the tank as shown in the figure. The oil has a density of 0.700 g/cm3. Find the

    asked by Courtney
  41. Physics

    Why does air pressure decrease with increasing altitude? a) The weight of the air above is smaller b) The weight of the air below is smaller c) Less air above pushes down d) There is more air below to push up more strongly e) Colder air is less dense f)Hot

    asked by Courtney
  42. physics help!

    Two springs P and Q both obey Hooke’s law. They have spring constants 2k and k respectively.The springs are stretched, separately, by a force that is gradually increased from zero up to a certain maximum value, the same for each spring. The work done in

    asked by Taylor
  43. Physics Help

    A circular pond of radius 12 m has a layer of ice 0.25 m thick. On a spring day, the temperature of the water below the ice is 4.0°C and the temperature of the air above is 11°C. What is the rate of heat transfer through the ice, in kW?

    asked by Alexandra
  44. Modern law

    how is modern law and government have been influenced by classical Greece and Rome

    asked by sara
  45. physics

    Consider two masses m1 and m2, connected by a spring of spring constant k and an uncompressed length L. The masses are on a frictionless surface. Initially, m2 compresses the spring to L/2 length. At t=0 the system is released. Find the position of the

    asked by Andres
  46. Chemistry

    Q1. A 0.5 g mixture of Cu2O and CuO contain 0.425 g Cu. What is the mass of CuO in the mixture? Q2. A chemist wants to prepare 0.5 M HCl. The label of a commercial hydrochloric acid shows that S.G. =1.18 and concentration of HCl was 37%. Calculate the

    asked by Adem Rutger
  47. Physics

    A railroad car with a mass of 1.93 ✕ 104 kg moving at 3.12 m/s joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in the same direction at 1.04 m/s. What is the decrease in kinetic energy

    asked by Karrie
  48. algebra 2

    Show by counterexample that (x+y)^-2 and x^-2+y^-2 are not equivalent??

    asked by Janet
  49. research methods

    Let's suppose that you are the chief researcher for this research project. You got the result just like Table 1 in the below. You want to put your finding in a report. Write a report with a minimum length of 250 words which is based on the Table 1. You

    asked by chell
  50. research methods

    The table labeled “Brooklyn Precinct Activity Measures” shows counts of different indicators from the June 1999 Compstat report. All data are totals for the period January 1, 1999, through June 20, 1999. Notice, in the key to this table, that some

    asked by chell
  51. research methods grant writing

    The table labeled “Brooklyn Precinct Activity Measures” shows counts of different indicators from the June 1999 Compstat report. All data are totals for the period January 1, 1999, through June 20, 1999. Notice, in the key to this table, that some

    asked by james
  52. Math

    344 miles in 11 hours 1. 344 miles/hours 2. 3784 miles/hours 3. 0.03miles/hours 4. 31.27 miles/hours** My answer is 4 can is that right?

    asked by Monkey55
  53. science

    how did the discovery of the electron change the atomic model? A.it disproved the earlier idea of an indivisible atom. B. it confirmed that atoms are very tiny. C.it exposed fradulent experiments conducted by unqualified scientists. D. it proved that atoms

    asked by guhklg
  54. chemistry

    A ballon is filled with 54.8 g of CO2. The gas is at STP. Calculate the volume of the CO2 gas in liters?

    asked by Widener
  55. Statistics

    A simple random sample of 60 items resulted in a sample mean of 64. The population standard deviation is 16. a. Compute the 95% confidence interval for the population mean (to 1 decimal).

    asked by Anonymous
  56. math

    A rectangle has one side on the x-axis and two vertices on the curve y=6/{1+x^2}. Find the vertices of the rectangle with maximum area. Vertices =

    asked by Anonymous
  57. Physics

    A hiker hikes in a straight line and maintains a constant velocity of +0.5 m/s. At time t=0.0 s, the hiker is 30 m from point A. What is the displacement from point A at 120 s? a. 60 m c. 120 m b. 90 m d. 15 m

    asked by John
  58. math just practice

    Sr = SQUARE ROOT 1. What is the solution to -75 sr to the nearest integer? (1 point) 9 8 -8 -9 2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a

    asked by yea
  59. chemistry

    When a 3.10g sample of liquid octane (C8H18) is burned in a bomb calorimeter, the temperature of the calorimeter rises by 26.8∘C. The heat capacity of the calorimeter, measured in a separate experiment, is 6.30kJ/∘C . Determine ΔErxn for the

    asked by annoymous
  60. Math help

    Translate P(4,0) right 3 units and up 5 units. Give the coordinates of the image point. A. (-5,1) B. (1,-5) C. (5,7) D. (7,5) Is the answer D? Thank you

    asked by Anonymous
  61. Math

    The value of k that makes the expression x^2 + 72x +k a perfect square trinomial is ?

    asked by Alex
  62. Physics I

    Using 6400 km as the radius on Earth, calculate how high above Earth's surface you would have to be in order to weigh 1/16th of your current weight. Show all work leading to your answer OR describe your solution using 3-4 complete sentences.

    asked by Sarah
  63. Math HELP!

