# Questions Asked onApril 12, 2014

1. ## CALCULUS

Sketch the region enclosed by the given curves. y = 4/X y = 16x, y = 1X/16 x > 0 and the area between the curves

2. ## MATH_URGENT

Let M be the midpoint of side \overline{AB} of \triangle ABC. Angle bisector \overline{AD} of \angle CAB and the perpendicular bisector of side \overline{AB} meet at X. If AB = 40 and MX = 9, then how far is X from line {AC}?

3. ## CALCULUS

Sketch the region enclosed by the given curves. y = tan 3x, y = 2 sin 3x, −π/9 ≤ x ≤ π/9 then then find the area. i can sketch but cant find correct area

4. ## Ed tech- Plz, plz help

The Second Industrial Revolution was not just marked by new inventions. New business practices were invented that transformed America’s economy. Between 1869–1910, the value of American manufacturing rose from $3 billion to$13 billion. The steel

5. ## 3 questions~~~

1. What does the term "fair-use exception" mean? (1 point) to use only material that has never been published the ability to use material made by others for educational purposes an exception to copyright restrictions for images only Educational material is

6. ## Health

What type of health hazard could occur by wearing jewelry while preping food?

14. ## math

what are the mean,median,mode, and range of the data set given the altitude of lakes in feet:-11,-28,-17,-25,-28,-39,-6,and -46? A. mean= -25; median= -26.5; mode= -28; range=40 B. mean= -25; median=-40; mode=-26.5; range=28 C. mean= -26.5; median= -25;

15. ## Energy multiple choice question

Which of the following samples has the highest specific heat capacity? a) A 100 kg sample of lead requires 13 000 J to increase its temperature by 1 K b) A 50 g sample of water releases 1050 J as it cools by 5 degree Celsius c) A 2 kg sample of copper

16. ## Energy question

How would a $10.00 compact fluorescent light bulb (15 W) be an overall money saver compared to an incandescent light bulb (60 W) that costs$0.50?

17. ## Math

The regular pentagon have a perimeter of 18.8 units. What is the value of X?

18. ## birzit

boy on the edge of a vertical cliff 20 m high throws a stone horizontally upwards with a speed of 25 m\s it strikes the ground at what horizontal distance from the foot of the cliff use g=10m\s^2

19. ## Chemistry

Calculate the standard cell potential for each of the electrochemical cells? What would the answers be to something like this? If someone could work out the answer I would really appreciate it. My online hw keeps telling me its wrong.

20. ## Physics

5.00 kg of some liquid at 10.0 oC is mixed with 1.00 kg of the same liquid at 40.0 oC. what is the final equilibrium temperature? ignore any heat flow with the containers and/or surroundings

21. ## math

consider the sets. A= {distinct letters in work Keep} B= {13} C= {k,e,p} D= 1 in red + 1 in black} E= {two} F= {2} What is the cardinality of each set? A= I can not figure that one out B= 1 C= 3 D= 0 E= t,w,o F not sure Can you give me some ideas Thank you

The birth rate of a population is b(t) = 2300e0.024t people per year and the death rate is d(t)= 1450e0.018t people per year, find the area between these curves for 0 ≤ t ≤ 10

57. ## Chemistry

To treat a burn on your hand, you decide to place an ice cube on the burned skin. The mass of the ice cube is 10.9 g, and its initial temperature is -12.0 °C. The water resulting from the melted ice reaches the temperature of your skin, 29.6 °C. How much

58. ## Physics

Which of the following is the equation of the circle with centre (-1.5, 0.5) and radius 3? A. 2x^2 + 6x + 2y^2 - 2y - 13 = 0 B. 2x^2 - 6x + 2y^2 + 2y - 13 = 0 C. 2x^2 - 6x + 2y^2 - 2y - 13 = 0 D. 2x^2 + 6x + 2y^2 - 2y - 23 = 0 E. @x^2 + 6x + 2y^2 - 2y -14

59. ## microeconomics

if nancy pelosi declared that clay firepits are causing global warming, demand for firepits shrink substantially in the U.S, especially in California. Firepits prices fall worldwide to 65 dollars. Now the manager of redstone should produce how many units?

60. ## Physics 141

A 71-kg skier is going down a slope oriented 37° above the horizontal. The area of each ski in contact with the snow is 0.13 m2. Determine the pressure that each ski exerts on the snow.

61. ## Life science, tourism, geography, and maths litera

what careers can i do with this subject

62. ## science

Amount of force =52pascal,pressure =13newton,find the area.

63. ## Physics (Rotation)

In the figure, wheel A of radius rA is coupled by belt B to wheel C of radius rC. The angular speed of wheel A is increased from rest at a constant rate α. Find the time needed for wheel C to reach angular speed ω assuming the belt does not slip. (Hint:

64. ## Astrophysics

The Earth formed at a redshift of z∼0.53. That means that when our world was young, the universe was quite a bit smaller than it is today. The nearest galaxies to our own are around 10 kpc (kilo-parsecs) in size, lie at a distance of around 1 Mpc from us

65. ## Physics

An object of mass 50 g floats in a liquid of density 2.5 g/ml. When the object is placed in a liquid of density 2.0 g/ml, it sinks to the bottom of the container. What is the force that the object exerts on the bottom of the container? [g = 10m/s^2 =

68. ## maths

the rate of the fall of an object can be determined by the formula h=1/2gt^2 where h is the height, g is the acceleration due to gravity and t is time in seconds. If a gun is fired 5 feet above the ground and level to the ground, how far would the bullet

69. ## maths

a bullet weighing 8.1g is found to have a kinetic energy of 1 kJ, find its velocity

70. ## maths

the blood alcohol concentration(BAC)in the uk is 0.08%. A well known formula for calculating BAC percentage is widmarks formula BAC%=5.14A/rW -0.015H Where A is the total alcohol consumed in ounces, W is the body weight in pounds, r isthe alcohol

71. ## maths

assuming the brain is shaped as a hemispere, find the circumference of the brain if the colume is 1.3KG

72. ## Maths

Solve equation in elimination method (3a=5-1 and 3a=5a+3

73. ## maths

pls help me to do this sum.... THE DISTANCE BETWEEN THE SCHOOL AND THE HOUSE OF A STUDENT'S HOUSE IS 1 KM 875M.EVERYDAY SHE WALKS BOTH WAYS.FIND THE TOTAL DISTANCE COVERED BY HER IN 6 DAYS?

74. ## water chemistry

35.0 mL sample of 0.150 M acetic acid (HC2H3O2) (Ka = 1.8 x 10-5) is titrated with 0.150 M NaOH solution. Calculate the pH after 17.5 mL volumes of base have been added

75. ## science

Identify and discuss the main safety legislation applicable to the installation, commissioning operating and maintaining the tube swaging machine.

108. ## Math

Ruth Anne used 0.8 meters of cord to trim a picture frame. How many more frames of this size can she trim with 13.5 meters of additional cord.