    Use arrow notation to write a rule that describes the translation of a point from (5,6) to (6,11). A. (x,y) ----> (x+1,y+5) B. (x,y) ----> (x-1,y-5) C. (x,y) ----> (x-1,y+5) D. (x,y) ----> (x+1,y-5) Is the answer A? Thank you

    asked by Anonymous
  64. Social Studies

    Explain your ideas about this topic and suggest ways that Cyprus could work to solve its challenges of diversity.

    asked by Anonymous
  65. Social Studies

    What challenges must Cyprus overcome to reunify? Explain your ideas about this topic and suggest ways that Cyprus could work to solve its challenges of diversity.

    asked by Anonymous
  66. Math HELP!

    Point A(6,-2) is reflected over the x axis. Write the coordinates of A' A. (6,2) B. (6,-2) C. (-6,2) D. (-6,-2) Is the answer A? Thank you

    asked by Anonymous
  67. Science

    According to the continental drift theory, which of the following land regions should show the greatest similarities in fossil types? (1 point) A) east coast of South America and west coast of Africa B) east coast of South and west coast of South America

    asked by Monkey55
  68. Math: Statistics

    1. A regression analysis includes the effect of Age, which is categorised into five levels. How many dummy variables should be defined for including it in the analysis? 2. A regression analysis includes Sex as an explanatory variable. How many dummy

    asked by Penny
  69. Physics

    Find the jet fuel mileage (mpg) of a Boeing 787 Dreamliner if: C=0.024, v=900 km/h, 1 gallon=3.8 liters, 1 mile= 1.6 km, energy conversion efficiency=30%, A=2060 ft^2, 1 ft^2=0.093 m^2, drag force = 1/2(CApv^2), p=0.41 kg/m^3 at 10,000 m, jet fuel energy

    asked by Rosanne
  70. HELP! - Physics

    I need help with this. A frustrated farmer is trying to move a large rock from his land. The stone has a mass of 1275 kg. By using a piece of board as a lever and a fulcrum the farmer will have a better chance of moving the rock. The farmer places the

    asked by Johnny
  71. English 10

    Which type of faulty logic does this sentence contain? Although the cheeseburger is the most sought-after item on our menu, it is really difficult to manage the crowd in the drive-up lane because of the high demand; so, the cheeseburger should be taken off

    asked by Alissa
  72. Physics Light Diffraction

    A single monochromatic indigo light source is shined through an etched, flat prism with a slit separation of .0250mm. the resulting interference pattern is viewed on a screen 1.25 m away. the third Maximum is found to be 6.6 cm from the central maximum.

    asked by Ebari
  73. Algebra

    (x^2 - 8x + 6)/(x + 2) = x - 10 + ((26)/(x + 2))

    asked by Anonymous
  74. Social Studies 6 Canada

    has anyone in 6th grade done the canada unit test yet

    asked by Branden
  75. Chemistry

    The density of ethanol is 0.789g/cm3 at 20 degreesC. What volume of ethanol has a mass of 15.5 grams?

    asked by tmccloud
  76. Physics

    Two thin slits with separation of .0250mm are placed over monochromatic orange laser light at 610.nm. What is the small angle measurement from the central maximum (zero degrees, inline with the source) to the first maximum? I thought in order to solve this

    asked by Ebari
  77. Physics

    The 22 cm diameter disk in the figure below can rotate on an axle through its center. At the end of this problem, you will calculate the magnitude and direction of the net torque about the axle when F = 22 N. The net torque is just the sum of the

    asked by Jenny
  78. Chemistry

    What are the products for KMnO4 + FeSO4 + NaOH? What is the net ionic equation? I am pretty sure one of the products in MnO2, because I got a muddy brown parcipitate, but I've been getting a variety of answers.

    asked by Sarah
  79. Math

    Write a word phrase for this algebraic expression. 6.5-h

    asked by AJ
  80. Physics

    The four masses shown in the figure below are connected by massless, rigid rods. moi-cog-problem-fig (a) Find the coordinates of the center of gravity of this object if MA = 120 g and MB = MC = MD = 180 g x = ? m y = ? m (b) Find the moment of inertia

    asked by Brittany
  81. statistics

    Suppose that the amount of time it takes the IRS to refund to taxpayers is normally distributed with a mean of 12 weeks and a variance of 9. a. What percent of taxpayers should get a refund within 5 weeks? b. What percent of taxpayers will get their refund

    asked by James
  82. Physics

    A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 200 N applied to its edge causes the wheel to have an angular acceleration of 1.048 rad/s2. (a)

    asked by Brittany
  83. Physics

    Find the x- and y-coordinates of the center of gravity of a 4.00 ft by 8.00 ft uniform sheet of plywood with the upper right quadrant removed as shown in the figure below. The dimensions of the cutout are a = 4.50 ft and b = 1.70 ft. HINTS: Think of the

    asked by Stephanie
  84. Math

    Given the function q=D(x)=k/x^n where k is a positive constant and n is an integer greater than 0. (a) How would you find the elasticity of the demand function (b) Is the value of the elasticity dependent on the price per unit c.) Does the total revenue

    asked by Ebian
  85. calculus

    3) f(x)=x^(2)/6x^(2)+4. List the x values of the inflection points of f.

    asked by Hailey
  86. Math

    If an object is propelled upward from ground level with initial velocity of 55 feet per second, it's height h in feet t seconds later is given by the equation H=-16t^2+55t. after how many seconds does the object hit ground?

    asked by Liz
  87. Technology

    On the ipad we're is the control button?

    asked by Sarah
  88. Math

    Sarah is 3 years older than 1/3 Darcy's age. Translate this phase to an algebraic expression.

    asked by Zoe
  89. Chemistry

    Calculate the molarity of the HCl solution if 25.00ml of the acid are required to neutralize 1.00g of each of the following 1) KOH 2)Ca(OH)2 I calculated the molar mass of KOH which was 56.11 Then I took 1.00g/56.11 = 0.0178mol To find out the molarity I

    asked by Sarah
  90. History

    4. South Carolina responded to the Intolerable Acts by __________. (1 point) holding small “tea parties” in Charles Town and Georgetown sending representatives to the First Continental Congress drafting a state constitution and setting up a new

    asked by Anonymous
  91. physics

    a mass of 5 kg is whirled in a horizontal circle at one end of a string 50 cm long. the other end being fixed. if the string when hanging vertically will just support a load of 200 kg mass without breaking , find the maximum whirling speed in m/s

    asked by Nawras
  92. chemistry

    A student adds 25.00mL of distilled water to a 10.00mL sample of HCl of an unknown molarity and titrates this against a 0.085M NaOH solution. Will the addition of the water interfere with the determination of the molarity of the HCl sample? Why or why not?

    asked by xx
  93. chemistry

    A titration of 15.75mL HCL of an unknown molarity requires 20.35mL of 0.0903M NaOH solution. What is the molarity of the HCl solution?

    asked by xx
  94. Math 130

    Which has the greater effect on the surface area of a right circular cylinder - doubling the radius or doubling the height? How would I explain this

    asked by Dawn
  95. math

    the drama club held a car wash on saturday and sunday. they washed a totl of 60 cars if they waShed 40% of the cars on sunday how many cars did they wash on sunday? PLEASE HELP DON'T UNDERSTAND

    asked by haha
  96. Algebra 2 & trig

    joanna invested $7500, part at a 5.5% and the remainder at a 6% annual rate of interest. if she collected a total of 435 in interest at the end of one year, how much money was invested at each rate?

    asked by Emily
  97. physics

    How do i find the length of a projection of a vecor A=3x+y+2z on the xy plane? and how do i find the unit vecotr in the xy plane that is perpendiculer to vector A?

    asked by larry
  98. The practice of working with school age children

    What of these is most likely to foster a nurturing environment? A. Caregiver-responsive B. Child-responsive C. Adult-responsive D. Parent-responsive B.

    asked by Amanda
  99. Math

    How do I write 27% as a rate ratio?

    asked by Amy
  100. Chemistry

    the solubility of aluminum sulfate in water at 20 degrees celcius is 26.7 g/100mL Calculate the molarity?

    asked by Gina
  101. Math

    A banner is 15 square feet. How many square inches are equivalent to 15 square feet?

    asked by Amy
  102. Calculus 1

    The mass, M, of a child can be approximated based on the height, H, of the child. The height of the child can be projected based on the child's age, A. a) State the chain rule for the derivative of the mass with respect to age (ie. find dM/dA) b) Suppose

    asked by Anonymous
  103. Physics

    A 3.0 kg brick rests on a perfectly smooth ramp inclined at 34 above the horizontal. The brick is kept from sliding down the plane by an ideal spring that is aligned with the surface and attached to a wall above the brick. The spring has a spring constant

    asked by Anonymous
  104. Calculus 1

    The resistance of blood flow, R, in a blood vessel is dependent on the length of the blood vessel, the radius of the blood vessel, and the viscosity of the blood. This relationship is given by R = 8Lη/πr^4 where r is the radius, L is the length, and the

    asked by Anonymous
  105. English

    What do you have to do afer school? 1. I have to go to my academy and study hard until 11 p.m.. 2. I have to go to an academy to study math, English and science. 3. I have to go to the academy to study 5 subjects. 4. I have to wash clothes in the washing

    asked by rfvv
  106. S.S.

    1. Which of the following is true of the Hay-Bunau-Varilla Treaty? A. It granted the United States a canal zone in the Isthmus of Panama. B. It laid out the terms for the purchase of Panama from Colombia. C. It was intended to restore friendly relations

    asked by Sarah
  107. Calculus

    A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=4−x^2. What are the dimensions of such a rectangle with the greatest possible area? Width = Height =

    asked by Hailey
  108. Calculus

    A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle. What is the area of the largest possible Norman window with a perimeter of 49 feet?

    asked by Hailey
  109. English

    Write a paragraph in which you compare and contrast the motivations of Brutus and Cassius, and determine whether the ends justify the means. ("The ends justify the means" is simply saying that the good results, or "ends," make it acceptable, or

    asked by Jojo
  110. Calculus

    The top and bottom margins of a poster are 2 cm and the side margins are each 8 cm. If the area of printed material on the poster is fixed at 380 square centimeters, find the dimensions of the poster with the smallest area. Width = Height =

    asked by Hailey
  111. chemistry

    Calculate the volume of 0.102M NaOH necessary to react with 22.00mL of 0.10M HCl.

    asked by xx
  112. chemistry

    Calculate the mass of KHP which will result in an endpoint of 20.00mL when titrated against 0.097M NaOH

    asked by xx
  113. chemistry

    Calculate the volume of concentrated NaOH solution (which contains 500.00g of NaOH per liter of solution) that you will need to make 1.00L of a 0.100M NaOH solution

    asked by xx
  114. Calculus

    A ball is thrown up on the surface of a moon. Its height above the lunar surface (in feet) after t seconds is given by the formula h=308t−(14/6t^2) Find the time that the ball reaches its maximum height. Answer = Find the maximal height attained by the

    asked by Hailey
  115. The practice of working with school age children

    Which of the following are the major determinants of physical growth and development? A. Food, TV, and technology B. Heredity, parents, and school C. Intelligence, cleanliness, and aggression D. Nutrition, emotional well-being, and culture D.

    asked by Amanda
  116. Chemistry

    How many atoms of aluminum [Al] are present in a sample of aluminum carbonate [AlCar] weighing 3.45E6 amu?

    asked by Amanda
  117. Math

    Is the LCM of 6 and 8 =2

    asked by Amy
  118. math

    For every 5 highlighters that Agnes buys, she gets 1 free. if Agnes needs 80 highlighters, what is the least number of highlighters she has to buy?

    asked by deb
  119. English

    bold 1. being not afraid of taking risks and making difficult decisions 2. not being afraid of taking risks and making difficult decisions ----------------- What is the right definition of 'bold'? What is the right position of 'not'?

    asked by rfvv
  120. Physics

    When a moving coil galvanometer has a resistance of 20 ohms and gives full scale deflection of 1.5mA.calculate the potential difference across its terminals when the current is flowing

    asked by Oluwaseyi
  121. Cal.

    A bright light on the ground illuminates a wall 12 meters away. A man walks from the light straight toward the building at a speed of 2.2 m/s. The man is 2 meters tall. When the man is 4 meters from the building, how fast is the length of his shadow on the

    asked by Hep with this question
  122. Math

    Holly earned $800 more than she did last year. Write the integer that is represented in this situation. Then, interpret what the zero means in this situation.

    asked by Tarick
  123. The practice of working with school age children

    A common misperception among managers is that _______ play is more important, but it's actually more important for children to have _______ play. A. structured, unstructured B. limited, unlimited C. unstructured, structured D. unlimited, limited C.

    asked by Amanda
  124. math

    An ostrich farmer wants to enclose a rectangular area and then divide it into 4 pens with fencing parallel to one side of the rectangle. There are 720 feet of fencing available to complete the job. What is the largest possible total area of the 4 pens?

    asked by Leah
  125. Algebra

    Which 3 ratios are equivalent to the ratio of cups of water to cups of milk in a recipe 1 to 3? Also, the ratio of boys to girls on the bus is 20/15? What are 3 equivalent ratios of 20/15. Please help answer both ? Thx

    asked by Ms. Stephie
  126. Chemistry

    need the answers to the formulas for the Ionic Compound: DiAmmonium Chromate Also I need the name of the following formula Sr(MnO4)2

    asked by Theresa
  127. Algebra

    Ed is using the recipe shown to make fruit salad. He wants to use 30 diced strawberries in his fruit salad. How many bananas, apples, and pears should Ed use in his fruit salad? The chart lists 4 bananas diced, 3 apples diced, 6 pears diced, 10

    asked by Ms. Stephie
  128. Calculus 1

    The resistance of blood flow, R, in a blood vessel is dependent on the length of the blood vessel, the radius of the blood vessel, and the viscosity of the blood. This relationship is given by R = 8Lη/πr^4 where r is the radius, L is the length, and the

    asked by Anonymous
  129. Calculus

    The mass, M, of a child can be approximated based on the height, H, of the child. The height of the child can be projected based on the child's age, A. a) State the chain rule for the derivative of the mass with respect to age (ie. find dM/dA) b) Suppose

    asked by Anonymous
  130. Physics

    The Speed of train is reduced from 60km/h at the same time as it travels a distance of 450 m, If the retardation is uniform , find how much further it will travel (approx) before coming to rest? Answer is 30m but how? See my solution , i solved it in two

    asked by Shahab Mirza
  131. English

    How is the word brusque used in a complex sentence? please give examples.

    asked by William
  132. English

    1. As he didn't know what to say, he remained silent. 2. Not knowing what to say, he remained silent. (Are both the same?) 3. As he was not happy, he kept quiet. 4. Being not happy, he kept quiet. 5. Not being happy, he kept quiet. (What about these

    asked by rfvv
  133. chemistry

    Why is it important to make sure that the volume of water and the starting temperature are the same in each trial ?

    asked by danny
  134. chemistry

    1. A gas cylinder contains 0.722 mL of hydrogen gas at a pressure of 10.6 atm. If the gas is used to fill a balloon at a pressure of 0.960 atm, what is the volume of the filled balloon?

    asked by Megan
  135. juvenile

    •Explain how race, ethnicity, and community relate to juvenile delinquency.

    asked by Patiance
  136. Writing

    I need help with writing an essay about simple questions, complicated questions, and complex questions. I need to make a topic, write 3-5 paragraphs, describe and explain, write it as an expository essay, and write one paragraph about how it helps us in

    asked by Jessica
  137. physics

    A child pulls a wagon by the handle along a flat sidewalk. She exerts a force of 80.0 N at an angle of 30.0 above the horizontal while she moves the wagon 12 m forward. The force of friction on the wagon is 34 N. Calculate the mechanical work done by the

    asked by Rosie
  138. Gramma

    How can I use the word fallacious in a complex sentence?

    asked by William
  139. programming

    create the logic for a program that calculates and displays the amount of money you would have if you invested $5000 at 2 percent simple interest for one year. create a separate method to do the calculation and return the result to be displayed.

    asked by Brian
  140. Calculus

    Consider the function f(x)=(x^2)e^(14x) f(x) has two inflection values at x = C and x = D with C≤D where C is and D is Finally for each of the following intervals, tell whether f(x) is concave up or concave down. (−∞,C]: [C,D]: [D,∞)

    asked by Hailey
  141. math

    Jenny is remodeling her bathroom floor. She is going to use tile that is 3/4 foot long. If her bathroom is 7 1/3 feet long, how many tiles will she need to first cover the length of the bathroom?

    asked by Kia
  142. Math

    When a satellite is h kilometres above Earth,the time,t,in minutes,to complete one orbit is given by the formula t=Root of (6370+h)^3/6024 a) A telecommunications satellite is placed 30 km above Earth. How long does it take the satellite to make one orbit?

    asked by Cherie
  143. Pre - Algebra

    The houses on your street are numbered with odd numbers starting with 1 and ending with 201. How many house numbers contain at least one 7? a.)30 numbers b.)28 numbers c.)24 numbers d.)20 numbers 2.)A school band has a brass section of trumpet, trombone,

    asked by Samia
  144. physics

    What is the velocity of a baseball thrown 40m from third base to first base in 1.9s? Show your work, and simplify please.

    asked by Sabrina
  145. Physics

    spiderman is racing from the rooftop to catch the green goblin. he runs 125 m off a building 125 m tall to catch a robber coming out of the bank across thenstreet (30.0m away) if he is running at 10.0m/s will he hit the building, land the robber, or hit

    asked by rina
  146. Physics

    A billiard ball of mass m = 0.250 kg hits the cushion of a billiard table at an angle of θ1 = 56.2° and a speed of v1 = 24.8 m/s. It bounces off at an angle of θ2 = 71.0° and a speed of v2 = 10.0 m/s. (a) What is the magnitude of the change in momentum

    asked by Anonymous
  147. Algebra

    (x^2 - 8x + 6)/(x + 2) = x - 10 + ((26)/(x + 2))

    asked by Anonymous
  148. Algebra

    Would x + 3 be a factor of 3x^3+ 5x^2 2x - 12? Ans: No, because there is a remainder of -54.

    asked by Anonymous
  149. math

    A teacher is making multiple copies of a 1-page homework assignment. The time it takes her in seconds is 2 times the number of copies she makes plus 3

    asked by Anonymous
  150. algebra

    a stick 36 cm long is cut into two pieces in the ratio 1:2 how is each piece show the answer

    asked by Anonymous
  151. physics

    What is the angular momentum of a 2.43 kg uniform cylindrical grinding wheel of radius 12.5 cm when rotating at 1600 rpm? (b) How much torque is required to stop it in 8.00 s?

    asked by Anonymous
  152. Math

    How did the Proclamation of 1763 attempt to protect the Native American rights and land?

    asked by Anon
  153. Proportionlites

    To determine proportionality between two ratios or rates how do you do this Conclusion

    asked by Carmena
  154. Math

    What is the quotien of 148 ➗32 ? Help I need it now

    asked by Jessica
  155. Chemistry

    The combustion of octane produces carbon dioxide and water. If you start with 10.0 mol of octane, what mass of water (in grams) would you expect to produce?

    asked by Hazel
  156. Algebra

    K(x) = -3x^4 + 5x^3 - x + 7 for x = -2. K(-2) = -79

    asked by Anonymous
  157. Calculus

    A human cannonball is shot from a cannon at a speed of 21 meters per second at an angle of 20 degrees; how long before his height is 0? How far did he travel in that time?

    asked by Anonymous
  158. Chemistry

    Hello. On the homework for my middle school chemistry class, one of the questions asks me to identify "the four classifications of substances". I am having difficulties with this problem.

    asked by Max
  159. Calculus

    Find the work done by F(x,y,z)=(x^2y)i=(x-z)j+(xyz)k where c=(t)i+(t^2)j+(2)k, 0

    asked by Ashley
  160. Science please help!!

    To determine the atomic mass of an element, you would take a _________ average of the isotopes that make up that element

    asked by Abby
  161. math

    Can you write3+5+6=14 as a multiplicacion sentence? Explain.

    asked by Pedro
  162. Biology

    What is the advantage of highly folded membranes in a cell? Name an organelle that uses this strategy.

    asked by Tevon Pitts
  163. Writing- grade 4

    Write a personal narrative about something happened to you when you were young. I when I was young and didn't walk on my feet. I was in my bed , I stood up and I put my hand on the edge of the bed so that it doesn't fall,but dropped it,and my dad took me

    asked by Noo
  164. Chemistry

    When you have 50ml of a 0.25M solution of KI in water. What should the final volume be is you want to reduce the concentration to .10M

    asked by EFonts
  165. Chemistry

    If you used 2.0mL of 1.0M H2SO4 and 3.0g of NaHCO3 how many moles of CO2 would be produced?

    asked by EFonts
  166. Grammar

    Which sentence is correct? "However, Gene lies greatly, and often to himself." or... "However, Gene lies greatly and often to himself."

    asked by Victoria
  167. math

    If two triangles are similar one is 16 by 6 the other 5 by?

    asked by kiley
  168. language arts

    What does the phrase as friendly as a nest of yellow jackets mean in paragraph 2?

    asked by brenda
  169. Chemistry

    If a sample of ammonium sulfate contains 1.75 grams of nitrogen [N] atoms, calculate the mass (in grams) it contains of sulfur atoms [S].

    asked by Amanda
  170. Science

    How might genetically engineered crops help people in hash climates?

    asked by JJ
  171. Vocabulary.

    The (luster, loom) of her reputation as a friend of humanity has grown brighter with the years. Luster, Loom? Luster?

    asked by katelynn
  172. Biology

    What is the advantage of highly folded membranes in a cell? Name an organelle that uses this strategy?

    asked by Tevon Pitts
  173. Writing

    Please, look at Noo

    asked by Noo
  174. Math

    A cylinder has a radius of 5 centimeters and a height of 12 centimeters. What would the height of a cone need to be if it is the same volume and radius?

    asked by Christine
  175. math

    Jill's fish weighs 8 times as much as her parakeet. Together, the pets weigh 63. How much does the fish weigh? This is 4th grade .

    asked by taleyah
  176. Please help

    can you please look at Tevon Pitts's Biology Question please

    asked by Tevon Pitts
  177. Science

    Where does a clone receive is DNA from? My guess is two parents

    asked by Lucy
  178. Physics

    A 3.0-kg brick rests on a perfectly smooth ramp inclined at 34° above the horizontal. The brick is kept from sliding down the plane by an ideal spring that is aligned with the surface and attached to a wall above the brick. The spring has a spring

    asked by Anonymous
  179. Writing

    Ms.sue look at Noo ( writing grade 4)

    asked by Noo
  180. AP Physics C

    A 4.10 kg block is pushed along a floor by a constant applied force that is horizontal and has a magnitude of 39.0 N. Figure 6-26 gives the block's speed v versus time t as the block moves along an x axis on the floor. What is the coefficient of kinetic

    asked by John
  181. physics

    Find the x- and y-coordinates of the center of gravity of a 4.00 ft by 8.00 ft uniform sheet of plywood with the upper right quadrant removed as shown in the figure below. The dimensions of the cutout are a = 4.50 ft and b = 1.70 ft. HINTS: Think of the

    asked by john
  182. BIology

    please answer mine ms sue if you can. if not, can you please say you cant

    asked by Tevon Pitts
  183. Algebra

    Bob needs to mix 2 cups of orange juice concentrate with 3.5 cups of water to make orange juice. Bob has 6 cups of concentrate. How much orange juice can he make? Please help answer thx

    asked by Ali
  184. Math

    If you had 4 cakes each cut in tents by noon 4\5 We're sold how many pieces were sold by noon

    asked by Omi
  185. Algebra

    The ratio of North American butterflies to South American butterflies is 5:3. The ratio to South American butterflies to European butterflies is 3:2. There are 30 North American butterflies at the butterfly park. Question A. How many South American

    asked by Ali
  186. Algebra

    A collector has 120 movie posters and 100 band posters. She wants to sell 24 movie posters but still have her poster collection maintain the same ratio of 120:100. If she sells 24 movie posters, how many band posters should she sell? Explain thx

    asked by Ali
  187. Math

    javia ran 8 laps around a track to run a total of 1 mile on monday. How many laps will she need to run on tuesday to run 3/8 of a mike?

    asked by Loa
  188. English

    1. Annie is a popular female hocky player. 2. Annie is a popular woman hocky player. ------------- Are both OK? Which one is commonly used? ========================= 3. Sam is a popular male hocky player. 4. Sam is a popular man hocky player.

    asked by rfvv
  189. Algebra

    In each bouquet of flowers, there are 4 roses and 6 white carnations. Complete the table to find how many roses and carnations there are in 4 bouquets of flowers? Please help answer thx

    asked by Ali
  190. physics

    Find the x- and y-coordinates of the center of gravity of a 4.00 ft by 8.00 ft uniform sheet of plywood with the upper right quadrant removed as shown in the figure below. The dimensions of the cutout are a = 4.50 ft and b = 1.70 ft. HINTS: Think of the

    asked by frank
  191. English

    Would Della from Gift of the Magi be a round and static character?

    asked by Anonymous
  192. Math

    14 boys play basketball, 12 boys play soccer, 16 boys play baseball. How many boys play basketball, soccer, or baseball?

    asked by Heather
  193. 8th grade English/Language Arts

    1.)Why does the author of “Always to Remember” discuss Maya Ying Lin’s background? a.)to show that she experienced hardships b.)to appeal to Chinese-American readers c.)to show its influence on her design d.)to show her disinterest in architecture

    asked by Veronica
  194. physics please help

    Two carts with masses of 4.20 kg and 2.44 kg move toward each other on a frictionless track with speeds of 4.92 m/s and 3.87 m/s respectively. The carts stick together after colliding head-on. Find the final speed.

    asked by Noah
  195. algebra

    Ms. Baldwin likes to eat cookies. She eats 3 cookies per day. After 5 days, there are 24 cookies left in the box. Write an equation represents the story.

    asked by Aaron
  196. physics

    Find the x- and y-coordinates of the center of gravity of a 4.00 ft by 8.00 ft uniform sheet of plywood with the upper right quadrant removed as shown in the figure below. The dimensions of the cutout are a = 4.50 ft and b = 1.70 ft. HINTS: Think of the

    asked by beggginggg for help please !!!!!!!!!!
  197. Math

    Please help..not wanting answer just where to start... A cylinder has a radius of 5 centimeters and a height of 12 centimeters. What would the height of a cone need to be if it is the same volume and radius?

    asked by Christine
  198. Colle physics

    For an object in uniform circular motion, on what parameters does the experimental determination of the centripetal force depend when using F = ma

    asked by Tessa
  199. algebra

    Ms. Baldwin likes to eat cookies. She eats 3 cookies per day. After 5 days, there are 24 cookies left in the box. Write an equation represents the story in y=mx+b form

    asked by Aaron
  200. social studies

    identify 3 kinds of artifacts and explain what they tell us about ancient people.

    asked by paul
  201. social studies

    why did a land bridge emerge between asia and north america

    asked by lee
  202. Trig

    I need to the steps to get (1-sinx)(1+sinx)=cos^2 x

    asked by Jaime
  203. social studies

    what challenges face people who live as nomads. tell about 2 challenges.

    asked by tina
  204. Hon. Chemestry

    The rock in a lead ore deposit contains 84% PbS by mass. How many kilograms of the rock must be processed to obtain 1.0 kg of Pb? I have no idea how to start or how I'm converting. Please help...

    asked by Sarahi
  205. AP Chem

    solid (NH4)2CO3 is placed in an evacuated container at 115C. When equilibrium is reached the total pressure inside the vessel is 0.473 atm. Some solid remain in the vessel at equilibrium. Calculate Kp.

    asked by Megan
  206. math

    0.205 or 0.21

    asked by adamaris
  207. Health

    The number of calories consumed must equal the number of calories________. a.)needed b.)burned c.)absorbed d.)wanted 2.)It is important to recognize which of the following when watching your weight so that you know what triggers your eating habits. a.)

    asked by Nia
  208. Math

    Is the following statement always, sometimes, or never true for numbers greater than zero: "In equivalent ratios, if the numerator of the first ratio is greater than the denominator of the first ratio, then the numerator of the second ratio is greater than

    asked by Willie
  209. Managerial Accounting

    The overhead rate for materials handling is $10 per part based on an estimated total cost of $900. Products X & Y have 320 and 280 parts respectively. What is the overhead allocated to X & Y? A. Product X $3,200, Product Y $4,400 B. Product X $4,800,

    asked by sabrina
  210. Math

    Find x-value of all points where function has relative extrema and find the Values of these extrema. f(x)= (x^2)/(ln(x))

    asked by audrey
  211. physica

    Consider the rods plus disc system shown in the Figure. The rods are identical. They have a length L =0.50 m, and mass M = 0.250kg. The disc has a radius of R = 0.130m and mass m=0.750kg. Both rods are glued to the disk as shown with X = 0.25m. The system

    asked by Serena
  212. AP Chem

    (NH4)2CO3 2NH3 + CO2 + H2O solid (NH4)2CO3 is placed in an evacuated container at 115C. When equilibrium is reached Kp = 1.93x10^-3. Extra NH3 gas is added, when equilibrium is reestablished, the partial pressure of NH3 is four times the partial pressure

    asked by Megan
  213. Calculus HELP PLEASE!

    Need help on this problem please! Been stuck for half hour trying to figure it out but I can't get through a. A and B look to be similar but I don't know how to do them! Please help! ----------------------------------- The resistance of blood flow, R, in a

    asked by Anonymous
  214. AP Chem

    NH3 + CO2 + H2O are introduced into an empty 1.00L vessel at 115 degrees. The initial partial pressure of at .500 atm. Calculate the number of moles of of solid (NH4)2CO3 that is present when equilibrium is established?

    asked by Megan
  215. Teacher Aide

    If you're preparing a bulletin board,how many ideas should you try to get across at one time?

    asked by Elaine
  216. AP Chem

    NO2 + H2 NO + H2O [H2] = .30 mol/L [NO2] = .20 mol/L [NO] = [H20] = .70 mol/L @ 1000K A. What is the mole fraction of NO in the equilibrium mixture? B. Calculate Kc C. Determine Kp in terms of Kc D. If system is cooled to a lower temperature, 35% of NO is

    asked by Dylan
  217. Math Demand Functions

    Given the function q=D(x)=k/x^n where k is a positive constant and n is an integer greater than 0. How would you find the elasticity of the demand function After you find the der. what do you do?

    asked by Ebian
  218. The practice of working with school age children

    According to the Harvard Research Project, the three primary and interrelated factors critical to achieving youth outcomes are A. beginning on time, daily interaction, and strict discipline. B. enjoyable transitions, friendly parent-teacher relations, and

    asked by Amanda
  219. The practice of working with school age children

    A good alternative to introducing hammers, crosscut saws, and nails when introducing young children to woodworking is to use A. staples. B. glue. C. screws. D. water. B.

    asked by Amanda
  220. Geometry/Algebra

    What is the slope-intercept form of the equation y – 7 = –5/2 (x + 4)? y – 2 = –5/2(x + 2) y + 7 = –x + 5/2 y = –4/7+ 2 y = –5/2x – 3 (I keep coming up with y=5/2(x+4)+7 2. Distribute 5/2 y=(5/2x) + 10 + 7 3. Simplify. y=(5/2)x + 17 and it

    asked by Anonymous
  221. Fluid Mechanics

    Find the water pressure at ground level to supply water to the third floor of a building 8.00 m high with a pressure of 325 kPa at the third level So the given is h=8.00 Ptop=325kPa Density water = 1000 Would I need to set it up like 325+1000*9.81*8.00

    asked by Ben
  222. Math Physics

    Find the water pressure at ground level to supply water to the third floor of a building 8.00 m high with a pressure of 325 kPa at the third level So the given is h=8.00 Ptop=325kPa Density water = 1000 Would I need to set it up like 325+1000*9.81*8.00

    asked by Ben
  223. The practice of working with school age children

    Which of these situations reinforces undesirable behavior? A. Promising a whining five-year-old a treat if he will stop whining and come alongb B. Holding a competition to see who has the most organized cubby C. Saving up stars to trade in for stuffed

    asked by Amanda
  224. The practice of working with school age children

    Traditionally, parent-teacher conferences took place between the teacher and the _______. However, this participation role is changing. A. employer B. father C. mother D. siblings A.

    asked by Amanda
  225. The practice of working with school age children

    According to the Harvard Research Project, the three primary and interrelated factors critical to achieving youth outcomes are  A. beginning on time, daily interaction, and strict discipline. B. enjoyable transitions, friendly parent-teacher relations,

    asked by Amanda
  226. Calculus

    Find the point(s) (if any) of horizontal tangent lines: x^2+xy+y^2=6

    asked by Anonymous
  227. Chemistry

    Silver carbonate [AgCar] has a density of 6.077 g/cm3. Calculate the mass (in fg) of carbon atoms [C] present in a AgCar crystal that has a volume of 457.6 Å3.

    asked by Sydney
  228. AP Calculus

    Are infinite discontinuities removable? Also, please help me with this question: f(x)=x^2+4x+3 / x^2-9 has one removable discontinuity and one vertical asymptote. Find and identify the x-value for each. I found the asymptote at x=3, but please help for the

    asked by Jerry
  229. Algebra

    A woman invests $15000 in 2 separate investment accounts. One account earns 5.1%, one earns 4.2% simple interest. If she earns $21 in interest total, how much did she earn from each account. I keep getting x to be 67,666.67 by getting to this equation:

    asked by Scott
  230. The practice of working with school age children

    A _______ partnership can grow from the contractual relationship between a family and an out-of-school program. A. public-private B. household revolution C. committed D. community C.

    asked by Amanda
  231. Algebra

    Write 3 ratios equivalent to the ratio of boys to girls on the bus is 20/15? Please help answer

    asked by Tracy